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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-02 11:48:48 -07:00
parent e9eab22e5c
commit 68269c43a6
250 changed files with 70871 additions and 0 deletions

466
Makefile.in Normal file
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SHELL=/bin/sh
SED=sed
AWK=awk
DOS2UNIX=@D2U@
@SET_MAKE@
##### Configuration #####
CPPFLAGS_CORE=@CPPFLAGS@ -I lib -fopenmp -msse -msse2 -mfpmath=sse
CXXFLAGS_CORE=@CXXFLAGS@
ifeq ($(MODE),)
Z3_BUILD_MODE=external
else
Z3_BUILD_MODE=$(MODE)
endif
LIBS=@LIBS@
## -lrt is for timer_create and timer_settime
LDFLAGS=@LDFLAGS@ -lpthread -fopenmp
LDFLAGS_EXTRA=
#########################
Z3=z3
TEST_CAPI=test_capi
EPR=epr
GROBNER=grobner
TEST=test
BIN_DIR=bin/$(Z3_BUILD_MODE)
OBJ_DIR=obj/$(Z3_BUILD_MODE)
SED_OBJ_DIR=obj\/$(Z3_BUILD_MODE)
OBJ_TEST_DIR=obj-test/$(Z3_BUILD_MODE)
SED_OBJ_TEST_DIR=obj-test\/$(Z3_BUILD_MODE)
MAJ=$(shell grep 'Z3_MAJOR_VERSION' lib/version.h | cut -d ' ' -f 4)
MIN=$(shell grep 'Z3_MINOR_VERSION' lib/version.h | cut -d ' ' -f 4)
Z3_VERSION=$(MAJ).$(MIN)
PLATFORM=@PLATFORM@
ifeq ($(Z3_BUILD_MODE),release)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG
CXXFLAGS=-O3 -fomit-frame-pointer $(CXXFLAGS_CORE)
else
ifeq ($(Z3_BUILD_MODE),smtcomp07)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG -DSMTCOMP
CXXFLAGS=-O3 -fomit-frame-pointer $(CXXFLAGS_CORE)
# doesn't work on cygwin
LDFLAGS_EXTRA=@STATIC_FLAGS@
else
ifeq ($(Z3_BUILD_MODE),external)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG -D_EXTERNAL_RELEASE
CXXFLAGS=-O3 -fomit-frame-pointer $(CXXFLAGS_CORE)
# doesn't work on cygwin
LDFLAGS_EXTRA=@STATIC_FLAGS@
else
ifeq ($(Z3_BUILD_MODE),debug)
CPPFLAGS=$(CPPFLAGS_CORE) -DZ3DEBUG -D_TRACE
CXXFLAGS=-g -Wall $(CXXFLAGS_CORE)
else
ifeq ($(Z3_BUILD_MODE),debugopt)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG -DZ3DEBUG -D_TRACE
CXXFLAGS=-g -O1 $(CXXFLAGS_CORE)
else
ifeq ($(Z3_BUILD_MODE),trace)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG -D_TRACE
CXXFLAGS=-g -O1 $(CXXFLAGS_CORE)
else
ifeq ($(Z3_BUILD_MODE),profile)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG
CXXFLAGS=-g -pg -O2 $(CXXFLAGS_CORE)
LDFLAGS_EXTRA=-pg
else
ifeq ($(Z3_BUILD_MODE),gcov)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG
CXXFLAGS=-g -fprofile-arcs -ftest-coverage -O2 $(CXXFLAGS_CORE)
LDFLAGS_EXTRA=-fprofile-arcs -ftest-coverage
else
ifeq ($(Z3_BUILD_MODE),external_parallel)
CPPFLAGS=$(CPPFLAGS_CORE) -DNDEBUG -D_EXTERNAL_RELEASE -D_Z3_BUILD_PARALLEL_SMT
CXXFLAGS=-O3 -fomit-frame-pointer $(CXXFLAGS_CORE)
# doesn't work on cygwin
LDFLAGS_EXTRA=@STATIC_FLAGS@
else
ifeq ($(Z3_BUILD_MODE),debug_parallel)
CPPFLAGS=$(CPPFLAGS_CORE) -DZ3DEBUG -D_TRACE -D_Z3_BUILD_PARALLEL_SMT
CXXFLAGS=-g -Wall $(CXXFLAGS_CORE)
else
$(error INVALID BUILD MODE = $(Z3_BUILD_MODE))
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
LIBFLAGS=@SLIBFLAGS@
################################
#
# Extract the source files from
# the MSVC++ project files.
#
# lib.vcproj ===> lib.srcs
# shell.vcproj ===> shell.srcs
#
################################
main: $(BIN_DIR)/$(Z3)
lib.srcs: lib/lib.vcxproj
@echo Making 'lib.srcs'...
@cp $< lib0.srcs
@chmod +rw lib0.srcs
@$(DOS2UNIX) lib0.srcs
@$(AWK) '/cpp\"/{ print $$0 }' lib0.srcs > lib1.srcs
@$(SED) 's|\"||g;s|<ClCompile||g;s|/>||g;s|Include=|lib/|g' lib1.srcs > lib2.srcs
@$(AWK) 'BEGIN { printf ("LIB_SRCS= "); } { printf($$1 " ") } END { print ""; }' lib2.srcs > $@
@rm -f lib0.srcs
@rm -f lib1.srcs
@rm -f lib2.srcs
shell.srcs: shell/shell.vcxproj
@echo Making 'shell.srcs'...
@cp $< shell0.srcs
@chmod +rw shell0.srcs
@$(DOS2UNIX) shell0.srcs
@$(AWK) '/cpp\"/{ print $$0 }' shell0.srcs > shell1.srcs
@$(SED) 's|\"||g;s|<ClCompile||g;s|/>||g;s|Include=|shell/|g' shell1.srcs > shell2.srcs
@$(AWK) 'BEGIN { printf ("SHELL_SRCS= "); } { printf($$1 " ") } END { print ""; }' shell2.srcs > $@
@rm -f shell0.srcs
@rm -f shell1.srcs
@rm -f shell2.srcs
epr.srcs: epr/epr.vcxproj
@echo Making 'epr.srcs'...
@cp $< epr0.srcs
@chmod +rw epr0.srcs
@$(DOS2UNIX) epr0.srcs
@$(AWK) '/cpp\"/{ print $$0 }' epr0.srcs > epr1.srcs
@$(SED) 's|\"||g;s|<ClCompile||g;s|/>||g;s|Include=|epr/|g' epr1.srcs > epr2.srcs
@$(AWK) 'BEGIN { printf ("EPR_SRCS= "); } { printf($$1 " ") } END { print ""; }' epr2.srcs > $@
@rm -f epr0.srcs
@rm -f epr1.srcs
@rm -f epr2.srcs
test.srcs: test/test.vcxproj
@echo Making 'test.srcs'...
@cp $< test0.srcs
@chmod +rw test0.srcs
@$(DOS2UNIX) test0.srcs
@$(AWK) '/cpp\"/{ print $$0 }' test0.srcs > test1.srcs
@$(SED) 's|\"||g;s|<ClCompile||g;s|/>||g;s|Include=|test/|g' test1.srcs > test2.srcs
@$(AWK) 'BEGIN { printf ("TEST_SRCS= "); } { printf($$1 " ") } END { print ""; }' test2.srcs > $@
@rm -f test0.srcs
@rm -f test1.srcs
@rm -f test2.srcs
include lib.srcs
include shell.srcs
include epr.srcs
include test.srcs
LIB_SRCS+=@EXTRA_LIB_SRCS@
LIB_OBJS=$(LIB_SRCS:lib/%.cpp=$(OBJ_DIR)/%.o)
SHELL_OBJS=$(SHELL_SRCS:shell/%.cpp=$(OBJ_DIR)/%.o)
OBJS=$(LIB_OBJS) $(SHELL_OBJS)
TEST_CAPI_OBJS=$(OBJ_DIR)/test_capi.o $(LIB_OBJS)
EPR_OBJS=$(EPR_SRCS:epr/%.cpp=$(OBJ_DIR)/%.o) $(LIB_OBJS)
GROBNER_OBJS=$(OBJ_DIR)/grobner_main.o $(LIB_OBJS)
TEST_OBJS=$(TEST_SRCS:test/%.cpp=$(OBJ_TEST_DIR)/%.o)
$(BIN_DIR)/$(Z3): $(OBJ_DIR) $(BIN_DIR) $(OBJS)
@mkdir -p $(BIN_DIR)
$(CXX) -o $(BIN_DIR)/$(Z3) $(OBJS) $(LDFLAGS) $(LDFLAGS_EXTRA) $(LIBS)
$(BIN_DIR)/$(TEST): $(OBJ_DIR) $(BIN_DIR) $(LIB_OBJS) $(TEST_OBJS)
@mkdir -p $(BIN_DIR)
$(CXX) -o $(BIN_DIR)/$(TEST) $(LIB_OBJS) $(TEST_OBJS) $(LDFLAGS) $(LDFLAGS_EXTRA) $(LIBS)
$(BIN_DIR)/$(TEST_CAPI): $(OBJ_DIR) $(BIN_DIR) $(TEST_CAPI_OBJS)
@mkdir -p $(BIN_DIR)
$(CXX) -o $(BIN_DIR)/$(TEST_CAPI) $(TEST_CAPI_OBJS) $(LDFLAGS) $(LDFLAGS_EXTRA) $(LIBS)
$(BIN_DIR)/$(EPR): $(OBJ_DIR) $(BIN_DIR) $(EPR_OBJS)
@mkdir -p $(BIN_DIR)
$(CXX) -o $(BIN_DIR)/$(EPR) $(EPR_OBJS) $(LDFLAGS) $(LDFLAGS_EXTRA) $(LIBS)
$(BIN_DIR)/lib$(Z3).@SO_EXT@: $(OBJ_DIR) $(BIN_DIR) $(LIB_OBJS)
@mkdir -p $(BIN_DIR)
$(CXX) -o $(BIN_DIR)/lib$(Z3).@SO_EXT@ $(LIB_OBJS) $(LIBFLAGS) $(LIBS) @COMP_VERSIONS@
$(BIN_DIR)/lib$(Z3).a: $(OBJ_DIR) $(BIN_DIR) $(LIB_OBJS)
@mkdir -p $(BIN_DIR)
ar -cvr $(BIN_DIR)/lib$(Z3).a $(LIB_OBJS)
$(BIN_DIR)/$(GROBNER): $(OBJ_DIR) $(BIN_DIR) $(GROBNER_OBJS)
@mkdir -p $(BIN_DIR)
$(CXX) -o $(BIN_DIR)/$(GROBNER) $(GROBNER_OBJS) $(LDFLAGS) $(LDFLAGS_EXTRA) $(LIBS)
$(BIN_DIR):
mkdir -p $(BIN_DIR)
$(OBJ_DIR):
mkdir -p $(OBJ_DIR)
$(OBJ_TEST_DIR):
mkdir -p $(OBJ_TEST_DIR)
smtcomp07: $(BIN_DIR)/$(Z3)
rm -r -f z3
mkdir z3
cp $(BIN_DIR)/$(Z3) z3/run
strip z3/run
cp doc/MAGIC_NUMBER z3/
cp doc/README-SMTCOMP07 z3/README
cp doc/NOTICES-SMTCOMP07 z3/NOTICES
cp doc/z3.pdf z3/
tar -czf z3.tar.gz z3
test_capi: $(BIN_DIR)/$(TEST_CAPI)
epr: $(BIN_DIR)/$(EPR)
@SO_EXT@: $(BIN_DIR)/lib$(Z3).@SO_EXT@
a: $(BIN_DIR)/lib$(Z3).a
grobner: $(BIN_DIR)/$(GROBNER)
test: $(BIN_DIR)/$(TEST)
################################
#
# Grobner
#
################################
lib/grobner_main.cpp: test/igrobner.cpp
cp test/igrobner.cpp lib/grobner_main.cpp
chmod +rw lib/grobner_main.cpp
$(OBJ_DIR)/grobner_main.o: lib/grobner_main.cpp
@mkdir -p $(OBJ_DIR)
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DGB_APP -c -o $@ $<
################################
#
# .cpp ===> .o
#
################################
$(OBJ_DIR)/%.o : lib/%.cpp
@mkdir -p $(OBJ_DIR)
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
$(OBJ_TEST_DIR)/%.o : test/%.cpp
@mkdir -p $(OBJ_TEST_DIR)
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
$(OBJ_DIR)/%.o : shell/%.cpp
@mkdir -p $(OBJ_DIR)
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
$(OBJ_DIR)/%.o : test_capi/%.c
@mkdir -p $(OBJ_DIR)
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -I ../lib -c -o $@ $<
$(OBJ_DIR)/%.o : epr/%.cpp
@mkdir -p $(OBJ_DIR)
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
################################
#
# Dependency files
#
# .cpp ===> .d
#
################################
$(OBJ_DIR)/%.d: lib/%.cpp
@echo Making dependency file \'$@\' ...
@mkdir -p $(OBJ_DIR)
@$(SHELL) -ec '$(CXX) -MM $(CPPFLAGS) $< | $(SED) '\''s/\($*\)\.o[ :]*/$(SED_OBJ_DIR)\/\1.o $(SED_OBJ_DIR)\/\1.d : /g'\'' > $@; [ -s $@ ] || rm -f $@'
$(OBJ_DIR)/%.d: shell/%.cpp
@echo Making dependency file \'$@\' ...
@mkdir -p $(OBJ_DIR)
@$(SHELL) -ec '$(CXX) -MM $(CPPFLAGS) $< | $(SED) '\''s/\($*\)\.o[ :]*/$(SED_OBJ_DIR)\/\1.o $(SED_OBJ_DIR)\/\1.d : /g'\'' > $@; [ -s $@ ] || rm -f $@'
$(OBJ_TEST_DIR)/%.d: test/%.cpp
@echo Making dependency file \'$@\' ...
@mkdir -p $(OBJ_TEST_DIR)
@$(SHELL) -ec '$(CXX) -MM $(CPPFLAGS) $< | $(SED) '\''s/\($*\)\.o[ :]*/$(SED_OBJ_TEST_DIR)\/\1.o $(SED_OBJ_TEST_DIR)\/\1.d : /g'\'' > $@; [ -s $@ ] || rm -f $@'
include $(LIB_SRCS:lib/%.cpp=$(OBJ_DIR)/%.d)
include $(SHELL_SRCS:shell/%.cpp=$(OBJ_DIR)/%.d)
include $(TEST_SRCS:test/%.cpp=$(OBJ_TEST_DIR)/%.d)
################################
#
# Cleanup
#
################################
.PHONY: clean
clean:
rm -f $(BIN_DIR)/$(Z3)
rm -f $(OBJ_DIR)/*
rm -f lib.srcs
rm -f shell.srcs
find . -name '*.bb' -exec rm -f '{}' ';'
find . -name '*.bbg' -exec rm -f '{}' ';'
find . -name '*.da' -exec rm -f '{}' ';'
find . -name '*.gcov' -exec rm -f '{}' ';'
find . -name 'cachegrind*' -exec rm -f '{}' ';'
find . -name 'a.out' -exec rm -f '{}' ';'
find . -name 'a.exe' -exec rm -f '{}' ';'
find . -name 'core' -exec rm -f '{}' ';'
################################
#
# Release
#
# NOTE: In 64-bit systems it is not possible to build a dynamic library using static gmp.
# So, EXTRA_LIBS="" in 64-bit systems.
# EXTRA_LIBS="$(BIN_DIR)/lib$(Z3)-gmp.so" in 32-bit systems.
################################
release: $(BIN_DIR)/$(Z3) $(BIN_DIR)/lib$(Z3).@SO_EXT@ @EXTRA_LIBS@ $(BIN_DIR)/lib$(Z3).a
@rm -f -r z3
@mkdir -p z3
@mkdir -p z3/bin
@mkdir -p z3/lib
@mkdir -p z3/include
@mkdir -p z3/examples
@mkdir -p z3/ocaml
@mkdir -p z3/python
@mkdir -p z3/examples/c
@mkdir -p z3/examples/c++
@mkdir -p z3/examples/python
@mkdir -p z3/examples/maxsat
@mkdir -p z3/examples/theory
@mkdir -p z3/examples/ocaml
@cp lib/z3.h z3/include
@cp lib/z3_v1.h z3/include
@cp lib/z3_api.h z3/include
@cp lib/z3_macros.h z3/include
@cp ml/z3_stubs.c z3/ocaml
@cp ml/z3_theory_stubs.c z3/ocaml
@cp ml/z3.mli z3/ocaml
@cp ml/z3.ml z3/ocaml
@cp ml_release/build-lib.sh z3/ocaml
@$(DOS2UNIX) z3/ocaml/build-lib.sh
@chmod +rwx z3/ocaml/build-lib.sh
@cp ml_release/README_$(PLATFORM) z3/ocaml/README
@$(DOS2UNIX) z3/ocaml/README
@cp ml_release/build-test.sh z3/examples/ocaml
@$(DOS2UNIX) z3/examples/ocaml/build-test.sh
@chmod +rwx z3/examples/ocaml/build-test.sh
@cp ml_release/README_test_$(PLATFORM) z3/examples/ocaml/README
@$(DOS2UNIX) z3/examples/ocaml/README
@$(DOS2UNIX) z3/include/*
@cp $(BIN_DIR)/$(Z3) z3/bin
@cp $(BIN_DIR)/lib$(Z3).@SO_EXT@ z3/lib
@cp $(BIN_DIR)/lib$(Z3).a z3/lib
@cp test_capi/test_capi.c z3/examples/c
@$(DOS2UNIX) z3/examples/c/test_capi.c
@cp test_capi/README-$(PLATFORM).txt z3/examples/c/README
@$(DOS2UNIX) z3/examples/c/README
@cp test_capi/build-external-$(PLATFORM).sh z3/examples/c/build.sh
@cp test_capi/build-static-$(PLATFORM).sh z3/examples/c/build-static.sh
@$(DOS2UNIX) z3/examples/c/build.sh
@chmod +rwx z3/examples/c/build.sh
@$(DOS2UNIX) z3/examples/c/build-static.sh
@chmod +rwx z3/examples/c/build-static.sh
@cp test_capi/exec-external-$(PLATFORM).sh z3/examples/c/exec.sh
@$(DOS2UNIX) z3/examples/c/exec.sh
@chmod +rwx z3/examples/c/exec.sh
@cp maxsat/maxsat.c z3/examples/maxsat
@$(DOS2UNIX) z3/examples/maxsat/maxsat.c
@cp maxsat/README-$(PLATFORM).txt z3/examples/maxsat/README
@$(DOS2UNIX) z3/examples/maxsat/README
@cp maxsat/build-external-$(PLATFORM).sh z3/examples/maxsat/build.sh
@cp maxsat/build-static-$(PLATFORM).sh z3/examples/maxsat/build-static.sh
@$(DOS2UNIX) z3/examples/maxsat/build.sh
@chmod +rwx z3/examples/maxsat/build.sh
@$(DOS2UNIX) z3/examples/maxsat/build-static.sh
@chmod +rwx z3/examples/maxsat/build-static.sh
@cp maxsat/exec-external-$(PLATFORM).sh z3/examples/maxsat/exec.sh
@$(DOS2UNIX) z3/examples/maxsat/exec.sh
@chmod +rwx z3/examples/maxsat/exec.sh
@cp test_user_theory/test_user_theory.c z3/examples/theory
@$(DOS2UNIX) z3/examples/theory/test_user_theory.c
@cp test_user_theory/README-$(PLATFORM).txt z3/examples/theory/README
@$(DOS2UNIX) z3/examples/theory/README
@cp test_user_theory/build-external-$(PLATFORM).sh z3/examples/theory/build.sh
@cp test_user_theory/build-static-$(PLATFORM).sh z3/examples/theory/build-static.sh
@$(DOS2UNIX) z3/examples/theory/build.sh
@chmod +rwx z3/examples/theory/build.sh
@$(DOS2UNIX) z3/examples/theory/build-static.sh
@chmod +rwx z3/examples/theory/build-static.sh
@cp test_user_theory/exec-external-$(PLATFORM).sh z3/examples/theory/exec.sh
@$(DOS2UNIX) z3/examples/theory/exec.sh
@chmod +rwx z3/examples/theory/exec.sh
@cp ml_release/exec-$(PLATFORM).sh z3/examples/ocaml/exec.sh
@$(DOS2UNIX) z3/examples/ocaml/exec.sh
@chmod +rwx z3/examples/ocaml/exec.sh
@cp ml/test_mlapi.ml z3/examples/ocaml
@$(DOS2UNIX) z3/examples/ocaml/test_mlapi.ml
@cp c++/z3++.h z3/include
@cp c++/example.cpp z3/examples/c++
@cp c++/build-external-$(PLATFORM).sh z3/examples/c++/build.sh
@$(DOS2UNIX) z3/examples/c++/build.sh
@chmod +rwx z3/examples/c++/build.sh
@cp c++/exec-external-$(PLATFORM).sh z3/examples/c++/exec.sh
@$(DOS2UNIX) z3/examples/c++/exec.sh
@chmod +rwx z3/examples/c++/exec.sh
@cp python/z3.py z3/python
@cp python/z3core.py z3/python
@cp python/z3types.py z3/python
@cp python/z3consts.py z3/python
@cp python/z3tactics.py z3/python
@cp python/z3printer.py z3/python
@cp python/README-$(PLATFORM).txt z3/examples/python/README
@cp python/exec-$(PLATFORM).sh z3/examples/python/exec.sh
@cp python/example.py z3/examples/python
@$(DOS2UNIX) z3/python/*.py
@$(DOS2UNIX) z3/examples/python/*.py
@$(DOS2UNIX) z3/examples/python/*.sh
@chmod +rwx z3/examples/python/*.sh
@$(DOS2UNIX) iZ3/pack-iz3-$(PLATFORM).sh
@chmod +rwx iZ3/pack-iz3-$(PLATFORM).sh
@iZ3/pack-iz3-$(PLATFORM).sh
@tar -cvzf z3.tar.gz z3
################################
#
# Support
#
################################
Makefile: Makefile.in config.status
./config.status
make
config.status: configure
./config.status --recheck
################################
#
# checkgmake
#
################################
.PHONY: checkgmake
checkgmake:
@ ./gmaketest --make=$(MAKE) || \
(echo "Z3 needs GNU-Make to be built"; exit 1)

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
AST.cs
Abstract:
Z3 Managed API: ASTs
Author:
Christoph Wintersteiger (cwinter) 2012-03-16
Notes:
--*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// The abstract syntax tree (AST) class.
/// </summary>
[ContractVerification(true)]
public class AST : Z3Object, IComparable
{
/// <summary>
/// Comparison operator.
/// </summary>
/// <param name="a">An AST</param>
/// <param name="b">An AST</param>
/// <returns>True if <paramref name="a"/> and <paramref name="b"/> are from the same context
/// and represent the same sort; false otherwise.</returns>
public static bool operator ==(AST a, AST b)
{
return Object.ReferenceEquals(a, b) ||
(!Object.ReferenceEquals(a, null) &&
!Object.ReferenceEquals(b, null) &&
a.Context.nCtx == b.Context.nCtx &&
Native.Z3_is_eq_ast(a.Context.nCtx, a.NativeObject, b.NativeObject) != 0);
}
/// <summary>
/// Comparison operator.
/// </summary>
/// <param name="a">An AST</param>
/// <param name="b">An AST</param>
/// <returns>True if <paramref name="a"/> and <paramref name="b"/> are not from the same context
/// or represent different sorts; false otherwise.</returns>
public static bool operator !=(AST a, AST b)
{
return !(a == b);
}
/// <summary>
/// Object comparison.
/// </summary>
public override bool Equals(object o)
{
AST casted = o as AST;
if (casted == null) return false;
return this == casted;
}
/// <summary>
/// Object Comparison.
/// </summary>
/// <param name="other">Another AST</param>
/// <returns>Negative if the object should be sorted before <paramref name="other"/>, positive if after else zero.</returns>
public virtual int CompareTo(object other)
{
if (other == null) return 1;
AST oAST = other as AST;
if (oAST == null)
return 1;
else
{
if (Id < oAST.Id)
return -1;
else if (Id > oAST.Id)
return +1;
else
return 0;
}
}
/// <summary>
/// The AST's hash code.
/// </summary>
/// <returns>A hash code</returns>
public override int GetHashCode()
{
return (int)Native.Z3_get_ast_hash(Context.nCtx, NativeObject);
}
/// <summary>
/// A unique identifier for the AST (unique among all ASTs).
/// </summary>
public uint Id
{
get { return Native.Z3_get_ast_id(Context.nCtx, NativeObject); }
}
/// <summary>
/// Translates (copies) the AST to the Context <paramref name="ctx"/>.
/// </summary>
/// <param name="ctx">A context</param>
/// <returns>A copy of the AST which is associated with <paramref name="ctx"/></returns>
public AST Translate(Context ctx)
{
Contract.Requires(ctx != null);
Contract.Ensures(Contract.Result<AST>() != null);
if (ReferenceEquals(Context, ctx))
return this;
else
return new AST(ctx, Native.Z3_translate(Context.nCtx, NativeObject, ctx.nCtx));
}
/// <summary>
/// The kind of the AST.
/// </summary>
public Z3_ast_kind ASTKind
{
get { return (Z3_ast_kind)Native.Z3_get_ast_kind(Context.nCtx, NativeObject); }
}
/// <summary>
/// Indicates whether the AST is an Expr
/// </summary>
public bool IsExpr
{
get
{
switch (ASTKind)
{
case Z3_ast_kind.Z3_APP_AST:
case Z3_ast_kind.Z3_NUMERAL_AST:
case Z3_ast_kind.Z3_QUANTIFIER_AST:
case Z3_ast_kind.Z3_VAR_AST: return true;
default: return false;
}
}
}
/// <summary>
/// Indicates whether the AST is a BoundVariable
/// </summary>
public bool IsVar
{
get { return this.ASTKind == Z3_ast_kind.Z3_VAR_AST; }
}
/// <summary>
/// Indicates whether the AST is a Quantifier
/// </summary>
public bool IsQuantifier
{
get { return this.ASTKind == Z3_ast_kind.Z3_QUANTIFIER_AST; }
}
/// <summary>
/// Indicates whether the AST is a Sort
/// </summary>
public bool IsSort
{
get { return this.ASTKind == Z3_ast_kind.Z3_SORT_AST; }
}
/// <summary>
/// Indicates whether the AST is a FunctionDeclaration
/// </summary>
public bool IsFuncDecl
{
get { return this.ASTKind == Z3_ast_kind.Z3_FUNC_DECL_AST; }
}
/// <summary>
/// A string representation of the AST.
/// </summary>
public override string ToString()
{
return Native.Z3_ast_to_string(Context.nCtx, NativeObject);
}
/// <summary>
/// A string representation of the AST in s-expression notation.
/// </summary>
public string SExpr()
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_ast_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal AST(Context ctx) : base(ctx) { Contract.Requires(ctx != null); }
internal AST(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
// Console.WriteLine("AST IncRef()");
if (Context == null)
throw new Z3Exception("inc() called on null context");
if (o == IntPtr.Zero)
throw new Z3Exception("inc() called on null AST");
Context.AST_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
// Console.WriteLine("AST DecRef()");
if (Context == null)
throw new Z3Exception("dec() called on null context");
if (o == IntPtr.Zero)
throw new Z3Exception("dec() called on null AST");
Context.AST_DRQ.Add(o);
base.DecRef(o);
}
internal static AST Create(Context ctx, IntPtr obj)
{
Contract.Requires(ctx != null);
Contract.Ensures(Contract.Result<AST>() != null);
switch ((Z3_ast_kind)Native.Z3_get_ast_kind(ctx.nCtx, obj))
{
case Z3_ast_kind.Z3_FUNC_DECL_AST: return new FuncDecl(ctx, obj);
case Z3_ast_kind.Z3_QUANTIFIER_AST: return new Quantifier(ctx, obj);
case Z3_ast_kind.Z3_SORT_AST: return Sort.Create(ctx, obj);
case Z3_ast_kind.Z3_APP_AST:
case Z3_ast_kind.Z3_NUMERAL_AST:
case Z3_ast_kind.Z3_VAR_AST: return Expr.Create(ctx, obj);
default:
throw new Z3Exception("Unknown AST kind");
}
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
ASTMap.cs
Abstract:
Z3 Managed API: AST Maps
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Map from AST to AST
/// </summary>
[ContractVerification(true)]
internal class ASTMap : Z3Object
{
/// <summary>
/// Checks whether the map contains the key <paramref name="k"/>.
/// </summary>
/// <param name="k">An AST</param>
/// <returns>True if <paramref name="k"/> is a key in the map, false otherwise.</returns>
public bool Contains(AST k)
{
Contract.Requires(k != null);
return Native.Z3_ast_map_contains(Context.nCtx, NativeObject, k.NativeObject) != 0;
}
/// <summary>
/// Finds the value associated with the key <paramref name="k"/>.
/// </summary>
/// <remarks>
/// This function signs an error when <paramref name="k"/> is not a key in the map.
/// </remarks>
/// <param name="k">An AST</param>
public AST Find(AST k)
{
Contract.Requires(k != null);
Contract.Ensures(Contract.Result<AST>() != null);
return new AST(Context, Native.Z3_ast_map_find(Context.nCtx, NativeObject, k.NativeObject));
}
/// <summary>
/// Stores or replaces a new key/value pair in the map.
/// </summary>
/// <param name="k">The key AST</param>
/// <param name="v">The value AST</param>
public void Insert(AST k, AST v)
{
Contract.Requires(k != null);
Contract.Requires(v != null);
Native.Z3_ast_map_insert(Context.nCtx, NativeObject, k.NativeObject, v.NativeObject);
}
/// <summary>
/// Erases the key <paramref name="k"/> from the map.
/// </summary>
/// <param name="k">An AST</param>
public void Erase(AST k)
{
Contract.Requires(k != null);
Native.Z3_ast_map_erase(Context.nCtx, NativeObject, k.NativeObject);
}
/// <summary>
/// Removes all keys from the map.
/// </summary>
public void Reset()
{
Native.Z3_ast_map_reset(Context.nCtx, NativeObject);
}
/// <summary>
/// The size of the map
/// </summary>
public uint Size
{
get { return Native.Z3_ast_map_size(Context.nCtx, NativeObject); }
}
/// <summary>
/// The keys stored in the map.
/// </summary>
public ASTVector Keys
{
get
{
return new ASTVector(Context, Native.Z3_ast_map_keys(Context.nCtx, NativeObject));
}
}
/// <summary>
/// Retrieves a string representation of the map.
/// </summary>
public override string ToString()
{
return Native.Z3_ast_map_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal ASTMap(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal ASTMap(Context ctx)
: base(ctx, Native.Z3_mk_ast_map(ctx.nCtx))
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_ast_map_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_ast_map_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.ASTMap_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.ASTMap_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
ASTVector.cs
Abstract:
Z3 Managed API: AST Vectors
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Vectors of ASTs.
/// </summary>
internal class ASTVector : Z3Object
{
/// <summary>
/// The size of the vector
/// </summary>
public uint Size
{
get { return Native.Z3_ast_vector_size(Context.nCtx, NativeObject); }
}
/// <summary>
/// Retrieves the i-th object in the vector.
/// </summary>
/// <remarks>May throw an IndexOutOfBoundsException when <paramref name="i"/> is out of range.</remarks>
/// <param name="i">Index</param>
/// <returns>An AST</returns>
public AST this[uint i]
{
get
{
Contract.Ensures(Contract.Result<AST>() != null);
return new AST(Context, Native.Z3_ast_vector_get(Context.nCtx, NativeObject, i));
}
set
{
Contract.Requires(value!= null);
Native.Z3_ast_vector_set(Context.nCtx, NativeObject, i, value.NativeObject);
}
}
/// <summary>
/// Resize the vector to <paramref name="newSize"/>.
/// </summary>
/// <param name="newSize">The new size of the vector.</param>
public void Resize(uint newSize)
{
Native.Z3_ast_vector_resize(Context.nCtx, NativeObject, newSize);
}
/// <summary>
/// Add the AST <paramref name="a"/> to the back of the vector. The size
/// is increased by 1.
/// </summary>
/// <param name="a">An AST</param>
public void Push(AST a)
{
Contract.Requires(a != null);
Native.Z3_ast_vector_push(Context.nCtx, NativeObject, a.NativeObject);
}
/// <summary>
/// Translates all ASTs in the vector to <paramref name="ctx"/>.
/// </summary>
/// <param name="ctx">A context</param>
/// <returns>A new ASTVector</returns>
public ASTVector Translate(Context ctx)
{
Contract.Requires(ctx != null);
Contract.Ensures(Contract.Result<ASTVector>() != null);
return new ASTVector(Context, Native.Z3_ast_vector_translate(Context.nCtx, NativeObject, ctx.nCtx));
}
/// <summary>
/// Retrieves a string representation of the vector.
/// </summary>
public override string ToString()
{
return Native.Z3_ast_vector_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal ASTVector(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal ASTVector(Context ctx) : base(ctx, Native.Z3_mk_ast_vector(ctx.nCtx)) { Contract.Requires(ctx != null); }
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_ast_vector_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_ast_vector_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.ASTVector_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.ASTVector_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
ApplyResult.cs
Abstract:
Z3 Managed API: Result object for tactic applications
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// ApplyResult objects represent the result of an application of a
/// tactic to a goal. It contains the subgoals that were produced.
/// </summary>
[ContractVerification(true)]
public class ApplyResult : Z3Object
{
/// <summary>
/// The number of Subgoals.
/// </summary>
public uint NumSubgoals
{
get { return Native.Z3_apply_result_get_num_subgoals(Context.nCtx, NativeObject); }
}
/// <summary>
/// Retrieves the subgoals from the ApplyResult.
/// </summary>
public Goal[] Subgoals
{
get
{
Contract.Ensures(Contract.Result<Goal[]>() != null);
Contract.Ensures(Contract.Result<Goal[]>().Length == this.NumSubgoals);
uint n = NumSubgoals;
Goal[] res = new Goal[n];
for (uint i = 0; i < n; i++)
res[i] = new Goal(Context, Native.Z3_apply_result_get_subgoal(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// Convert a model for the subgoal <paramref name="i"/> into a model for the original
/// goal <c>g</c>, that the ApplyResult was obtained from.
/// </summary>
/// <returns>A model for <c>g</c></returns>
public Model ConvertModel(uint i, Model m)
{
Contract.Requires(m != null);
Contract.Ensures(Contract.Result<Model>() != null);
return new Model(Context, Native.Z3_apply_result_convert_model(Context.nCtx, NativeObject, i, m.NativeObject));
}
/// <summary>
/// A string representation of the ApplyResult.
/// </summary>
public override string ToString()
{
return Native.Z3_apply_result_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal ApplyResult(Context ctx, IntPtr obj) : base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_apply_result_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_apply_result_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.ApplyResult_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.ApplyResult_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Constructor.cs
Abstract:
Z3 Managed API: Constructors
Author:
Christoph Wintersteiger (cwinter) 2012-03-22
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Constructors are used for datatype sorts.
/// </summary>
[ContractVerification(true)]
public class Constructor : Z3Object
{
/// <summary>
/// The number of fields of the constructor.
/// </summary>
public uint NumFields
{
get { init(); return n; }
}
/// <summary>
/// The function declaration of the constructor.
/// </summary>
public FuncDecl ConstructorDecl
{
get {
Contract.Ensures(Contract.Result<FuncDecl>() != null);
init(); return m_constructorDecl; }
}
/// <summary>
/// The function declaration of the tester.
/// </summary>
public FuncDecl TesterDecl
{
get {
Contract.Ensures(Contract.Result<FuncDecl>() != null);
init(); return m_testerDecl; }
}
/// <summary>
/// The function declarations of the accessors
/// </summary>
public FuncDecl[] AccessorDecls
{
get {
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
init(); return m_accessorDecls; }
}
/// <summary>
/// Destructor.
/// </summary>
~Constructor()
{
Native.Z3_del_constructor(Context.nCtx, NativeObject);
}
#region Object invariant
[ContractInvariantMethod]
private void ObjectInvariant()
{
Contract.Invariant(m_testerDecl == null || m_constructorDecl != null);
Contract.Invariant(m_testerDecl == null || m_accessorDecls != null);
}
#endregion
#region Internal
readonly private uint n = 0;
private FuncDecl m_testerDecl = null;
private FuncDecl m_constructorDecl = null;
private FuncDecl[] m_accessorDecls = null;
internal Constructor(Context ctx, Symbol name, Symbol recognizer, Symbol[] fieldNames,
Sort[] sorts, uint[] sortRefs)
: base(ctx)
{
Contract.Requires(ctx != null);
Contract.Requires(name != null);
Contract.Requires(recognizer != null);
n = AST.ArrayLength(fieldNames);
if (n != AST.ArrayLength(sorts))
throw new Z3Exception("Number of field names does not match number of sorts");
if (sortRefs != null && sortRefs.Length != n)
throw new Z3Exception("Number of field names does not match number of sort refs");
if (sortRefs == null) sortRefs = new uint[n];
NativeObject = Native.Z3_mk_constructor(ctx.nCtx, name.NativeObject, recognizer.NativeObject,
n,
Symbol.ArrayToNative(fieldNames),
Sort.ArrayToNative(sorts),
sortRefs);
}
private void init()
{
Contract.Ensures(m_constructorDecl != null);
Contract.Ensures(m_testerDecl != null);
Contract.Ensures(m_accessorDecls != null);
if (m_testerDecl != null) return;
IntPtr constructor = IntPtr.Zero;
IntPtr tester = IntPtr.Zero;
IntPtr[] accessors = new IntPtr[n];
Native.Z3_query_constructor(Context.nCtx, NativeObject, n, ref constructor, ref tester, accessors);
m_constructorDecl = new FuncDecl(Context, constructor);
m_testerDecl = new FuncDecl(Context, tester);
m_accessorDecls = new FuncDecl[n];
for (uint i = 0; i < n; i++)
m_accessorDecls[i] = new FuncDecl(Context, accessors[i]);
}
#endregion
}
/// <summary>
/// Lists of constructors
/// </summary>
public class ConstructorList : Z3Object
{
/// <summary>
/// Destructor.
/// </summary>
~ConstructorList()
{
Native.Z3_del_constructor_list(Context.nCtx, NativeObject);
}
#region Internal
internal ConstructorList(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal ConstructorList(Context ctx, Constructor[] constructors)
: base(ctx)
{
Contract.Requires(ctx != null);
Contract.Requires(constructors != null);
NativeObject = Native.Z3_mk_constructor_list(Context.nCtx, (uint)constructors.Length, Constructor.ArrayToNative(constructors));
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
DecRefQueue.cs
Abstract:
Z3 Managed API: DecRef Queues
Author:
Christoph Wintersteiger (cwinter) 2012-03-16
Notes:
--*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
[ContractClass(typeof(DecRefQueueContracts))]
internal abstract class DecRefQueue
{
#region Object invariant
[ContractInvariantMethod]
private void ObjectInvariant()
{
Contract.Invariant(this.m_queue != null);
}
#endregion
readonly internal protected Object m_lock = new Object();
readonly internal protected List<IntPtr> m_queue = new List<IntPtr>();
internal const uint m_move_limit = 1024;
public abstract void IncRef(Context ctx, IntPtr obj);
public abstract void DecRef(Context ctx, IntPtr obj);
public void IncAndClear(Context ctx, IntPtr o)
{
Contract.Requires(ctx != null);
IncRef(ctx, o);
if (m_queue.Count >= m_move_limit) Clear(ctx);
}
public void Add(IntPtr o)
{
if (o == IntPtr.Zero) return;
lock (m_lock)
{
m_queue.Add(o);
}
}
public void Clear(Context ctx)
{
Contract.Requires(ctx != null);
lock (m_lock)
{
foreach (IntPtr o in m_queue)
DecRef(ctx, o);
m_queue.Clear();
}
}
}
[ContractClassFor(typeof(DecRefQueue))]
abstract class DecRefQueueContracts : DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Contract.Requires(ctx != null);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Contract.Requires(ctx != null);
}
}
}

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// Automatically generated file, generator: mk_z3consts.py
using System;
#pragma warning disable 1591
namespace Microsoft.Z3
{
/// <summary>Z3_lbool</summary>
public enum Z3_lbool {
Z3_L_TRUE = 1,
Z3_L_UNDEF = 0,
Z3_L_FALSE = -1,
}
/// <summary>Z3_symbol_kind</summary>
public enum Z3_symbol_kind {
Z3_INT_SYMBOL = 0,
Z3_STRING_SYMBOL = 1,
}
/// <summary>Z3_parameter_kind</summary>
public enum Z3_parameter_kind {
Z3_PARAMETER_FUNC_DECL = 6,
Z3_PARAMETER_DOUBLE = 1,
Z3_PARAMETER_SYMBOL = 3,
Z3_PARAMETER_INT = 0,
Z3_PARAMETER_AST = 5,
Z3_PARAMETER_SORT = 4,
Z3_PARAMETER_RATIONAL = 2,
}
/// <summary>Z3_sort_kind</summary>
public enum Z3_sort_kind {
Z3_BV_SORT = 4,
Z3_FINITE_DOMAIN_SORT = 8,
Z3_ARRAY_SORT = 5,
Z3_UNKNOWN_SORT = 1000,
Z3_RELATION_SORT = 7,
Z3_REAL_SORT = 3,
Z3_INT_SORT = 2,
Z3_UNINTERPRETED_SORT = 0,
Z3_BOOL_SORT = 1,
Z3_DATATYPE_SORT = 6,
}
/// <summary>Z3_ast_kind</summary>
public enum Z3_ast_kind {
Z3_VAR_AST = 2,
Z3_SORT_AST = 4,
Z3_QUANTIFIER_AST = 3,
Z3_UNKNOWN_AST = 1000,
Z3_FUNC_DECL_AST = 5,
Z3_NUMERAL_AST = 0,
Z3_APP_AST = 1,
}
/// <summary>Z3_decl_kind</summary>
public enum Z3_decl_kind {
Z3_OP_LABEL = 1792,
Z3_OP_PR_REWRITE = 1294,
Z3_OP_UNINTERPRETED = 2051,
Z3_OP_SUB = 519,
Z3_OP_ZERO_EXT = 1058,
Z3_OP_ADD = 518,
Z3_OP_IS_INT = 528,
Z3_OP_BREDOR = 1061,
Z3_OP_BNOT = 1051,
Z3_OP_BNOR = 1054,
Z3_OP_PR_CNF_STAR = 1315,
Z3_OP_RA_JOIN = 1539,
Z3_OP_LE = 514,
Z3_OP_SET_UNION = 773,
Z3_OP_PR_UNDEF = 1280,
Z3_OP_BREDAND = 1062,
Z3_OP_LT = 516,
Z3_OP_RA_UNION = 1540,
Z3_OP_BADD = 1028,
Z3_OP_BUREM0 = 1039,
Z3_OP_OEQ = 267,
Z3_OP_PR_MODUS_PONENS = 1284,
Z3_OP_RA_CLONE = 1548,
Z3_OP_REPEAT = 1060,
Z3_OP_RA_NEGATION_FILTER = 1544,
Z3_OP_BSMOD0 = 1040,
Z3_OP_BLSHR = 1065,
Z3_OP_BASHR = 1066,
Z3_OP_PR_UNIT_RESOLUTION = 1304,
Z3_OP_ROTATE_RIGHT = 1068,
Z3_OP_ARRAY_DEFAULT = 772,
Z3_OP_PR_PULL_QUANT = 1296,
Z3_OP_PR_APPLY_DEF = 1310,
Z3_OP_PR_REWRITE_STAR = 1295,
Z3_OP_IDIV = 523,
Z3_OP_PR_GOAL = 1283,
Z3_OP_PR_IFF_TRUE = 1305,
Z3_OP_LABEL_LIT = 1793,
Z3_OP_BOR = 1050,
Z3_OP_PR_SYMMETRY = 1286,
Z3_OP_TRUE = 256,
Z3_OP_SET_COMPLEMENT = 776,
Z3_OP_CONCAT = 1056,
Z3_OP_PR_NOT_OR_ELIM = 1293,
Z3_OP_IFF = 263,
Z3_OP_BSHL = 1064,
Z3_OP_PR_TRANSITIVITY = 1287,
Z3_OP_SGT = 1048,
Z3_OP_RA_WIDEN = 1541,
Z3_OP_PR_DEF_INTRO = 1309,
Z3_OP_NOT = 265,
Z3_OP_PR_QUANT_INTRO = 1290,
Z3_OP_UGT = 1047,
Z3_OP_DT_RECOGNISER = 2049,
Z3_OP_SET_INTERSECT = 774,
Z3_OP_BSREM = 1033,
Z3_OP_RA_STORE = 1536,
Z3_OP_SLT = 1046,
Z3_OP_ROTATE_LEFT = 1067,
Z3_OP_PR_NNF_NEG = 1313,
Z3_OP_PR_REFLEXIVITY = 1285,
Z3_OP_ULEQ = 1041,
Z3_OP_BIT1 = 1025,
Z3_OP_BIT0 = 1026,
Z3_OP_EQ = 258,
Z3_OP_BMUL = 1030,
Z3_OP_ARRAY_MAP = 771,
Z3_OP_STORE = 768,
Z3_OP_PR_HYPOTHESIS = 1302,
Z3_OP_RA_RENAME = 1545,
Z3_OP_AND = 261,
Z3_OP_TO_REAL = 526,
Z3_OP_PR_NNF_POS = 1312,
Z3_OP_PR_AND_ELIM = 1292,
Z3_OP_MOD = 525,
Z3_OP_BUDIV0 = 1037,
Z3_OP_PR_TRUE = 1281,
Z3_OP_BNAND = 1053,
Z3_OP_PR_ELIM_UNUSED_VARS = 1299,
Z3_OP_RA_FILTER = 1543,
Z3_OP_FD_LT = 1549,
Z3_OP_RA_EMPTY = 1537,
Z3_OP_DIV = 522,
Z3_OP_ANUM = 512,
Z3_OP_MUL = 521,
Z3_OP_UGEQ = 1043,
Z3_OP_BSREM0 = 1038,
Z3_OP_PR_TH_LEMMA = 1318,
Z3_OP_BXOR = 1052,
Z3_OP_DISTINCT = 259,
Z3_OP_PR_IFF_FALSE = 1306,
Z3_OP_BV2INT = 1072,
Z3_OP_EXT_ROTATE_LEFT = 1069,
Z3_OP_PR_PULL_QUANT_STAR = 1297,
Z3_OP_BSUB = 1029,
Z3_OP_PR_ASSERTED = 1282,
Z3_OP_BXNOR = 1055,
Z3_OP_EXTRACT = 1059,
Z3_OP_PR_DER = 1300,
Z3_OP_DT_CONSTRUCTOR = 2048,
Z3_OP_GT = 517,
Z3_OP_BUREM = 1034,
Z3_OP_IMPLIES = 266,
Z3_OP_SLEQ = 1042,
Z3_OP_GE = 515,
Z3_OP_BAND = 1049,
Z3_OP_ITE = 260,
Z3_OP_AS_ARRAY = 778,
Z3_OP_RA_SELECT = 1547,
Z3_OP_CONST_ARRAY = 770,
Z3_OP_BSDIV = 1031,
Z3_OP_OR = 262,
Z3_OP_AGNUM = 513,
Z3_OP_PR_PUSH_QUANT = 1298,
Z3_OP_BSMOD = 1035,
Z3_OP_PR_IFF_OEQ = 1311,
Z3_OP_PR_LEMMA = 1303,
Z3_OP_SET_SUBSET = 777,
Z3_OP_SELECT = 769,
Z3_OP_RA_PROJECT = 1542,
Z3_OP_BNEG = 1027,
Z3_OP_UMINUS = 520,
Z3_OP_REM = 524,
Z3_OP_TO_INT = 527,
Z3_OP_PR_QUANT_INST = 1301,
Z3_OP_SGEQ = 1044,
Z3_OP_POWER = 529,
Z3_OP_XOR3 = 1074,
Z3_OP_RA_IS_EMPTY = 1538,
Z3_OP_CARRY = 1073,
Z3_OP_DT_ACCESSOR = 2050,
Z3_OP_PR_TRANSITIVITY_STAR = 1288,
Z3_OP_PR_NNF_STAR = 1314,
Z3_OP_PR_COMMUTATIVITY = 1307,
Z3_OP_ULT = 1045,
Z3_OP_BSDIV0 = 1036,
Z3_OP_SET_DIFFERENCE = 775,
Z3_OP_INT2BV = 1071,
Z3_OP_XOR = 264,
Z3_OP_PR_MODUS_PONENS_OEQ = 1317,
Z3_OP_BNUM = 1024,
Z3_OP_BUDIV = 1032,
Z3_OP_PR_MONOTONICITY = 1289,
Z3_OP_PR_DEF_AXIOM = 1308,
Z3_OP_FALSE = 257,
Z3_OP_EXT_ROTATE_RIGHT = 1070,
Z3_OP_PR_DISTRIBUTIVITY = 1291,
Z3_OP_SIGN_EXT = 1057,
Z3_OP_PR_SKOLEMIZE = 1316,
Z3_OP_BCOMP = 1063,
Z3_OP_RA_COMPLEMENT = 1546,
}
/// <summary>Z3_param_kind</summary>
public enum Z3_param_kind {
Z3_PK_BOOL = 1,
Z3_PK_SYMBOL = 3,
Z3_PK_OTHER = 5,
Z3_PK_INVALID = 6,
Z3_PK_UINT = 0,
Z3_PK_STRING = 4,
Z3_PK_DOUBLE = 2,
}
/// <summary>Z3_ast_print_mode</summary>
public enum Z3_ast_print_mode {
Z3_PRINT_SMTLIB2_COMPLIANT = 3,
Z3_PRINT_SMTLIB_COMPLIANT = 2,
Z3_PRINT_SMTLIB_FULL = 0,
Z3_PRINT_LOW_LEVEL = 1,
}
/// <summary>Z3_error_code</summary>
public enum Z3_error_code {
Z3_INVALID_PATTERN = 6,
Z3_MEMOUT_FAIL = 7,
Z3_NO_PARSER = 5,
Z3_OK = 0,
Z3_INVALID_ARG = 3,
Z3_EXCEPTION = 12,
Z3_IOB = 2,
Z3_INTERNAL_FATAL = 9,
Z3_INVALID_USAGE = 10,
Z3_FILE_ACCESS_ERROR = 8,
Z3_SORT_ERROR = 1,
Z3_PARSER_ERROR = 4,
Z3_DEC_REF_ERROR = 11,
}
/// <summary>Z3_goal_prec</summary>
public enum Z3_goal_prec {
Z3_GOAL_UNDER = 1,
Z3_GOAL_PRECISE = 0,
Z3_GOAL_UNDER_OVER = 3,
Z3_GOAL_OVER = 2,
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Fixedpoints.cs
Abstract:
Z3 Managed API: Fixedpoints
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Object for managing fixedpoints
/// </summary>
[ContractVerification(true)]
public class Fixedpoint : Z3Object
{
/// <summary>
/// A string that describes all available fixedpoint solver parameters.
/// </summary>
public string Help
{
get {
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_fixedpoint_get_help(Context.nCtx, NativeObject);
}
}
/// <summary>
/// Sets the fixedpoint solver parameters.
/// </summary>
public Params Parameters
{
set
{
Contract.Requires(value != null);
Context.CheckContextMatch(value);
Native.Z3_fixedpoint_set_params(Context.nCtx, NativeObject, value.NativeObject);
}
}
/// <summary>
/// Retrieves parameter descriptions for Fixedpoint solver.
/// </summary>
public ParamDescrs ParameterDescriptions
{
get
{
return new ParamDescrs(Context, Native.Z3_fixedpoint_get_param_descrs(Context.nCtx, NativeObject));
}
}
/// <summary>
/// Assert a constraint (or multiple) into the fixedpoint solver.
/// </summary>
public void Assert(params BoolExpr[] constraints)
{
Contract.Requires(constraints != null);
Contract.Requires(Contract.ForAll(constraints, c => c != null));
Context.CheckContextMatch(constraints);
foreach (BoolExpr a in constraints)
{
Native.Z3_fixedpoint_assert(Context.nCtx, NativeObject, a.NativeObject);
}
}
/// <summary>
/// Register predicate as recursive relation.
/// </summary>
public void RegisterRelation(FuncDecl f)
{
Contract.Requires(f != null);
Context.CheckContextMatch(f);
Native.Z3_fixedpoint_register_relation(Context.nCtx, NativeObject, f.NativeObject);
}
/// <summary>
/// Add rule into the fixedpoint solver.
/// </summary>
public void AddRule(BoolExpr rule, Symbol name = null)
{
Contract.Requires(rule != null);
Context.CheckContextMatch(rule);
Native.Z3_fixedpoint_add_rule(Context.nCtx, NativeObject, rule.NativeObject, AST.GetNativeObject(name));
}
/// <summary>
/// Add table fact to the fixedpoint solver.
/// </summary>
public void AddFact(FuncDecl pred, params uint[] args)
{
Contract.Requires(pred != null);
Contract.Requires(args != null);
Context.CheckContextMatch(pred);
Native.Z3_fixedpoint_add_fact(Context.nCtx, NativeObject, pred.NativeObject, (uint)args.Length, args);
}
/// <summary>
/// Query the fixedpoint solver.
/// A query is a conjunction of constraints. The constraints may include the recursively defined relations.
/// The query is satisfiable if there is an instance of the query variables and a derivation for it.
/// The query is unsatisfiable if there are no derivations satisfying the query variables.
/// </summary>
public Status Query(BoolExpr query)
{
Contract.Requires(query != null);
Context.CheckContextMatch(query);
Z3_lbool r = (Z3_lbool)Native.Z3_fixedpoint_query(Context.nCtx, NativeObject, query.NativeObject);
switch (r)
{
case Z3_lbool.Z3_L_TRUE: return Status.SATISFIABLE;
case Z3_lbool.Z3_L_FALSE: return Status.UNSATISFIABLE;
default: return Status.UNKNOWN;
}
}
/// <summary>
/// Query the fixedpoint solver.
/// A query is an array of relations.
/// The query is satisfiable if there is an instance of some relation that is non-empty.
/// The query is unsatisfiable if there are no derivations satisfying any of the relations.
/// </summary>
public Status Query(FuncDecl[] relations)
{
Contract.Requires(relations != null);
Contract.Requires(Contract.ForAll(0, relations.Length, i => relations[i] != null));
Context.CheckContextMatch(relations);
Z3_lbool r = (Z3_lbool)Native.Z3_fixedpoint_query_relations(Context.nCtx, NativeObject,
AST.ArrayLength(relations), AST.ArrayToNative(relations));
switch (r)
{
case Z3_lbool.Z3_L_TRUE: return Status.SATISFIABLE;
case Z3_lbool.Z3_L_FALSE: return Status.UNSATISFIABLE;
default: return Status.UNKNOWN;
}
}
/// <summary>
/// Creates a backtracking point.
/// </summary>
/// <seealso cref="Pop"/>
public void Push()
{
Native.Z3_fixedpoint_push(Context.nCtx, NativeObject);
}
/// <summary>
/// Backtrack one backtracking point.
/// </summary>
/// <remarks>Note that an exception is thrown if Pop is called without a corresponding <c>Push</c></remarks>
/// <seealso cref="Push"/>
public void Pop()
{
Native.Z3_fixedpoint_pop(Context.nCtx, NativeObject);
}
/// <summary>
/// Update named rule into in the fixedpoint solver.
/// </summary>
public void UpdateRule(BoolExpr rule, Symbol name)
{
Contract.Requires(rule != null);
Context.CheckContextMatch(rule);
Native.Z3_fixedpoint_update_rule(Context.nCtx, NativeObject, rule.NativeObject, AST.GetNativeObject(name));
}
/// <summary>
/// Retrieve satisfying instance or instances of solver,
/// or definitions for the recursive predicates that show unsatisfiability.
/// </summary>
public Expr GetAnswer()
{
IntPtr ans = Native.Z3_fixedpoint_get_answer(Context.nCtx, NativeObject);
return (ans == IntPtr.Zero) ? null : Expr.Create(Context, ans);
}
/// <summary>
/// Retrieve explanation why fixedpoint engine returned status Unknown.
/// </summary>
public string GetReasonUnknown()
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_fixedpoint_get_reason_unknown(Context.nCtx, NativeObject);
}
/// <summary>
/// Retrieve the number of levels explored for a given predicate.
/// </summary>
public uint GetNumLevels(FuncDecl predicate)
{
return Native.Z3_fixedpoint_get_num_levels(Context.nCtx, NativeObject, predicate.NativeObject);
}
/// <summary>
/// Retrieve the cover of a predicate.
/// </summary>
public Expr GetCoverDelta(int level, FuncDecl predicate)
{
IntPtr res = Native.Z3_fixedpoint_get_cover_delta(Context.nCtx, NativeObject, level, predicate.NativeObject);
return (res == IntPtr.Zero) ? null : Expr.Create(Context, res);
}
/// <summary>
/// Add <tt>property</tt> about the <tt>predicate</tt>.
/// The property is added at <tt>level</tt>.
/// </summary>
public void AddCover(int level, FuncDecl predicate, Expr property)
{
Native.Z3_fixedpoint_add_cover(Context.nCtx, NativeObject, level, predicate.NativeObject, property.NativeObject);
}
/// <summary>
/// Retrieve internal string representation of fixedpoint object.
/// </summary>
public override string ToString()
{
return Native.Z3_fixedpoint_to_string(Context.nCtx, NativeObject, 0, null);
}
/// <summary>
/// Instrument the Datalog engine on which table representation to use for recursive predicate.
/// </summary>
public void SetPredicateRepresentation(FuncDecl f, Symbol[] kinds)
{
Contract.Requires(f != null);
Native.Z3_fixedpoint_set_predicate_representation(Context.nCtx, NativeObject,
f.NativeObject, AST.ArrayLength(kinds), Symbol.ArrayToNative(kinds));
}
/// <summary>
/// Convert benchmark given as set of axioms, rules and queries to a string.
/// </summary>
public string ToString(BoolExpr[] queries)
{
return Native.Z3_fixedpoint_to_string(Context.nCtx, NativeObject,
AST.ArrayLength(queries), AST.ArrayToNative(queries));
}
#region Internal
internal Fixedpoint(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal Fixedpoint(Context ctx)
: base(ctx, Native.Z3_mk_fixedpoint(ctx.nCtx))
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_fixedpoint_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_fixedpoint_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Fixedpoint_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Fixedpoint_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
FuncDecl.cs
Abstract:
Z3 Managed API: Function Declarations
Author:
Christoph Wintersteiger (cwinter) 2012-03-16
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Function declarations.
/// </summary>
[ContractVerification(true)]
public class FuncDecl : AST
{
/// <summary>
/// Comparison operator.
/// </summary>
/// <returns>True if <paramref name="a"/> and <paramref name="b"/> share the same context and are equal, false otherwise.</returns>
public static bool operator ==(FuncDecl a, FuncDecl b)
{
return Object.ReferenceEquals(a, b) ||
(!Object.ReferenceEquals(a, null) &&
!Object.ReferenceEquals(b, null) &&
a.Context.nCtx == b.Context.nCtx &&
Native.Z3_is_eq_func_decl(a.Context.nCtx, a.NativeObject, b.NativeObject) != 0);
}
/// <summary>
/// Comparison operator.
/// </summary>
/// <returns>True if <paramref name="a"/> and <paramref name="b"/> do not share the same context or are not equal, false otherwise.</returns>
public static bool operator !=(FuncDecl a, FuncDecl b)
{
return !(a == b);
}
/// <summary>
/// Object comparison.
/// </summary>
public override bool Equals(object o)
{
FuncDecl casted = o as FuncDecl;
if (casted == null) return false;
return this == casted;
}
/// <summary>
/// A hash code.
/// </summary>
public override int GetHashCode()
{
return base.GetHashCode();
}
/// <summary>
/// A string representations of the function declaration.
/// </summary>
public override string ToString()
{
return Native.Z3_func_decl_to_string(Context.nCtx, NativeObject);
}
/// <summary>
/// Returns a unique identifier for the function declaration.
/// </summary>
new public uint Id
{
get { return Native.Z3_get_func_decl_id(Context.nCtx, NativeObject); }
}
/// <summary>
/// The arity of the function declaration
/// </summary>
public uint Arity
{
get { return Native.Z3_get_arity(Context.nCtx, NativeObject); }
}
/// <summary>
/// The size of the domain of the function declaration
/// <seealso cref="Arity"/>
/// </summary>
public uint DomainSize
{
get { return Native.Z3_get_domain_size(Context.nCtx, NativeObject); }
}
/// <summary>
/// The domain of the function declaration
/// </summary>
public Sort[] Domain
{
get
{
Contract.Ensures(Contract.Result<Sort[]>() != null);
var n = DomainSize;
Sort[] res = new Sort[n];
for (uint i = 0; i < n; i++)
res[i] = Sort.Create(Context, Native.Z3_get_domain(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The range of the function declaration
/// </summary>
public Sort Range
{
get {
Contract.Ensures(Contract.Result<Sort>() != null);
return Sort.Create(Context, Native.Z3_get_range(Context.nCtx, NativeObject)); }
}
/// <summary>
/// The kind of the function declaration.
/// </summary>
public Z3_decl_kind DeclKind
{
get { return (Z3_decl_kind)Native.Z3_get_decl_kind(Context.nCtx, NativeObject); }
}
/// <summary>
/// The name of the function declaration
/// </summary>
public Symbol Name
{
get {
Contract.Ensures(Contract.Result<Symbol>() != null);
return Symbol.Create(Context, Native.Z3_get_decl_name(Context.nCtx, NativeObject)); }
}
/// <summary>
/// The number of parameters of the function declaration
/// </summary>
public uint NumParameters
{
get { return Native.Z3_get_decl_num_parameters(Context.nCtx, NativeObject); }
}
/// <summary>
/// The parameters of the function declaration
/// </summary>
public Parameter[] Parameters
{
get
{
Contract.Ensures(Contract.Result<Parameter[]>() != null);
uint num = NumParameters;
Parameter[] res = new Parameter[num];
for (uint i = 0; i < num; i++)
{
Z3_parameter_kind k = (Z3_parameter_kind)Native.Z3_get_decl_parameter_kind(Context.nCtx, NativeObject, i);
switch (k)
{
case Z3_parameter_kind.Z3_PARAMETER_INT:
res[i] = new Parameter(k, Native.Z3_get_decl_int_parameter(Context.nCtx, NativeObject, i));
break;
case Z3_parameter_kind.Z3_PARAMETER_DOUBLE:
res[i] = new Parameter(k, Native.Z3_get_decl_double_parameter(Context.nCtx, NativeObject, i));
break;
case Z3_parameter_kind.Z3_PARAMETER_SYMBOL:
res[i] = new Parameter(k, Symbol.Create(Context, Native.Z3_get_decl_symbol_parameter(Context.nCtx, NativeObject, i)));
break;
case Z3_parameter_kind.Z3_PARAMETER_SORT:
res[i] = new Parameter(k, Sort.Create(Context, Native.Z3_get_decl_sort_parameter(Context.nCtx, NativeObject, i)));
break;
case Z3_parameter_kind.Z3_PARAMETER_AST:
res[i] = new Parameter(k, new AST(Context, Native.Z3_get_decl_ast_parameter(Context.nCtx, NativeObject, i)));
break;
case Z3_parameter_kind.Z3_PARAMETER_FUNC_DECL:
res[i] = new Parameter(k, new FuncDecl(Context, Native.Z3_get_decl_func_decl_parameter(Context.nCtx, NativeObject, i)));
break;
case Z3_parameter_kind.Z3_PARAMETER_RATIONAL:
res[i] = new Parameter(k, Native.Z3_get_decl_rational_parameter(Context.nCtx, NativeObject, i));
break;
default:
throw new Z3Exception("Unknown function declaration parameter kind encountered");
}
}
return res;
}
}
/// <summary>
/// Function declarations can have Parameters associated with them.
/// </summary>
public class Parameter
{
readonly private Z3_parameter_kind kind;
readonly private int i;
readonly private double d;
readonly private Symbol sym;
readonly private Sort srt;
readonly private AST ast;
readonly private FuncDecl fd;
readonly private string r;
/// <summary>The int value of the parameter.</summary>
public int Int { get { if (ParameterKind != Z3_parameter_kind.Z3_PARAMETER_INT) throw new Z3Exception("parameter is not an int"); return i; } }
/// <summary>The double value of the parameter.</summary>
public double Double { get { if (ParameterKind != Z3_parameter_kind.Z3_PARAMETER_DOUBLE) throw new Z3Exception("parameter is not a double "); return d; } }
/// <summary>The Symbol value of the parameter.</summary>
public Symbol Symbol { get { if (ParameterKind != Z3_parameter_kind.Z3_PARAMETER_SYMBOL) throw new Z3Exception("parameter is not a Symbol"); return sym; } }
/// <summary>The Sort value of the parameter.</summary>
public Sort Sort { get { if (ParameterKind != Z3_parameter_kind.Z3_PARAMETER_SORT) throw new Z3Exception("parameter is not a Sort"); return srt; } }
/// <summary>The AST value of the parameter.</summary>
public AST AST { get { if (ParameterKind != Z3_parameter_kind.Z3_PARAMETER_AST) throw new Z3Exception("parameter is not an AST"); return ast; } }
/// <summary>The FunctionDeclaration value of the parameter.</summary>
public FuncDecl FuncDecl { get { if (ParameterKind != Z3_parameter_kind.Z3_PARAMETER_FUNC_DECL) throw new Z3Exception("parameter is not a function declaration"); return fd; } }
/// <summary>The rational string value of the parameter.</summary>
public string Rational { get { if (ParameterKind != Z3_parameter_kind.Z3_PARAMETER_RATIONAL) throw new Z3Exception("parameter is not a rational string"); return r; } }
/// <summary>
/// The kind of the parameter.
/// </summary>
public Z3_parameter_kind ParameterKind { get { return kind; } }
#region Internal
internal Parameter(Z3_parameter_kind k, int i)
{
this.kind = k;
this.i = i;
}
internal Parameter(Z3_parameter_kind k, double d)
{
this.kind = k;
this.d = d;
}
internal Parameter(Z3_parameter_kind k, Symbol s)
{
this.kind = k;
this.sym = s;
}
internal Parameter(Z3_parameter_kind k, Sort s)
{
this.kind = k;
this.srt = s;
}
internal Parameter(Z3_parameter_kind k, AST a)
{
this.kind = k;
this.ast = a;
}
internal Parameter(Z3_parameter_kind k, FuncDecl fd)
{
this.kind = k;
this.fd = fd;
}
internal Parameter(Z3_parameter_kind k, string r)
{
this.kind = k;
this.r = r;
}
#endregion
}
#region Internal
internal FuncDecl(Context ctx, IntPtr obj) : base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal FuncDecl(Context ctx, Symbol name, Sort[] domain, Sort range)
: base(ctx, Native.Z3_mk_func_decl(ctx.nCtx, name.NativeObject,
AST.ArrayLength(domain), AST.ArrayToNative(domain),
range.NativeObject))
{
Contract.Requires(ctx != null);
Contract.Requires(name != null);
Contract.Requires(range != null);
}
internal FuncDecl(Context ctx, string prefix, Sort[] domain, Sort range)
: base(ctx, Native.Z3_mk_fresh_func_decl(ctx.nCtx, prefix,
AST.ArrayLength(domain), AST.ArrayToNative(domain),
range.NativeObject))
{
Contract.Requires(ctx != null);
Contract.Requires(range != null);
}
#if DEBUG
internal override void CheckNativeObject(IntPtr obj)
{
if (Native.Z3_get_ast_kind(Context.nCtx, obj) != (uint)Z3_ast_kind.Z3_FUNC_DECL_AST)
throw new Z3Exception("Underlying object is not a function declaration");
base.CheckNativeObject(obj);
}
#endif
#endregion
/// <summary>
/// Create expression that applies function to arguments.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
public Expr this[params Expr[] args] {
get {
Contract.Requires(args == null || Contract.ForAll(args, a => a != null));
return Apply(args);
}
}
/// <summary>
/// Create expression that applies function to arguments.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
public Expr Apply(params Expr[] args)
{
Contract.Requires(args == null || Contract.ForAll(args, a => a != null));
Context.CheckContextMatch(args);
return Expr.Create(Context, this, args);
}
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
FuncInterp.cs
Abstract:
Z3 Managed API: Function Interpretations
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// A function interpretation is represented as a finite map and an 'else' value.
/// Each entry in the finite map represents the value of a function given a set of arguments.
/// </summary>
[ContractVerification(true)]
public class FuncInterp : Z3Object
{
/// <summary>
/// An Entry object represents an element in the finite map used to encode
/// a function interpretation.
/// </summary>
public class Entry : Z3Object
{
/// <summary>
/// Return the (symbolic) value of this entry.
/// </summary>
public Expr Value
{
get {
Contract.Ensures(Contract.Result<Expr>() != null);
return Expr.Create(Context, Native.Z3_func_entry_get_value(Context.nCtx, NativeObject)); }
}
/// <summary>
/// The number of arguments of the entry.
/// </summary>
public uint NumArgs
{
get { return Native.Z3_func_entry_get_num_args(Context.nCtx, NativeObject); }
}
/// <summary>
/// The arguments of the function entry.
/// </summary>
public Expr[] Args
{
get
{
Contract.Ensures(Contract.Result<Expr[]>() != null);
Contract.Ensures(Contract.Result<Expr[]>().Length == this.NumArgs);
uint n = NumArgs;
Expr[] res = new Expr[n];
for (uint i = 0; i < n; i++)
res[i] = Expr.Create(Context, Native.Z3_func_entry_get_arg(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// A string representation of the function entry.
/// </summary>
public override string ToString()
{
uint n = NumArgs;
string res = "[";
Expr[] args = Args;
for (uint i = 0; i < n; i++)
res += args[i] + ", ";
return res + Value + "]";
}
#region Internal
internal Entry(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_func_entry_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_func_entry_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.FuncEntry_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.FuncEntry_DRQ.Add(o);
base.DecRef(o);
}
#endregion
};
/// <summary>
/// The number of entries in the function interpretation.
/// </summary>
public uint NumEntries
{
get { return Native.Z3_func_interp_get_num_entries(Context.nCtx, NativeObject); }
}
/// <summary>
/// The entries in the function interpretation
/// </summary>
public Entry[] Entries
{
get
{
Contract.Ensures(Contract.Result<Entry[]>() != null);
Contract.Ensures(Contract.ForAll(0, Contract.Result<Entry[]>().Length,
j => Contract.Result<Entry[]>()[j] != null));
uint n = NumEntries;
Entry[] res = new Entry[n];
for (uint i = 0; i < n; i++)
res[i] = new Entry(Context, Native.Z3_func_interp_get_entry(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The (symbolic) `else' value of the function interpretation.
/// </summary>
public Expr Else
{
get {
Contract.Ensures(Contract.Result<Expr>() != null);
return Expr.Create(Context, Native.Z3_func_interp_get_else(Context.nCtx, NativeObject)); }
}
/// <summary>
/// The arity of the function interpretation
/// </summary>
public uint Arity
{
get { return Native.Z3_func_interp_get_arity(Context.nCtx, NativeObject); }
}
/// <summary>
/// A string representation of the function interpretation.
/// </summary>
public override string ToString()
{
string res = "";
res += "[";
foreach (Entry e in Entries)
{
uint n = e.NumArgs;
if (n > 1) res += "[";
Expr[] args = e.Args;
for (uint i = 0; i < n; i++)
{
if (i != 0) res += ", ";
res += args[i];
}
if (n > 1) res += "]";
res += " -> " + e.Value + ", ";
}
res += "else -> " + Else;
res += "]";
return res;
}
#region Internal
internal FuncInterp(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_func_interp_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_func_interp_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.FuncInterp_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.FuncInterp_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Goal.cs
Abstract:
Z3 Managed API: Goal
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// A goal (aka problem). A goal is essentially a set
/// of formulas, that can be solved and/or transformed using
/// tactics and solvers.
/// </summary>
[ContractVerification(true)]
public class Goal : Z3Object
{
/// <summary>
/// The precision of the goal.
/// </summary>
/// <remarks>
/// Goals can be transformed using over and under approximations.
/// An under approximation is applied when the objective is to find a model for a given goal.
/// An over approximation is applied when the objective is to find a proof for a given goal.
/// </remarks>
public Z3_goal_prec Precision
{
get { return (Z3_goal_prec)Native.Z3_goal_precision(Context.nCtx, NativeObject); }
}
/// <summary>
/// Indicates whether the goal is precise.
/// </summary>
public bool IsPrecise
{
get { return Precision == Z3_goal_prec.Z3_GOAL_PRECISE; }
}
/// <summary>
/// Indicates whether the goal is an under-approximation.
/// </summary>
public bool IsUnderApproximation
{
get { return Precision == Z3_goal_prec.Z3_GOAL_UNDER; }
}
/// <summary>
/// Indicates whether the goal is an over-approximation.
/// </summary>
public bool IsOverApproximation
{
get { return Precision == Z3_goal_prec.Z3_GOAL_OVER; }
}
/// <summary>
/// Indicates whether the goal is garbage (i.e., the product of over- and under-approximations).
/// </summary>
public bool IsGarbage
{
get { return Precision == Z3_goal_prec.Z3_GOAL_UNDER_OVER; }
}
/// <summary>
/// Adds the <paramref name="constraints"/> to the given goal.
/// </summary>
public void Assert(params BoolExpr[] constraints)
{
Contract.Requires(constraints != null);
Contract.Requires(Contract.ForAll(constraints, c => c != null));
Context.CheckContextMatch(constraints);
foreach (BoolExpr c in constraints)
{
Contract.Assert(c != null); // It was an assume, now made an assert just to be sure we do not regress
Native.Z3_goal_assert(Context.nCtx, NativeObject, c.NativeObject);
}
}
/// <summary>
/// Indicates whether the goal contains `false'.
/// </summary>
public bool Inconsistent
{
get { return Native.Z3_goal_inconsistent(Context.nCtx, NativeObject) != 0; }
}
/// <summary>
/// The depth of the goal.
/// </summary>
/// <remarks>
/// This tracks how many transformations were applied to it.
/// </remarks>
public uint Depth
{
get { return Native.Z3_goal_depth(Context.nCtx, NativeObject); }
}
/// <summary>
/// Erases all formulas from the given goal.
/// </summary>
public void Reset()
{
Native.Z3_goal_reset(Context.nCtx, NativeObject);
}
/// <summary>
/// The number of formulas in the goal.
/// </summary>
public uint Size
{
get { return Native.Z3_goal_size(Context.nCtx, NativeObject); }
}
/// <summary>
/// The formulas in the goal.
/// </summary>
public BoolExpr[] Formulas
{
get
{
Contract.Ensures(Contract.Result<BoolExpr[]>() != null);
uint n = Size;
BoolExpr[] res = new BoolExpr[n];
for (uint i = 0; i < n; i++)
res[i] = new BoolExpr(Context, Native.Z3_goal_formula(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The number of formulas, subformulas and terms in the goal.
/// </summary>
public uint NumExprs
{
get { return Native.Z3_goal_num_exprs(Context.nCtx, NativeObject); }
}
/// <summary>
/// Indicates whether the goal is empty, and it is precise or the product of an under approximation.
/// </summary>
public bool IsDecidedSat
{
get { return Native.Z3_goal_is_decided_sat(Context.nCtx, NativeObject) != 0; }
}
/// <summary>
/// Indicates whether the goal contains `false', and it is precise or the product of an over approximation.
/// </summary>
public bool IsDecidedUnsat
{
get { return Native.Z3_goal_is_decided_unsat(Context.nCtx, NativeObject) != 0; }
}
/// <summary>
/// Translates (copies) the Goal to the target Context <paramref name="ctx"/>.
/// </summary>
public Goal Translate(Context ctx)
{
Contract.Requires(ctx != null);
return new Goal(ctx, Native.Z3_goal_translate(Context.nCtx, NativeObject, ctx.nCtx));
}
/// <summary>
/// Simplifies the goal.
/// </summary>
/// <remarks>Essentially invokes the `simplify' tactic on the goal.</remarks>
public Goal Simplify(Params p = null)
{
Tactic t = Context.MkTactic("simplify");
ApplyResult res = t.Apply(this, p);
if (res.NumSubgoals == 0)
return Context.MkGoal();
else
return res.Subgoals[0];
}
/// <summary>
/// Goal to string conversion.
/// </summary>
/// <returns>A string representation of the Goal.</returns>
public override string ToString()
{
return Native.Z3_goal_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal Goal(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal Goal(Context ctx, bool models, bool unsatCores, bool proofs)
: base(ctx, Native.Z3_mk_goal(ctx.nCtx, (models) ? 1 : 0, (unsatCores) ? 1 : 0, (proofs) ? 1 : 0))
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_goal_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_goal_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Goal_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Goal_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Log.cs
Abstract:
Z3 Managed API: Log
Author:
Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Interaction logging for Z3.
/// </summary>
/// <remarks>
/// Note that this is a global, static log and if multiple Context
/// objects are created, it logs the interaction with all of them.
/// </remarks>
[ContractVerification(true)]
public static class Log
{
private static bool m_is_open = false;
/// <summary>
/// Open an interaction log file.
/// </summary>
/// <param name="filename">the name of the file to open</param>
/// <returns>True if opening the log file succeeds, false otherwise.</returns>
public static bool Open(string filename)
{
m_is_open = true;
return Native.Z3_open_log(filename) == 1;
}
/// <summary>
/// Closes the interaction log.
/// </summary>
public static void Close()
{
m_is_open = false;
Native.Z3_close_log();
}
/// <summary>
/// Appends the user-provided string <paramref name="s"/> to the interaction log.
/// </summary>
public static void Append(string s)
{
Contract.Requires(isOpen());
if (!m_is_open)
throw new Z3Exception("Log cannot be closed.");
Native.Z3_append_log(s);
}
/// <summary>
/// Checks whether the interaction log is opened.
/// </summary>
/// <returns>True if the interaction log is open, false otherwise.</returns>
[Pure]
public static bool isOpen()
{
return m_is_open;
}
}
}

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Microsoft.Z3/Microsoft.Z3.csproj Normal file
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<PlatformTarget>x64</PlatformTarget>
<CodeAnalysisLogFile>..\release\Microsoft.Z3.dll.CodeAnalysisLog.xml</CodeAnalysisLogFile>
<CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
<CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
<ErrorReport>prompt</ErrorReport>
<CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
<CodeAnalysisRuleSetDirectories>;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\\Rule Sets</CodeAnalysisRuleSetDirectories>
<CodeAnalysisIgnoreBuiltInRuleSets>true</CodeAnalysisIgnoreBuiltInRuleSets>
<CodeAnalysisRuleDirectories>;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules;C:\Program Files\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules</CodeAnalysisRuleDirectories>
<CodeAnalysisIgnoreBuiltInRules>true</CodeAnalysisIgnoreBuiltInRules>
</PropertyGroup>
<ItemGroup>
<Reference Include="Microsoft.Contracts, Version=1.0.0.0, Culture=neutral, PublicKeyToken=736440c9b414ea16, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\..\..\..\Program Files\Microsoft\Contracts\Contracts\v3.5\Microsoft.Contracts.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Core" />
</ItemGroup>
<ItemGroup>
<Compile Include="ApplyResult.cs" />
<Compile Include="AST.cs" />
<Compile Include="ASTMap.cs" />
<Compile Include="ASTVector.cs" />
<Compile Include="Constructor.cs" />
<Compile Include="DecRefQueue.cs" />
<Compile Include="Enumerations.cs" />
<Compile Include="Expr.cs" />
<Compile Include="Fixedpoint.cs" />
<Compile Include="FuncDecl.cs" />
<Compile Include="FuncInterp.cs" />
<Compile Include="Goal.cs" />
<Compile Include="Model.cs" />
<Compile Include="Numeral.cs" />
<Compile Include="Params.cs" />
<Compile Include="Pattern.cs" />
<Compile Include="Statistics.cs" />
<Compile Include="Status.cs" />
<Compile Include="Context.cs" />
<Compile Include="Probe.cs" />
<Compile Include="Solver.cs" />
<Compile Include="Tactic.cs" />
<Compile Include="Z3Exception.cs" />
<Compile Include="Log.cs" />
<Compile Include="Native.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Quantifier.cs" />
<Compile Include="Sort.cs" />
<Compile Include="Symbol.cs" />
<Compile Include="Util.cs" />
<Compile Include="Version.cs" />
<Compile Include="Z3Object.cs" />
</ItemGroup>
<ItemGroup>
<WCFMetadata Include="Service References\" />
</ItemGroup>
<ItemGroup>
<None Include="z3.snk" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<PropertyGroup>
<PostBuildEvent>
</PostBuildEvent>
</PropertyGroup>
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Model.cs
Abstract:
Z3 Managed API: Models
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// A Model contains interpretations (assignments) of constants and functions.
/// </summary>
[ContractVerification(true)]
public class Model : Z3Object
{
/// <summary>
/// Retrieves the interpretation (the assignment) of <paramref name="a"/> in the model.
/// </summary>
/// <param name="a">A Constant</param>
/// <returns>An expression if the constant has an interpretation in the model, null otherwise.</returns>
public Expr ConstInterp(Expr a)
{
Contract.Requires(a != null);
Context.CheckContextMatch(a);
return ConstInterp(a.FuncDecl);
}
/// <summary>
/// Retrieves the interpretation (the assignment) of <paramref name="f"/> in the model.
/// </summary>
/// <param name="f">A function declaration of zero arity</param>
/// <returns>An expression if the function has an interpretation in the model, null otherwise.</returns>
public Expr ConstInterp(FuncDecl f)
{
Contract.Requires(f != null);
Context.CheckContextMatch(f);
if (f.Arity != 0 ||
Native.Z3_get_sort_kind(Context.nCtx, Native.Z3_get_range(Context.nCtx, f.NativeObject)) == (uint)Z3_sort_kind.Z3_ARRAY_SORT)
throw new Z3Exception("Non-zero arity functions and arrays have FunctionInterpretations as a model. Use FuncInterp.");
IntPtr n = Native.Z3_model_get_const_interp(Context.nCtx, NativeObject, f.NativeObject);
if (n == IntPtr.Zero)
return null;
else
return Expr.Create(Context, n);
}
/// <summary>
/// Retrieves the interpretation (the assignment) of a non-constant <paramref name="f"/> in the model.
/// </summary>
/// <param name="f">A function declaration of non-zero arity</param>
/// <returns>A FunctionInterpretation if the function has an interpretation in the model, null otherwise.</returns>
public FuncInterp FuncInterp(FuncDecl f)
{
Contract.Requires(f != null);
Context.CheckContextMatch(f);
Z3_sort_kind sk = (Z3_sort_kind)Native.Z3_get_sort_kind(Context.nCtx, Native.Z3_get_range(Context.nCtx, f.NativeObject));
if (f.Arity == 0)
{
IntPtr n = Native.Z3_model_get_const_interp(Context.nCtx, NativeObject, f.NativeObject);
if (sk == Z3_sort_kind.Z3_ARRAY_SORT)
{
if (n == IntPtr.Zero)
return null;
else
{
if (Native.Z3_is_as_array(Context.nCtx, n) == 0)
throw new Z3Exception("Argument was not an array constant");
IntPtr fd = Native.Z3_get_as_array_func_decl(Context.nCtx, n);
return FuncInterp(new FuncDecl(Context, fd));
}
}
else
{
throw new Z3Exception("Constant functions do not have a function interpretation; use ConstInterp");
}
}
else
{
IntPtr n = Native.Z3_model_get_func_interp(Context.nCtx, NativeObject, f.NativeObject);
if (n == IntPtr.Zero)
return null;
else
return new FuncInterp(Context, n);
}
}
/// <summary>
/// The number of constants that have an interpretation in the model.
/// </summary>
public uint NumConsts
{
get { return Native.Z3_model_get_num_consts(Context.nCtx, NativeObject); }
}
/// <summary>
/// The function declarations of the constants in the model.
/// </summary>
public FuncDecl[] ConstDecls
{
get
{
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
uint n = NumConsts;
FuncDecl[] res = new FuncDecl[n];
for (uint i = 0; i < n; i++)
res[i] = new FuncDecl(Context, Native.Z3_model_get_const_decl(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The number of function interpretations in the model.
/// </summary>
public uint NumFuncs
{
get { return Native.Z3_model_get_num_funcs(Context.nCtx, NativeObject); }
}
/// <summary>
/// The function declarations of the function interpretations in the model.
/// </summary>
public FuncDecl[] FuncDecls
{
get
{
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
uint n = NumFuncs;
FuncDecl[] res = new FuncDecl[n];
for (uint i = 0; i < n; i++)
res[i] = new FuncDecl(Context, Native.Z3_model_get_func_decl(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// All symbols that have an interpretation in the model.
/// </summary>
public FuncDecl[] Decls
{
get
{
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
var nFuncs = NumFuncs;
var nConsts = NumConsts;
uint n = nFuncs + nConsts;
FuncDecl[] res = new FuncDecl[n];
for (uint i = 0; i < nConsts; i++)
res[i] = new FuncDecl(Context, Native.Z3_model_get_const_decl(Context.nCtx, NativeObject, i));
for (uint i = 0; i < nFuncs; i++)
res[nConsts + i] = new FuncDecl(Context, Native.Z3_model_get_func_decl(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// A ModelEvaluationFailedException is thrown when an expression cannot be evaluated by the model.
/// </summary>
public class ModelEvaluationFailedException : Z3Exception
{
/// <summary>
/// An exception that is thrown when model evaluation fails.
/// </summary>
public ModelEvaluationFailedException() : base() { }
}
/// <summary>
/// Evaluates the expression <paramref name="t"/> in the current model.
/// </summary>
/// <remarks>
/// This function may fail if <paramref name="t"/> contains quantifiers,
/// is partial (MODEL_PARTIAL enabled), or if <paramref name="t"/> is not well-sorted.
/// In this case a <c>ModelEvaluationFailedException</c> is thrown.
/// </remarks>
/// <param name="t">An expression</param>
/// <param name="completion">
/// When this flag is enabled, a model value will be assigned to any constant
/// or function that does not have an interpretation in the model.
/// </param>
/// <returns>The evaluation of <paramref name="t"/> in the model.</returns>
public Expr Eval(Expr t, bool completion = false)
{
Contract.Requires(t != null);
Contract.Ensures(Contract.Result<Expr>() != null);
IntPtr v = IntPtr.Zero;
if (Native.Z3_model_eval(Context.nCtx, NativeObject, t.NativeObject, (completion) ? 1 : 0, ref v) == 0)
throw new ModelEvaluationFailedException();
else
return Expr.Create(Context, v);
}
/// <summary>
/// Alias for <c>Eval</c>.
/// </summary>
public Expr Evaluate(Expr t, bool completion = false)
{
Contract.Requires(t != null);
Contract.Ensures(Contract.Result<Expr>() != null);
return Eval(t, completion);
}
/// <summary>
/// The number of uninterpreted sorts that the model has an interpretation for.
/// </summary>
public uint NumSorts { get { return Native.Z3_model_get_num_sorts(Context.nCtx, NativeObject); } }
/// <summary>
/// The uninterpreted sorts that the model has an interpretation for.
/// </summary>
/// <remarks>
/// Z3 also provides an intepretation for uninterpreted sorts used in a formula.
/// The interpretation for a sort is a finite set of distinct values. We say this finite set is
/// the "universe" of the sort.
/// </remarks>
/// <seealso cref="NumSorts"/>
/// <seealso cref="SortUniverse"/>
public Sort[] Sorts
{
get
{
Contract.Ensures(Contract.Result<Sort[]>() != null);
uint n = NumSorts;
Sort[] res = new Sort[n];
for (uint i = 0; i < n; i++)
res[i] = Sort.Create(Context, Native.Z3_model_get_sort(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The finite set of distinct values that represent the interpretation for sort <paramref name="s"/>.
/// </summary>
/// <seealso cref="Sorts"/>
/// <param name="s">An uninterpreted sort</param>
/// <returns>An array of expressions, where each is an element of the universe of <paramref name="s"/></returns>
public Expr[] SortUniverse(Sort s)
{
Contract.Requires(s != null);
Contract.Ensures(Contract.Result<Expr[]>() != null);
ASTVector nUniv = new ASTVector(Context, Native.Z3_model_get_sort_universe(Context.nCtx, NativeObject, s.NativeObject));
uint n = nUniv.Size;
Expr[] res = new Expr[n];
for (uint i = 0; i < n; i++)
res[i] = Expr.Create(Context, nUniv[i].NativeObject);
return res;
}
/// <summary>
/// Conversion of models to strings.
/// </summary>
/// <returns>A string representation of the model.</returns>
public override string ToString()
{
return Native.Z3_model_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal Model(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_model_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_model_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Model_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Model_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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Microsoft.Z3/Native.cs Normal file
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Microsoft.Z3/Numeral.cs Normal file
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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Numeral.cs
Abstract:
Z3 Managed API: Numerals
Author:
Christoph Wintersteiger (cwinter) 2012-03-20
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
#if !FRAMEWORK_LT_4
using System.Numerics;
#endif
namespace Microsoft.Z3
{
/// <summary>
/// Integer Numerals
/// </summary>
[ContractVerification(true)]
public class IntNum : IntExpr
{
#region Internal
internal IntNum(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
#endregion
/// <summary>
/// Retrieve the 64-bit unsigned integer value.
/// </summary>
public UInt64 UInt64
{
get
{
UInt64 res = 0;
if (Native.Z3_get_numeral_uint64(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not a 64 bit unsigned");
return res;
}
}
/// <summary>
/// Retrieve the int value.
/// </summary>
public int Int
{
get
{
int res = 0;
if (Native.Z3_get_numeral_int(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not an int");
return res;
}
}
/// <summary>
/// Retrieve the 64-bit int value.
/// </summary>
public Int64 Int64
{
get
{
Int64 res = 0;
if (Native.Z3_get_numeral_int64(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not an int64");
return res;
}
}
/// <summary>
/// Retrieve the int value.
/// </summary>
public uint UInt
{
get
{
uint res = 0;
if (Native.Z3_get_numeral_uint(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not a uint");
return res;
}
}
#if !FRAMEWORK_LT_4
/// <summary>
/// Retrieve the BigInteger value.
/// </summary>
public BigInteger BigInteger
{
get
{
return BigInteger.Parse(this.ToString());
}
}
#endif
/// <summary>
/// Returns a string representation of the numeral.
/// </summary>
public override string ToString()
{
return Native.Z3_get_numeral_string(Context.nCtx, NativeObject);
}
}
/// <summary>
/// Rational Numerals
/// </summary>
[ContractVerification(true)]
public class RatNum : RealExpr
{
/// <summary>
/// The numerator of a rational numeral.
/// </summary>
public IntNum Numerator
{
get {
Contract.Ensures(Contract.Result<IntNum>() != null);
return new IntNum(Context, Native.Z3_get_numerator(Context.nCtx, NativeObject)); }
}
/// <summary>
/// The denominator of a rational numeral.
/// </summary>
public IntNum Denominator
{
get {
Contract.Ensures(Contract.Result<IntNum>() != null);
return new IntNum(Context, Native.Z3_get_denominator(Context.nCtx, NativeObject)); }
}
#if !FRAMEWORK_LT_4
/// <summary>
/// Converts the numerator of the rational to a BigInteger
/// </summary>
public BigInteger BigIntNumerator
{
get
{
IntNum n = Numerator;
return BigInteger.Parse(n.ToString());
}
}
/// <summary>
/// Converts the denominator of the rational to a BigInteger
/// </summary>
public BigInteger BigIntDenominator
{
get
{
IntNum n = Denominator;
return BigInteger.Parse(n.ToString());
}
}
#endif
/// <summary>
/// Returns a string representation in decimal notation.
/// </summary>
/// <remarks>The result has at most <paramref name="precision"/> decimal places.</remarks>
public string ToDecimalString(uint precision)
{
return Native.Z3_get_numeral_decimal_string(Context.nCtx, NativeObject, precision);
}
/// <summary>
/// Returns a string representation of the numeral.
/// </summary>
public override string ToString()
{
return Native.Z3_get_numeral_string(Context.nCtx, NativeObject);
}
#region Internal
internal RatNum(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
#endregion
}
/// <summary>
/// Bit-vector numerals
/// </summary>
[ContractVerification(true)]
public class BitVecNum : BitVecExpr
{
/// <summary>
/// Retrieve the 64-bit unsigned integer value.
/// </summary>
public UInt64 UInt64
{
get
{
UInt64 res = 0;
if (Native.Z3_get_numeral_uint64(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not a 64 bit unsigned");
return res;
}
}
/// <summary>
/// Retrieve the int value.
/// </summary>
public int Int
{
get
{
int res = 0;
if (Native.Z3_get_numeral_int(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not an int");
return res;
}
}
/// <summary>
/// Retrieve the 64-bit int value.
/// </summary>
public Int64 Int64
{
get
{
Int64 res = 0;
if (Native.Z3_get_numeral_int64(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not an int64");
return res;
}
}
/// <summary>
/// Retrieve the int value.
/// </summary>
public uint UInt
{
get
{
uint res = 0;
if (Native.Z3_get_numeral_uint(Context.nCtx, NativeObject, ref res) == 0)
throw new Z3Exception("Numeral is not a uint");
return res;
}
}
#if !FRAMEWORK_LT_4
/// <summary>
/// Retrieve the BigInteger value.
/// </summary>
public BigInteger BigInteger
{
get
{
return BigInteger.Parse(this.ToString());
}
}
#endif
/// <summary>
/// Returns a string representation of the numeral.
/// </summary>
public override string ToString()
{
return Native.Z3_get_numeral_string(Context.nCtx, NativeObject);
}
#region Internal
internal BitVecNum(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
#endregion
}
/// <summary>
/// Algebraic numbers
/// </summary>
[ContractVerification(true)]
public class AlgebraicNum : ArithExpr
{
/// <summary>
/// Return a upper bound for a given real algebraic number.
/// The interval isolating the number is smaller than 1/10^<paramref name="precision"/>.
/// <seealso cref="Expr.IsAlgebraicNumber"/>
/// </summary>
/// <param name="precision">the precision of the result</param>
/// <returns>A numeral Expr of sort Real</returns>
public RatNum ToUpper(uint precision)
{
Contract.Ensures(Contract.Result<RatNum>() != null);
return new RatNum(Context, Native.Z3_get_algebraic_number_upper(Context.nCtx, NativeObject, precision));
}
/// <summary>
/// Return a lower bound for the given real algebraic number.
/// The interval isolating the number is smaller than 1/10^<paramref name="precision"/>.
/// <seealso cref="Expr.IsAlgebraicNumber"/>
/// </summary>
/// <param name="precision"></param>
/// <returns>A numeral Expr of sort Real</returns>
public RatNum ToLower(uint precision)
{
Contract.Ensures(Contract.Result<RatNum>() != null);
return new RatNum(Context, Native.Z3_get_algebraic_number_lower(Context.nCtx, NativeObject, precision));
}
/// <summary>
/// Returns a string representation in decimal notation.
/// </summary>
/// <remarks>The result has at most <paramref name="precision"/> decimal places.</remarks>
public string ToDecimal(uint precision)
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_get_numeral_decimal_string(Context.nCtx, NativeObject, precision);
}
#region Internal
internal AlgebraicNum(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
#endregion
}
}

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Microsoft.Z3/ParamDescrs.cs Normal file
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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Parameter.cs
Abstract:
Z3 Managed API: Parameter Descriptions
Author:
Christoph Wintersteiger (cwinter) 2012-03-20
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// A ParameterSet represents a configuration in the form of Symbol/value pairs.
/// </summary>
[ContractVerification(true)]
public class ParamDescrs : Z3Object
{
/// <summary>
/// validate a set of parameters.
/// </summary>
public void Validate(Params p)
{
Contract.Requires(p != null);
Native.Z3_params_validate(Context.nCtx, p.NativeObject, NativeObject);
}
/// <summary>
/// Retrieve kind of parameter.
/// </summary>
public Z3_param_kind GetKind(Symbol name)
{
Contract.Requires(name != null);
return (Z3_param_kind)Native.Z3_param_descrs_get_kind(Context.nCtx, NativeObject, name.NativeObject);
}
/// <summary>
/// Retrieve all names of parameters.
/// </summary>
public Symbol[] Names
{
get
{
uint sz = Native.Z3_param_descrs_size(Context.nCtx, NativeObject);
Symbol[] names = new Symbol[sz];
for (uint i = 0; i < sz; ++i) {
names[i] = Symbol.Create(Context, Native.Z3_param_descrs_get_name(Context.nCtx, NativeObject, i));
}
return names;
}
}
#region Internal
internal ParamDescrs(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_param_descrs_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_param_descrs_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.ParamDescrs_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.ParamDescrs_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Parameter.cs
Abstract:
Z3 Managed API: Parameters
Author:
Christoph Wintersteiger (cwinter) 2012-03-20
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// A ParameterSet represents a configuration in the form of Symbol/value pairs.
/// </summary>
[ContractVerification(true)]
public class Params : Z3Object
{
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(Symbol name, bool value)
{
Contract.Requires(name != null);
Native.Z3_params_set_bool(Context.nCtx, NativeObject, name.NativeObject, (value) ? 1 : 0);
}
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(Symbol name, uint value)
{
Contract.Requires(name != null);
Native.Z3_params_set_uint(Context.nCtx, NativeObject, name.NativeObject, value);
}
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(Symbol name, double value)
{
Contract.Requires(name != null);
Native.Z3_params_set_double(Context.nCtx, NativeObject, name.NativeObject, value);
}
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(Symbol name, Symbol value)
{
Contract.Requires(name != null);
Contract.Requires(value != null);
Native.Z3_params_set_symbol(Context.nCtx, NativeObject, name.NativeObject, value.NativeObject);
}
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(string name, bool value)
{
Native.Z3_params_set_bool(Context.nCtx, NativeObject, Context.MkSymbol(name).NativeObject, (value) ? 1 : 0);
}
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(string name, uint value)
{
Native.Z3_params_set_uint(Context.nCtx, NativeObject, Context.MkSymbol(name).NativeObject, value);
}
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(string name, double value)
{
Native.Z3_params_set_double(Context.nCtx, NativeObject, Context.MkSymbol(name).NativeObject, value);
}
/// <summary>
/// Adds a parameter setting.
/// </summary>
public void Add(string name, Symbol value)
{
Contract.Requires(value != null);
Native.Z3_params_set_symbol(Context.nCtx, NativeObject, Context.MkSymbol(name).NativeObject, value.NativeObject);
}
/// <summary>
/// A string representation of the parameter set.
/// </summary>
public override string ToString()
{
return Native.Z3_params_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal Params(Context ctx)
: base(ctx, Native.Z3_mk_params(ctx.nCtx))
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_params_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_params_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Params_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Params_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Pattern.cs
Abstract:
Z3 Managed API: Patterns
Author:
Christoph Wintersteiger (cwinter) 2012-03-16
Notes:
--*/
using System;
using System.Runtime.InteropServices;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Patterns comprise a list of terms. The list should be
/// non-empty. If the list comprises of more than one term, it is
/// also called a multi-pattern.
/// </summary>
[ContractVerification(true)]
public class Pattern : AST
{
/// <summary>
/// The number of terms in the pattern.
/// </summary>
public uint NumTerms
{
get { return Native.Z3_get_pattern_num_terms(Context.nCtx, NativeObject); }
}
/// <summary>
/// The terms in the pattern.
/// </summary>
public Expr[] Terms
{
get
{
Contract.Ensures(Contract.Result<Expr[]>() != null);
uint n = NumTerms;
Expr[] res = new Expr[n];
for (uint i = 0; i < n; i++)
res[i] = Expr.Create(Context, Native.Z3_get_pattern(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// A string representation of the pattern.
/// </summary>
public override string ToString()
{
return Native.Z3_pattern_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal Pattern(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Probe.cs
Abstract:
Z3 Managed API: Probes
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Runtime.InteropServices;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Probes are used to inspect a goal (aka problem) and collect information that may be used to decide
/// which solver and/or preprocessing step will be used.
/// The complete list of probes may be obtained using the procedures <c>Context.NumProbes</c>
/// and <c>Context.ProbeNames</c>.
/// It may also be obtained using the command <c>(help-tactics)</c> in the SMT 2.0 front-end.
/// </summary>
[ContractVerification(true)]
public class Probe : Z3Object
{
/// <summary>
/// Execute the probe over the goal.
/// </summary>
/// <returns>A probe always produce a double value.
/// "Boolean" probes return 0.0 for false, and a value different from 0.0 for true.</returns>
public double Apply(Goal g)
{
Contract.Requires(g != null);
Context.CheckContextMatch(g);
return Native.Z3_probe_apply(Context.nCtx, NativeObject, g.NativeObject);
}
/// <summary>
/// Apply the probe to a goal.
/// </summary>
public double this[Goal g] { get {
Contract.Requires(g != null);
return Apply(g); } }
#region Internal
internal Probe(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal Probe(Context ctx, string name)
: base(ctx, Native.Z3_mk_probe(ctx.nCtx, name))
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_probe_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_probe_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Probe_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Probe_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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using System;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security.Permissions;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("Z3 .NET Interface")]
[assembly: AssemblyDescription(".NET Interface to the Z3 Theorem Prover")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyProduct("Z3")]
[assembly: AssemblyCopyright("Copyright © Microsoft Corporation 2006")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("4853ed71-2078-40f4-8117-bc46646bce0e")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("4.2.0.0")]
[assembly: AssemblyVersion("4.2.0.0")]
[assembly: AssemblyFileVersion("4.2.0.0")]

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Quantifier.cs
Abstract:
Z3 Managed API: Quantifiers
Author:
Christoph Wintersteiger (cwinter) 2012-03-19
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Quantifier expressions.
/// </summary>
[ContractVerification(true)]
public class Quantifier : BoolExpr
{
/// <summary>
/// Indicates whether the quantifier is universal.
/// </summary>
public bool IsUniversal
{
get { return Native.Z3_is_quantifier_forall(Context.nCtx, NativeObject) != 0; }
}
/// <summary>
/// Indicates whether the quantifier is existential.
/// </summary>
public bool IsExistential
{
get { return !IsUniversal; }
}
/// <summary>
/// The weight of the quantifier.
/// </summary>
public uint Weight
{
get { return Native.Z3_get_quantifier_weight(Context.nCtx, NativeObject); }
}
/// <summary>
/// The number of patterns.
/// </summary>
public uint NumPatterns
{
get { return Native.Z3_get_quantifier_num_patterns(Context.nCtx, NativeObject); }
}
/// <summary>
/// The patterns.
/// </summary>
public Pattern[] Patterns
{
get
{
Contract.Ensures(Contract.Result<Pattern[]>() != null);
uint n = NumPatterns;
Pattern[] res = new Pattern[n];
for (uint i = 0; i < n; i++)
res[i] = new Pattern(Context, Native.Z3_get_quantifier_pattern_ast(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The number of no-patterns.
/// </summary>
public uint NumNoPatterns
{
get { return Native.Z3_get_quantifier_num_no_patterns(Context.nCtx, NativeObject); }
}
/// <summary>
/// The no-patterns.
/// </summary>
public Pattern[] NoPatterns
{
get
{
Contract.Ensures(Contract.Result<Pattern[]>() != null);
uint n = NumNoPatterns;
Pattern[] res = new Pattern[n];
for (uint i = 0; i < n; i++)
res[i] = new Pattern(Context, Native.Z3_get_quantifier_no_pattern_ast(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The number of bound variables.
/// </summary>
public uint NumBound
{
get { return Native.Z3_get_quantifier_num_bound(Context.nCtx, NativeObject); }
}
/// <summary>
/// The symbols for the bound variables.
/// </summary>
public Symbol[] BoundVariableNames
{
get
{
Contract.Ensures(Contract.Result<Symbol[]>() != null);
uint n = NumBound;
Symbol[] res = new Symbol[n];
for (uint i = 0; i < n; i++)
res[i] = Symbol.Create(Context, Native.Z3_get_quantifier_bound_name(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The sorts of the bound variables.
/// </summary>
public Sort[] BoundVariableSorts
{
get
{
Contract.Ensures(Contract.Result<Sort[]>() != null);
uint n = NumBound;
Sort[] res = new Sort[n];
for (uint i = 0; i < n; i++)
res[i] = Sort.Create(Context, Native.Z3_get_quantifier_bound_sort(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The body of the quantifier.
/// </summary>
public BoolExpr Body
{
get {
Contract.Ensures(Contract.Result<BoolExpr>() != null);
return new BoolExpr(Context, Native.Z3_get_quantifier_body(Context.nCtx, NativeObject)); }
}
#region Internal
[ContractVerification(false)] // F: Clousot ForAll decompilation gets confused below. Setting verification off until I fixed the bug
internal Quantifier(Context ctx, bool isForall, Sort[] sorts, Symbol[] names, Expr body,
uint weight = 1, Pattern[] patterns = null, Expr[] noPatterns = null,
Symbol quantifierID = null, Symbol skolemID = null
)
: base(ctx)
{
Contract.Requires(ctx != null);
Contract.Requires(sorts != null);
Contract.Requires(names != null);
Contract.Requires(body != null);
Contract.Requires(sorts.Length == names.Length);
Contract.Requires(Contract.ForAll(sorts, s => s != null));
Contract.Requires(Contract.ForAll(names, n => n != null));
Contract.Requires(patterns == null || Contract.ForAll(patterns, p => p != null));
Contract.Requires(noPatterns == null || Contract.ForAll(noPatterns, np => np != null));
Context.CheckContextMatch(patterns);
Context.CheckContextMatch(noPatterns);
Context.CheckContextMatch(sorts);
Context.CheckContextMatch(names);
Context.CheckContextMatch(body);
if (sorts.Length != names.Length)
throw new Z3Exception("Number of sorts does not match number of names");
IntPtr[] _patterns = AST.ArrayToNative(patterns);
if (noPatterns == null && quantifierID == null && skolemID == null)
{
NativeObject = Native.Z3_mk_quantifier(ctx.nCtx, (isForall) ? 1 : 0, weight,
AST.ArrayLength(patterns), AST.ArrayToNative(patterns),
AST.ArrayLength(sorts), AST.ArrayToNative(sorts),
Symbol.ArrayToNative(names),
body.NativeObject);
}
else
{
NativeObject = Native.Z3_mk_quantifier_ex(ctx.nCtx, (isForall) ? 1 : 0, weight,
AST.GetNativeObject(quantifierID), AST.GetNativeObject(skolemID),
AST.ArrayLength(patterns), AST.ArrayToNative(patterns),
AST.ArrayLength(noPatterns), AST.ArrayToNative(noPatterns),
AST.ArrayLength(sorts), AST.ArrayToNative(sorts),
Symbol.ArrayToNative(names),
body.NativeObject);
}
}
[ContractVerification(false)] // F: Clousot ForAll decompilation gets confused below. Setting verification off until I fixed the bug
internal Quantifier(Context ctx, bool isForall, Expr[] bound, Expr body,
uint weight = 1, Pattern[] patterns = null, Expr[] noPatterns = null,
Symbol quantifierID = null, Symbol skolemID = null
)
: base(ctx)
{
Contract.Requires(ctx != null);
Contract.Requires(body != null);
Contract.Requires(patterns == null || Contract.ForAll(patterns, p => p != null));
Contract.Requires(noPatterns == null || Contract.ForAll(noPatterns, np => np != null));
Contract.Requires(bound == null || Contract.ForAll(bound, n => n != null));
Context.CheckContextMatch(noPatterns);
Context.CheckContextMatch(patterns);
//Context.CheckContextMatch(bound);
Context.CheckContextMatch(body);
if (noPatterns == null && quantifierID == null && skolemID == null)
{
NativeObject = Native.Z3_mk_quantifier_const(ctx.nCtx, (isForall) ? 1 : 0, weight,
AST.ArrayLength(bound), AST.ArrayToNative(bound),
AST.ArrayLength(patterns), AST.ArrayToNative(patterns),
body.NativeObject);
}
else
{
NativeObject = Native.Z3_mk_quantifier_const_ex(ctx.nCtx, (isForall) ? 1 : 0, weight,
AST.GetNativeObject(quantifierID), AST.GetNativeObject(skolemID),
AST.ArrayLength(bound), AST.ArrayToNative(bound),
AST.ArrayLength(patterns), AST.ArrayToNative(patterns),
AST.ArrayLength(noPatterns), AST.ArrayToNative(noPatterns),
body.NativeObject);
}
}
internal Quantifier(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
#if DEBUG
internal override void CheckNativeObject(IntPtr obj)
{
if ((Z3_ast_kind)Native.Z3_get_ast_kind(Context.nCtx, obj) != Z3_ast_kind.Z3_QUANTIFIER_AST)
throw new Z3Exception("Underlying object is not a quantifier");
base.CheckNativeObject(obj);
}
#endif
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Solver.cs
Abstract:
Z3 Managed API: Solvers
Author:
Christoph Wintersteiger (cwinter) 2012-03-22
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Solvers.
/// </summary>
[ContractVerification(true)]
public class Solver : Z3Object
{
/// <summary>
/// A string that describes all available solver parameters.
/// </summary>
public string Help
{
get {
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_solver_get_help(Context.nCtx, NativeObject); }
}
/// <summary>
/// Sets the solver parameters.
/// </summary>
public Params Parameters
{
set
{
Contract.Requires(value != null);
Context.CheckContextMatch(value);
Native.Z3_solver_set_params(Context.nCtx, NativeObject, value.NativeObject);
}
}
/// <summary>
/// Retrieves parameter descriptions for solver.
/// </summary>
ParamDescrs ParameterDescriptions
{
get
{
return new ParamDescrs(Context, Native.Z3_solver_get_param_descrs(Context.nCtx, NativeObject));
}
}
/// <summary>
/// The current number of backtracking points (scopes).
/// </summary>
/// <seealso cref="Pop"/>
/// <seealso cref="Push"/>
public uint NumScopes
{
get { return Native.Z3_solver_get_num_scopes(Context.nCtx, NativeObject); }
}
/// <summary>
/// Creates a backtracking point.
/// </summary>
/// <seealso cref="Pop"/>
public void Push()
{
Native.Z3_solver_push(Context.nCtx, NativeObject);
}
/// <summary>
/// Backtracks <paramref name="n"/> backtracking points.
/// </summary>
/// <remarks>Note that an exception is thrown if <paramref name="n"/> is not smaller than <c>NumScopes</c></remarks>
/// <seealso cref="Push"/>
public void Pop(uint n = 1)
{
Native.Z3_solver_pop(Context.nCtx, NativeObject, n);
}
/// <summary>
/// Resets the Solver.
/// </summary>
/// <remarks>This removes all assertions from the solver.</remarks>
public void Reset()
{
Native.Z3_solver_reset(Context.nCtx, NativeObject);
}
/// <summary>
/// Assert a constraint (or multiple) into the solver.
/// </summary>
public void Assert(params BoolExpr[] constraints)
{
Contract.Requires(constraints != null);
Contract.Requires(Contract.ForAll(constraints, c => c != null));
Context.CheckContextMatch(constraints);
foreach (BoolExpr a in constraints)
{
Native.Z3_solver_assert(Context.nCtx, NativeObject, a.NativeObject);
}
}
/// <summary>
/// The number of assertions in the solver.
/// </summary>
public uint NumAssertions
{
get
{
ASTVector ass = new ASTVector(Context, Native.Z3_solver_get_assertions(Context.nCtx, NativeObject));
return ass.Size;
}
}
/// <summary>
/// The set of asserted formulas.
/// </summary>
public BoolExpr[] Assertions
{
get
{
Contract.Ensures(Contract.Result<BoolExpr[]>() != null);
ASTVector ass = new ASTVector(Context, Native.Z3_solver_get_assertions(Context.nCtx, NativeObject));
uint n = ass.Size;
BoolExpr[] res = new BoolExpr[n];
for (uint i = 0; i < n; i++)
res[i] = new BoolExpr(Context, ass[i].NativeObject);
return res;
}
}
/// <summary>
/// Checks whether the assertions in the solver are consistent or not.
/// </summary>
/// <remarks>
/// <seealso cref="Model"/>
/// <seealso cref="UnsatCore"/>
/// <seealso cref="Proof"/>
/// </remarks>
public Status Check(params Expr[] assumptions)
{
Z3_lbool r;
if (assumptions == null)
r = (Z3_lbool)Native.Z3_solver_check(Context.nCtx, NativeObject);
else
r = (Z3_lbool)Native.Z3_solver_check_assumptions(Context.nCtx, NativeObject, (uint)assumptions.Length, AST.ArrayToNative(assumptions));
switch (r)
{
case Z3_lbool.Z3_L_TRUE: return Status.SATISFIABLE;
case Z3_lbool.Z3_L_FALSE: return Status.UNSATISFIABLE;
default: return Status.UNKNOWN;
}
}
/// <summary>
/// The model of the last <c>Check</c>.
/// </summary>
/// <remarks>
/// The result is <c>null</c> if <c>Check</c> was not invoked before,
/// if its results was not <c>SATISFIABLE</c>, or if model production is not enabled.
/// </remarks>
public Model Model
{
get
{
IntPtr x = Native.Z3_solver_get_model(Context.nCtx, NativeObject);
if (x == IntPtr.Zero)
return null;
else
return new Model(Context, x);
}
}
/// <summary>
/// The proof of the last <c>Check</c>.
/// </summary>
/// <remarks>
/// The result is <c>null</c> if <c>Check</c> was not invoked before,
/// if its results was not <c>UNSATISFIABLE</c>, or if proof production is disabled.
/// </remarks>
public Expr Proof
{
get
{
IntPtr x = Native.Z3_solver_get_proof(Context.nCtx, NativeObject);
if (x == IntPtr.Zero)
return null;
else
return Expr.Create(Context, x);
}
}
/// <summary>
/// The unsat core of the last <c>Check</c>.
/// </summary>
/// <remarks>
/// The unsat core is a subset of <c>Assertions</c>
/// The result is empty if <c>Check</c> was not invoked before,
/// if its results was not <c>UNSATISFIABLE</c>, or if core production is disabled.
/// </remarks>
public Expr[] UnsatCore
{
get
{
Contract.Ensures(Contract.Result<Expr[]>() != null);
ASTVector core = new ASTVector(Context, Native.Z3_solver_get_unsat_core(Context.nCtx, NativeObject));
uint n = core.Size;
Expr[] res = new Expr[n];
for (uint i = 0; i < n; i++)
res[i] = Expr.Create(Context, core[i].NativeObject);
return res;
}
}
/// <summary>
/// A brief justification of why the last call to <c>Check</c> returned <c>UNKNOWN</c>.
/// </summary>
public string ReasonUnknown
{
get
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_solver_get_reason_unknown(Context.nCtx, NativeObject);
}
}
/// <summary>
/// Solver statistics.
/// </summary>
public Statistics Statistics
{
get {
Contract.Ensures(Contract.Result<Statistics>() != null);
return new Statistics(Context, Native.Z3_solver_get_statistics(Context.nCtx, NativeObject)); }
}
/// <summary>
/// A string representation of the solver.
/// </summary>
public override string ToString()
{
return Native.Z3_solver_to_string(Context.nCtx, NativeObject);
}
#region Internal
internal Solver(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_solver_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_solver_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Solver_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Solver_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Sort.cs
Abstract:
Z3 Managed API: Sorts
Author:
Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// The Sort class implements type information for ASTs.
/// </summary>
[ContractVerification(true)]
public class Sort : AST
{
/// <summary>
/// Comparison operator.
/// </summary>
/// <param name="a">A Sort</param>
/// <param name="b">A Sort</param>
/// <returns>True if <paramref name="a"/> and <paramref name="b"/> are from the same context
/// and represent the same sort; false otherwise.</returns>
public static bool operator ==(Sort a, Sort b)
{
return Object.ReferenceEquals(a, b) ||
(!Object.ReferenceEquals(a, null) &&
!Object.ReferenceEquals(b, null) &&
a.Context == b.Context &&
Native.Z3_is_eq_sort(a.Context.nCtx, a.NativeObject, b.NativeObject) != 0);
}
/// <summary>
/// Comparison operator.
/// </summary>
/// <param name="a">A Sort</param>
/// <param name="b">A Sort</param>
/// <returns>True if <paramref name="a"/> and <paramref name="b"/> are not from the same context
/// or represent different sorts; false otherwise.</returns>
public static bool operator !=(Sort a, Sort b)
{
return !(a == b);
}
/// <summary>
/// Equality operator for objects of type Sort.
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public override bool Equals(object o)
{
Sort casted = o as Sort;
if (casted == null) return false;
return this == casted;
}
/// <summary>
/// Hash code generation for Sorts
/// </summary>
/// <returns>A hash code</returns>
public override int GetHashCode()
{
return base.GetHashCode();
}
/// <summary>
/// Returns a unique identifier for the sort.
/// </summary>
new public uint Id
{
get { return Native.Z3_get_sort_id(Context.nCtx, NativeObject); }
}
/// <summary>
/// The kind of the sort.
/// </summary>
public Z3_sort_kind SortKind
{
get { return (Z3_sort_kind)Native.Z3_get_sort_kind(Context.nCtx, NativeObject); }
}
/// <summary>
/// The name of the sort
/// </summary>
public Symbol Name
{
get {
Contract.Ensures(Contract.Result<Symbol>() != null);
return Symbol.Create(Context, Native.Z3_get_sort_name(Context.nCtx, NativeObject)); }
}
/// <summary>
/// A string representation of the sort.
/// </summary>
public override string ToString()
{
return Native.Z3_sort_to_string(Context.nCtx, NativeObject);
}
#region Internal
/// <summary>
/// Sort constructor
/// </summary>
internal protected Sort(Context ctx) : base(ctx) { Contract.Requires(ctx != null); }
internal Sort(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
#if DEBUG
internal override void CheckNativeObject(IntPtr obj)
{
if (Native.Z3_get_ast_kind(Context.nCtx, obj) != (uint)Z3_ast_kind.Z3_SORT_AST)
throw new Z3Exception("Underlying object is not a sort");
base.CheckNativeObject(obj);
}
#endif
[ContractVerification(true)]
new internal static Sort Create(Context ctx, IntPtr obj)
{
Contract.Requires(ctx != null);
Contract.Ensures(Contract.Result<Sort>() != null);
switch ((Z3_sort_kind)Native.Z3_get_sort_kind(ctx.nCtx, obj))
{
case Z3_sort_kind.Z3_ARRAY_SORT: return new ArraySort(ctx, obj);
case Z3_sort_kind.Z3_BOOL_SORT: return new BoolSort(ctx, obj);
case Z3_sort_kind.Z3_BV_SORT: return new BitVecSort(ctx, obj);
case Z3_sort_kind.Z3_DATATYPE_SORT: return new DatatypeSort(ctx, obj);
case Z3_sort_kind.Z3_INT_SORT: return new IntSort(ctx, obj);
case Z3_sort_kind.Z3_REAL_SORT: return new RealSort(ctx, obj);
case Z3_sort_kind.Z3_UNINTERPRETED_SORT: return new UninterpretedSort(ctx, obj);
case Z3_sort_kind.Z3_FINITE_DOMAIN_SORT: return new FiniteDomainSort(ctx, obj);
case Z3_sort_kind.Z3_RELATION_SORT: return new RelationSort(ctx, obj);
default:
throw new Z3Exception("Unknown sort kind");
}
}
#endregion
}
/// <summary>
/// A Boolean sort.
/// </summary>
public class BoolSort : Sort
{
#region Internal
internal BoolSort(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal BoolSort(Context ctx) : base(ctx, Native.Z3_mk_bool_sort(ctx.nCtx)) { Contract.Requires(ctx != null); }
#endregion
};
/// <summary>
/// An arithmetic sort, i.e., Int or Real.
/// </summary>
public class ArithSort : Sort
{
#region Internal
internal ArithSort(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
#endregion
};
/// <summary>
/// An Integer sort
/// </summary>
public class IntSort : ArithSort
{
#region Internal
internal IntSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal IntSort(Context ctx)
: base(ctx, Native.Z3_mk_int_sort(ctx.nCtx))
{
Contract.Requires(ctx != null);
}
#endregion
}
/// <summary>
/// A real sort
/// </summary>
public class RealSort : ArithSort
{
#region Internal
internal RealSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal RealSort(Context ctx)
: base(ctx, Native.Z3_mk_real_sort(ctx.nCtx))
{
Contract.Requires(ctx != null);
}
#endregion
}
/// <summary>
/// Bit-vector sorts.
/// </summary>
public class BitVecSort : Sort
{
/// <summary>
/// The size of the bit-vector sort.
/// </summary>
public uint Size
{
get { return Native.Z3_get_bv_sort_size(Context.nCtx, NativeObject); }
}
#region Internal
internal BitVecSort(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal BitVecSort(Context ctx, uint size) : base(ctx, Native.Z3_mk_bv_sort(ctx.nCtx, size)) { Contract.Requires(ctx != null); }
#endregion
};
/// <summary>
/// Array sorts.
/// </summary>
[ContractVerification(true)]
public class ArraySort : Sort
{
/// <summary>
/// The domain of the array sort.
/// </summary>
public Sort Domain
{
get {
Contract.Ensures(Contract.Result<Sort>() != null);
return Sort.Create(Context, Native.Z3_get_array_sort_domain(Context.nCtx, NativeObject)); }
}
/// <summary>
/// The range of the array sort.
/// </summary>
public Sort Range
{
get {
Contract.Ensures(Contract.Result<Sort>() != null);
return Sort.Create(Context, Native.Z3_get_array_sort_range(Context.nCtx, NativeObject)); }
}
#region Internal
internal ArraySort(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal ArraySort(Context ctx, Sort domain, Sort range)
: base(ctx, Native.Z3_mk_array_sort(ctx.nCtx, domain.NativeObject, range.NativeObject))
{
Contract.Requires(ctx != null);
Contract.Requires(domain != null);
Contract.Requires(range != null);
}
#endregion
};
/// <summary>
/// Datatype sorts.
/// </summary>
[ContractVerification(true)]
public class DatatypeSort : Sort
{
/// <summary>
/// The number of constructors of the datatype sort.
/// </summary>
public uint NumConstructors
{
get { return Native.Z3_get_datatype_sort_num_constructors(Context.nCtx, NativeObject); }
}
/// <summary>
/// The constructors.
/// </summary>
public FuncDecl[] Constructors
{
get
{
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
uint n = NumConstructors;
FuncDecl[] res = new FuncDecl[n];
for (uint i = 0; i < n; i++)
res[i] = new FuncDecl(Context, Native.Z3_get_datatype_sort_constructor(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The recognizers.
/// </summary>
public FuncDecl[] Recognizers
{
get
{
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
uint n = NumConstructors;
FuncDecl[] res = new FuncDecl[n];
for (uint i = 0; i < n; i++)
res[i] = new FuncDecl(Context, Native.Z3_get_datatype_sort_recognizer(Context.nCtx, NativeObject, i));
return res;
}
}
/// <summary>
/// The constructor accessors.
/// </summary>
public FuncDecl[][] Accessors
{
get
{
Contract.Ensures(Contract.Result<FuncDecl[][]>() != null);
uint n = NumConstructors;
FuncDecl[][] res = new FuncDecl[n][];
for (uint i = 0; i < n; i++)
{
FuncDecl fd = new FuncDecl(Context, Native.Z3_get_datatype_sort_constructor(Context.nCtx, NativeObject, i));
uint ds = fd.DomainSize;
FuncDecl[] tmp = new FuncDecl[ds];
for (uint j = 0; j < ds; j++)
tmp[j] = new FuncDecl(Context, Native.Z3_get_datatype_sort_constructor_accessor(Context.nCtx, NativeObject, i, j));
res[i] = tmp;
}
return res;
}
}
#region Internal
internal DatatypeSort(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
internal DatatypeSort(Context ctx, Symbol name, Constructor[] constructors)
: base(ctx, Native.Z3_mk_datatype(ctx.nCtx, name.NativeObject, (uint)constructors.Length, ArrayToNative(constructors)))
{
Contract.Requires(ctx != null);
Contract.Requires(name != null);
Contract.Requires(constructors != null);
}
#endregion
};
/// <summary>
/// Uninterpreted Sorts
/// </summary>
public class UninterpretedSort : Sort
{
#region Internal
internal UninterpretedSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal UninterpretedSort(Context ctx, Symbol s)
: base(ctx, Native.Z3_mk_uninterpreted_sort(ctx.nCtx, s.NativeObject))
{
Contract.Requires(ctx != null);
Contract.Requires(s != null);
}
#endregion
}
/// <summary>
/// Tuple sorts.
/// </summary>
[ContractVerification(true)]
public class TupleSort : Sort
{
/// <summary>
/// The constructor function of the tuple.
/// </summary>
public FuncDecl MkDecl
{
get {
Contract.Ensures(Contract.Result<FuncDecl>() != null);
return new FuncDecl(Context, Native.Z3_get_tuple_sort_mk_decl(Context.nCtx, NativeObject)); }
}
/// <summary>
/// The number of fields in the tuple.
/// </summary>
public uint NumFields
{
get { return Native.Z3_get_tuple_sort_num_fields(Context.nCtx, NativeObject); }
}
/// <summary>
/// The field declarations.
/// </summary>
public FuncDecl[] FieldDecls
{
get
{
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
uint n = NumFields;
FuncDecl[] res = new FuncDecl[n];
for (uint i = 0; i < n; i++)
res[i] = new FuncDecl(Context, Native.Z3_get_tuple_sort_field_decl(Context.nCtx, NativeObject, i));
return res;
}
}
#region Internal
internal TupleSort(Context ctx, Symbol name, uint numFields, Symbol[] fieldNames, Sort[] fieldSorts)
: base(ctx)
{
Contract.Requires(ctx != null);
Contract.Requires(name != null);
IntPtr t = IntPtr.Zero;
NativeObject = Native.Z3_mk_tuple_sort(ctx.nCtx, name.NativeObject, numFields,
Symbol.ArrayToNative(fieldNames), AST.ArrayToNative(fieldSorts),
ref t, new IntPtr[numFields]);
}
#endregion
};
/// <summary>
/// Enumeration sorts.
/// </summary>
[ContractVerification(true)]
public class EnumSort : Sort
{
/// <summary>
/// The function declarations of the constants in the enumeration.
/// </summary>
public FuncDecl[] ConstDecls
{
get {
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
return _constdecls; }
}
/// <summary>
/// The constants in the enumeration.
/// </summary>
public Expr[] Consts
{
get {
Contract.Ensures(Contract.Result<Expr[]>() != null);
return _consts; }
}
/// <summary>
/// The test predicates for the constants in the enumeration.
/// </summary>
public FuncDecl[] TesterDecls
{
get {
Contract.Ensures(Contract.Result<FuncDecl[]>() != null);
return _testerdecls;
}
}
#region Object Invariant
[ContractInvariantMethod]
private void ObjectInvariant()
{
Contract.Invariant(this._constdecls != null);
Contract.Invariant(this._testerdecls != null);
Contract.Invariant(this._consts != null);
}
#endregion
#region Internal
readonly private FuncDecl[] _constdecls = null, _testerdecls = null;
readonly private Expr[] _consts = null;
internal EnumSort(Context ctx, Symbol name, Symbol[] enumNames)
: base(ctx)
{
Contract.Requires(ctx != null);
Contract.Requires(name != null);
Contract.Requires(enumNames != null);
int n = enumNames.Length;
IntPtr[] n_constdecls = new IntPtr[n];
IntPtr[] n_testers = new IntPtr[n];
NativeObject = Native.Z3_mk_enumeration_sort(ctx.nCtx, name.NativeObject, (uint)n,
Symbol.ArrayToNative(enumNames), n_constdecls, n_testers);
_constdecls = new FuncDecl[n];
for (uint i = 0; i < n; i++)
_constdecls[i] = new FuncDecl(ctx, n_constdecls[i]);
_testerdecls = new FuncDecl[n];
for (uint i = 0; i < n; i++)
_testerdecls[i] = new FuncDecl(ctx, n_testers[i]);
_consts = new Expr[n];
for (uint i = 0; i < n; i++)
_consts[i] = ctx.MkApp(_constdecls[i]);
}
#endregion
};
/// <summary>
/// List sorts.
/// </summary>
[ContractVerification(true)]
public class ListSort : Sort
{
/// <summary>
/// The declaration of the nil function of this list sort.
/// </summary>
public FuncDecl NilDecl { get {
Contract.Ensures(Contract.Result<FuncDecl>() != null);
return nilDecl; } }
/// <summary>
/// The empty list.
/// </summary>
public Expr Nil
{
get
{
Contract.Ensures(Contract.Result<Expr>() != null);
return nilConst;
}
}
/// <summary>
/// The declaration of the isNil function of this list sort.
/// </summary>
public FuncDecl IsNilDecl
{
get
{
Contract.Ensures(Contract.Result<FuncDecl>() != null);
return isNilDecl;
}
}
/// <summary>
/// The declaration of the cons function of this list sort.
/// </summary>
public FuncDecl ConsDecl
{
get
{
Contract.Ensures(Contract.Result<FuncDecl>() != null);
return consDecl;
}
}
/// <summary>
/// The declaration of the isCons function of this list sort.
/// </summary>
///
public FuncDecl IsConsDecl
{
get
{
Contract.Ensures(Contract.Result<FuncDecl>() != null);
return isConsDecl;
}
}
/// <summary>
/// The declaration of the head function of this list sort.
/// </summary>
public FuncDecl HeadDecl
{
get
{
Contract.Ensures(Contract.Result<FuncDecl>() != null);
return headDecl;
}
}
/// <summary>
/// The declaration of the tail function of this list sort.
/// </summary>
public FuncDecl TailDecl
{
get
{
Contract.Ensures(Contract.Result<FuncDecl>() != null);
return tailDecl;
}
}
#region Object Invariant
[ContractInvariantMethod]
private void ObjectInvariant()
{
Contract.Invariant(nilConst != null);
Contract.Invariant(nilDecl != null);
Contract.Invariant(isNilDecl != null);
Contract.Invariant(consDecl != null);
Contract.Invariant(isConsDecl != null);
Contract.Invariant(headDecl != null);
Contract.Invariant(tailDecl != null);
}
#endregion
#region Internal
readonly private FuncDecl nilDecl, isNilDecl, consDecl, isConsDecl, headDecl, tailDecl;
readonly private Expr nilConst;
internal ListSort(Context ctx, Symbol name, Sort elemSort)
: base(ctx)
{
Contract.Requires(ctx != null);
Contract.Requires(name != null);
Contract.Requires(elemSort != null);
IntPtr inil = IntPtr.Zero,
iisnil = IntPtr.Zero,
icons = IntPtr.Zero,
iiscons = IntPtr.Zero,
ihead = IntPtr.Zero,
itail = IntPtr.Zero;
NativeObject = Native.Z3_mk_list_sort(ctx.nCtx, name.NativeObject, elemSort.NativeObject,
ref inil, ref iisnil, ref icons, ref iiscons, ref ihead, ref itail);
nilDecl = new FuncDecl(ctx, inil);
isNilDecl = new FuncDecl(ctx, iisnil);
consDecl = new FuncDecl(ctx, icons);
isConsDecl = new FuncDecl(ctx, iiscons);
headDecl = new FuncDecl(ctx, ihead);
tailDecl = new FuncDecl(ctx, itail);
nilConst = ctx.MkConst(nilDecl);
}
#endregion
};
/// <summary>
/// Relation sorts.
/// </summary>
[ContractVerification(true)]
public class RelationSort : Sort
{
/// <summary>
/// The arity of the relation sort.
/// </summary>
public uint Arity
{
get { return Native.Z3_get_relation_arity(Context.nCtx, NativeObject); }
}
/// <summary>
/// The sorts of the columns of the relation sort.
/// </summary>
public Sort[] ColumnSorts
{
get
{
Contract.Ensures(Contract.Result<Sort[]>() != null);
if (m_columnSorts != null)
return m_columnSorts;
uint n = Arity;
Sort[] res = new Sort[n];
for (uint i = 0; i < n; i++)
res[i] = Sort.Create(Context, Native.Z3_get_relation_column(Context.nCtx, NativeObject, i));
return res;
}
}
#region Internal
private Sort[] m_columnSorts = null;
internal RelationSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
#endregion
}
/// <summary>
/// Finite domain sorts.
/// </summary>
[ContractVerification(true)]
public class FiniteDomainSort : Sort
{
/// <summary>
/// The size of the finite domain sort.
/// </summary>
public ulong Size
{
get { ulong res = 0; Native.Z3_get_finite_domain_sort_size(Context.nCtx, NativeObject, ref res); return res; }
}
#region Internal
internal FiniteDomainSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal FiniteDomainSort(Context ctx, Symbol name, ulong size)
: base(ctx, Native.Z3_mk_finite_domain_sort(ctx.nCtx, name.NativeObject, size))
{
Contract.Requires(ctx != null);
Contract.Requires(name != null);
}
#endregion
}
/// <summary>
/// Set sorts.
/// </summary>
[ContractVerification(true)]
public class SetSort : Sort
{
#region Internal
internal SetSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal SetSort(Context ctx, Sort ty)
: base(ctx, Native.Z3_mk_set_sort(ctx.nCtx, ty.NativeObject))
{
Contract.Requires(ctx != null);
Contract.Requires(ty != null);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Statistics.cs
Abstract:
Z3 Managed API: Statistics
Author:
Christoph Wintersteiger (cwinter) 2012-03-22
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Objects of this class track statistical information about solvers.
/// </summary>
[ContractVerification(true)]
public class Statistics : Z3Object
{
/// <summary>
/// Statistical data is organized into pairs of [Key, Entry], where every
/// Entry is either a <c>DoubleEntry</c> or a <c>UIntEntry</c>
/// </summary>
public class Entry
{
/// <summary>
/// The key of the entry.
/// </summary>
readonly public string Key;
/// <summary>
/// The uint-value of the entry.
/// </summary>
public uint UIntValue { get { return m_uint; } }
/// <summary>
/// The double-value of the entry.
/// </summary>
public double DoubleValue { get { return m_double; } }
/// <summary>
/// True if the entry is uint-valued.
/// </summary>
public bool IsUInt { get { return m_is_uint; } }
/// <summary>
/// True if the entry is double-valued.
/// </summary>
public bool IsDouble { get { return m_is_double; } }
/// <summary>
/// The string representation of the the entry's value.
/// </summary>
public string Value
{
get
{
Contract.Ensures(Contract.Result<string>() != null);
if (IsUInt)
return m_uint.ToString();
else if (IsDouble)
return m_double.ToString();
else
throw new Z3Exception("Unknown statistical entry type");
}
}
/// <summary>
/// The string representation of the Entry.
/// </summary>
public override string ToString()
{
return Key + ": " + Value;
}
#region Internal
readonly private bool m_is_uint = false;
readonly private bool m_is_double = false;
readonly private uint m_uint = 0;
readonly private double m_double = 0.0;
internal Entry(string k, uint v) { Key = k; m_is_uint = true; m_uint = v; }
internal Entry(string k, double v) { Key = k; m_is_double = true; m_double = v; }
#endregion
}
/// <summary>
/// A string representation of the statistical data.
/// </summary>
public override string ToString()
{
return Native.Z3_stats_to_string(Context.nCtx, NativeObject);
}
/// <summary>
/// The number of statistical data.
/// </summary>
public uint Size
{
get { return Native.Z3_stats_size(Context.nCtx, NativeObject); }
}
/// <summary>
/// The data entries.
/// </summary>
public Entry[] Entries
{
get
{
Contract.Ensures(Contract.Result<Entry[]>() != null);
Contract.Ensures(Contract.Result<Entry[]>().Length == this.Size);
Contract.Ensures(Contract.ForAll(0, Contract.Result<Entry[]>().Length, j => Contract.Result<Entry[]>()[j] != null));
uint n = Size;
Entry[] res = new Entry[n];
for (uint i = 0; i < n; i++)
{
Entry e;
string k = Native.Z3_stats_get_key(Context.nCtx, NativeObject, i);
if (Native.Z3_stats_is_uint(Context.nCtx, NativeObject, i) != 0)
e = new Entry(k, Native.Z3_stats_get_uint_value(Context.nCtx, NativeObject, i));
else if (Native.Z3_stats_is_double(Context.nCtx, NativeObject, i) != 0)
e = new Entry(k, Native.Z3_stats_get_double_value(Context.nCtx, NativeObject, i));
else
throw new Z3Exception("Unknown data entry value");
res[i] = e;
}
return res;
}
}
/// <summary>
/// The statistical counters.
/// </summary>
public string[] Keys
{
get
{
Contract.Ensures(Contract.Result<string[]>() != null);
uint n = Size;
string[] res = new string[n];
for (uint i = 0; i < n; i++)
res[i] = Native.Z3_stats_get_key(Context.nCtx, NativeObject, i);
return res;
}
}
/// <summary>
/// The value of a particular statistical counter.
/// </summary>
/// <remarks>Returns null if the key is unknown.</remarks>
public Entry this[string key]
{
get
{
uint n = Size;
Entry[] es = Entries;
for (uint i = 0; i < n; i++)
if (es[i].Key == key)
return es[i];
return null;
}
}
#region Internal
internal Statistics(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_stats_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_stats_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Statistics_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Statistics_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Status.cs
Abstract:
Z3 Managed API: Status
Author:
Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
--*/
using System;
namespace Microsoft.Z3
{
/// <summary>
/// Status values.
/// </summary>
public enum Status
{
/// <summary>
/// Used to signify an unsatisfiable status.
/// </summary>
UNSATISFIABLE = -1,
/// <summary>
/// Used to signify an unknown status.
/// </summary>
UNKNOWN = 0,
/// <summary>
/// Used to signify a satisfiable status.
/// </summary>
SATISFIABLE = 1
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Symbol.cs
Abstract:
Z3 Managed API: Symbols
Author:
Christoph Wintersteiger (cwinter) 2012-03-16
Notes:
--*/
using System;
using System.Runtime.InteropServices;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Symbols are used to name several term and type constructors.
/// </summary>
[ContractVerification(true)]
public class Symbol : Z3Object
{
/// <summary>
/// The kind of the symbol (int or string)
/// </summary>
protected Z3_symbol_kind Kind
{
get { return (Z3_symbol_kind)Native.Z3_get_symbol_kind(Context.nCtx, NativeObject); }
}
/// <summary>
/// Indicates whether the symbol is of Int kind
/// </summary>
public bool IsIntSymbol()
{
return Kind == Z3_symbol_kind.Z3_INT_SYMBOL;
}
/// <summary>
/// Indicates whether the symbol is of string kind.
/// </summary>
public bool IsStringSymbol()
{
return Kind == Z3_symbol_kind.Z3_STRING_SYMBOL;
}
/// <summary>
/// A string representation of the symbol.
/// </summary>
public override string ToString()
{
if (IsIntSymbol())
return ((IntSymbol)this).Int.ToString();
else if (IsStringSymbol())
return ((StringSymbol)this).String;
else
throw new Z3Exception("Unknown symbol kind encountered");
}
#region Internal
/// <summary>
/// Symbol constructor
/// </summary>
internal protected Symbol(Context ctx, IntPtr obj) : base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal static Symbol Create(Context ctx, IntPtr obj)
{
Contract.Requires(ctx != null);
Contract.Ensures(Contract.Result<Symbol>() != null);
switch ((Z3_symbol_kind)Native.Z3_get_symbol_kind(ctx.nCtx, obj))
{
case Z3_symbol_kind.Z3_INT_SYMBOL: return new IntSymbol(ctx, obj);
case Z3_symbol_kind.Z3_STRING_SYMBOL: return new StringSymbol(ctx, obj);
default:
throw new Z3Exception("Unknown symbol kind encountered");
}
}
#endregion
}
/// <summary>
/// Numbered symbols
/// </summary>
[ContractVerification(true)]
public class IntSymbol : Symbol
{
/// <summary>
/// The int value of the symbol.
/// </summary>
/// <remarks>Throws an exception if the symbol is not of int kind. </remarks>
public int Int
{
get
{
if (!IsIntSymbol())
throw new Z3Exception("Int requested from non-Int symbol");
return Native.Z3_get_symbol_int(Context.nCtx, NativeObject);
}
}
#region Internal
internal IntSymbol(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal IntSymbol(Context ctx, int i)
: base(ctx, Native.Z3_mk_int_symbol(ctx.nCtx, i))
{
Contract.Requires(ctx != null);
}
#if DEBUG
internal override void CheckNativeObject(IntPtr obj)
{
if ((Z3_symbol_kind)Native.Z3_get_symbol_kind(Context.nCtx, obj) != Z3_symbol_kind.Z3_INT_SYMBOL)
throw new Z3Exception("Symbol is not of integer kind");
base.CheckNativeObject(obj);
}
#endif
#endregion
}
/// <summary>
/// Named symbols
/// </summary>
[ContractVerification(true)]
public class StringSymbol : Symbol
{
/// <summary>
/// The string value of the symbol.
/// </summary>
/// <remarks>Throws an exception if the symbol is not of string kind.</remarks>
public string String
{
get
{
Contract.Ensures(Contract.Result<string>() != null);
if (!IsStringSymbol())
throw new Z3Exception("String requested from non-String symbol");
return Native.Z3_get_symbol_string(Context.nCtx, NativeObject);
}
}
#region Internal
internal StringSymbol(Context ctx, IntPtr obj) : base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal StringSymbol(Context ctx, string s) : base(ctx, Native.Z3_mk_string_symbol(ctx.nCtx, s))
{
Contract.Requires(ctx != null);
}
#if DEBUG
internal override void CheckNativeObject(IntPtr obj)
{
if ((Z3_symbol_kind)Native.Z3_get_symbol_kind(Context.nCtx, obj) != Z3_symbol_kind.Z3_STRING_SYMBOL)
throw new Z3Exception("Symbol is not of string kind");
base.CheckNativeObject(obj);
}
#endif
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Tactic.cs
Abstract:
Z3 Managed API: Tactics
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Tactics are the basic building block for creating custom solvers for specific problem domains.
/// The complete list of tactics may be obtained using <c>Context.NumTactics</c>
/// and <c>Context.TacticNames</c>.
/// It may also be obtained using the command <c>(help-tactics)</c> in the SMT 2.0 front-end.
/// </summary>
[ContractVerification(true)]
public class Tactic : Z3Object
{
/// <summary>
/// A string containing a description of parameters accepted by the tactic.
/// </summary>
public string Help
{
get
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_tactic_get_help(Context.nCtx, NativeObject); }
}
/// <summary>
/// Retrieves parameter descriptions for Tactics.
/// </summary>
public ParamDescrs ParameterDescriptions
{
get
{
return new ParamDescrs(Context, Native.Z3_tactic_get_param_descrs(Context.nCtx, NativeObject));
}
}
/// <summary>
/// Execute the tactic over the goal.
/// </summary>
public ApplyResult Apply(Goal g, Params p = null)
{
Contract.Requires(g != null);
Contract.Ensures(Contract.Result<ApplyResult>() != null);
Context.CheckContextMatch(g);
if (p == null)
return new ApplyResult(Context, Native.Z3_tactic_apply(Context.nCtx, NativeObject, g.NativeObject));
else
{
Context.CheckContextMatch(p);
return new ApplyResult(Context, Native.Z3_tactic_apply_ex(Context.nCtx, NativeObject, g.NativeObject, p.NativeObject));
}
}
/// <summary>
/// Apply the tactic to a goal.
/// </summary>
public ApplyResult this[Goal g]
{
get
{
Contract.Requires(g != null);
Contract.Ensures(Contract.Result<ApplyResult>() != null);
return Apply(g);
}
}
/// <summary>
/// Creates a solver that is implemented using the given tactic.
/// </summary>
/// <seealso cref="Context.MkSolver(Tactic)"/>
public Solver Solver
{
get
{
Contract.Ensures(Contract.Result<Solver>() != null);
return Context.MkSolver(this);
}
}
#region Internal
internal Tactic(Context ctx, IntPtr obj) : base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal Tactic(Context ctx, string name) : base(ctx, Native.Z3_mk_tactic(ctx.nCtx, name))
{
Contract.Requires(ctx != null);
}
internal class DecRefQueue : Z3.DecRefQueue
{
public override void IncRef(Context ctx, IntPtr obj)
{
Native.Z3_tactic_inc_ref(ctx.nCtx, obj);
}
public override void DecRef(Context ctx, IntPtr obj)
{
Native.Z3_tactic_dec_ref(ctx.nCtx, obj);
}
};
internal override void IncRef(IntPtr o)
{
Context.Tactic_DRQ.IncAndClear(Context, o);
base.IncRef(o);
}
internal override void DecRef(IntPtr o)
{
Context.Tactic_DRQ.Add(o);
base.DecRef(o);
}
#endregion
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Version.cs
Abstract:
Z3 Managed API: Version information
Author:
Christoph Wintersteiger (cwinter) 2012-03-16
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Version information.
/// </summary>
/// <remarks>Note that this class is static.</remarks>
[ContractVerification(true)]
public static class Version
{
static Version() { }
/// <summary>
/// The major version
/// </summary>
public static uint Major
{
get
{
uint major = 0, minor = 0, build = 0, revision = 0;
Native.Z3_get_version(ref major, ref minor, ref build, ref revision);
return major;
}
}
/// <summary>
/// The minor version
/// </summary>
public static uint Minor
{
get
{
uint major = 0, minor = 0, build = 0, revision = 0;
Native.Z3_get_version(ref major, ref minor, ref build, ref revision);
return minor;
}
}
/// <summary>
/// The build version
/// </summary>
public static uint Build
{
get
{
uint major = 0, minor = 0, build = 0, revision = 0;
Native.Z3_get_version(ref major, ref minor, ref build, ref revision);
return build;
}
}
/// <summary>
/// The revision
/// </summary>
public static uint Revision
{
get
{
uint major = 0, minor = 0, build = 0, revision = 0;
Native.Z3_get_version(ref major, ref minor, ref build, ref revision);
return revision;
}
}
/// <summary>
/// A string representation of the version information.
/// </summary>
new public static string ToString()
{
Contract.Ensures(Contract.Result<string>() != null);
uint major = 0, minor = 0, build = 0, revision = 0;
Native.Z3_get_version(ref major, ref minor, ref build, ref revision);
return major.ToString() + "." + minor.ToString() + "." + build.ToString() + "." + revision.ToString();
}
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Exception.cs
Abstract:
Z3 Managed API: Exceptions
Author:
Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
--*/
using System;
namespace Microsoft.Z3
{
/// <summary>
/// The exception base class for error reporting from Z3
/// </summary>
public class Z3Exception : Exception
{
/// <summary>
/// Constructor.
/// </summary>
public Z3Exception() : base() { }
/// <summary>
/// Constructor.
/// </summary>
public Z3Exception(string message) : base(message) { }
/// <summary>
/// Constructor.
/// </summary>
public Z3Exception(string message, System.Exception inner) : base(message, inner) { }
}
}

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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
Z3Object.cs
Abstract:
Z3 Managed API: Internal Z3 Objects
Author:
Christoph Wintersteiger (cwinter) 2012-03-21
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Internal base class for interfacing with native Z3 objects.
/// Should not be used externally.
/// </summary>
[ContractVerification(true)]
public class Z3Object : IDisposable
{
/// <summary>
/// Finalizer.
/// </summary>
~Z3Object()
{
Dispose();
}
/// <summary>
/// Disposes of the underlying native Z3 object.
/// </summary>
public void Dispose()
{
if (m_n_obj != IntPtr.Zero)
{
DecRef(m_n_obj);
m_n_obj = IntPtr.Zero;
}
if (m_ctx != null)
{
m_ctx.refCount--;
if (m_ctx.refCount == 0)
GC.ReRegisterForFinalize(m_ctx);
m_ctx = null;
}
GC.SuppressFinalize(this);
}
#region Object Invariant
[ContractInvariantMethod]
private void ObjectInvariant()
{
Contract.Invariant(this.m_ctx != null);
}
#endregion
#region Internal
private Context m_ctx = null;
private IntPtr m_n_obj = IntPtr.Zero;
internal Z3Object(Context ctx)
{
Contract.Requires(ctx != null);
ctx.refCount++;
m_ctx = ctx;
}
internal Z3Object(Context ctx, IntPtr obj)
{
Contract.Requires(ctx != null);
ctx.refCount++;
m_ctx = ctx;
IncRef(obj);
m_n_obj = obj;
}
internal virtual void IncRef(IntPtr o) { }
internal virtual void DecRef(IntPtr o) { }
internal virtual void CheckNativeObject(IntPtr obj) { }
internal virtual IntPtr NativeObject
{
get { return m_n_obj; }
set
{
if (value != IntPtr.Zero) { CheckNativeObject(value); IncRef(value); }
if (m_n_obj != IntPtr.Zero) { DecRef(m_n_obj); }
m_n_obj = value;
}
}
internal static IntPtr GetNativeObject(Z3Object s)
{
if (s == null) return new IntPtr();
return s.NativeObject;
}
internal Context Context
{
get
{
Contract.Ensures(Contract.Result<Context>() != null);
return m_ctx;
}
}
[Pure]
internal static IntPtr[] ArrayToNative(Z3Object[] a)
{
Contract.Ensures(a == null || Contract.Result<IntPtr[]>() != null);
Contract.Ensures(a == null || Contract.Result<IntPtr[]>().Length == a.Length);
if (a == null) return null;
IntPtr[] an = new IntPtr[a.Length];
for (uint i = 0; i < a.Length; i++)
if (a[i] != null) an[i] = a[i].NativeObject;
return an;
}
[Pure]
internal static uint ArrayLength(Z3Object[] a)
{
return (a == null)?0:(uint)a.Length;
}
#endregion
}
}

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############################################
# Copyright (c) 2012 Microsoft Corporation
#
# Extract enumeration types from z3_api.h
#
# Author: Leonardo de Moura (leonardo)
# Christoph M. Wintersteiger (cwinter)
############################################
import re
blank_pat = re.compile("^ *$")
comment_pat = re.compile("^ *//.*$")
typedef_pat = re.compile("typedef enum *")
typedef2_pat = re.compile("typedef enum { *")
openbrace_pat = re.compile("{ *")
closebrace_pat = re.compile("}.*;")
api = open('..\\lib\\z3_api.h', 'r')
DeprecatedEnums = { 'Z3_search_failure' }
z3consts = open('Enumerations.cs', 'w')
z3consts.write('// Automatically generated file, generator: mk_z3consts.py\n\n')
z3consts.write('using System;\n\n'
'#pragma warning disable 1591\n\n'
'namespace Microsoft.Z3\n'
'{\n');
SEARCHING = 0
FOUND_ENUM = 1
IN_ENUM = 2
mode = SEARCHING
decls = {}
idx = 0
linenum = 1
for line in api:
m1 = blank_pat.match(line)
m2 = comment_pat.match(line)
if m1 or m2:
# skip blank lines and comments
linenum = linenum + 1
elif mode == SEARCHING:
m = typedef_pat.match(line)
if m:
mode = FOUND_ENUM
m = typedef2_pat.match(line)
if m:
mode = IN_ENUM
decls = {}
idx = 0
elif mode == FOUND_ENUM:
m = openbrace_pat.match(line)
if m:
mode = IN_ENUM
decls = {}
idx = 0
else:
assert False, "Invalid z3_api.h, line: %s" % linenum
else:
assert mode == IN_ENUM
words = re.split('[^\-a-zA-Z0-9_]+', line)
m = closebrace_pat.match(line)
if m:
name = words[1]
if name not in DeprecatedEnums:
z3consts.write(' /// <summary>%s</summary>\n' % name)
z3consts.write(' public enum %s {\n' % name)
z3consts.write
for k, i in decls.iteritems():
z3consts.write(' %s = %s,\n' % (k, i))
z3consts.write(' }\n\n')
mode = SEARCHING
else:
if words[2] != '':
if len(words[2]) > 1 and words[2][1] == 'x':
idx = int(words[2], 16)
else:
idx = int(words[2])
decls[words[1]] = idx
idx = idx + 1
linenum = linenum + 1
z3consts.write('}\n');

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copy ..\..\bin\Microsoft.Z3.dll .
copy ..\..\bin\Z3.dll .
csc /reference:Microsoft.Z3.dll /debug:full /platform:x86 /reference:System.Numerics.dll Program.cs

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copy ..\..\x64\release\Microsoft.Z3.dll .
copy ..\..\x64\release\Z3.dll .
csc /reference:..\..\x64\release\Microsoft.Z3.dll /debug:full /platform:x64 /reference:System.Numerics.dll Program.cs

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
<ProductVersion>8.0.30703</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{D350BC78-8455-45D3-9759-073394378BF2}</ProjectGuid>
<OutputType>Exe</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>test_mapi</RootNamespace>
<AssemblyName>test_mapi</AssemblyName>
<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
<TargetFrameworkProfile>Client</TargetFrameworkProfile>
<FileAlignment>512</FileAlignment>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
<PlatformTarget>x86</PlatformTarget>
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
<PlatformTarget>x86</PlatformTarget>
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup>
<StartupObject>test_mapi.Program</StartupObject>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Numerics" />
</ItemGroup>
<ItemGroup>
<Compile Include="Program.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Microsoft.Z3.csproj">
<Project>{EC3DB697-B734-42F7-9468-5B62821EEB5A}</Project>
<Name>Microsoft.Z3</Name>
</ProjectReference>
</ItemGroup>
<ItemGroup>
<Folder Include="Properties\" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<PropertyGroup>
<PostBuildEvent>
</PostBuildEvent>
</PropertyGroup>
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

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using namespace System;
using namespace System::Reflection;
using namespace System::Runtime::CompilerServices;
using namespace System::Runtime::InteropServices;
using namespace System::Security::Permissions;
//
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
//
[assembly:AssemblyTitleAttribute("Z3 .NET Interface")];
[assembly:AssemblyDescriptionAttribute(".NET Interface to the Z3 Theorem Prover")];
[assembly:AssemblyConfigurationAttribute("")];
[assembly:AssemblyCompanyAttribute("Microsoft Corporation")];
[assembly:AssemblyProductAttribute("Z3")];
[assembly:AssemblyCopyrightAttribute("Copyright (c) Microsoft Corporation 2006")];
[assembly:AssemblyTrademarkAttribute("")];
[assembly:AssemblyCultureAttribute("")];
[assembly:ComVisible(false)];
[assembly:CLSCompliantAttribute(true)];
[assembly:SecurityPermission(SecurityAction::RequestMinimum, UnmanagedCode = true)];
[assembly:AssemblyVersionAttribute("4.2.0.0")];
[assembly:AssemblyFileVersionAttribute("4.2.0.0")];
#ifdef DELAYSIGN
[assembly:AssemblyKeyFile("35MSSharedLib1024.snk")];
[assembly:AssemblyDelaySign(true)];
#else
[assembly:AssemblyKeyFile("z3.snk")];
[assembly:AssemblyDelaySign(true)];
#endif

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
</Project>

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Z3 is a theorem prover from Microsoft Research.
Z3 is licensed under MSR-LA (Microsoft Research License Agreement).
See http://z3.codeplex.com/license for more information about this license.
Z3 can be built using Visual Studio Command Prompt, Visual Studio and make/gcc.
1) Building Z3 on Windows using Visual Studio Command Prompt
- Open a Visual Studio Command Prompt, then execute one of the following commands to build the desired component.
- For building all components, execute
msbuild z3-prover.sln /p:configuration=external
All components will be located at /external
- For building all components (64-bit), execute
msbuild z3-prover.sln /p:configuration=external_64 /p:platform=x64
All components will be located at /external_64
- For building all components (in debug mode), execute
msbuild z3-prover.sln
All components will be located at /debug
1) Building Z3 using g++/make
Your machine must also have the following commands to be able to build Z3:
autoconf, sed, awk, dos2unix commands
- Open a shell
- For building the z3 executable, execute
autoconf
./configure
make
The z3 executable will be located at bin/external/
- If you want a static library for Z3
make a
- If you also want the z3 shared library, execute
make so
for libz3.so (on Linux)
make dylib
for libz3.dylib (on OSX)
Remark: the Z3 makefile imports the source file list from Visual Studio project files.
To add new source files to the Z3 core, you must include them at: lib/lib.vcxproj

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This directory contains scripts to build the test application using
Microsoft C compiler, or g++.
1) Using Microsoft C compiler
Use 'build.cmd' to build the test application using Microsoft C
compiler.
Remark: The Microsoft C compiler (cl) must be in your path,
or you can use the Visual Studio Command Prompt.
The script 'exec.cmd' adds the bin directory to the path. So,
example.exe can find z3.dll.
2) Using gcc
Use 'build.sh' to build the test application using g++.
The script 'exec.sh' adds the bin directory to the path. So,
example.exe can find z3.dll.
Remark: the scripts 'build.sh' and 'exec.sh' assumes you are in a
Cygwin or Mingw shell.

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g++ -fopenmp -o example -I ../../include example.cpp -L ../../lib -lz3

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g++ -fopenmp -o example -I ../../include example.cpp -L ../../lib -lz3

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cl /EHsc /I ..\..\include /I . ..\..\bin\z3.lib example.cpp

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g++ -fopenmp -o example.exe -I ../../include ../../bin/z3.dll example.cpp

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cl /W3 /EHsc /I ..\lib ..\debug\z3_dbg.lib example.cpp

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#include"z3++.h"
using namespace z3;
/**
Demonstration of how Z3 can be used to prove validity of
De Morgan's Duality Law: {e not(x and y) <-> (not x) or ( not y) }
*/
void demorgan() {
std::cout << "de-Morgan example\n";
context c;
expr x = c.bool_const("x");
expr y = c.bool_const("y");
expr conjecture = !(x && y) == (!x || !y);
solver s(c);
// adding the negation of the conjecture as a constraint.
s.add(!conjecture);
std::cout << s << "\n";
switch (s.check()) {
case unsat: std::cout << "de-Morgan is valid\n"; break;
case sat: std::cout << "de-Morgan is not valid\n"; break;
case unknown: std::cout << "unknown\n"; break;
}
}
/**
\brief Find a model for <tt>x >= 1 and y < x + 3</tt>.
*/
void find_model_example1() {
std::cout << "find_model_example1\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
solver s(c);
s.add(x >= 1);
s.add(y < x + 3);
std::cout << s.check() << "\n";
model m = s.get_model();
std::cout << m << "\n";
// traversing the model
for (unsigned i = 0; i < m.size(); i++) {
func_decl v = m[i];
// this problem contains only constants
assert(v.arity() == 0);
std::cout << v.name() << " = " << m.get_const_interp(v) << "\n";
}
// we can evaluate expressions in the model.
std::cout << "x + y + 1 = " << m.eval(x + y + 1) << "\n";
}
/**
\brief Prove <tt>x = y implies g(x) = g(y)</tt>, and
disprove <tt>x = y implies g(g(x)) = g(y)</tt>.
This function demonstrates how to create uninterpreted types and
functions.
*/
void prove_example1() {
std::cout << "prove_example1\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
sort I = c.int_sort();
func_decl g = function("g", I, I);
solver s(c);
expr conjecture1 = implies(x == y, g(x) == g(y));
std::cout << "conjecture 1\n" << conjecture1 << "\n";
s.add(!conjecture1);
if (s.check() == unsat)
std::cout << "proved" << "\n";
else
std::cout << "failed to prove" << "\n";
s.reset(); // remove all assertions from solver s
expr conjecture2 = implies(x == y, g(g(x)) == g(y));
std::cout << "conjecture 2\n" << conjecture2 << "\n";
s.add(!conjecture2);
if (s.check() == unsat) {
std::cout << "proved" << "\n";
}
else {
std::cout << "failed to prove" << "\n";
model m = s.get_model();
std::cout << "counterexample:\n" << m << "\n";
std::cout << "g(g(x)) = " << m.eval(g(g(x))) << "\n";
std::cout << "g(y) = " << m.eval(g(y)) << "\n";
}
}
/**
\brief Prove <tt>not(g(g(x) - g(y)) = g(z)), x + z <= y <= x implies z < 0 </tt>.
Then, show that <tt>z < -1</tt> is not implied.
This example demonstrates how to combine uninterpreted functions and arithmetic.
*/
void prove_example2() {
std::cout << "prove_example1\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
expr z = c.int_const("z");
sort I = c.int_sort();
func_decl g = function("g", I, I);
expr conjecture1 = implies(g(g(x) - g(y)) != g(z) && x + z <= y && y <= x,
z < 0);
solver s(c);
s.add(!conjecture1);
std::cout << "conjecture 1:\n" << conjecture1 << "\n";
if (s.check() == unsat)
std::cout << "proved" << "\n";
else
std::cout << "failed to prove" << "\n";
expr conjecture2 = implies(g(g(x) - g(y)) != g(z) && x + z <= y && y <= x,
z < -1);
s.reset();
s.add(!conjecture2);
std::cout << "conjecture 2:\n" << conjecture2 << "\n";
if (s.check() == unsat) {
std::cout << "proved" << "\n";
}
else {
std::cout << "failed to prove" << "\n";
std::cout << "counterexample:\n" << s.get_model() << "\n";
}
}
/**
\brief Nonlinear arithmetic example 1
*/
void nonlinear_example1() {
std::cout << "nonlinear example 1\n";
config cfg;
cfg.set(":auto-config", true);
context c(cfg);
expr x = c.real_const("x");
expr y = c.real_const("y");
expr z = c.real_const("z");
solver s(c);
s.add(x*x + y*y == 1); // x^2 + y^2 == 1
s.add(x*x*x + z*z*z < c.real_val("1/2")); // x^3 + z^3 < 1/2
s.add(z != 0);
std::cout << s.check() << "\n";
model m = s.get_model();
std::cout << m << "\n";
c.set(":pp-decimal", true); // set decimal notation
std::cout << "model in decimal notation\n";
std::cout << m << "\n";
c.set(":pp-decimal-precision", 50); // increase number of decimal places to 50.
std::cout << "model using 50 decimal places\n";
std::cout << m << "\n";
}
/**
\brief Simple function that tries to prove the given conjecture using the following steps:
1- create a solver
2- assert the negation of the conjecture
3- checks if the result is unsat.
*/
void prove(expr conjecture) {
context & c = conjecture.ctx();
solver s(c);
s.add(!conjecture);
std::cout << "conjecture:\n" << conjecture << "\n";
if (s.check() == unsat) {
std::cout << "proved" << "\n";
}
else {
std::cout << "failed to prove" << "\n";
std::cout << "counterexample:\n" << s.get_model() << "\n";
}
}
/**
\brief Simple bit-vector example. This example disproves that x - 10 <= 0 IFF x <= 10 for (32-bit) machine integers
*/
void bitvector_example1() {
std::cout << "bitvector example 1\n";
context c;
expr x = c.bv_const("x", 32);
// using signed <=
prove((x - 10 <= 0) == (x <= 10));
// using unsigned <=
prove(ule(x - 10, 0) == ule(x, 10));
}
/**
\brief Find x and y such that: x ^ y - 103 == x * y
*/
void bitvector_example2() {
std::cout << "bitvector example 2\n";
context c;
expr x = c.bv_const("x", 32);
expr y = c.bv_const("y", 32);
solver s(c);
// In C++, the operator == has higher precedence than ^.
s.add((x ^ y) - 103 == x * y);
std::cout << s << "\n";
std::cout << s.check() << "\n";
std::cout << s.get_model() << "\n";
}
/**
\brief Mixing C and C++ APIs.
*/
void capi_example() {
std::cout << "capi example\n";
context c;
expr x = c.bv_const("x", 32);
expr y = c.bv_const("y", 32);
// Invoking a C API function, and wrapping the result using an expr object.
expr r = to_expr(c, Z3_mk_bvsrem(c, x, y));
std::cout << "r: " << r << "\n";
}
/**
\brief Demonstrate how to evaluate expressions in a model.
*/
void eval_example1() {
std::cout << "eval example 1\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
solver s(c);
/* assert x < y */
s.add(x < y);
/* assert x > 2 */
s.add(x > 2);
std::cout << s.check() << "\n";
model m = s.get_model();
std::cout << "Model:\n" << m << "\n";
std::cout << "x+y = " << m.eval(x+y) << "\n";
}
/**
\brief Several contexts can be used simultaneously.
*/
void two_contexts_example1() {
std::cout << "two contexts example 1\n";
context c1, c2;
expr x = c1.int_const("x");
expr n = x + 1;
// We cannot mix expressions from different contexts, but we can copy
// an expression from one context to another.
// The following statement copies the expression n from c1 to c2.
expr n1 = to_expr(c2, Z3_translate(c1, n, c2));
std::cout << n1 << "\n";
}
/**
\brief Demonstrates how to catch API usage errors.
*/
void error_example() {
std::cout << "error example\n";
context c;
expr x = c.bool_const("x");
// Error using the C API can be detected using Z3_get_error_code.
// The next call fails because x is a constant.
Z3_ast arg = Z3_get_app_arg(c, x, 0);
if (Z3_get_error_code(c) != Z3_OK) {
std::cout << "last call failed.\n";
}
// The C++ layer converts API usage errors into exceptions.
try {
// The next call fails because x is a Boolean.
expr n = x + 1;
}
catch (exception ex) {
std::cout << "failed: " << ex << "\n";
}
// The functions to_expr, to_sort and to_func_decl also convert C API errors into exceptions.
try {
expr arg = to_expr(c, Z3_get_app_arg(c, x, 0));
}
catch (exception ex) {
std::cout << "failed: " << ex << "\n";
}
}
/**
\brief Demonstrate different ways of creating rational numbers: decimal and fractional representations.
*/
void numeral_example() {
std::cout << "numeral example\n";
context c;
expr n1 = c.real_val("1/2");
expr n2 = c.real_val("0.5");
expr n3 = c.real_val(1, 2);
std::cout << n1 << " " << n2 << " " << n3 << "\n";
prove(n1 == n2 && n1 == n3);
n1 = c.real_val("-1/3");
n2 = c.real_val("-0.3333333333333333333333333333333333");
std::cout << n1 << " " << n2 << "\n";
prove(n1 != n2);
}
/**
\brief Test ite-term (if-then-else terms).
*/
void ite_example() {
std::cout << "if-then-else example\n";
context c;
expr f = c.bool_val(false);
expr one = c.int_val(1);
expr zero = c.int_val(0);
expr ite = to_expr(c, Z3_mk_ite(c, f, one, zero));
std::cout << "term: " << ite << "\n";
}
/**
\brief Unsat core example
*/
void unsat_core_example() {
std::cout << "unsat core example\n";
context c;
expr p1 = c.bool_const("p1");
expr p2 = c.bool_const("p2");
expr p3 = c.bool_const("p3");
expr x = c.int_const("x");
expr y = c.int_const("y");
solver s(c);
s.add(implies(p1, x > 10));
s.add(implies(p1, y > x));
s.add(implies(p2, y < 5));
s.add(implies(p3, y > 0));
expr assumptions[3] = { p1, p2, p3 };
std::cout << s.check(3, assumptions) << "\n";
expr_vector core = s.unsat_core();
std::cout << core << "\n";
std::cout << "size: " << core.size() << "\n";
for (unsigned i = 0; i < core.size(); i++) {
std::cout << core[i] << "\n";
}
// Trying again without p2
expr assumptions2[2] = { p1, p3 };
std::cout << s.check(2, assumptions2) << "\n";
}
void tactic_example1() {
/*
Z3 implements a methodology for orchestrating reasoning engines where "big" symbolic
reasoning steps are represented as functions known as tactics, and tactics are composed
using combinators known as tacticals. Tactics process sets of formulas called Goals.
When a tactic is applied to some goal G, four different outcomes are possible. The tactic succeeds
in showing G to be satisfiable (i.e., feasible); succeeds in showing G to be unsatisfiable (i.e., infeasible);
produces a sequence of subgoals; or fails. When reducing a goal G to a sequence of subgoals G1, ..., Gn,
we face the problem of model conversion. A model converter construct a model for G using a model for some subgoal Gi.
In this example, we create a goal g consisting of three formulas, and a tactic t composed of two built-in tactics:
simplify and solve-eqs. The tactic simplify apply transformations equivalent to the ones found in the command simplify.
The tactic solver-eqs eliminate variables using Gaussian elimination. Actually, solve-eqs is not restricted
only to linear arithmetic. It can also eliminate arbitrary variables.
Then, sequential composition combinator & applies simplify to the input goal and solve-eqs to each subgoal produced by simplify.
In this example, only one subgoal is produced.
*/
std::cout << "tactic example 1\n";
context c;
expr x = c.real_const("x");
expr y = c.real_const("y");
goal g(c);
g.add(x > 0);
g.add(y > 0);
g.add(x == y + 2);
std::cout << g << "\n";
tactic t1(c, "simplify");
tactic t2(c, "solve-eqs");
tactic t = t1 & t2;
apply_result r = t(g);
std::cout << r << "\n";
}
void tactic_example2() {
/*
In Z3, we say a clause is any constraint of the form (f_1 || ... || f_n).
The tactic split-clause will select a clause in the input goal, and split it n subgoals.
One for each subformula f_i.
*/
std::cout << "tactic example 2\n";
context c;
expr x = c.real_const("x");
expr y = c.real_const("y");
goal g(c);
g.add(x < 0 || x > 0);
g.add(x == y + 1);
g.add(y < 0);
tactic t(c, "split-clause");
apply_result r = t(g);
for (unsigned i = 0; i < r.size(); i++) {
std::cout << "subgoal " << i << "\n" << r[i] << "\n";
}
}
void tactic_example3() {
/*
- The choice combinator t | s first applies t to the given goal, if it fails then returns the result of s applied to the given goal.
- repeat(t) Keep applying the given tactic until no subgoal is modified by it.
- repeat(t, n) Keep applying the given tactic until no subgoal is modified by it, or the number of iterations is greater than n.
- try_for(t, ms) Apply tactic t to the input goal, if it does not return in ms millisenconds, it fails.
- with(t, params) Apply the given tactic using the given parameters.
*/
std::cout << "tactic example 3\n";
context c;
expr x = c.real_const("x");
expr y = c.real_const("y");
expr z = c.real_const("z");
goal g(c);
g.add(x == 0 || x == 1);
g.add(y == 0 || y == 1);
g.add(z == 0 || z == 1);
g.add(x + y + z > 2);
// split all clauses
tactic split_all = repeat(tactic(c, "split-clause") | tactic(c, "skip"));
std::cout << split_all(g) << "\n";
tactic split_at_most_2 = repeat(tactic(c, "split-clause") | tactic(c, "skip"), 1);
std::cout << split_at_most_2(g) << "\n";
// In the tactic split_solver, the tactic solve-eqs discharges all but one goal.
// Note that, this tactic generates one goal: the empty goal which is trivially satisfiable (i.e., feasible)
tactic split_solve = split_all & tactic(c, "solve-eqs");
std::cout << split_solve(g) << "\n";
}
void tactic_example4() {
/*
A tactic can be converted into a solver object using the method mk_solver().
If the tactic produces the empty goal, then the associated solver returns sat.
If the tactic produces a single goal containing False, then the solver returns unsat.
Otherwise, it returns unknown.
In this example, the tactic t implements a basic bit-vector solver using equation solving,
bit-blasting, and a propositional SAT solver.
We use the combinator `with` to configure our little solver.
We also include the tactic `aig` which tries to compress Boolean formulas using And-Inverted Graphs.
*/
std::cout << "tactic example 4\n";
context c;
params p(c);
p.set(":mul2concat", true);
tactic t =
with(tactic(c, "simplify"), p) &
tactic(c, "solve-eqs") &
tactic(c, "bit-blast") &
tactic(c, "aig") &
tactic(c, "sat");
solver s = t.mk_solver();
expr x = c.bv_const("x", 16);
expr y = c.bv_const("y", 16);
s.add(x*32 + y == 13);
// In C++, the operator < has higher precedence than &.
s.add((x & y) < 10);
s.add(y > -100);
std::cout << s.check() << "\n";
model m = s.get_model();
std::cout << m << "\n";
std::cout << "x*32 + y = " << m.eval(x*32 + y) << "\n";
std::cout << "x & y = " << m.eval(x & y) << "\n";
}
void tactic_example5() {
/*
The tactic smt wraps the main solver in Z3 as a tactic.
*/
std::cout << "tactic example 5\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
solver s = tactic(c, "smt").mk_solver();
s.add(x > y + 1);
std::cout << s.check() << "\n";
std::cout << s.get_model() << "\n";
}
void tactic_example6() {
/*
In this example, we show how to implement a solver for integer arithmetic using SAT.
The solver is complete only for problems where every variable has a lower and upper bound.
*/
std::cout << "tactic example 6\n";
context c;
params p(c);
p.set(":arith-lhs", true);
p.set(":som", true); // sum-of-monomials normal form
solver s =
(with(tactic(c, "simplify"), p) &
tactic(c, "normalize-bounds") &
tactic(c, "lia2pb") &
tactic(c, "pb2bv") &
tactic(c, "bit-blast") &
tactic(c, "sat")).mk_solver();
expr x = c.int_const("x");
expr y = c.int_const("y");
expr z = c.int_const("z");
s.add(x > 0 && x < 10);
s.add(y > 0 && y < 10);
s.add(z > 0 && z < 10);
s.add(3*y + 2*x == z);
std::cout << s.check() << "\n";
std::cout << s.get_model() << "\n";
s.reset();
s.add(3*y + 2*x == z);
std::cout << s.check() << "\n";
}
void tactic_example7() {
/*
Tactics can be combined with solvers.
For example, we can apply a tactic to a goal, produced a set of subgoals,
then select one of the subgoals and solve it using a solver.
This example demonstrates how to do that, and
how to use model converters to convert a model for a subgoal into a model for the original goal.
*/
std::cout << "tactic example 7\n";
context c;
tactic t =
tactic(c, "simplify") &
tactic(c, "normalize-bounds") &
tactic(c, "solve-eqs");
expr x = c.int_const("x");
expr y = c.int_const("y");
expr z = c.int_const("z");
goal g(c);
g.add(x > 10);
g.add(y == x + 3);
g.add(z > y);
apply_result r = t(g);
// r contains only one subgoal
std::cout << r << "\n";
solver s(c);
goal subgoal = r[0];
for (unsigned i = 0; i < subgoal.size(); i++) {
s.add(subgoal[i]);
}
std::cout << s.check() << "\n";
model m = s.get_model();
std::cout << "model for subgoal:\n" << m << "\n";
std::cout << "model for original goal:\n" << r.convert_model(m) << "\n";
}
void tactic_example8() {
/*
Probes (aka formula measures) are evaluated over goals.
Boolean expressions over them can be built using relational operators and Boolean connectives.
The tactic fail_if(cond) fails if the given goal does not satisfy the condition cond.
Many numeric and Boolean measures are available in Z3.
In this example, we build a simple tactic using fail_if.
It also shows that a probe can be applied directly to a goal.
*/
std::cout << "tactic example 8\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
expr z = c.int_const("z");
goal g(c);
g.add(x + y + z > 0);
probe p(c, "num-consts");
std::cout << "num-consts: " << p(g) << "\n";
tactic t = fail_if(p > 2);
try {
t(g);
}
catch (exception) {
std::cout << "tactic failed...\n";
}
std::cout << "trying again...\n";
g.reset();
g.add(x + y > 0);
std::cout << t(g) << "\n";
}
void tactic_example9() {
/*
The combinator (tactical) cond(p, t1, t2) is a shorthand for:
(fail_if(p) & t1) | t2
The combinator when(p, t) is a shorthand for:
cond(p, t, tactic(c, "skip"))
The tactic skip just returns the input goal.
This example demonstrates how to use the cond combinator.
*/
std::cout << "tactic example 9\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
expr z = c.int_const("z");
goal g(c);
g.add(x*x - y*y >= 0);
probe p(c, "num-consts");
tactic t = cond(p > 2, tactic(c, "simplify"), tactic(c, "factor"));
std::cout << t(g) << "\n";
g.reset();
g.add(x + x + y + z >= 0);
g.add(x*x - y*y >= 0);
std::cout << t(g) << "\n";
}
void visit(expr const & e) {
if (e.is_app()) {
unsigned num = e.num_args();
for (unsigned i = 0; i < num; i++) {
visit(e.arg(i));
}
// do something
// Example: print the visited expression
func_decl f = e.decl();
std::cout << "application of " << f.name() << ": " << e << "\n";
}
else if (e.is_quantifier()) {
visit(e.body());
// do something
}
else {
assert(e.is_var());
// do something
}
}
void tst_visit() {
std::cout << "visit example\n";
context c;
expr x = c.int_const("x");
expr y = c.int_const("y");
expr z = c.int_const("z");
expr f = x*x - y*y >= 0;
visit(f);
}
int main() {
try {
demorgan(); std::cout << "\n";
find_model_example1(); std::cout << "\n";
prove_example1(); std::cout << "\n";
prove_example2(); std::cout << "\n";
nonlinear_example1(); std::cout << "\n";
bitvector_example1(); std::cout << "\n";
bitvector_example2(); std::cout << "\n";
capi_example(); std::cout << "\n";
eval_example1(); std::cout << "\n";
two_contexts_example1(); std::cout << "\n";
error_example(); std::cout << "\n";
numeral_example(); std::cout << "\n";
ite_example(); std::cout << "\n";
unsat_core_example(); std::cout << "\n";
tactic_example1(); std::cout << "\n";
tactic_example2(); std::cout << "\n";
tactic_example3(); std::cout << "\n";
tactic_example4(); std::cout << "\n";
tactic_example5(); std::cout << "\n";
tactic_example6(); std::cout << "\n";
tactic_example7(); std::cout << "\n";
tactic_example8(); std::cout << "\n";
tactic_example9(); std::cout << "\n";
tst_visit(); std::cout << "\n";
std::cout << "done\n";
}
catch (exception & ex) {
std::cout << "unexpected error: " << ex << "\n";
}
return 0;
}

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export LD_LIBRARY_PATH=../../lib:$LD_LIBRARY_PATH
./example

2
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export DYLD_LIBRARY_PATH=../../lib:$DYLD_LIBRARY_PATH
./example

5
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@echo off
SETLOCAL
set PATH=..\..\bin;%PATH%
example.exe
ENDLOCAL

2
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export PATH=../../bin:$PATH
./example.exe

1342
c++/z3++.h Normal file
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AC_PREREQ(2.50)
AC_INIT(lib/util.h)
ARITH="internal"
AC_ARG_WITH([gmp], [AS_HELP_STRING([--with-gmp], [Use GMP for multi-precision naturals (default=no)])], [use_gmp=yes], [use_gmp=no])
AS_IF([test "$use_gmp" = "yes"],[
ARITH="gmp"
CPPFLAGS="$CPPFLAGS -D_MP_GMP"
],[
CPPFLAGS="$CPPFLAGS -D_MP_INTERNAL"
])
AC_SUBST(EXTRA_LIB_SRCS)
AC_PATH_PROG([D2U], [dos2unix], [no], [~/bin$PATH_SEPARATOR$PATH])
AS_IF([test "$D2U" = "no"], [AC_MSG_ERROR(dos2unix not found)])
AC_SUBST(D2U)
AC_PROG_CXX(g++)
AC_PROG_MAKE_SET
AC_LANG_CPLUSPLUS
host_os=`uname -s`
AS_IF([test "$host_os" = "Darwin"], [
PLATFORM=osx
SO_EXT=dylib
SLIBFLAGS="-dynamiclib -fopenmp"
COMP_VERSIONS="-compatibility_version \$(Z3_VERSION) -current_version \$(Z3_VERSION)"
STATIC_FLAGS=
CPPFLAGS+=" -mmacosx-version-min=10.4"
], [test "$host_os" = "Linux"], [
PLATFORM=linux
SO_EXT=so
LDFLAGS=-lrt
SLIBFLAGS="-shared -fopenmp"
COMP_VERSIONS=
STATIC_FLAGS=-static
], [
AC_MSG_ERROR([Unknown host platform: $host_os])
])
AC_SUBST(PLATFORM)
AC_SUBST(SO_EXT)
AC_SUBST(SLIBFLAGS)
AC_SUBST(COMP_VERSIONS)
AC_SUBST(STATIC_FLAGS)
cat > tst64.c <<EOF
int main() {
return sizeof(unsigned) == sizeof(void*);
}
EOF
AC_SUBST(EXTRA_LIBS)
g++ $CPPFLAGS tst64.c -o tst64
if ./tst64; then
dnl In 64-bit systems we have to compile using -fPIC
CPPFLAGS="$CPPFLAGS -D_AMD64_"
dnl Only enable use of thread local storage for 64-bit Linux. It is disabled for OSX and 32-bit Linux
if test $PLATFORM = "linux"; then
CPPFLAGS="$CPPFLAGS -D_USE_THREAD_LOCAL"
fi
CXXFLAGS="-fPIC"
EXTRA_LIBS=""
dnl Rewrite -lz3-gmp to -lz3 in the files:
dnl - test_capi/build-external-linux.sh
dnl - test_user_theory/build-external-linux.sh
dnl Reason: the library libz3-gmp.so is not available in 64-bit systems
dnl sed 's|lz3-gmp|lz3|' test_capi/build-external-linux.sh > tmp.sh
dnl mv tmp.sh test_capi/build-external-linux.sh
dnl sed 's|lz3-gmp|lz3|' test_user_theory/build-external-linux.sh > tmp.sh
dnl mv tmp.sh test_user_theory/build-external-linux.sh
else
CXXFLAGS=""
dnl In 64-bit systems it is not possible to build a dynamic library using static gmp.
dnl EXTRA_LIBS="\$(BIN_DIR)/lib\$(Z3)-gmp.so"
fi
rm -f tst64.c
rm -f tst64
AC_SUBST(GMP_STATIC_LIB)
GMP_STATIC_LIB=""
if test "$ARITH" = "gmp"; then
AC_CHECK_HEADER([gmp.h], GMP='gmp', AC_MSG_ERROR([GMP include file not found]))
AC_SUBST(LIBS)
AC_CHECK_LIB(gmp, __gmpz_cmp, LIBS="-lgmp $LIBS", AC_MSG_ERROR([GMP library not found]))
dnl Look for libgmp.a at /usr/local/lib and /usr/lib
dnl TODO: make the following test more robust...
if test -e /usr/local/lib/libgmp.a; then
GMP_STATIC_LIB="/usr/local/lib/libgmp.a"
else if test -e /usr/lib/libgmp.a; then
GMP_STATIC_LIB="/usr/lib/libgmp.a"
else if test -e /usr/lib/libgmp.dll.a; then
GMP_STATIC_LIB="/usr/lib/libgmp.dll.a"
else
AC_MSG_ERROR([Failed to find libgmp.a])
fi fi fi
fi
AC_PROG_CXXCPP
AC_OUTPUT(Makefile)
cat <<EOF
Z3 was configured with success.
Host platform: $PLATFORM
Arithmetic: $ARITH
Type 'make' to compile Z3.
EOF

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#include "windows.h"
#ifdef _MANAGED
#pragma managed(push, off)
#endif
BOOL APIENTRY DllMain( HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
#ifdef _MANAGED
#pragma managed(pop)
#endif

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// Microsoft Visual C++ generated resource script.
//
#include "resource.h"
#define APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 2 resource.
//
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
#undef APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
// English (U.S.) resources
#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
#ifdef _WIN32
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
#pragma code_page(1252)
#endif //_WIN32
#ifdef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// TEXTINCLUDE
//
1 TEXTINCLUDE
BEGIN
"resource.h\0"
END
2 TEXTINCLUDE
BEGIN
"#include ""afxres.h""\r\n"
"\0"
END
3 TEXTINCLUDE
BEGIN
"\r\n"
"\0"
END
#endif // APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Version
//
VS_VERSION_INFO VERSIONINFO
FILEVERSION 4,2,0,0
PRODUCTVERSION 4,2,0,0
FILEFLAGSMASK 0x17L
#ifdef _DEBUG
FILEFLAGS 0x1L
#else
FILEFLAGS 0x0L
#endif
FILEOS 0x4L
FILETYPE 0x2L
FILESUBTYPE 0x0L
BEGIN
BLOCK "StringFileInfo"
BEGIN
BLOCK "040904b0"
BEGIN
VALUE "FileDescription", "Z3 Dynamic Link Library"
VALUE "FileVersion" "4,2,0,0"
VALUE "InternalName", "Z3 DLL"
VALUE "LegalCopyright", "(c) Microsoft Corporation. All rights reserved."
VALUE "OriginalFilename", "z3.dll"
VALUE "ProductName", "Z3"
VALUE "ProductVersion", "4,2,0,0"
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x409, 1200
END
END
#endif // English (U.S.) resources
/////////////////////////////////////////////////////////////////////////////
#ifndef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 3 resource.
//
/////////////////////////////////////////////////////////////////////////////
#endif // not APSTUDIO_INVOKED

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
</Project>

24
dll/mk_def.py Normal file
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import re
pat1 = re.compile(".*Z3_API.*")
api = open('..\lib\z3_api.h', 'r')
z3def = open('z3.def', 'w')
z3dbgdef = open('z3_dbg.def', 'w')
z3def.write('LIBRARY "Z3"\nEXPORTS\n')
z3dbgdef.write('LIBRARY "Z3_DBG"\nEXPORTS\n')
num = 1
for line in api:
m = pat1.match(line)
if m:
words = re.split('\W+', line)
i = 0
for w in words:
if w == 'Z3_API':
f = words[i+1]
z3def.write('\t%s @%s\n' % (f, num))
z3dbgdef.write('\t%s @%s\n' % (f, num))
i = i + 1
num = num + 1

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//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by dll.rc
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE 101
#define _APS_NEXT_COMMAND_VALUE 40001
#define _APS_NEXT_CONTROL_VALUE 1001
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif

521
dll/z3.def Normal file
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LIBRARY "Z3"
EXPORTS
Z3_mk_config @1
Z3_del_config @2
Z3_set_param_value @3
Z3_mk_context @4
Z3_mk_context_rc @5
Z3_del_context @6
Z3_inc_ref @7
Z3_dec_ref @8
Z3_update_param_value @9
Z3_get_param_value @10
Z3_interrupt @11
Z3_mk_params @12
Z3_params_inc_ref @13
Z3_params_dec_ref @14
Z3_params_set_bool @15
Z3_params_set_uint @16
Z3_params_set_double @17
Z3_params_set_symbol @18
Z3_params_to_string @19
Z3_params_validate @20
Z3_param_descrs_inc_ref @21
Z3_param_descrs_dec_ref @22
Z3_param_descrs_get_kind @23
Z3_param_descrs_size @24
Z3_param_descrs_get_name @25
Z3_mk_int_symbol @26
Z3_mk_string_symbol @27
Z3_mk_uninterpreted_sort @28
Z3_mk_bool_sort @29
Z3_mk_int_sort @30
Z3_mk_real_sort @31
Z3_mk_bv_sort @32
Z3_mk_finite_domain_sort @33
Z3_mk_array_sort @34
Z3_mk_tuple_sort @35
Z3_mk_enumeration_sort @36
Z3_mk_list_sort @37
Z3_mk_constructor @38
Z3_del_constructor @39
Z3_mk_datatype @40
Z3_mk_constructor_list @41
Z3_del_constructor_list @42
Z3_mk_datatypes @43
Z3_query_constructor @44
Z3_mk_func_decl @45
Z3_mk_app @46
Z3_mk_const @47
Z3_mk_fresh_func_decl @48
Z3_mk_fresh_const @49
Z3_mk_true @50
Z3_mk_false @51
Z3_mk_eq @52
Z3_mk_distinct @53
Z3_mk_not @54
Z3_mk_ite @55
Z3_mk_iff @56
Z3_mk_implies @57
Z3_mk_xor @58
Z3_mk_and @59
Z3_mk_or @60
Z3_mk_add @61
Z3_mk_mul @62
Z3_mk_sub @63
Z3_mk_unary_minus @64
Z3_mk_div @65
Z3_mk_mod @66
Z3_mk_rem @67
Z3_mk_power @68
Z3_mk_lt @69
Z3_mk_le @70
Z3_mk_gt @71
Z3_mk_ge @72
Z3_mk_int2real @73
Z3_mk_real2int @74
Z3_mk_is_int @75
Z3_mk_bvnot @76
Z3_mk_bvredand @77
Z3_mk_bvredor @78
Z3_mk_bvand @79
Z3_mk_bvor @80
Z3_mk_bvxor @81
Z3_mk_bvnand @82
Z3_mk_bvnor @83
Z3_mk_bvxnor @84
Z3_mk_bvneg @85
Z3_mk_bvadd @86
Z3_mk_bvsub @87
Z3_mk_bvmul @88
Z3_mk_bvudiv @89
Z3_mk_bvsdiv @90
Z3_mk_bvurem @91
Z3_mk_bvsrem @92
Z3_mk_bvsmod @93
Z3_mk_bvult @94
Z3_mk_bvslt @95
Z3_mk_bvule @96
Z3_mk_bvsle @97
Z3_mk_bvuge @98
Z3_mk_bvsge @99
Z3_mk_bvugt @100
Z3_mk_bvsgt @101
Z3_mk_concat @102
Z3_mk_extract @103
Z3_mk_sign_ext @104
Z3_mk_zero_ext @105
Z3_mk_repeat @106
Z3_mk_bvshl @107
Z3_mk_bvlshr @108
Z3_mk_bvashr @109
Z3_mk_rotate_left @110
Z3_mk_rotate_right @111
Z3_mk_ext_rotate_left @112
Z3_mk_ext_rotate_right @113
Z3_mk_int2bv @114
Z3_mk_bv2int @115
Z3_mk_bvadd_no_overflow @116
Z3_mk_bvadd_no_underflow @117
Z3_mk_bvsub_no_overflow @118
Z3_mk_bvsub_no_underflow @119
Z3_mk_bvsdiv_no_overflow @120
Z3_mk_bvneg_no_overflow @121
Z3_mk_bvmul_no_overflow @122
Z3_mk_bvmul_no_underflow @123
Z3_mk_select @124
Z3_mk_store @125
Z3_mk_const_array @126
Z3_mk_map @127
Z3_mk_array_default @128
Z3_mk_set_sort @129
Z3_mk_empty_set @130
Z3_mk_full_set @131
Z3_mk_set_add @132
Z3_mk_set_del @133
Z3_mk_set_union @134
Z3_mk_set_intersect @135
Z3_mk_set_difference @136
Z3_mk_set_complement @137
Z3_mk_set_member @138
Z3_mk_set_subset @139
Z3_mk_numeral @140
Z3_mk_real @141
Z3_mk_int @142
Z3_mk_unsigned_int @143
Z3_mk_int64 @144
Z3_mk_unsigned_int64 @145
Z3_mk_pattern @146
Z3_mk_bound @147
Z3_mk_forall @148
Z3_mk_exists @149
Z3_mk_quantifier @150
Z3_mk_quantifier_ex @151
Z3_mk_forall_const @152
Z3_mk_exists_const @153
Z3_mk_quantifier_const @154
Z3_mk_quantifier_const_ex @155
Z3_get_symbol_kind @156
Z3_get_symbol_int @157
Z3_get_symbol_string @158
Z3_get_sort_name @159
Z3_get_sort_id @160
Z3_sort_to_ast @161
Z3_is_eq_sort @162
Z3_get_sort_kind @163
Z3_get_bv_sort_size @164
Z3_get_finite_domain_sort_size @165
Z3_get_array_sort_domain @166
Z3_get_array_sort_range @167
Z3_get_tuple_sort_mk_decl @168
Z3_get_tuple_sort_num_fields @169
Z3_get_tuple_sort_field_decl @170
Z3_get_datatype_sort_num_constructors @171
Z3_get_datatype_sort_constructor @172
Z3_get_datatype_sort_recognizer @173
Z3_get_datatype_sort_constructor_accessor @174
Z3_get_relation_arity @175
Z3_get_relation_column @176
Z3_func_decl_to_ast @177
Z3_is_eq_func_decl @178
Z3_get_func_decl_id @179
Z3_get_decl_name @180
Z3_get_decl_kind @181
Z3_get_domain_size @182
Z3_get_arity @183
Z3_get_domain @184
Z3_get_range @185
Z3_get_decl_num_parameters @186
Z3_get_decl_parameter_kind @187
Z3_get_decl_int_parameter @188
Z3_get_decl_double_parameter @189
Z3_get_decl_symbol_parameter @190
Z3_get_decl_sort_parameter @191
Z3_get_decl_ast_parameter @192
Z3_get_decl_func_decl_parameter @193
Z3_get_decl_rational_parameter @194
Z3_app_to_ast @195
Z3_get_app_decl @196
Z3_get_app_num_args @197
Z3_get_app_arg @198
Z3_is_eq_ast @199
Z3_get_ast_id @200
Z3_get_ast_hash @201
Z3_get_sort @202
Z3_is_well_sorted @203
Z3_get_bool_value @204
Z3_get_ast_kind @205
Z3_is_app @206
Z3_is_numeral_ast @207
Z3_is_algebraic_number @208
Z3_to_app @209
Z3_to_func_decl @210
Z3_get_numeral_string @211
Z3_get_numeral_decimal_string @212
Z3_get_numerator @213
Z3_get_denominator @214
Z3_get_numeral_small @215
Z3_get_numeral_int @216
Z3_get_numeral_uint @217
Z3_get_numeral_uint64 @218
Z3_get_numeral_int64 @219
Z3_get_numeral_rational_int64 @220
Z3_get_algebraic_number_lower @221
Z3_get_algebraic_number_upper @222
Z3_pattern_to_ast @223
Z3_get_pattern_num_terms @224
Z3_get_pattern @225
Z3_get_index_value @226
Z3_is_quantifier_forall @227
Z3_get_quantifier_weight @228
Z3_get_quantifier_num_patterns @229
Z3_get_quantifier_pattern_ast @230
Z3_get_quantifier_num_no_patterns @231
Z3_get_quantifier_no_pattern_ast @232
Z3_get_quantifier_bound_name @233
Z3_get_quantifier_bound_sort @234
Z3_get_quantifier_body @235
Z3_get_quantifier_num_bound @236
Z3_simplify @237
Z3_simplify_ex @238
Z3_simplify_get_help @239
Z3_simplify_get_param_descrs @240
Z3_update_term @241
Z3_substitute @242
Z3_substitute_vars @243
Z3_translate @244
Z3_model_inc_ref @245
Z3_model_dec_ref @246
Z3_model_eval @247
Z3_model_get_const_interp @248
Z3_model_get_func_interp @249
Z3_model_get_num_consts @250
Z3_model_get_const_decl @251
Z3_model_get_num_funcs @252
Z3_model_get_func_decl @253
Z3_model_get_num_sorts @254
Z3_model_get_sort @255
Z3_model_get_sort_universe @256
Z3_is_as_array @257
Z3_get_as_array_func_decl @258
Z3_func_interp_inc_ref @259
Z3_func_interp_dec_ref @260
Z3_func_interp_get_num_entries @261
Z3_func_interp_get_entry @262
Z3_func_interp_get_else @263
Z3_func_interp_get_arity @264
Z3_func_entry_inc_ref @265
Z3_func_entry_dec_ref @266
Z3_func_entry_get_value @267
Z3_func_entry_get_num_args @268
Z3_func_entry_get_arg @269
Z3_open_log @270
Z3_append_log @271
Z3_close_log @272
Z3_toggle_warning_messages @273
Z3_set_ast_print_mode @274
Z3_ast_to_string @275
Z3_pattern_to_string @276
Z3_sort_to_string @277
Z3_func_decl_to_string @278
Z3_model_to_string @279
Z3_benchmark_to_smtlib_string @280
Z3_parse_smtlib2_string @281
Z3_parse_smtlib2_file @282
Z3_parse_smtlib_string @283
Z3_parse_smtlib_file @284
Z3_get_smtlib_num_formulas @285
Z3_get_smtlib_formula @286
Z3_get_smtlib_num_assumptions @287
Z3_get_smtlib_assumption @288
Z3_get_smtlib_num_decls @289
Z3_get_smtlib_decl @290
Z3_get_smtlib_num_sorts @291
Z3_get_smtlib_sort @292
Z3_get_smtlib_error @293
Z3_parse_z3_string @294
Z3_parse_z3_file @295
Z3_get_error_code @296
Z3_set_error_handler @297
Z3_set_error @298
Z3_get_error_msg @299
Z3_get_error_msg_ex @300
Z3_get_version @301
Z3_reset_memory @302
Z3_mk_theory @303
Z3_theory_get_ext_data @304
Z3_theory_mk_sort @305
Z3_theory_mk_value @306
Z3_theory_mk_constant @307
Z3_theory_mk_func_decl @308
Z3_theory_get_context @309
Z3_set_delete_callback @310
Z3_set_reduce_app_callback @311
Z3_set_reduce_eq_callback @312
Z3_set_reduce_distinct_callback @313
Z3_set_new_app_callback @314
Z3_set_new_elem_callback @315
Z3_set_init_search_callback @316
Z3_set_push_callback @317
Z3_set_pop_callback @318
Z3_set_restart_callback @319
Z3_set_reset_callback @320
Z3_set_final_check_callback @321
Z3_set_new_eq_callback @322
Z3_set_new_diseq_callback @323
Z3_set_new_assignment_callback @324
Z3_set_new_relevant_callback @325
Z3_theory_assert_axiom @326
Z3_theory_assume_eq @327
Z3_theory_enable_axiom_simplification @328
Z3_theory_get_eqc_root @329
Z3_theory_get_eqc_next @330
Z3_theory_get_num_parents @331
Z3_theory_get_parent @332
Z3_theory_is_value @333
Z3_theory_is_decl @334
Z3_theory_get_num_elems @335
Z3_theory_get_elem @336
Z3_theory_get_num_apps @337
Z3_theory_get_app @338
Z3_mk_fixedpoint @339
Z3_fixedpoint_inc_ref @340
Z3_fixedpoint_dec_ref @341
Z3_fixedpoint_add_rule @342
Z3_fixedpoint_add_fact @343
Z3_fixedpoint_assert @344
Z3_fixedpoint_query @345
Z3_fixedpoint_query_relations @346
Z3_fixedpoint_get_answer @347
Z3_fixedpoint_get_reason_unknown @348
Z3_fixedpoint_update_rule @349
Z3_fixedpoint_get_num_levels @350
Z3_fixedpoint_get_cover_delta @351
Z3_fixedpoint_add_cover @352
Z3_fixedpoint_get_statistics @353
Z3_fixedpoint_register_relation @354
Z3_fixedpoint_set_predicate_representation @355
Z3_fixedpoint_simplify_rules @356
Z3_fixedpoint_set_params @357
Z3_fixedpoint_get_help @358
Z3_fixedpoint_get_param_descrs @359
Z3_fixedpoint_to_string @360
Z3_fixedpoint_push @361
Z3_fixedpoint_pop @362
Z3_fixedpoint_init @363
Z3_fixedpoint_set_reduce_assign_callback @364
Z3_fixedpoint_set_reduce_app_callback @365
Z3_mk_ast_vector @366
Z3_ast_vector_inc_ref @367
Z3_ast_vector_dec_ref @368
Z3_ast_vector_size @369
Z3_ast_vector_get @370
Z3_ast_vector_set @371
Z3_ast_vector_resize @372
Z3_ast_vector_push @373
Z3_ast_vector_translate @374
Z3_ast_vector_to_string @375
Z3_mk_ast_map @376
Z3_ast_map_inc_ref @377
Z3_ast_map_dec_ref @378
Z3_ast_map_contains @379
Z3_ast_map_find @380
Z3_ast_map_insert @381
Z3_ast_map_erase @382
Z3_ast_map_reset @383
Z3_ast_map_size @384
Z3_ast_map_keys @385
Z3_ast_map_to_string @386
Z3_mk_goal @387
Z3_goal_inc_ref @388
Z3_goal_dec_ref @389
Z3_goal_precision @390
Z3_goal_assert @391
Z3_goal_inconsistent @392
Z3_goal_depth @393
Z3_goal_reset @394
Z3_goal_size @395
Z3_goal_formula @396
Z3_goal_num_exprs @397
Z3_goal_is_decided_sat @398
Z3_goal_is_decided_unsat @399
Z3_goal_translate @400
Z3_goal_to_string @401
Z3_mk_tactic @402
Z3_tactic_inc_ref @403
Z3_tactic_dec_ref @404
Z3_mk_probe @405
Z3_probe_inc_ref @406
Z3_probe_dec_ref @407
Z3_tactic_and_then @408
Z3_tactic_or_else @409
Z3_tactic_par_or @410
Z3_tactic_par_and_then @411
Z3_tactic_try_for @412
Z3_tactic_when @413
Z3_tactic_cond @414
Z3_tactic_repeat @415
Z3_tactic_skip @416
Z3_tactic_fail @417
Z3_tactic_fail_if @418
Z3_tactic_fail_if_not_decided @419
Z3_tactic_using_params @420
Z3_probe_const @421
Z3_probe_lt @422
Z3_probe_gt @423
Z3_probe_le @424
Z3_probe_ge @425
Z3_probe_eq @426
Z3_probe_and @427
Z3_probe_or @428
Z3_probe_not @429
Z3_get_num_tactics @430
Z3_get_tactic_name @431
Z3_get_num_probes @432
Z3_get_probe_name @433
Z3_tactic_get_help @434
Z3_tactic_get_param_descrs @435
Z3_tactic_get_descr @436
Z3_probe_get_descr @437
Z3_probe_apply @438
Z3_tactic_apply @439
Z3_tactic_apply_ex @440
Z3_apply_result_inc_ref @441
Z3_apply_result_dec_ref @442
Z3_apply_result_to_string @443
Z3_apply_result_get_num_subgoals @444
Z3_apply_result_get_subgoal @445
Z3_apply_result_convert_model @446
Z3_mk_solver @447
Z3_mk_simple_solver @448
Z3_mk_solver_for_logic @449
Z3_mk_solver_from_tactic @450
Z3_solver_get_help @451
Z3_solver_get_param_descrs @452
Z3_solver_set_params @453
Z3_solver_inc_ref @454
Z3_solver_dec_ref @455
Z3_solver_push @456
Z3_solver_pop @457
Z3_solver_reset @458
Z3_solver_get_num_scopes @459
Z3_solver_assert @460
Z3_solver_get_assertions @461
Z3_solver_check @462
Z3_solver_check_assumptions @463
Z3_solver_get_model @464
Z3_solver_get_proof @465
Z3_solver_get_unsat_core @466
Z3_solver_get_reason_unknown @467
Z3_solver_get_statistics @468
Z3_solver_to_string @469
Z3_stats_to_string @470
Z3_stats_inc_ref @471
Z3_stats_dec_ref @472
Z3_stats_size @473
Z3_stats_get_key @474
Z3_stats_is_uint @475
Z3_stats_is_double @476
Z3_stats_get_uint_value @477
Z3_stats_get_double_value @478
Z3_mk_injective_function @479
Z3_set_logic @480
Z3_push @481
Z3_pop @482
Z3_get_num_scopes @483
Z3_persist_ast @484
Z3_assert_cnstr @485
Z3_check_and_get_model @486
Z3_check @487
Z3_check_assumptions @488
Z3_get_implied_equalities @489
Z3_del_model @490
Z3_soft_check_cancel @491
Z3_get_search_failure @492
Z3_mk_label @493
Z3_get_relevant_labels @494
Z3_get_relevant_literals @495
Z3_get_guessed_literals @496
Z3_del_literals @497
Z3_get_num_literals @498
Z3_get_label_symbol @499
Z3_get_literal @500
Z3_disable_literal @501
Z3_block_literals @502
Z3_get_model_num_constants @503
Z3_get_model_constant @504
Z3_get_model_num_funcs @505
Z3_get_model_func_decl @506
Z3_eval_func_decl @507
Z3_is_array_value @508
Z3_get_array_value @509
Z3_get_model_func_else @510
Z3_get_model_func_num_entries @511
Z3_get_model_func_entry_num_args @512
Z3_get_model_func_entry_arg @513
Z3_get_model_func_entry_value @514
Z3_eval @515
Z3_eval_decl @516
Z3_context_to_string @517
Z3_statistics_to_string @518
Z3_get_context_assignment @519

521
dll/z3_dbg.def Normal file
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@ -0,0 +1,521 @@
LIBRARY "Z3_DBG"
EXPORTS
Z3_mk_config @1
Z3_del_config @2
Z3_set_param_value @3
Z3_mk_context @4
Z3_mk_context_rc @5
Z3_del_context @6
Z3_inc_ref @7
Z3_dec_ref @8
Z3_update_param_value @9
Z3_get_param_value @10
Z3_interrupt @11
Z3_mk_params @12
Z3_params_inc_ref @13
Z3_params_dec_ref @14
Z3_params_set_bool @15
Z3_params_set_uint @16
Z3_params_set_double @17
Z3_params_set_symbol @18
Z3_params_to_string @19
Z3_params_validate @20
Z3_param_descrs_inc_ref @21
Z3_param_descrs_dec_ref @22
Z3_param_descrs_get_kind @23
Z3_param_descrs_size @24
Z3_param_descrs_get_name @25
Z3_mk_int_symbol @26
Z3_mk_string_symbol @27
Z3_mk_uninterpreted_sort @28
Z3_mk_bool_sort @29
Z3_mk_int_sort @30
Z3_mk_real_sort @31
Z3_mk_bv_sort @32
Z3_mk_finite_domain_sort @33
Z3_mk_array_sort @34
Z3_mk_tuple_sort @35
Z3_mk_enumeration_sort @36
Z3_mk_list_sort @37
Z3_mk_constructor @38
Z3_del_constructor @39
Z3_mk_datatype @40
Z3_mk_constructor_list @41
Z3_del_constructor_list @42
Z3_mk_datatypes @43
Z3_query_constructor @44
Z3_mk_func_decl @45
Z3_mk_app @46
Z3_mk_const @47
Z3_mk_fresh_func_decl @48
Z3_mk_fresh_const @49
Z3_mk_true @50
Z3_mk_false @51
Z3_mk_eq @52
Z3_mk_distinct @53
Z3_mk_not @54
Z3_mk_ite @55
Z3_mk_iff @56
Z3_mk_implies @57
Z3_mk_xor @58
Z3_mk_and @59
Z3_mk_or @60
Z3_mk_add @61
Z3_mk_mul @62
Z3_mk_sub @63
Z3_mk_unary_minus @64
Z3_mk_div @65
Z3_mk_mod @66
Z3_mk_rem @67
Z3_mk_power @68
Z3_mk_lt @69
Z3_mk_le @70
Z3_mk_gt @71
Z3_mk_ge @72
Z3_mk_int2real @73
Z3_mk_real2int @74
Z3_mk_is_int @75
Z3_mk_bvnot @76
Z3_mk_bvredand @77
Z3_mk_bvredor @78
Z3_mk_bvand @79
Z3_mk_bvor @80
Z3_mk_bvxor @81
Z3_mk_bvnand @82
Z3_mk_bvnor @83
Z3_mk_bvxnor @84
Z3_mk_bvneg @85
Z3_mk_bvadd @86
Z3_mk_bvsub @87
Z3_mk_bvmul @88
Z3_mk_bvudiv @89
Z3_mk_bvsdiv @90
Z3_mk_bvurem @91
Z3_mk_bvsrem @92
Z3_mk_bvsmod @93
Z3_mk_bvult @94
Z3_mk_bvslt @95
Z3_mk_bvule @96
Z3_mk_bvsle @97
Z3_mk_bvuge @98
Z3_mk_bvsge @99
Z3_mk_bvugt @100
Z3_mk_bvsgt @101
Z3_mk_concat @102
Z3_mk_extract @103
Z3_mk_sign_ext @104
Z3_mk_zero_ext @105
Z3_mk_repeat @106
Z3_mk_bvshl @107
Z3_mk_bvlshr @108
Z3_mk_bvashr @109
Z3_mk_rotate_left @110
Z3_mk_rotate_right @111
Z3_mk_ext_rotate_left @112
Z3_mk_ext_rotate_right @113
Z3_mk_int2bv @114
Z3_mk_bv2int @115
Z3_mk_bvadd_no_overflow @116
Z3_mk_bvadd_no_underflow @117
Z3_mk_bvsub_no_overflow @118
Z3_mk_bvsub_no_underflow @119
Z3_mk_bvsdiv_no_overflow @120
Z3_mk_bvneg_no_overflow @121
Z3_mk_bvmul_no_overflow @122
Z3_mk_bvmul_no_underflow @123
Z3_mk_select @124
Z3_mk_store @125
Z3_mk_const_array @126
Z3_mk_map @127
Z3_mk_array_default @128
Z3_mk_set_sort @129
Z3_mk_empty_set @130
Z3_mk_full_set @131
Z3_mk_set_add @132
Z3_mk_set_del @133
Z3_mk_set_union @134
Z3_mk_set_intersect @135
Z3_mk_set_difference @136
Z3_mk_set_complement @137
Z3_mk_set_member @138
Z3_mk_set_subset @139
Z3_mk_numeral @140
Z3_mk_real @141
Z3_mk_int @142
Z3_mk_unsigned_int @143
Z3_mk_int64 @144
Z3_mk_unsigned_int64 @145
Z3_mk_pattern @146
Z3_mk_bound @147
Z3_mk_forall @148
Z3_mk_exists @149
Z3_mk_quantifier @150
Z3_mk_quantifier_ex @151
Z3_mk_forall_const @152
Z3_mk_exists_const @153
Z3_mk_quantifier_const @154
Z3_mk_quantifier_const_ex @155
Z3_get_symbol_kind @156
Z3_get_symbol_int @157
Z3_get_symbol_string @158
Z3_get_sort_name @159
Z3_get_sort_id @160
Z3_sort_to_ast @161
Z3_is_eq_sort @162
Z3_get_sort_kind @163
Z3_get_bv_sort_size @164
Z3_get_finite_domain_sort_size @165
Z3_get_array_sort_domain @166
Z3_get_array_sort_range @167
Z3_get_tuple_sort_mk_decl @168
Z3_get_tuple_sort_num_fields @169
Z3_get_tuple_sort_field_decl @170
Z3_get_datatype_sort_num_constructors @171
Z3_get_datatype_sort_constructor @172
Z3_get_datatype_sort_recognizer @173
Z3_get_datatype_sort_constructor_accessor @174
Z3_get_relation_arity @175
Z3_get_relation_column @176
Z3_func_decl_to_ast @177
Z3_is_eq_func_decl @178
Z3_get_func_decl_id @179
Z3_get_decl_name @180
Z3_get_decl_kind @181
Z3_get_domain_size @182
Z3_get_arity @183
Z3_get_domain @184
Z3_get_range @185
Z3_get_decl_num_parameters @186
Z3_get_decl_parameter_kind @187
Z3_get_decl_int_parameter @188
Z3_get_decl_double_parameter @189
Z3_get_decl_symbol_parameter @190
Z3_get_decl_sort_parameter @191
Z3_get_decl_ast_parameter @192
Z3_get_decl_func_decl_parameter @193
Z3_get_decl_rational_parameter @194
Z3_app_to_ast @195
Z3_get_app_decl @196
Z3_get_app_num_args @197
Z3_get_app_arg @198
Z3_is_eq_ast @199
Z3_get_ast_id @200
Z3_get_ast_hash @201
Z3_get_sort @202
Z3_is_well_sorted @203
Z3_get_bool_value @204
Z3_get_ast_kind @205
Z3_is_app @206
Z3_is_numeral_ast @207
Z3_is_algebraic_number @208
Z3_to_app @209
Z3_to_func_decl @210
Z3_get_numeral_string @211
Z3_get_numeral_decimal_string @212
Z3_get_numerator @213
Z3_get_denominator @214
Z3_get_numeral_small @215
Z3_get_numeral_int @216
Z3_get_numeral_uint @217
Z3_get_numeral_uint64 @218
Z3_get_numeral_int64 @219
Z3_get_numeral_rational_int64 @220
Z3_get_algebraic_number_lower @221
Z3_get_algebraic_number_upper @222
Z3_pattern_to_ast @223
Z3_get_pattern_num_terms @224
Z3_get_pattern @225
Z3_get_index_value @226
Z3_is_quantifier_forall @227
Z3_get_quantifier_weight @228
Z3_get_quantifier_num_patterns @229
Z3_get_quantifier_pattern_ast @230
Z3_get_quantifier_num_no_patterns @231
Z3_get_quantifier_no_pattern_ast @232
Z3_get_quantifier_bound_name @233
Z3_get_quantifier_bound_sort @234
Z3_get_quantifier_body @235
Z3_get_quantifier_num_bound @236
Z3_simplify @237
Z3_simplify_ex @238
Z3_simplify_get_help @239
Z3_simplify_get_param_descrs @240
Z3_update_term @241
Z3_substitute @242
Z3_substitute_vars @243
Z3_translate @244
Z3_model_inc_ref @245
Z3_model_dec_ref @246
Z3_model_eval @247
Z3_model_get_const_interp @248
Z3_model_get_func_interp @249
Z3_model_get_num_consts @250
Z3_model_get_const_decl @251
Z3_model_get_num_funcs @252
Z3_model_get_func_decl @253
Z3_model_get_num_sorts @254
Z3_model_get_sort @255
Z3_model_get_sort_universe @256
Z3_is_as_array @257
Z3_get_as_array_func_decl @258
Z3_func_interp_inc_ref @259
Z3_func_interp_dec_ref @260
Z3_func_interp_get_num_entries @261
Z3_func_interp_get_entry @262
Z3_func_interp_get_else @263
Z3_func_interp_get_arity @264
Z3_func_entry_inc_ref @265
Z3_func_entry_dec_ref @266
Z3_func_entry_get_value @267
Z3_func_entry_get_num_args @268
Z3_func_entry_get_arg @269
Z3_open_log @270
Z3_append_log @271
Z3_close_log @272
Z3_toggle_warning_messages @273
Z3_set_ast_print_mode @274
Z3_ast_to_string @275
Z3_pattern_to_string @276
Z3_sort_to_string @277
Z3_func_decl_to_string @278
Z3_model_to_string @279
Z3_benchmark_to_smtlib_string @280
Z3_parse_smtlib2_string @281
Z3_parse_smtlib2_file @282
Z3_parse_smtlib_string @283
Z3_parse_smtlib_file @284
Z3_get_smtlib_num_formulas @285
Z3_get_smtlib_formula @286
Z3_get_smtlib_num_assumptions @287
Z3_get_smtlib_assumption @288
Z3_get_smtlib_num_decls @289
Z3_get_smtlib_decl @290
Z3_get_smtlib_num_sorts @291
Z3_get_smtlib_sort @292
Z3_get_smtlib_error @293
Z3_parse_z3_string @294
Z3_parse_z3_file @295
Z3_get_error_code @296
Z3_set_error_handler @297
Z3_set_error @298
Z3_get_error_msg @299
Z3_get_error_msg_ex @300
Z3_get_version @301
Z3_reset_memory @302
Z3_mk_theory @303
Z3_theory_get_ext_data @304
Z3_theory_mk_sort @305
Z3_theory_mk_value @306
Z3_theory_mk_constant @307
Z3_theory_mk_func_decl @308
Z3_theory_get_context @309
Z3_set_delete_callback @310
Z3_set_reduce_app_callback @311
Z3_set_reduce_eq_callback @312
Z3_set_reduce_distinct_callback @313
Z3_set_new_app_callback @314
Z3_set_new_elem_callback @315
Z3_set_init_search_callback @316
Z3_set_push_callback @317
Z3_set_pop_callback @318
Z3_set_restart_callback @319
Z3_set_reset_callback @320
Z3_set_final_check_callback @321
Z3_set_new_eq_callback @322
Z3_set_new_diseq_callback @323
Z3_set_new_assignment_callback @324
Z3_set_new_relevant_callback @325
Z3_theory_assert_axiom @326
Z3_theory_assume_eq @327
Z3_theory_enable_axiom_simplification @328
Z3_theory_get_eqc_root @329
Z3_theory_get_eqc_next @330
Z3_theory_get_num_parents @331
Z3_theory_get_parent @332
Z3_theory_is_value @333
Z3_theory_is_decl @334
Z3_theory_get_num_elems @335
Z3_theory_get_elem @336
Z3_theory_get_num_apps @337
Z3_theory_get_app @338
Z3_mk_fixedpoint @339
Z3_fixedpoint_inc_ref @340
Z3_fixedpoint_dec_ref @341
Z3_fixedpoint_add_rule @342
Z3_fixedpoint_add_fact @343
Z3_fixedpoint_assert @344
Z3_fixedpoint_query @345
Z3_fixedpoint_query_relations @346
Z3_fixedpoint_get_answer @347
Z3_fixedpoint_get_reason_unknown @348
Z3_fixedpoint_update_rule @349
Z3_fixedpoint_get_num_levels @350
Z3_fixedpoint_get_cover_delta @351
Z3_fixedpoint_add_cover @352
Z3_fixedpoint_get_statistics @353
Z3_fixedpoint_register_relation @354
Z3_fixedpoint_set_predicate_representation @355
Z3_fixedpoint_simplify_rules @356
Z3_fixedpoint_set_params @357
Z3_fixedpoint_get_help @358
Z3_fixedpoint_get_param_descrs @359
Z3_fixedpoint_to_string @360
Z3_fixedpoint_push @361
Z3_fixedpoint_pop @362
Z3_fixedpoint_init @363
Z3_fixedpoint_set_reduce_assign_callback @364
Z3_fixedpoint_set_reduce_app_callback @365
Z3_mk_ast_vector @366
Z3_ast_vector_inc_ref @367
Z3_ast_vector_dec_ref @368
Z3_ast_vector_size @369
Z3_ast_vector_get @370
Z3_ast_vector_set @371
Z3_ast_vector_resize @372
Z3_ast_vector_push @373
Z3_ast_vector_translate @374
Z3_ast_vector_to_string @375
Z3_mk_ast_map @376
Z3_ast_map_inc_ref @377
Z3_ast_map_dec_ref @378
Z3_ast_map_contains @379
Z3_ast_map_find @380
Z3_ast_map_insert @381
Z3_ast_map_erase @382
Z3_ast_map_reset @383
Z3_ast_map_size @384
Z3_ast_map_keys @385
Z3_ast_map_to_string @386
Z3_mk_goal @387
Z3_goal_inc_ref @388
Z3_goal_dec_ref @389
Z3_goal_precision @390
Z3_goal_assert @391
Z3_goal_inconsistent @392
Z3_goal_depth @393
Z3_goal_reset @394
Z3_goal_size @395
Z3_goal_formula @396
Z3_goal_num_exprs @397
Z3_goal_is_decided_sat @398
Z3_goal_is_decided_unsat @399
Z3_goal_translate @400
Z3_goal_to_string @401
Z3_mk_tactic @402
Z3_tactic_inc_ref @403
Z3_tactic_dec_ref @404
Z3_mk_probe @405
Z3_probe_inc_ref @406
Z3_probe_dec_ref @407
Z3_tactic_and_then @408
Z3_tactic_or_else @409
Z3_tactic_par_or @410
Z3_tactic_par_and_then @411
Z3_tactic_try_for @412
Z3_tactic_when @413
Z3_tactic_cond @414
Z3_tactic_repeat @415
Z3_tactic_skip @416
Z3_tactic_fail @417
Z3_tactic_fail_if @418
Z3_tactic_fail_if_not_decided @419
Z3_tactic_using_params @420
Z3_probe_const @421
Z3_probe_lt @422
Z3_probe_gt @423
Z3_probe_le @424
Z3_probe_ge @425
Z3_probe_eq @426
Z3_probe_and @427
Z3_probe_or @428
Z3_probe_not @429
Z3_get_num_tactics @430
Z3_get_tactic_name @431
Z3_get_num_probes @432
Z3_get_probe_name @433
Z3_tactic_get_help @434
Z3_tactic_get_param_descrs @435
Z3_tactic_get_descr @436
Z3_probe_get_descr @437
Z3_probe_apply @438
Z3_tactic_apply @439
Z3_tactic_apply_ex @440
Z3_apply_result_inc_ref @441
Z3_apply_result_dec_ref @442
Z3_apply_result_to_string @443
Z3_apply_result_get_num_subgoals @444
Z3_apply_result_get_subgoal @445
Z3_apply_result_convert_model @446
Z3_mk_solver @447
Z3_mk_simple_solver @448
Z3_mk_solver_for_logic @449
Z3_mk_solver_from_tactic @450
Z3_solver_get_help @451
Z3_solver_get_param_descrs @452
Z3_solver_set_params @453
Z3_solver_inc_ref @454
Z3_solver_dec_ref @455
Z3_solver_push @456
Z3_solver_pop @457
Z3_solver_reset @458
Z3_solver_get_num_scopes @459
Z3_solver_assert @460
Z3_solver_get_assertions @461
Z3_solver_check @462
Z3_solver_check_assumptions @463
Z3_solver_get_model @464
Z3_solver_get_proof @465
Z3_solver_get_unsat_core @466
Z3_solver_get_reason_unknown @467
Z3_solver_get_statistics @468
Z3_solver_to_string @469
Z3_stats_to_string @470
Z3_stats_inc_ref @471
Z3_stats_dec_ref @472
Z3_stats_size @473
Z3_stats_get_key @474
Z3_stats_is_uint @475
Z3_stats_is_double @476
Z3_stats_get_uint_value @477
Z3_stats_get_double_value @478
Z3_mk_injective_function @479
Z3_set_logic @480
Z3_push @481
Z3_pop @482
Z3_get_num_scopes @483
Z3_persist_ast @484
Z3_assert_cnstr @485
Z3_check_and_get_model @486
Z3_check @487
Z3_check_assumptions @488
Z3_get_implied_equalities @489
Z3_del_model @490
Z3_soft_check_cancel @491
Z3_get_search_failure @492
Z3_mk_label @493
Z3_get_relevant_labels @494
Z3_get_relevant_literals @495
Z3_get_guessed_literals @496
Z3_del_literals @497
Z3_get_num_literals @498
Z3_get_label_symbol @499
Z3_get_literal @500
Z3_disable_literal @501
Z3_block_literals @502
Z3_get_model_num_constants @503
Z3_get_model_constant @504
Z3_get_model_num_funcs @505
Z3_get_model_func_decl @506
Z3_eval_func_decl @507
Z3_is_array_value @508
Z3_get_array_value @509
Z3_get_model_func_else @510
Z3_get_model_func_num_entries @511
Z3_get_model_func_entry_num_args @512
Z3_get_model_func_entry_arg @513
Z3_get_model_func_entry_value @514
Z3_eval @515
Z3_eval_decl @516
Z3_context_to_string @517
Z3_statistics_to_string @518
Z3_get_context_assignment @519

25
maxsat/README-external.txt Normal file
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@ -0,0 +1,25 @@
WARNING: this example still uses the old Z3 (version 3.x) C API. The current version is backward compatible.
This directory contains scripts to build the MaxSAT application using
Microsoft C compiler, or gcc.
1) Using Microsoft C compiler
Use 'build.cmd' to build the MaxSAT application using Microsoft C
compiler.
Remark: The Microsoft C compiler (cl) must be in your path,
or you can use the Visual Studio Command Prompt.
The script 'exec.cmd' adds the bin directory to the path. So,
maxsat.exe can find z3.dll.
2) Using gcc
Use 'build.sh' to build the MaxSAT application using gcc.
The script 'exec.sh' adds the bin directory to the path. So,
maxsat.exe can find z3.dll.
Remark: the scripts 'build.sh' and 'exec.sh' assumes you are in a
Cygwin or Mingw shell.

8
maxsat/README-linux.txt Normal file
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@ -0,0 +1,8 @@
WARNING: this example still uses the old Z3 (version 3.x) C API. The current version is backward compatible.
This directory contains scripts to build the MaxSAT application using gcc.
Use 'build.sh' to build the MaxSAT application using gcc.
The script 'exec.sh' adds the lib directory to the path. So,
maxsat can find libz3.so.

8
maxsat/README-osx.txt Normal file
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@ -0,0 +1,8 @@
WARNING: this example still uses the old Z3 (version 3.x) C API. The current version is backward compatible.
This directory contains scripts to build the MaxSAT application using gcc.
Use 'build.sh' to build the MaxSAT application using gcc.
The script 'exec.sh' adds the lib directory to the path. So,
maxsat can find libz3.dylib.

1
maxsat/build-external-linux.sh Normal file
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@ -0,0 +1 @@
gcc -fopenmp -o maxsat maxsat.c -I ../../include -L ../../lib -lz3

1
maxsat/build-external-osx.sh Normal file
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@ -0,0 +1 @@
gcc -fopenmp -o maxsat maxsat.c -I ../../include -L ../../lib -lz3

1
maxsat/build-external.cmd Normal file
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@ -0,0 +1 @@
cl /I ..\..\include ..\..\bin\z3.lib maxsat.c

1
maxsat/build-external.sh Normal file
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@ -0,0 +1 @@
gcc -o maxsat.exe -I ../../include ../../bin/z3.dll maxsat.c

4
maxsat/build-static-linux.sh Normal file
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@ -0,0 +1,4 @@
# Note: Z3 was built using C++, so libz3.a has C++ dependencies.
# You can use gcc to link the program, but you need tell it
# to link the C++ libraries
g++ -fopenmp -static -I../../include -L../../lib maxsat.c -lz3 -o maxsat

4
maxsat/build-static-osx.sh Normal file
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@ -0,0 +1,4 @@
# Note: Z3 was built using C++, so libz3.a has C++ dependencies.
# You can use gcc to link the program, but you need tell it
# to link the C++ libraries
g++ -fopenmp -I../../include maxsat.c ../../lib/libz3.a -o maxsat

11
maxsat/ex.smt Normal file
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@ -0,0 +1,11 @@
(benchmark ex
:logic AUFLIA
:extrafuns ((x Int) (y Int) (z Int))
:assumption (> x 0)
:assumption (<= x -1)
:assumption (or (> x 0) (< y 1))
:assumption (> y 2)
:assumption (> y 3)
:assumption (<= y -1)
:formula (= z (+ x y)))

2
maxsat/exec-external-linux.sh Normal file
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@ -0,0 +1,2 @@
export LD_LIBRARY_PATH=../../lib:$LD_LIBRARY_PATH
./maxsat $1

2
maxsat/exec-external-osx.sh Normal file
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@ -0,0 +1,2 @@
export DYLD_LIBRARY_PATH=../../lib:$DYLD_LIBRARY_PATH
./maxsat $1

5
maxsat/exec-external.cmd Normal file
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@ -0,0 +1,5 @@
@echo off
SETLOCAL
set PATH=..\..\bin;%PATH%
maxsat.exe %1
ENDLOCAL

2
maxsat/exec-external.sh Normal file
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@ -0,0 +1,2 @@
export PATH=../../bin:$PATH
./maxsat.exe $1

632
maxsat/maxsat.c Normal file
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@ -0,0 +1,632 @@
/*
Simple MAXSAT solver on top of the Z3 API.
*/
#include<stdio.h>
#include<stdlib.h>
#include<memory.h>
#include<z3.h>
/**
\defgroup maxsat_ex MaxSAT/MaxSMT examples
*/
/*@{*/
/**
\brief Exit gracefully in case of error.
*/
void error(char * msg)
{
fprintf(stderr, "%s\n", msg);
exit(1);
}
/**
\brief Create a logical context.
Enable model construction only.
*/
Z3_context mk_context()
{
Z3_config cfg;
Z3_context ctx;
cfg = Z3_mk_config();
Z3_set_param_value(cfg, "MODEL", "true");
ctx = Z3_mk_context(cfg);
Z3_del_config(cfg);
return ctx;
}
/**
\brief Create a variable using the given name and type.
*/
Z3_ast mk_var(Z3_context ctx, const char * name, Z3_sort ty)
{
Z3_symbol s = Z3_mk_string_symbol(ctx, name);
return Z3_mk_const(ctx, s, ty);
}
/**
\brief Create a boolean variable using the given name.
*/
Z3_ast mk_bool_var(Z3_context ctx, const char * name)
{
Z3_sort ty = Z3_mk_bool_sort(ctx);
return mk_var(ctx, name, ty);
}
/**
\brief Create a fresh boolean variable.
*/
Z3_ast mk_fresh_bool_var(Z3_context ctx)
{
return Z3_mk_fresh_const(ctx, "k", Z3_mk_bool_sort(ctx));
}
/**
\brief Create an array with \c num_vars fresh boolean variables.
*/
Z3_ast * mk_fresh_bool_var_array(Z3_context ctx, unsigned num_vars)
{
Z3_ast * result = (Z3_ast *) malloc(sizeof(Z3_ast) * num_vars);
unsigned i;
for (i = 0; i < num_vars; i++) {
result[i] = mk_fresh_bool_var(ctx);
}
return result;
}
/**
\brief Delete array of boolean variables.
*/
void del_bool_var_array(Z3_ast * arr)
{
free(arr);
}
/**
\brief Create a binary OR.
*/
Z3_ast mk_binary_or(Z3_context ctx, Z3_ast in_1, Z3_ast in_2)
{
Z3_ast args[2] = { in_1, in_2 };
return Z3_mk_or(ctx, 2, args);
}
/**
\brief Create a ternary OR.
*/
Z3_ast mk_ternary_or(Z3_context ctx, Z3_ast in_1, Z3_ast in_2, Z3_ast in_3)
{
Z3_ast args[3] = { in_1, in_2, in_3 };
return Z3_mk_or(ctx, 3, args);
}
/**
\brief Create a binary AND.
*/
Z3_ast mk_binary_and(Z3_context ctx, Z3_ast in_1, Z3_ast in_2)
{
Z3_ast args[2] = { in_1, in_2 };
return Z3_mk_and(ctx, 2, args);
}
/**
\brief Get hard constraints from a SMT-LIB file. We assume hard constraints
are formulas preceeded with the keyword :formula.
Return an array containing all formulas read by the last Z3_parse_smtlib_file invocation.
It will store the number of formulas in num_cnstrs.
*/
Z3_ast * get_hard_constraints(Z3_context ctx, unsigned * num_cnstrs)
{
Z3_ast * result;
unsigned i;
*num_cnstrs = Z3_get_smtlib_num_formulas(ctx);
result = (Z3_ast *) malloc(sizeof(Z3_ast) * (*num_cnstrs));
for (i = 0; i < *num_cnstrs; i++) {
result[i] = Z3_get_smtlib_formula(ctx, i);
}
return result;
}
/**
\brief Get soft constraints from a SMT-LIB file. We assume soft constraints
are formulas preceeded with the keyword :assumption.
Return an array containing all assumptions read by the last Z3_parse_smtlib_file invocation.
It will store the number of formulas in num_cnstrs.
*/
Z3_ast * get_soft_constraints(Z3_context ctx, unsigned * num_cnstrs)
{
Z3_ast * result;
unsigned i;
*num_cnstrs = Z3_get_smtlib_num_assumptions(ctx);
result = (Z3_ast *) malloc(sizeof(Z3_ast) * (*num_cnstrs));
for (i = 0; i < *num_cnstrs; i++) {
result[i] = Z3_get_smtlib_assumption(ctx, i);
}
return result;
}
/**
\brief Free the given array of cnstrs that was allocated using get_hard_constraints or get_soft_constraints.
*/
void free_cnstr_array(Z3_ast * cnstrs)
{
free(cnstrs);
}
/**
\brief Assert hard constraints stored in the given array.
*/
void assert_hard_constraints(Z3_context ctx, unsigned num_cnstrs, Z3_ast * cnstrs)
{
unsigned i;
for (i = 0; i < num_cnstrs; i++) {
Z3_assert_cnstr(ctx, cnstrs[i]);
}
}
/**
\brief Assert soft constraints stored in the given array.
This funtion will assert each soft-constraint C_i as (C_i or k_i) where k_i is a fresh boolean variable.
It will also return an array containing these fresh variables.
*/
Z3_ast * assert_soft_constraints(Z3_context ctx, unsigned num_cnstrs, Z3_ast * cnstrs)
{
unsigned i;
Z3_ast * aux_vars;
aux_vars = mk_fresh_bool_var_array(ctx, num_cnstrs);
for (i = 0; i < num_cnstrs; i++) {
Z3_ast assumption = cnstrs[i];
Z3_assert_cnstr(ctx, mk_binary_or(ctx, assumption, aux_vars[i]));
}
return aux_vars;
}
/**
\brief Create a full adder with inputs \c in_1, \c in_2 and \c cin.
The output of the full adder is stored in \c out, and the carry in \c c_out.
*/
void mk_full_adder(Z3_context ctx, Z3_ast in_1, Z3_ast in_2, Z3_ast cin, Z3_ast * out, Z3_ast * cout)
{
*cout = mk_ternary_or(ctx, mk_binary_and(ctx, in_1, in_2), mk_binary_and(ctx, in_1, cin), mk_binary_and(ctx, in_2, cin));
*out = Z3_mk_xor(ctx, Z3_mk_xor(ctx, in_1, in_2), cin);
}
/**
\brief Create an adder for inputs of size \c num_bits.
The arguments \c in1 and \c in2 are arrays of bits of size \c num_bits.
\remark \c result must be an array of size \c num_bits + 1.
*/
void mk_adder(Z3_context ctx, unsigned num_bits, Z3_ast * in_1, Z3_ast * in_2, Z3_ast * result)
{
Z3_ast cin, cout, out;
unsigned i;
cin = Z3_mk_false(ctx);
for (i = 0; i < num_bits; i++) {
mk_full_adder(ctx, in_1[i], in_2[i], cin, &out, &cout);
result[i] = out;
cin = cout;
}
result[num_bits] = cout;
}
/**
\brief Given \c num_ins "numbers" of size \c num_bits stored in \c in.
Create floor(num_ins/2) adder circuits. Each circuit is adding two consecutive "numbers".
The numbers are stored one after the next in the array \c in.
That is, the array \c in has size num_bits * num_ins.
Return an array of bits containing \c ceil(num_ins/2) numbers of size \c (num_bits + 1).
If num_ins/2 is not an integer, then the last "number" in the output, is the last "number" in \c in with an appended "zero".
*/
void mk_adder_pairs(Z3_context ctx, unsigned num_bits, unsigned num_ins, Z3_ast * in, unsigned * out_num_ins, Z3_ast * out)
{
unsigned out_num_bits = num_bits + 1;
unsigned i = 0;
Z3_ast * _in = in;
Z3_ast * _out = out;
*out_num_ins = (num_ins % 2 == 0) ? (num_ins / 2) : (num_ins / 2) + 1;
for (i = 0; i < num_ins / 2; i++) {
mk_adder(ctx, num_bits, _in, _in + num_bits, _out);
_in += num_bits;
_in += num_bits;
_out += out_num_bits;
}
if (num_ins % 2 != 0) {
for (i = 0; i < num_bits; i++) {
_out[i] = _in[i];
}
_out[num_bits] = Z3_mk_false(ctx);
}
}
/**
\brief Create a counter circuit to count the number of "ones" in lits.
The function returns an array of bits (i.e. boolean expressions) containing the output of the circuit.
The size of the array is stored in out_sz.
*/
Z3_ast * mk_counter_circuit(Z3_context ctx, unsigned n, Z3_ast * lits, unsigned * out_sz)
{
unsigned num_ins = n;
unsigned num_bits = 1;
Z3_ast * aux_1;
Z3_ast * aux_2;
if (n == 0)
return 0;
aux_1 = (Z3_ast *) malloc(sizeof(Z3_ast) * (n + 1));
aux_2 = (Z3_ast *) malloc(sizeof(Z3_ast) * (n + 1));
memcpy(aux_1, lits, sizeof(Z3_ast) * n);
while (num_ins > 1) {
unsigned new_num_ins;
Z3_ast * tmp;
mk_adder_pairs(ctx, num_bits, num_ins, aux_1, &new_num_ins, aux_2);
num_ins = new_num_ins;
num_bits++;
#ifdef MAXSAT_DEBUG
{
unsigned i;
printf("num_bits: %d, num_ins: %d \n", num_bits, num_ins);
for (i = 0; i < num_ins * num_bits; i++) {
printf("bit %d:\n%s\n", i, Z3_ast_to_string(ctx, aux_2[i]));
}
printf("-----------\n");
}
#endif
tmp = aux_1;
aux_1 = aux_2;
aux_2 = tmp;
}
*out_sz = num_bits;
free(aux_2);
return aux_1;
}
/**
\brief Return the \c idx bit of \c val.
*/
int get_bit(unsigned val, unsigned idx)
{
unsigned mask = 1 << (idx & 31);
return (val & mask) != 0;
}
/**
\brief Given an integer val encoded in n bits (boolean variables), assert the constraint that val <= k.
*/
void assert_le_k(Z3_context ctx, unsigned n, Z3_ast * val, unsigned k)
{
Z3_ast i1, i2, not_val, out;
unsigned idx;
not_val = Z3_mk_not(ctx, val[0]);
if (get_bit(k, 0))
out = Z3_mk_true(ctx);
else
out = not_val;
for (idx = 1; idx < n; idx++) {
not_val = Z3_mk_not(ctx, val[idx]);
if (get_bit(k, idx)) {
i1 = not_val;
i2 = out;
}
else {
i1 = Z3_mk_false(ctx);
i2 = Z3_mk_false(ctx);
}
out = mk_ternary_or(ctx, i1, i2, mk_binary_and(ctx, not_val, out));
}
// printf("at-most-k:\n%s\n", Z3_ast_to_string(ctx, out));
Z3_assert_cnstr(ctx, out);
}
/**
\brief Assert that at most \c k literals in \c lits can be true,
where \c n is the number of literals in lits.
We use a simple encoding using an adder (counter).
An interesting exercise consists in implementing more sophisticated encodings.
*/
void assert_at_most_k(Z3_context ctx, unsigned n, Z3_ast * lits, unsigned k)
{
Z3_ast * counter_bits;
unsigned counter_bits_sz;
if (k >= n || n <= 1)
return; /* nothing to be done */
counter_bits = mk_counter_circuit(ctx, n, lits, &counter_bits_sz);
assert_le_k(ctx, counter_bits_sz, counter_bits, k);
del_bool_var_array(counter_bits);
}
/**
\brief Assert that at most one literal in \c lits can be true,
where \c n is the number of literals in lits.
*/
void assert_at_most_one(Z3_context ctx, unsigned n, Z3_ast * lits)
{
assert_at_most_k(ctx, n, lits, 1);
}
/**
\brief Small test for the at-most-one constraint.
*/
void tst_at_most_one()
{
Z3_context ctx = mk_context();
Z3_ast k1 = mk_bool_var(ctx, "k1");
Z3_ast k2 = mk_bool_var(ctx, "k2");
Z3_ast k3 = mk_bool_var(ctx, "k3");
Z3_ast k4 = mk_bool_var(ctx, "k4");
Z3_ast k5 = mk_bool_var(ctx, "k5");
Z3_ast k6 = mk_bool_var(ctx, "k6");
Z3_ast args1[5] = { k1, k2, k3, k4, k5 };
Z3_ast args2[3] = { k4, k5, k6 };
Z3_model m = 0;
Z3_lbool result;
printf("testing at-most-one constraint\n");
assert_at_most_one(ctx, 5, args1);
assert_at_most_one(ctx, 3, args2);
printf("it must be sat...\n");
result = Z3_check_and_get_model(ctx, &m);
if (result != Z3_L_TRUE)
error("BUG");
printf("model:\n%s\n", Z3_model_to_string(ctx, m));
if (m) {
Z3_del_model(ctx, m);
}
Z3_assert_cnstr(ctx, mk_binary_or(ctx, k2, k3));
Z3_assert_cnstr(ctx, mk_binary_or(ctx, k1, k6));
printf("it must be sat...\n");
result = Z3_check_and_get_model(ctx, &m);
if (result != Z3_L_TRUE)
error("BUG");
printf("model:\n%s\n", Z3_model_to_string(ctx, m));
if (m) {
Z3_del_model(ctx, m);
}
Z3_assert_cnstr(ctx, mk_binary_or(ctx, k4, k5));
printf("it must be unsat...\n");
result = Z3_check_and_get_model(ctx, &m);
if (result != Z3_L_FALSE)
error("BUG");
Z3_del_context(ctx);
}
/**
\brief Return the number of soft-constraints that were disable by the given model.
A soft-constraint was disabled if the associated auxiliary variable was assigned to true.
*/
unsigned get_num_disabled_soft_constraints(Z3_context ctx, Z3_model m, unsigned num_soft_cnstrs, Z3_ast * aux_vars)
{
unsigned i;
unsigned num_disabled = 0;
Z3_ast t = Z3_mk_true(ctx);
for (i = 0; i < num_soft_cnstrs; i++) {
Z3_ast val;
if (Z3_eval(ctx, m, aux_vars[i], &val) == Z3_TRUE) {
// printf("%s", Z3_ast_to_string(ctx, aux_vars[i]));
// printf(" -> %s\n", Z3_ast_to_string(ctx, val));
if (Z3_is_eq_ast(ctx, val, t)) {
num_disabled++;
}
}
}
return num_disabled;
}
/**
\brief Naive maxsat procedure based on linear search and at-most-k
constraint. Return the number of soft-constraints that can be
satisfied. Return -1 if the hard-constraints cannot be
satisfied. That is, the formula cannot be satisfied even if all
soft-constraints are ignored.
Exercise: use binary search to implement MaxSAT.
Hint: you will need to use an answer literal to retract the at-most-k constraint.
*/
int naive_maxsat(Z3_context ctx, unsigned num_hard_cnstrs, Z3_ast * hard_cnstrs, unsigned num_soft_cnstrs, Z3_ast * soft_cnstrs)
{
Z3_ast * aux_vars;
Z3_lbool is_sat;
unsigned r, k;
assert_hard_constraints(ctx, num_hard_cnstrs, hard_cnstrs);
printf("checking whether hard constraints are satisfiable...\n");
is_sat = Z3_check(ctx);
if (is_sat == Z3_L_FALSE) {
// It is not possible to make the formula satisfiable even when ignoring all soft constraints.
return -1;
}
if (num_soft_cnstrs == 0)
return 0; // nothing to be done...
aux_vars = assert_soft_constraints(ctx, num_soft_cnstrs, soft_cnstrs);
// Perform linear search.
r = 0;
k = num_soft_cnstrs - 1;
for (;;) {
Z3_model m;
unsigned num_disabled;
// at most k soft-constraints can be ignored.
printf("checking whether at-most %d soft-constraints can be ignored.\n", k);
assert_at_most_k(ctx, num_soft_cnstrs, aux_vars, k);
is_sat = Z3_check_and_get_model(ctx, &m);
if (is_sat == Z3_L_FALSE) {
printf("unsat\n");
return num_soft_cnstrs - k - 1;
}
num_disabled = get_num_disabled_soft_constraints(ctx, m, num_soft_cnstrs, aux_vars);
if (num_disabled > k) {
error("BUG");
}
if (m) {
Z3_del_model(ctx, m);
}
printf("sat\n");
k = num_disabled;
if (k == 0) {
// it was possible to satisfy all soft-constraints.
return num_soft_cnstrs;
}
k--;
}
}
/**
\brief Implement one step of the Fu&Malik algorithm.
See fu_malik_maxsat function for more details.
Input: soft constraints + aux-vars (aka answer literals)
Output: done/not-done when not done return updated set of soft-constraints and aux-vars.
- if SAT --> terminates
- if UNSAT
* compute unsat core
* add blocking variable to soft-constraints in the core
- replace soft-constraint with the one with the blocking variable
- we should also add an aux-var
- replace aux-var with a new one
* add at-most-one constraint with blocking
*/
int fu_malik_maxsat_step(Z3_context ctx, unsigned num_soft_cnstrs, Z3_ast * soft_cnstrs, Z3_ast * aux_vars)
{
// create assumptions
Z3_ast * assumptions = (Z3_ast*) malloc(sizeof(Z3_ast) * num_soft_cnstrs);
Z3_ast * core = (Z3_ast*) malloc(sizeof(Z3_ast) * num_soft_cnstrs);
unsigned core_size;
Z3_ast dummy_proof; // we don't care about proofs in this example
Z3_model m;
Z3_lbool is_sat;
unsigned i = 0;
for (i = 0; i < num_soft_cnstrs; i++) {
// Recall that we asserted (soft_cnstrs[i] \/ aux_vars[i])
// So using (NOT aux_vars[i]) as an assumption we are actually forcing the soft_cnstrs[i] to be considered.
assumptions[i] = Z3_mk_not(ctx, aux_vars[i]);
core[i] = 0;
}
is_sat = Z3_check_assumptions(ctx, num_soft_cnstrs, assumptions, &m, &dummy_proof, &core_size, core);
if (is_sat != Z3_L_FALSE) {
return 1; // done
}
else {
Z3_ast * block_vars = (Z3_ast*) malloc(sizeof(Z3_ast) * core_size);
unsigned k = 0;
// update soft-constraints and aux_vars
for (i = 0; i < num_soft_cnstrs; i++) {
unsigned j;
// check whether assumption[i] is in the core or not
for (j = 0; j < core_size; j++) {
if (assumptions[i] == core[j])
break;
}
if (j < core_size) {
// assumption[i] is in the unsat core... so soft_cnstrs[i] is in the unsat core
Z3_ast block_var = mk_fresh_bool_var(ctx);
Z3_ast new_aux_var = mk_fresh_bool_var(ctx);
soft_cnstrs[i] = mk_binary_or(ctx, soft_cnstrs[i], block_var);
aux_vars[i] = new_aux_var;
block_vars[k] = block_var;
k++;
// Add new constraint containing the block variable.
// Note that we are using the new auxiliary variable to be able to use it as an assumption.
Z3_assert_cnstr(ctx, mk_binary_or(ctx, soft_cnstrs[i], new_aux_var));
}
}
assert_at_most_one(ctx, k, block_vars);
return 0; // not done.
}
}
/**
\brief Fu & Malik procedure for MaxSAT. This procedure is based on
unsat core extraction and the at-most-one constraint.
Return the number of soft-constraints that can be
satisfied. Return -1 if the hard-constraints cannot be
satisfied. That is, the formula cannot be satisfied even if all
soft-constraints are ignored.
For more information on the Fu & Malik procedure:
Z. Fu and S. Malik, On solving the partial MAX-SAT problem, in International
Conference on Theory and Applications of Satisfiability Testing, 2006.
*/
int fu_malik_maxsat(Z3_context ctx, unsigned num_hard_cnstrs, Z3_ast * hard_cnstrs, unsigned num_soft_cnstrs, Z3_ast * soft_cnstrs)
{
Z3_ast * aux_vars;
Z3_lbool is_sat;
unsigned k;
assert_hard_constraints(ctx, num_hard_cnstrs, hard_cnstrs);
printf("checking whether hard constraints are satisfiable...\n");
is_sat = Z3_check(ctx);
if (is_sat == Z3_L_FALSE) {
// It is not possible to make the formula satisfiable even when ignoring all soft constraints.
return -1;
}
if (num_soft_cnstrs == 0)
return 0; // nothing to be done...
/*
Fu&Malik algorithm is based on UNSAT-core extraction.
We accomplish that using auxiliary variables (aka answer literals).
*/
aux_vars = assert_soft_constraints(ctx, num_soft_cnstrs, soft_cnstrs);
k = 0;
for (;;) {
printf("iteration %d\n", k);
if (fu_malik_maxsat_step(ctx, num_soft_cnstrs, soft_cnstrs, aux_vars)) {
return num_soft_cnstrs - k;
}
k++;
}
}
#define NAIVE_MAXSAT 0
#define FU_MALIK_MAXSAT 1
/**
\brief Finds the maximal number of assumptions that can be satisfied.
An assumption is any formula preceeded with the :assumption keyword.
"Hard" constraints can be supported by using the :formula keyword.
Input: file in SMT-LIB format, and MaxSAT algorithm to be used: 0 - Naive, 1 - Fu&Malik's algo.
Output: the maximum number of assumptions that can be satisfied.
*/
int smtlib_maxsat(char * file_name, int approach)
{
Z3_context ctx;
unsigned num_hard_cnstrs, num_soft_cnstrs;
Z3_ast * hard_cnstrs, * soft_cnstrs;
unsigned result;
ctx = mk_context();
Z3_parse_smtlib_file(ctx, file_name, 0, 0, 0, 0, 0, 0);
hard_cnstrs = get_hard_constraints(ctx, &num_hard_cnstrs);
soft_cnstrs = get_soft_constraints(ctx, &num_soft_cnstrs);
switch (approach) {
case NAIVE_MAXSAT:
result = naive_maxsat(ctx, num_hard_cnstrs, hard_cnstrs, num_soft_cnstrs, soft_cnstrs);
break;
case FU_MALIK_MAXSAT:
result = fu_malik_maxsat(ctx, num_hard_cnstrs, hard_cnstrs, num_soft_cnstrs, soft_cnstrs);
break;
default:
/* Exercise: implement your own MaxSAT algorithm.*/
error("Not implemented yet.");
break;
}
free_cnstr_array(hard_cnstrs);
free_cnstr_array(soft_cnstrs);
return result;
}
int main(int argc, char * argv[]) {
#if 1
int r;
if (argc != 2) {
error("usage: maxsat [filename.smt].");
}
r = smtlib_maxsat(argv[1], FU_MALIK_MAXSAT);
printf("result: %d\n", r);
#else
tst_at_most_one();
#endif
return 0;
}
/*@}*/

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<GenerateDebugInformation>true</GenerateDebugInformation>
<RandomizedBaseAddress>false</RandomizedBaseAddress>
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<ClCompile>
<WarningLevel>Level3</WarningLevel>
<PrecompiledHeader>
</PrecompiledHeader>
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>..\lib</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Console</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
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<ItemGroup>
<ClCompile Include="maxsat.c" />
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<ProjectReference Include="..\lib\lib.vcxproj">
<Project>{4a7e5a93-19d8-4382-8950-fb2edec7a76e}</Project>
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
datalog_frontend.cpp
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2010-05-18.
Revision History:
--*/
#include<iostream>
#include<time.h>
#include<signal.h>
#include"stopwatch.h"
#include"front_end_params.h"
#include"datalog_parser.h"
#include"arith_decl_plugin.h"
#include"dl_compiler.h"
#include"dl_context.h"
#include"dl_mk_filter_rules.h"
#include"dl_finite_product_relation.h"
#include"datalog_frontend.h"
#include"timeout.h"
static stopwatch g_overall_time;
static stopwatch g_piece_timer;
static unsigned t_parsing = 0;
static datalog::context * g_ctx = 0;
static datalog::rule_set * g_orig_rules;
static datalog::instruction_block * g_code;
static datalog::execution_context * g_ectx;
static front_end_params * g_params;
datalog_params::datalog_params():
m_default_table("sparse")
{}
void datalog_params::register_params(ini_params& p) {
p.register_symbol_param("DEFAULT_TABLE", m_default_table, "Datalog engine: default table (sparse)");
}
static void display_statistics(
std::ostream& out,
datalog::context& ctx,
datalog::rule_set& orig_rules,
datalog::instruction_block& code,
datalog::execution_context& ex_ctx,
front_end_params& params,
bool verbose
)
{
g_piece_timer.stop();
unsigned t_other = static_cast<int>(g_piece_timer.get_seconds()*1000);
g_overall_time.stop();
code.process_all_costs();
{
params_ref p(ctx.get_params());
p.set_bool(":output-profile", true);
p.set_uint(":profile-milliseconds-threshold", 100);
ctx.updt_params(p);
out << "--------------\n";
out << "original rules\n";
orig_rules.display(out);
out << "---------------\n";
out << "generated rules\n";
ctx.display_rules(out);
out << "--------------\n";
out << "instructions \n";
code.display(ctx, out);
out << "--------------\n";
out << "big relations \n";
ex_ctx.report_big_relations(1000, out);
}
out << "--------------\n";
out << "relation sizes\n";
ctx.get_rmanager().display_relation_sizes(out);
if (verbose) {
out << "--------------\n";
out << "rules\n";
ctx.display_rules(out);
}
out << "Time: " << static_cast<int>(g_overall_time.get_seconds()*1000) << "ms\n";
out << "Parsing: " << t_parsing << "ms, other: " << t_other << "ms\n";
}
static void display_statistics() {
if (g_ctx) {
display_statistics(std::cout, *g_ctx, *g_orig_rules, *g_code, *g_ectx, *g_params, true);
}
}
static void on_timeout() {
display_statistics();
exit(0);
}
static void on_ctrl_c(int) {
signal (SIGINT, SIG_DFL);
display_statistics();
raise(SIGINT);
}
unsigned read_datalog(char const * file, datalog_params const& dl_params, front_end_params & front_end_params) {
IF_VERBOSE(1, verbose_stream() << "Z3 Datalog Engine\n";);
ast_manager m;
g_overall_time.start();
register_on_timeout_proc(on_timeout);
signal(SIGINT, on_ctrl_c);
params_ref params;
params.set_sym(":engine", symbol("datalog"));
params.set_sym(":default-table", dl_params.m_default_table);
datalog::context ctx(m, front_end_params, params);
size_t watermark = front_end_params.m_memory_high_watermark;
if (watermark == 0) {
memory::set_high_watermark(static_cast<size_t>(UINT_MAX));
}
datalog::relation_manager & rmgr = ctx.get_rmanager();
datalog::relation_plugin & inner_plg = *rmgr.get_relation_plugin(symbol("tr_hashtable"));
SASSERT(&inner_plg);
rmgr.register_plugin(alloc(datalog::finite_product_relation_plugin, inner_plg, rmgr));
g_piece_timer.reset();
g_piece_timer.start();
bool wpa_benchmark = datalog::is_directory(std::string(file));
if (wpa_benchmark) {
scoped_ptr<datalog::wpa_parser> parser = datalog::wpa_parser::create(ctx, m);
if (!parser->parse_directory(file)) {
std::cerr << "ERROR: failed to parse file\n";
return 1;
}
}
else {
scoped_ptr<datalog::parser> parser = datalog::parser::create(ctx, m);
if (!parser->parse_file(file)) {
std::cerr << "ERROR: failed to parse file\n";
return 1;
}
}
g_piece_timer.stop();
t_parsing = static_cast<int>(g_piece_timer.get_seconds()*1000);
IF_VERBOSE(1, verbose_stream() << "parsing finished\n";);
IF_VERBOSE(1, verbose_stream() << "running saturation...\n";);
g_piece_timer.reset();
g_piece_timer.start();
//all rules were added
ctx.close();
TRACE("dl_compiler", ctx.display(tout););
datalog::rule_set original_rules(ctx.get_rules());
datalog::decl_set original_predicates;
ctx.collect_predicates(original_predicates);
datalog::instruction_block rules_code;
datalog::instruction_block termination_code;
datalog::execution_context ex_ctx(ctx);
IF_VERBOSE(10, original_rules.display_deps(verbose_stream()););
g_ctx = &ctx;
g_orig_rules = &original_rules;
g_code = &rules_code;
g_ectx = &ex_ctx;
g_params = &front_end_params;
try {
g_piece_timer.reset();
g_piece_timer.start();
bool early_termination;
unsigned timeout = ctx.initial_restart_timeout();
if(timeout == 0) {
timeout = UINT_MAX;
}
do {
model_converter_ref mc; // ignored
proof_converter_ref pc; // ignored
ctx.transform_rules(mc, pc);
datalog::compiler::compile(ctx, ctx.get_rules(), rules_code, termination_code);
TRACE("dl_compiler", rules_code.display(ctx, tout););
rules_code.make_annotations(ex_ctx);
ex_ctx.set_timelimit(timeout);
SASSERT(!ex_ctx.should_terminate());
early_termination = !rules_code.perform(ex_ctx);
if(early_termination) {
IF_VERBOSE(10, ex_ctx.report_big_relations(1000, verbose_stream()););
if (memory::above_high_watermark()) {
throw out_of_memory_error();
}
}
ex_ctx.reset_timelimit();
TRUSTME( termination_code.perform(ex_ctx) );
ctx.saturation_was_run();
if (early_termination) {
IF_VERBOSE(1, verbose_stream() << "restarting saturation\n";);
uint64 new_timeout = static_cast<uint64>(timeout)*ctx.initial_restart_timeout();
if(new_timeout>UINT_MAX) {
timeout=UINT_MAX;
}
else {
timeout=static_cast<unsigned>(new_timeout);
}
rules_code.process_all_costs();
rules_code.reset();
termination_code.reset();
ex_ctx.reset();
ctx.reopen();
ctx.restrict_predicates(original_predicates);
ctx.replace_rules(original_rules);
ctx.close();
}
} while (early_termination);
TRACE("dl_compiler", ctx.display(tout);
rules_code.display(ctx, tout););
if (ctx.get_params().get_bool(":output-tuples", true)) {
ctx.display_output_facts(std::cout);
}
display_statistics(
std::cout,
ctx,
original_rules,
rules_code,
ex_ctx,
front_end_params,
false);
}
catch (out_of_memory_error) {
std::cout << "\n\nOUT OF MEMORY!\n\n";
display_statistics(
std::cout,
ctx,
original_rules,
rules_code,
ex_ctx,
front_end_params,
true);
return ERR_MEMOUT;
}
register_on_timeout_proc(0);
return 0;
}

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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
datalog_frontend.h
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2010-05-18.
Revision History:
--*/
#ifndef _DATALOG_FRONTEND_H_
#define _DATALOG_FRONTEND_H_
struct datalog_params {
symbol m_default_table;
datalog_params();
virtual void register_params(ini_params& p);
};
unsigned read_datalog(char const * file, datalog_params const& dl_params, front_end_params & front_end_params);
#endif /* _DATALOG_FRONTEND_H_ */

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/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
dimacs_frontend.cpp
Abstract:
Frontend for reading dimacs input files
Author:
Leonardo de Moura (leonardo) 2011-07-26.
Revision History:
--*/
#include<iostream>
#include<time.h>
#include<signal.h>
#include"timeout.h"
#include"dimacs.h"
#include"sat_solver.h"
#include"front_end_params.h"
extern bool g_display_statistics;
static sat::solver * g_solver = 0;
static clock_t g_start_time;
static void display_statistics() {
clock_t end_time = clock();
if (g_solver && g_display_statistics) {
std::cout.flush();
std::cerr.flush();
statistics st;
g_solver->collect_statistics(st);
st.update("total time", ((static_cast<double>(end_time) - static_cast<double>(g_start_time)) / CLOCKS_PER_SEC));
st.display_smt2(std::cout);
}
}
static void on_timeout() {
display_statistics();
exit(0);
}
static void on_ctrl_c(int) {
signal (SIGINT, SIG_DFL);
display_statistics();
raise(SIGINT);
}
static void display_model(sat::solver const & s) {
sat::model const & m = s.get_model();
for (unsigned i = 1; i < m.size(); i++) {
switch (m[i]) {
case l_false: std::cout << "-" << i << " "; break;
case l_undef: break;
case l_true: std::cout << i << " "; break;
}
}
std::cout << "\n";
}
unsigned read_dimacs(char const * file_name, front_end_params & front_end_params) {
g_start_time = clock();
register_on_timeout_proc(on_timeout);
signal(SIGINT, on_ctrl_c);
params_ref p;
p.set_bool(":produce-models", front_end_params.m_model);
sat::solver solver(p, 0);
g_solver = &solver;
if (file_name) {
std::ifstream in(file_name);
if (in.bad() || in.fail()) {
std::cerr << "(error \"failed to open file '" << file_name << "'\")" << std::endl;
exit(ERR_OPEN_FILE);
}
parse_dimacs(in, solver);
}
else {
parse_dimacs(std::cin, solver);
}
IF_VERBOSE(20, solver.display_status(verbose_stream()););
lbool r = solver.check();
switch (r) {
case l_true:
std::cout << "sat\n";
if (front_end_params.m_model)
display_model(solver);
break;
case l_undef:
std::cout << "unknown\n";
break;
case l_false:
std::cout << "unsat\n";
break;
}
if (g_display_statistics)
display_statistics();
return 0;
}

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/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
dimacs_frontend.h
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2011-07-26.
Revision History:
--*/
#ifndef _DIMACS_FRONTEND_H_
#define _DIMACS_FRONTEND_H_
unsigned read_dimacs(char const * benchmark_file, front_end_params & front_end_params);
#endif /* _DATALOG_FRONTEND_H_ */

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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
main.cpp
Abstract:
Z3 command line tool.
Author:
Leonardo de Moura (leonardo) 2006-10-10.
Nikolaj Bjorner (nbjorner)
Revision History:
--*/
#include<iostream>
#include"memory_manager.h"
#include"trace.h"
#include"debug.h"
#include"util.h"
#include"pp.h"
#include"smtlib_frontend.h"
#include"z3_log_frontend.h"
#include"warning.h"
#include"version.h"
#include"datalog_frontend.h"
#include"dimacs_frontend.h"
#include"timeout.h"
#include"z3_exception.h"
#include"error_codes.h"
typedef enum { IN_UNSPECIFIED, IN_SMTLIB, IN_SMTLIB_2, IN_DATALOG, IN_DIMACS, IN_Z3_LOG } input_kind;
std::string g_aux_input_file;
char const * g_input_file = 0;
bool g_standard_input = false;
input_kind g_input_kind = IN_UNSPECIFIED;
front_end_params * g_front_end_params = 0;
bool g_display_statistics = false;
bool g_display_istatistics = false;
#ifdef _WINDOWS
#define OPT "/"
#else
#define OPT "-"
#endif
void error(const char * msg) {
std::cerr << "Error: " << msg << "\n";
std::cerr << "For usage information: z3 " << OPT << "h\n";
exit(ERR_CMD_LINE);
}
void display_usage() {
std::cout << "Z3 [version " << Z3_MAJOR_VERSION << "." << Z3_MINOR_VERSION << "]. (C) Copyright 2006 Microsoft Corp.\n";
std::cout << "Usage: z3 [options] [" << OPT << "file:]file\n";
std::cout << "\nInput format:\n";
std::cout << " " << OPT << "smt use parser for SMT input format.\n";
std::cout << " " << OPT << "smt2 use parser for SMT 2 input format.\n";
std::cout << " " << OPT << "dl use parser for Datalog input format.\n";
std::cout << " " << OPT << "dimacs use parser for DIMACS input format.\n";
std::cout << " " << OPT << "log use parser for Z3 log input format.\n";
std::cout << " " << OPT << "in read formula from standard input.\n";
std::cout << "\nMiscellaneous:\n";
std::cout << " " << OPT << "h, " << OPT << "? prints this message.\n";
std::cout << " " << OPT << "version prints version number of Z3.\n";
std::cout << " " << OPT << "v:level be verbose, where <level> is the verbosity level.\n";
std::cout << " " << OPT << "nw disable warning messages.\n";
std::cout << " " << OPT << "ini:file configuration file.\n";
std::cout << " " << OPT << "ini? display all available INI file parameters.\n";
std::cout << " --" << " all remaining arguments are assumed to be part of the input file name. This option allows Z3 to read files with strange names such as: -foo.smt2.\n";
std::cout << "\nResources:\n";
// timeout and memout are now available on Linux and OSX too.
std::cout << " " << OPT << "T:timeout set the timeout (in seconds).\n";
std::cout << " " << OPT << "t:timeout set the soft timeout (in seconds). It only kills the current query.\n";
std::cout << " " << OPT << "memory:Megabytes set a limit for virtual memory consumption.\n";
//
std::cout << "\nOutput:\n";
std::cout << " " << OPT << "st display statistics.\n";
std::cout << "\nSearch heuristics:\n";
std::cout << " " << OPT << "rs:num random seed.\n";
#if defined(Z3DEBUG) || defined(_TRACE)
std::cout << "\nDebugging support:\n";
#endif
#ifdef _TRACE
std::cout << " " << OPT << "tr:tag enable trace messages tagged with <tag>.\n";
#endif
#ifdef Z3DEBUG
std::cout << " " << OPT << "dbg:tag enable assertions tagged with <tag>.\n";
#endif
}
class extra_params : public datalog_params {
bool & m_statistics;
public:
extra_params():
m_statistics(g_display_statistics) {
}
virtual void register_params(ini_params & p) {
datalog_params::register_params(p);
p.register_bool_param("STATISTICS", m_statistics, "display statistics");
}
};
ini_params* g_params = 0;
extra_params* g_extra_params = 0;
bool g_params_initialized = false;
void init_params() {
if (!g_params_initialized) {
z3_bound_num_procs();
g_front_end_params = new front_end_params();
g_params = new ini_params();
g_extra_params = new extra_params();
register_verbosity_level(*g_params);
register_warning(*g_params);
register_pp_params(*g_params);
g_front_end_params->register_params(*g_params);
g_extra_params->register_params(*g_params);
g_params_initialized = true;
}
}
void del_params() {
if (g_front_end_params != NULL)
g_front_end_params->close_trace_file();
delete g_extra_params;
delete g_params;
delete g_front_end_params;
g_extra_params = 0;
g_params = 0;
g_front_end_params = 0;
}
void read_ini_file(const char * file_name) {
std::ifstream in(file_name);
if (in.bad() || in.fail()) {
std::cerr << "Error: failed to open init file \"" << file_name << "\".\n";
exit(ERR_INI_FILE);
}
g_params->read_ini_file(in);
}
void display_ini_help() {
g_params->display_params(std::cout);
}
void display_config() {
if (g_front_end_params->m_display_config) {
display_ini_help();
}
}
void display_ini_doc() {
g_params->display_params_documentation(std::cout);
}
void parse_cmd_line_args(int argc, char ** argv) {
int i = 1;
char * eq_pos = 0;
while (i < argc) {
char * arg = argv[i];
if (arg[0] == '-' && arg[1] == '-' && arg[2] == 0) {
// Little hack used to read files with strange names such as -foo.smt2
// z3 -- -foo.smt2
i++;
g_aux_input_file = "";
for (; i < argc; i++) {
g_aux_input_file += argv[i];
if (i < argc - 1)
g_aux_input_file += " ";
}
if (g_front_end_params->m_interactive) {
warning_msg("ignoring input file in interactive mode.");
}
else if (g_input_file) {
warning_msg("input file was already specified.");
}
else {
g_input_file = g_aux_input_file.c_str();
}
break;
}
if (arg[0] == '-'
#ifdef _WINDOWS
|| arg[0] == '/'
#endif
) {
char * opt_name = arg + 1;
char * opt_arg = 0;
char * colon = strchr(arg, ':');
if (colon) {
opt_arg = colon + 1;
*colon = 0;
}
if (strcmp(opt_name, "h") == 0 || strcmp(opt_name, "?") == 0 || strcmp(opt_name, "help") == 0) {
display_usage();
exit(0);
}
if (strcmp(opt_name, "version") == 0) {
#ifdef _EXTERNAL_RELEASE
std::cout << "Z3 version " << Z3_MAJOR_VERSION << "." << Z3_MINOR_VERSION << "\n";
#else
std::cout
<< "Z3 version (major minor build revision): "
<< Z3_MAJOR_VERSION << " "
<< Z3_MINOR_VERSION << " "
<< Z3_BUILD_NUMBER << " "
<< Z3_REVISION_NUMBER << "\n";
#endif
exit(0);
}
else if (strcmp(opt_name, "smt") == 0) {
g_input_kind = IN_SMTLIB;
}
else if (strcmp(opt_name, "smt2") == 0) {
g_input_kind = IN_SMTLIB_2;
}
else if (strcmp(opt_name, "in") == 0) {
g_standard_input = true;
}
else if (strcmp(opt_name, "dimacs") == 0) {
g_input_kind = IN_DIMACS;
}
else if (strcmp(opt_name, "log") == 0) {
g_input_kind = IN_Z3_LOG;
}
else if (strcmp(opt_name, "st") == 0) {
g_display_statistics = true;
}
else if (strcmp(opt_name, "ist") == 0) {
g_display_istatistics = true;
}
else if (strcmp(opt_name, "v") == 0) {
if (!opt_arg)
error("option argument (/v:level) is missing.");
long lvl = strtol(opt_arg, 0, 10);
set_verbosity_level(lvl);
}
else if (strcmp(opt_name, "vldt") == 0) {
g_front_end_params->m_model_validate = true;
}
else if (strcmp(opt_name, "file") == 0) {
g_input_file = opt_arg;
}
else if (strcmp(opt_name, "r") == 0) {
if (!opt_arg) {
error("optional argument (/r:level) is missing.");
}
g_front_end_params->m_relevancy_lvl = strtol(opt_arg, 0, 10);
}
else if (strcmp(opt_name, "rd") == 0) {
if (!opt_arg) {
error("optional argument (/rd:num) is missing.");
}
g_front_end_params->m_random_var_freq = static_cast<double>(strtol(opt_arg, 0, 10)) / 100.0;
}
else if (strcmp(opt_name, "rs") == 0) {
if (!opt_arg) {
error("optional argument (/rs:num) is missing.");
}
long seed = strtol(opt_arg, 0, 10);
g_front_end_params->m_random_seed = seed;
g_front_end_params->m_arith_random_seed = seed;
}
else if (strcmp(opt_name, "T") == 0) {
if (!opt_arg)
error("option argument (/T:timeout) is missing.");
long tm = strtol(opt_arg, 0, 10);
set_timeout(tm * 1000);
}
else if (strcmp(opt_name, "t") == 0) {
if (!opt_arg)
error("option argument (/t:timeout) is missing.");
long tm = strtol(opt_arg, 0, 10);
g_front_end_params->m_soft_timeout = tm*1000;
}
else if (strcmp(opt_name, "nw") == 0) {
enable_warning_messages(false);
}
else if (strcmp(opt_name, "ini") == 0) {
if (!opt_arg)
error("option argument (/ini:file) is missing.");
read_ini_file(opt_arg);
}
else if (strcmp(opt_name, "ini?") == 0) {
display_ini_help();
exit(0);
}
else if (strcmp(opt_name, "geninidoc") == 0) {
display_ini_doc();
exit(0);
}
#ifdef _TRACE
else if (strcmp(opt_name, "tr") == 0) {
if (!opt_arg)
error("option argument (/tr:tag) is missing.");
enable_trace(opt_arg);
}
#endif
#ifdef Z3DEBUG
else if (strcmp(opt_name, "dbg") == 0) {
if (!opt_arg)
error("option argument (/dbg:tag) is missing.");
enable_debug(opt_arg);
}
#endif
else if (strcmp(opt_name, "memory") == 0) {
if (!opt_arg)
error("option argument (/memory:val) is missing.");
g_front_end_params->m_memory_high_watermark = strtoul(opt_arg, 0, 10);
}
else {
std::cerr << "Error: invalid command line option: " << arg << "\n";
std::cerr << "For usage information: z3 " << OPT << "h\n";
exit(ERR_CMD_LINE);
}
}
else if (argv[i][0] != '"' && (eq_pos = strchr(argv[i], '='))) {
char * key = argv[i];
*eq_pos = 0;
char * value = eq_pos+1;
g_params->set_param_value(key, value);
}
else {
if (g_front_end_params->m_interactive) {
warning_msg("ignoring input file in interactive mode.");
}
else if (g_input_file) {
warning_msg("input file was already specified.");
}
else {
g_input_file = arg;
}
}
i++;
}
}
char const * get_extension(char const * file_name) {
if (file_name == 0)
return 0;
char const * last_dot = 0;
for (;;) {
char const * tmp = strchr(file_name, '.');
if (tmp == 0) {
return last_dot;
}
last_dot = tmp + 1;
file_name = last_dot;
}
}
class global_state_initialiser {
public:
global_state_initialiser() {
memory::initialize(0);
#if defined(_WINDOWS) && defined(_Z3_BUILD_PARALLEL_SMT)
memory::mem->set_threaded_mode(true);
#endif
init_params();
}
void reset() {
del_params();
memory::finalize();
}
~global_state_initialiser() {
reset();
}
};
int main(int argc, char ** argv) {
try{
unsigned return_value = 0;
global_state_initialiser global_state;
memory::exit_when_out_of_memory(true, "ERROR: out of memory");
parse_cmd_line_args(argc, argv);
memory::set_high_watermark(static_cast<size_t>(g_front_end_params->m_memory_high_watermark) * 1024 * 1024);
memory::set_max_size(static_cast<size_t>(g_front_end_params->m_memory_max_size) * 1024 * 1024);
g_front_end_params->open_trace_file();
DEBUG_CODE(
if (g_front_end_params->m_copy_params != -1) {
g_front_end_params->copy_params(g_front_end_params->m_copy_params);
TRACE("copy_params", g_params->display_params(tout););
});
if (g_input_file && g_standard_input) {
error("using standard input to read formula.");
}
if (!g_input_file && !g_front_end_params->m_interactive && !g_standard_input) {
error("input file was not specified.");
}
if (g_input_kind == IN_UNSPECIFIED) {
g_input_kind = IN_SMTLIB;
char const * ext = get_extension(g_input_file);
if (ext) {
if (strcmp(ext, "datalog") == 0 || strcmp(ext, "dl") == 0) {
g_input_kind = IN_DATALOG;
}
else if (strcmp(ext, "dimacs") == 0 || strcmp(ext, "cnf") == 0) {
g_input_kind = IN_DIMACS;
}
else if (strcmp(ext, "log") == 0) {
g_input_kind = IN_Z3_LOG;
}
else if (strcmp(ext, "smt2") == 0) {
g_input_kind = IN_SMTLIB_2;
}
else if (strcmp(ext, "smt") == 0) {
g_input_kind = IN_SMTLIB;
}
}
}
switch (g_input_kind) {
case IN_SMTLIB:
return_value = read_smtlib_file(g_input_file, *g_front_end_params);
break;
case IN_SMTLIB_2:
memory::exit_when_out_of_memory(true, "(error \"out of memory\")");
return_value = read_smtlib2_commands(g_input_file, *g_front_end_params);
break;
case IN_DIMACS:
return_value = read_dimacs(g_input_file, *g_front_end_params);
break;
case IN_DATALOG:
read_datalog(g_input_file, *g_extra_params, *g_front_end_params);
break;
case IN_Z3_LOG:
replay_z3_log(g_input_file);
break;
default:
UNREACHABLE();
}
global_state.reset();
#ifdef _WINDOWS
_CrtDumpMemoryLeaks();
#endif
return return_value;
}
catch (z3_exception & ex) {
// unhandled exception
std::cerr << "ERROR: " << ex.msg() << "\n";
if (ex.has_error_code())
return ex.error_code();
else
return ERR_INTERNAL_FATAL;
}
}

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/**
\page cmdline Command line options
\section informat Input format
Z3 understands a set of default file extensions, and will invoke a parser based on the extension.
- \ext{smt2} - <a href="http://www.smtlib.org">SMT-LIB 2</a> format, this is the preferred input format.
- \ext{dimacs}, \ext{cnf} - DIMACS format used by regular SAT solvers.
- \ext{dl} - Datalog input format.
- \ext{smt} - (deprecated) <a href="http://www.smtlib.org">SMT-LIB 1</a> format.
You can tell Z3 explicitly which grammar the input belongs to by using the following options:
\cmdopt{smt2} use parser for SMT-LIB 2.0 input format.
\cmdopt{dimacs} use dimacs parser to read the input file.
\section cmdlinemis Miscellaneous
\cmdopt{h\, ?} prints the help message.
\cmdopt{version} prints version number of Z3.
\cmdopt{v:level} be verbose, where <level> is the verbosity level.
\cmdopt{nw} disable warning messages.
\cmdopt{ini:file} configuration file.
Several parameters are available besides the ones listed by \ty{/h}.
These parameters can be loaded from an initialization file by using
this option.
\cmdopt{ini?} display all available INI file parameters.
The available \ref config can also be supplied on the command
line as a pair parameter-name=parameter-value.
\section cmdlineres Resources
\cmdopt{T:timeout} set the timeout (in seconds).
Setting this option causes the entire process to exit.
It is a reliable way to kill Z3.
\cmdopt{t:timeout} set the soft timeout (in seconds).
It only kills the current query.
\cmdopt{memory:Megabytes} set a limit for virtual memory consumption.
This limit for virtual memory consumption is approximate, but in
general a good guideline for controlling the memory consumption of Z3. If the
memory consumption exceeds the specified number of Megabytes, Z3 exits with a warning
message.
\section cmdlineout Output
\cmdopt{st} display statistics.
This option can be used to dump various statistics about the search,
such as number of splits, conflict clauses, and quantifier instantiations.
\section cmdlinesearch Search heuristics
\cmdopt{rs:num} random seed.
*/

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//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by shell.rc
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE 101
#define _APS_NEXT_COMMAND_VALUE 40001
#define _APS_NEXT_CONTROL_VALUE 1001
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif

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// Microsoft Visual C++ generated resource script.
//
#include "resource.h"
#define APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 2 resource.
//
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
#undef APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
// English (U.S.) resources
#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
#ifdef _WIN32
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
#pragma code_page(1252)
#endif //_WIN32
#ifdef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// TEXTINCLUDE
//
1 TEXTINCLUDE
BEGIN
"resource.h\0"
END
2 TEXTINCLUDE
BEGIN
"#include ""afxres.h""\r\n"
"\0"
END
3 TEXTINCLUDE
BEGIN
"\r\n"
"\0"
END
#endif // APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Version
//
VS_VERSION_INFO VERSIONINFO
FILEVERSION 4,2,0,0
PRODUCTVERSION 4,2,0,0
FILEFLAGSMASK 0x17L
#ifdef _DEBUG
FILEFLAGS 0x1L
#else
FILEFLAGS 0x0L
#endif
FILEOS 0x4L
FILETYPE 0x1L
FILESUBTYPE 0x0L
BEGIN
BLOCK "StringFileInfo"
BEGIN
BLOCK "040904b0"
BEGIN
VALUE "CompanyName", "Microsoft"
VALUE "FileDescription", "Z3 shell"
VALUE "FileVersion" "4,2,0,0"
VALUE "InternalName", "Z3 shell"
VALUE "LegalCopyright", "(c) Microsoft Corporation. All rights reserved."
VALUE "OriginalFilename", "z3.exe"
VALUE "ProductName", "Z3"
VALUE "ProductVersion", "4,2,0,0"
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x409, 1200
END
END
#endif // English (U.S.) resources
/////////////////////////////////////////////////////////////////////////////
#ifndef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 3 resource.
//
/////////////////////////////////////////////////////////////////////////////
#endif // not APSTUDIO_INVOKED

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
</Project>

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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
simple_sat.cpp
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2006-10-10.
Revision History:
--*/
#include<fstream>
#include<time.h>
#include"front_end_params.h"
#include"sat_def.h"
#include"dimacs_parser.h"
#include"timeit.h"
#include"mem_stat.h"
class simple_sat_solver : public no_extension {
const front_end_params & m_params;
sat_solver<simple_sat_solver> * m_sat;
unsigned m_num_vars;
svector<lbool> m_model;
public:
simple_sat_solver(const front_end_params & p):
m_params(p),
m_sat(new sat_solver<simple_sat_solver>(*this, p)),
m_num_vars(0) {
}
~simple_sat_solver() {
delete m_sat;
}
static bool enable_ref_counters() {
return false;
}
void mk_var() {
m_sat->mk_var();
m_num_vars++;
}
void mk_clause(const literal_vector & lits) {
m_sat->mk_main_clause(lits);
}
unsigned get_num_vars() const {
return m_num_vars;
}
lbool check() {
return m_sat->check();
}
void mk_model() {
if (m_params.m_build_model) {
m_sat->save_assignment(m_model);
}
}
void display_model(std::ostream & out) const {
int sz = m_model.size();
for (int i = 1; i < sz; i++) {
if (m_model[i] == l_true) {
out << i << " ";
}
else if (m_model[i] == l_false) {
out << -i << " ";
}
}
out << "\n";
}
void display_statistics(std::ostream & out) const {
m_sat->display_statistics(out);
}
};
extern bool g_display_statistics;
extern front_end_params g_front_end_params;
void solve_cnf(const char * file) {
clock_t start_time = clock();
simple_sat_solver solver(g_front_end_params);
std::ifstream in(file);
parse_dimacs(in, solver);
lbool r = solver.check();
clock_t end_time = clock();
switch(r) {
case l_false:
std::cout << "unsat\n";
break;
case l_undef:
std::cout << "unknown\n";
break;
case l_true:
std::cout << "sat\n";
if (g_front_end_params.m_build_model) {
solver.display_model(std::cout);
}
break;
}
if (g_display_statistics) {
solver.display_statistics(std::cerr);
memory::display_max_usage(std::cerr);
std::cerr << "time: " << ((static_cast<double>(end_time) - static_cast<double>(start_time)) / CLOCKS_PER_SEC) << "\n";
}
}

26
shell/simple_sat.h Normal file
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
simple_sat.h
Abstract:
Simple SAT solver using the Z3 SAT template.
Author:
Leonardo de Moura (leonardo) 2006-10-10.
Revision History:
--*/
#ifndef _SIMPLE_SAT_H_
#define _SIMPLE_SAT_H_
void solve_cnf(const char * file);
#endif /* _SIMPLE_SAT_H_ */

138
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
smtlib_frontend.cpp
Abstract:
Frontend for reading Smtlib input files
Author:
Nikolaj Bjorner (nbjorner) 2006-11-3.
Revision History:
Leonardo de Moura: new SMT 2.0 front-end, removed support for .smtc files and smtcmd_solver object.
--*/
#include<iostream>
#include<time.h>
#include<signal.h>
#include"smtlib_solver.h"
#include"timeout.h"
#include"smt2parser.h"
#include"dl_cmds.h"
#include"dbg_cmds.h"
#include"polynomial_cmds.h"
#include"subpaving_cmds.h"
#include"smt_strategic_solver.h"
#include"tactic2solver.h"
#include"qfnra_nlsat_tactic.h"
extern bool g_display_statistics;
extern void display_config();
static clock_t g_start_time;
static smtlib::solver* g_solver = 0;
static cmd_context * g_cmd_context = 0;
static void display_statistics() {
display_config();
clock_t end_time = clock();
if ((g_solver || g_cmd_context) && g_display_statistics) {
std::cout.flush();
std::cerr.flush();
if (g_solver) {
g_solver->display_statistics();
memory::display_max_usage(std::cout);
std::cout << "time: " << ((static_cast<double>(end_time) - static_cast<double>(g_start_time)) / CLOCKS_PER_SEC) << " secs\n";
}
else if (g_cmd_context) {
g_cmd_context->set_regular_stream("stdout");
g_cmd_context->display_statistics(true, ((static_cast<double>(end_time) - static_cast<double>(g_start_time)) / CLOCKS_PER_SEC));
}
}
}
static void on_timeout() {
display_statistics();
exit(0);
}
static void on_ctrl_c(int) {
signal (SIGINT, SIG_DFL);
display_statistics();
raise(SIGINT);
}
unsigned read_smtlib_file(char const * benchmark_file, front_end_params & front_end_params) {
g_start_time = clock();
register_on_timeout_proc(on_timeout);
signal(SIGINT, on_ctrl_c);
smtlib::solver solver(front_end_params);
g_solver = &solver;
bool ok = true;
ok = solver.solve_smt(benchmark_file);
if (!ok) {
if (benchmark_file) {
std::cerr << "ERROR: solving '" << benchmark_file << "'.\n";
}
else {
std::cerr << "ERROR: solving input stream.\n";
}
}
display_statistics();
register_on_timeout_proc(0);
g_solver = 0;
return solver.get_error_code();
}
unsigned read_smtlib2_commands(char const* file_name, front_end_params& front_end_params) {
g_start_time = clock();
register_on_timeout_proc(on_timeout);
signal(SIGINT, on_ctrl_c);
cmd_context ctx(front_end_params);
// temporary hack until strategic_solver is ported to new tactic framework
if (front_end_params.m_nlsat) {
tactic2solver_cmd * s = alloc(tactic2solver_cmd);
s->set_tactic(alloc(qfnra_nlsat_fct));
ctx.set_solver(s);
}
else {
solver * s = mk_smt_strategic_solver(ctx);
ctx.set_solver(s);
}
install_dl_cmds(ctx);
install_dbg_cmds(ctx);
install_polynomial_cmds(ctx);
install_subpaving_cmds(ctx);
g_cmd_context = &ctx;
register_on_timeout_proc(on_timeout);
signal(SIGINT, on_ctrl_c);
bool result = true;
if (file_name) {
std::ifstream in(file_name);
if (in.bad() || in.fail()) {
std::cerr << "(error \"failed to open file '" << file_name << "'\")" << std::endl;
exit(ERR_OPEN_FILE);
}
result = parse_smt2_commands(ctx, in);
}
else {
result = parse_smt2_commands(ctx, std::cin, true);
}
display_statistics();
g_cmd_context = 0;
return result ? 0 : 1;
}

35
shell/smtlib_frontend.h Normal file
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
smtlib_frontend.h
Abstract:
Smtlib frontend.
Author:
Leonardo de Moura (leonardo) 2006-11-2.
Revision History:
--*/
#ifndef _SMTLIB_FRONTEND_H_
#define _SMTLIB_FRONTEND_H_
#include"front_end_params.h"
unsigned read_smtlib_file(char const * benchmark_file, front_end_params & front_end_params);
unsigned read_smtlib_commands(char const* command_file, front_end_params& front_end_params);
unsigned read_smtlib2_commands(char const* command_file, front_end_params& front_end_params);
#ifdef _Z3_BUILD_PARALLEL_MPI
unsigned start_mpi_subordinate(front_end_params& front_end_params);
#endif
#endif /* _SMTLIB_FRONTEND_H_ */

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