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Merge branch 'master' of https://github.com/z3prover/z3

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This commit is contained in:
Nikolaj Bjorner 2018-11-18 10:40:14 -08:00
parent a9e6d83c6e 6ef2557e2a
commit 102d23f780
16 changed files with 327 additions and 227 deletions
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93
scripts/mk_nuget_release.py
View file

@ -14,6 +14,10 @@ import urllib.request
import zipfile
import sys
import os.path
import shutil
import subprocess
import mk_util
import mk_project
data = json.loads(urllib.request.urlopen("https://api.github.com/repos/Z3Prover/z3/releases/latest").read().decode())
@ -27,36 +31,83 @@ def download_installs():
for asset in data['assets']:
url = asset['browser_download_url']
name = asset['name']
if "x64" not in name:
continue
print("Downloading ", url)
sys.stdout.flush()
urllib.request.urlretrieve(url, "packages/%s" % name)
os_names = ["ubuntu-14", "ubuntu-16", "win", "debian", "osx"]
os_info = {"ubuntu-14" : ('so', 'ubuntu.14.04-x64'),
'ubuntu-16' : ('so', 'ubuntu.16.04-x64'),
'win' : ('dll', 'win-x64'),
'debian' : ('so', 'debian.8-x64') }
def classify_package(f):
for os_name in os_info:
if os_name in f:
ext, dst = os_info[os_name]
return os_name, f[:-4], ext, dst
return None
def unpack():
for f in os.listdir("packages"):
if f.endswith("zip") and "x64" in f:
print(f)
# determine os from os_names
# instead of this string manipulation.
name = os.path.splitext(f)[0]
os_name = name[name.find("x64")+4:]
os_name = os_name[:os_name.find("-")]
print(os_name)
zip_ref = zipfile.ZipFile("packages/%s" % f, 'r')
path = "out/%s" % os_name
zip_ref.extract("%s/bin/libz3.so" % name)
# unzip files in packages
pass
# out
# +- runtimes
# +- win-x64
# +- ubuntu.16.04-x64
# +- ubuntu.14.04-x64
# +- debian.8-x64
# +
for f in os.listdir("packages"):
if f.endswith("zip") and "x64" in f and classify_package(f):
print(f)
os_name, package_dir, ext, dst = classify_package(f)
zip_ref = zipfile.ZipFile("packages/%s" % f, 'r')
zip_ref.extract("%s/bin/libz3.%s" % (package_dir, ext), "tmp")
mk_dir("out/runtimes/%s" % dst)
shutil.move("tmp/%s/bin/libz3.%s" % (package_dir, ext), "out/runtimes/%s/." % dst)
if "win" in f:
mk_dir("out/lib/netstandard1.4/")
for b in ["Microsoft.Z3.dll"]:
zip_ref.extract("%s/bin/%s" % (package_dir, b), "tmp")
shutil.move("tmp/%s/bin/%s" % (package_dir, b), "out/lib/netstandard1.4/%s" % b)
def create_nuget_spec():
mk_project.init_version()
contents = """<?xml version="1.0" encoding="utf-8"?>
<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
<metadata>
<id>Microsoft.Z3.x64</id>
<version>%s</version>
<authors>Microsoft</authors>
<description>Z3 is a satisfiability modulo theories solver from Microsoft Research.</description>
<copyright>Copyright Microsoft Corporation. All rights reserved.</copyright>
<tags>smt constraint solver theorem prover</tags>
<iconUrl>https://raw.githubusercontent.com/Z3Prover/z3/master/package/icon.jpg</iconUrl>
<projectUrl>https://github.com/Z3Prover/z3</projectUrl>
<licenseUrl>https://raw.githubusercontent.com/Z3Prover/z3/master/LICENSE.txt</licenseUrl>
<repository
type="git"
url="https://github.com/Z3Prover/z3.git"
branch="master"
/>
<requireLicenseAcceptance>true</requireLicenseAcceptance>
<language>en</language>
</metadata>
</package>"""
with open("out/Microsoft.Z3.x64.nuspec", 'w') as f:
f.write(contents % mk_util.get_version_string(3))
def create_nuget_package():
subprocess.call(["nuget", "pack"], cwd="out")
def main():
mk_dir("packages")
# download_installs()
# create_nuget_dir()
download_installs()
unpack()
# create_nuget_package()
create_nuget_spec()
create_nuget_package()
main()

5
scripts/mk_project.py
View file

@ -7,9 +7,12 @@
############################################
from mk_util import *
def init_version():
set_version(4, 8, 3, 0)
# Z3 Project definition
def init_project_def():
set_version(4, 8, 3, 0)
init_version()
add_lib('util', [], includes2install = ['z3_version.h'])
add_lib('polynomial', ['util'], 'math/polynomial')
add_lib('sat', ['util'])

16
scripts/mk_unix_dist.py
View file

@ -23,6 +23,7 @@ VERBOSE=True
DIST_DIR='dist'
FORCE_MK=False
DOTNET_ENABLED=True
DOTNET_CORE_ENABLED=False
DOTNET_KEY_FILE=None
JAVA_ENABLED=True
GIT_HASH=False
@ -55,6 +56,7 @@ def display_help():
print(" -b <sudir>, --build=<subdir> subdirectory where x86 and x64 Z3 versions will be built (default: build-dist).")
print(" -f, --force force script to regenerate Makefiles.")
print(" --nodotnet do not include .NET bindings in the binary distribution files.")
print(" --dotnetcore build for dotnet core.")
print(" --dotnet-key=<file> sign the .NET assembly with the private key in <file>.")
print(" --nojava do not include Java bindings in the binary distribution files.")
print(" --nopython do not include Python bindings in the binary distribution files.")
@ -71,6 +73,7 @@ def parse_options():
'force',
'nojava',
'nodotnet',
'dotnetcore',
'dotnet-key=',
'githash',
'nopython'
@ -88,6 +91,8 @@ def parse_options():
FORCE_MK = True
elif opt == '--nodotnet':
DOTNET_ENABLED = False
elif opt == '--dotnetcore':
DOTNET_CORE_ENABLED = True
elif opt == '--nopython':
PYTHON_ENABLED = False
elif opt == '--dotnet-key':
@ -108,7 +113,11 @@ def check_build_dir(path):
def mk_build_dir(path):
if not check_build_dir(path) or FORCE_MK:
opts = ["python", os.path.join('scripts', 'mk_make.py'), "-b", path, "--staticlib"]
if DOTNET_ENABLED:
if DOTNET_CORE_ENABLED:
opts.append('--dotnetcore')
if not DOTNET_KEY_FILE is None:
opts.append('--dotnet-key=' + DOTNET_KEY_FILE)
elif DOTNET_ENABLED:
opts.append('--dotnet')
if not DOTNET_KEY_FILE is None:
opts.append('--dotnet-key=' + DOTNET_KEY_FILE)
@ -186,7 +195,10 @@ def mk_dist_dir():
build_path = BUILD_DIR
dist_path = os.path.join(DIST_DIR, get_z3_name())
mk_dir(dist_path)
mk_util.DOTNET_ENABLED = DOTNET_ENABLED
if DOTNET_CORE_ENABLED:
mk_util.DOTNET_CORE_ENABLED = True
else:
mk_util.DOTNET_ENABLED = DOTNET_ENABLED
mk_util.DOTNET_KEY_FILE = DOTNET_KEY_FILE
mk_util.JAVA_ENABLED = JAVA_ENABLED
mk_util.PYTHON_ENABLED = PYTHON_ENABLED

130
scripts/mk_util.py
View file

@ -461,7 +461,6 @@ def check_dotnet_core():
r = exec_cmd([DOTNET, '--help'])
if r != 0:
raise MKException('Failed testing dotnet. Make sure to install and configure dotnet core utilities')
pass
def check_ml():
t = TempFile('hello.ml')
@ -668,6 +667,7 @@ def display_help(exit_code):
if IS_WINDOWS:
print(" -v, --vsproj generate Visual Studio Project Files.")
print(" --optimize generate optimized code during linking.")
print(" --dotnetcore generate .NET platform bindings.")
print(" --dotnet generate .NET bindings.")
print(" --dotnet-key=<file> sign the .NET assembly using the private key in <file>.")
print(" --java generate Java bindings.")
@ -1627,6 +1627,23 @@ class PythonInstallComponent(Component):
def mk_makefile(self, out):
return
def set_key_file(self):
global DOTNET_KEY_FILE
# We need to give the assembly a strong name so that it
# can be installed into the GAC with ``make install``
if not DOTNET_KEY_FILE is None:
self.key_file = DOTNET_KEY_FILE
if not self.key_file is None:
if os.path.isfile(self.key_file):
self.key_file = os.path.abspath(self.key_file)
elif os.path.isfile(os.path.join(self.src_dir, self.key_file)):
self.key_file = os.path.abspath(os.path.join(self.src_dir, self.key_file))
else:
print("Keyfile '%s' could not be found; %s.dll will be unsigned." % (self.key_file, self.dll_name))
self.key_file = None
class DotNetDLLComponent(Component):
def __init__(self, name, dll_name, path, deps, assembly_info_dir, default_key_file):
Component.__init__(self, name, path, deps)
@ -1688,19 +1705,7 @@ class DotNetDLLComponent(Component):
]
)
# We need to give the assembly a strong name so that it
# can be installed into the GAC with ``make install``
if not DOTNET_KEY_FILE is None:
self.key_file = DOTNET_KEY_FILE
if not self.key_file is None:
if os.path.isfile(self.key_file):
self.key_file = os.path.abspath(self.key_file)
elif os.path.isfile(os.path.join(self.src_dir, self.key_file)):
self.key_file = os.path.abspath(os.path.join(self.src_dir, self.key_file))
else:
print("Keyfile '%s' could not be found; %s.dll will be unsigned." % (self.key_file, self.dll_name))
self.key_file = None
set_key_file(self)
if not self.key_file is None:
print("%s.dll will be signed using key '%s'." % (self.dll_name, self.key_file))
@ -1829,7 +1834,7 @@ class DotNetDLLComponent(Component):
MakeRuleCmd.remove_installed_files(out, pkg_config_file)
# TBD: retool the following for 'dotnet build'
# build for dotnet core
class DotNetCoreDLLComponent(Component):
def __init__(self, name, dll_name, path, deps, assembly_info_dir, default_key_file):
Component.__init__(self, name, path, deps)
@ -1841,16 +1846,8 @@ class DotNetCoreDLLComponent(Component):
self.assembly_info_dir = assembly_info_dir
self.key_file = default_key_file
def mk_nuget_config_file(self):
# TBD revise
"""
Create nuget file for the dot net bindings. These
are needed by Monodevelop.
"""
return
def mk_makefile(self, out):
global DOTNET_KEY_FILE
if not is_dotnet_core_enabled():
return
cs_fp_files = []
@ -1865,6 +1862,11 @@ class DotNetCoreDLLComponent(Component):
out.write(' ')
out.write(cs_file)
out.write('\n')
set_key_file(self)
key = ""
if not self.key_file is None:
key = "<AssemblyOriginatorKeyFile>%s</AssemblyOriginatorKeyFile>" % self.key_file
if VS_X64:
platform = 'x64'
@ -1878,14 +1880,13 @@ class DotNetCoreDLLComponent(Component):
core_csproj_str = """<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netcoreapp1.0</TargetFramework>
<TargetFramework>netstandard1.4</TargetFramework>
<PlatformTarget>%s</PlatformTarget>
<DefineConstants>$(DefineConstants);DOTNET_CORE</DefineConstants>
<DebugType>portable</DebugType>
<AssemblyName>Microsoft.Z3</AssemblyName>
<OutputType>Library</OutputType>
<PackageId>Microsoft.Z3</PackageId>
<PackageTargetFallback>$(PackageTargetFallback);dnxcore50</PackageTargetFallback>
<RuntimeFrameworkVersion>1.0.4</RuntimeFrameworkVersion>
<Version>%s</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
@ -1894,13 +1895,14 @@ class DotNetCoreDLLComponent(Component):
<Description>Z3 is a satisfiability modulo theories solver from Microsoft Research.</Description>
<Copyright>Copyright Microsoft Corporation. All rights reserved.</Copyright>
<PackageTags>smt constraint solver theorem prover</PackageTags>
%s
</PropertyGroup>
<ItemGroup>
<Compile Include="..\%s\*.cs" Exclude="bin\**;obj\**;**\*.xproj;packages\**" />
</ItemGroup>
</Project>""" % (platform, version, self.to_src_dir)
</Project>""" % (platform, version, key, self.to_src_dir)
mk_dir(os.path.join(BUILD_DIR, 'dotnet'))
csproj = os.path.join('dotnet', 'z3.csproj')
@ -1915,26 +1917,20 @@ class DotNetCoreDLLComponent(Component):
else:
dotnetCmdLine.extend(['Release'])
path = os.path.abspath(BUILD_DIR)
path = os.path.join(os.path.abspath(BUILD_DIR), ".")
dotnetCmdLine.extend(['-o', path])
# Now emit the command line
MakeRuleCmd.write_cmd(out, ' '.join(dotnetCmdLine))
# State that the high-level "dotnet" target depends on the .NET bindings
# dll we just created the build rule for
out.write('\n')
out.write('%s: %s\n\n' % (self.name, dllfile))
# Create nuget file
self.mk_nuget_config_file()
return
def main_component(self):
return is_dotnet_core_enabled()
def has_assembly_info(self):
# TBD: is this required for dotnet core given that version numbers are in z3.csproj file?
return True
def mk_win_dist(self, build_path, dist_path):
@ -1957,51 +1953,13 @@ class DotNetCoreDLLComponent(Component):
'%s.deps.json' % os.path.join(dist_path, INSTALL_BIN_DIR, self.dll_name))
def mk_install_deps(self, out):
if not is_dotnet_core_enabled():
return
out.write('%s' % self.name)
def gac_pkg_name(self):
return "{}.Sharp".format(self.dll_name)
def _install_or_uninstall_to_gac(self, out, install):
# TBD revise for nuget
gacUtilFlags = ['/package {}'.format(self.gac_pkg_name()),
'/root',
'{}{}'.format(MakeRuleCmd.install_root(), INSTALL_LIB_DIR)
]
if install:
install_or_uninstall_flag = '-i'
else:
# Note need use ``-us`` here which takes an assembly file name
# rather than ``-u`` which takes an assembly display name (e.g.
# )
install_or_uninstall_flag = '-us'
MakeRuleCmd.write_cmd(out, '{gacutil} {install_or_uninstall_flag} {assembly_name}.dll -f {flags}'.format(
gacutil=GACUTIL,
install_or_uninstall_flag=install_or_uninstall_flag,
assembly_name=self.dll_name,
flags=' '.join(gacUtilFlags)))
pass
def mk_install(self, out):
# TBD revise for nuget
if not is_dotnet_core_enabled():
return
self._install_or_uninstall_to_gac(out, install=True)
# Install pkg-config file. Monodevelop needs this to find Z3
pkg_config_output = os.path.join(self.build_dir,
'{}.pc'.format(self.gac_pkg_name()))
MakeRuleCmd.make_install_directory(out, INSTALL_PKGCONFIG_DIR)
MakeRuleCmd.install_files(out, pkg_config_output, INSTALL_PKGCONFIG_DIR)
pass
def mk_uninstall(self, out):
# TBD revise for nuget
if not is_dotnet_core_enabled():
return
self._install_or_uninstall_to_gac(out, install=False)
pkg_config_file = os.path.join('lib','pkgconfig','{}.pc'.format(self.gac_pkg_name()))
MakeRuleCmd.remove_installed_files(out, pkg_config_file)
pass
class JavaDLLComponent(Component):
def __init__(self, name, dll_name, package_name, manifest_file, path, deps):
@ -2428,7 +2386,8 @@ class DotNetExampleComponent(ExampleComponent):
out.write(' ')
out.write(os.path.join(self.to_ex_dir, csfile))
proj_path = os.path.join(BUILD_DIR, proj_name)
mk_dir(os.path.join(BUILD_DIR, 'dotnet_example'))
csproj = os.path.join('dotnet_example', proj_name)
if VS_X64:
platform = 'x64'
elif VS_ARM:
@ -2443,18 +2402,18 @@ class DotNetExampleComponent(ExampleComponent):
<PlatformTarget>%s</PlatformTarget>
</PropertyGroup>
<ItemGroup>
<Compile Include="%s/*.cs" />
<Compile Include="..\%s/*.cs" />
<Reference Include="Microsoft.Z3">
<HintPath>Microsoft.Z3.dll</HintPath>
<HintPath>..\Microsoft.Z3.dll</HintPath>
</Reference>
</ItemGroup>
</Project>""" % (platform, self.to_ex_dir)
with open(proj_path, 'w') as ous:
with open(os.path.join(BUILD_DIR, csproj), 'w') as ous:
ous.write(dotnet_proj_str)
out.write('\n')
dotnetCmdLine = [DOTNET, "build", proj_name]
dotnetCmdLine = [DOTNET, "build", csproj]
dotnetCmdLine.extend(['-c'])
if DEBUG_MODE:
dotnetCmdLine.extend(['Debug'])
@ -3219,7 +3178,8 @@ def mk_bindings(api_files):
if is_dotnet_enabled():
dotnet_output_dir = get_component('dotnet').src_dir
elif is_dotnet_core_enabled():
dotnet_output_dir = get_component('dotnetcore').src_dir
dotnet_output_dir = os.path.join(BUILD_DIR, 'dotnet')
mk_dir(dotnet_output_dir)
java_output_dir = None
java_package_name = None
if is_java_enabled():
@ -3248,10 +3208,10 @@ def mk_bindings(api_files):
mk_z3consts_ml(api_files)
if is_dotnet_enabled():
check_dotnet()
mk_z3consts_dotnet(api_files)
mk_z3consts_dotnet(api_files, dotnet_output_dir)
if is_dotnet_core_enabled():
check_dotnet_core()
mk_z3consts_dotnet(api_files)
mk_z3consts_dotnet(api_files, dotnet_output_dir)
# Extract enumeration types from API files, and add python definitions.
def mk_z3consts_py(api_files):
@ -3268,7 +3228,7 @@ def mk_z3consts_py(api_files):
print("Generated '{}".format(generated_file))
# Extract enumeration types from z3_api.h, and add .Net definitions
def mk_z3consts_dotnet(api_files):
def mk_z3consts_dotnet(api_files, output_dir):
dotnet = get_component(DOTNET_COMPONENT)
if not dotnet:
dotnet = get_component(DOTNET_CORE_COMPONENT)
@ -3277,7 +3237,7 @@ def mk_z3consts_dotnet(api_files):
api_file_c = dotnet.find_file(api_file, dotnet.name)
api_file = os.path.join(api_file_c.src_dir, api_file)
full_path_api_files.append(api_file)
generated_file = mk_genfile_common.mk_z3consts_dotnet_internal(full_path_api_files, dotnet.src_dir)
generated_file = mk_genfile_common.mk_z3consts_dotnet_internal(full_path_api_files, output_dir)
if VERBOSE:
print("Generated '{}".format(generated_file))

18
scripts/mk_win_dist.py
View file

@ -25,6 +25,7 @@ VERBOSE=True
DIST_DIR='dist'
FORCE_MK=False
DOTNET_ENABLED=True
DOTNET_CORE_ENABLED=False
DOTNET_KEY_FILE=None
JAVA_ENABLED=True
GIT_HASH=False
@ -62,6 +63,7 @@ def display_help():
print(" -b <sudir>, --build=<subdir> subdirectory where x86 and x64 Z3 versions will be built (default: build-dist).")
print(" -f, --force force script to regenerate Makefiles.")
print(" --nodotnet do not include .NET bindings in the binary distribution files.")
print(" --dotnetcore build for dotnet core.")
print(" --dotnet-key=<file> sign the .NET assembly with the private key in <file>.")
print(" --nojava do not include Java bindings in the binary distribution files.")
print(" --nopython do not include Python bindings in the binary distribution files.")
@ -72,7 +74,7 @@ def display_help():
# Parse configuration option for mk_make script
def parse_options():
global FORCE_MK, JAVA_ENABLED, GIT_HASH, DOTNET_ENABLED, DOTNET_KEY_FILE, PYTHON_ENABLED, X86ONLY, X64ONLY
global FORCE_MK, JAVA_ENABLED, GIT_HASH, DOTNET_ENABLED, DOTNET_CORE_ENABLED, DOTNET_KEY_FILE, PYTHON_ENABLED, X86ONLY, X64ONLY
path = BUILD_DIR
options, remainder = getopt.gnu_getopt(sys.argv[1:], 'b:hsf', ['build=',
'help',
@ -80,6 +82,7 @@ def parse_options():
'force',
'nojava',
'nodotnet',
'dotnetcore',
'dotnet-key=',
'githash',
'nopython',
@ -99,6 +102,8 @@ def parse_options():
FORCE_MK = True
elif opt == '--nodotnet':
DOTNET_ENABLED = False
elif opt == '--dotnetcore':
DOTNET_CORE_ENABLED = True
elif opt == '--nopython':
PYTHON_ENABLED = False
elif opt == '--dotnet-key':
@ -124,7 +129,11 @@ def mk_build_dir(path, x64):
if not check_build_dir(path) or FORCE_MK:
parallel = '--parallel=' + MAKEJOBS
opts = ["python", os.path.join('scripts', 'mk_make.py'), parallel, "-b", path]
if DOTNET_ENABLED:
if DOTNET_CORE_ENABLED:
opts.append('--dotnetcore')
if not DOTNET_KEY_FILE is None:
opts.append('--dotnet-key=' + DOTNET_KEY_FILE)
elif DOTNET_ENABLED:
opts.append('--dotnet')
if not DOTNET_KEY_FILE is None:
opts.append('--dotnet-key=' + DOTNET_KEY_FILE)
@ -208,7 +217,10 @@ def mk_dist_dir(x64):
build_path = BUILD_X86_DIR
dist_path = os.path.join(DIST_DIR, get_z3_name(x64))
mk_dir(dist_path)
mk_util.DOTNET_ENABLED = DOTNET_ENABLED
if DOTNET_CORE_ENABLED:
mk_util.DOTNET_CORE_ENABLED = True
else:
mk_util.DOTNET_ENABLED = DOTNET_ENABLED
mk_util.DOTNET_KEY_FILE = DOTNET_KEY_FILE
mk_util.JAVA_ENABLED = JAVA_ENABLED
mk_util.PYTHON_ENABLED = PYTHON_ENABLED

20
src/api/dotnet/Context.cs
View file

@ -931,6 +931,26 @@ namespace Microsoft.Z3
return new BoolExpr(this, Native.Z3_mk_xor(nCtx, t1.NativeObject, t2.NativeObject));
}
/// <summary>
/// Create an expression representing <c>t1 xor t2 xor t3 ... </c>.
/// </summary>
public BoolExpr MkXor(IEnumerable<BoolExpr> ts)
{
Debug.Assert(ts != null);
Debug.Assert(ts.All(a => a != null));
CheckContextMatch<BoolExpr>(ts);
BoolExpr r = null;
foreach (var t in ts) {
if (r == null)
r = t;
else
r = MkXor(r, t);
}
if (r == null)
r = MkTrue();
return r;
}
/// <summary>
/// Create an expression representing <c>t[0] and t[1] and ...</c>.
/// </summary>

8
src/api/dotnet/Model.cs
View file

@ -238,6 +238,14 @@ namespace Microsoft.Z3
return Eval(t, completion);
}
/// <summary>
/// Evaluate expression to a double, assuming it is a numeral already.
/// </summary>
public double Double(Expr t) {
var r = Eval(t, true);
return Native.Z3_get_numeral_double(Context.nCtx, r.NativeObject);
}
/// <summary>
/// The number of uninterpreted sorts that the model has an interpretation for.
/// </summary>

16
src/api/java/Context.java
View file

@ -2173,6 +2173,22 @@ public class Context implements AutoCloseable {
{
checkContextMatch(t);
return (ReExpr) Expr.create(this, Native.mkReIntersect(nCtx(), t.length, AST.arrayToNative(t)));
}
/**
* Create the empty regular expression.
*/
public ReExpr mkEmptyRe(Sort s)
{
return (ReExpr) Expr.create(this, Native.mkReEmpty(nCtx(), s.getNativeObject()));
}
/**
* Create the full regular expression.
*/
public ReExpr mkFullRe(Sort s)
{
return (ReExpr) Expr.create(this, Native.mkReFull(nCtx(), s.getNativeObject()));
}
/**

4
src/api/python/z3/z3.py
View file

@ -6164,6 +6164,10 @@ class ModelRef(Z3PPObject):
def __deepcopy__(self):
return self.translate(self.ctx)
def Model(ctx = None):
ctx = _get_ctx(ctx)
return ModelRef(Z3_mk_model(ctx.ref()), ctx)
def is_as_array(n):
"""Return true if n is a Z3 expression of the form (_ as-array f)."""
return isinstance(n, ExprRef) and Z3_is_as_array(n.ctx.ref(), n.as_ast())

2
src/api/z3_api.h
View file

@ -5579,7 +5579,7 @@ extern "C" {
\brief Convert a goal into a DIMACS formatted string.
The goal must be in CNF. You can convert a goal to CNF
by applying the tseitin-cnf tactic. Bit-vectors are not automatically
converted to Booleans either, so the caller intends to
converted to Booleans either, so if the caller intends to
preserve satisfiability, it should apply bit-blasting tactics.
Quantifiers and theory atoms will not be encoded.

119
src/opt/maxres.cpp
View file

@ -108,6 +108,7 @@ private:
bool m_pivot_on_cs; // prefer smaller correction set to core.
bool m_dump_benchmarks; // display benchmarks (into wcnf format)
std::string m_trace_id;
typedef ptr_vector<expr> exprs;
@ -152,6 +153,14 @@ public:
(m.is_not(l, l) && is_uninterp_const(l));
}
void add(expr_ref_vector const& es) {
for (expr* e : es) add(e);
}
void add(expr* e) {
s().assert_expr(e);
}
void add_soft(expr* e, rational const& w) {
TRACE("opt", tout << mk_pp(e, m) << " |-> " << w << "\n";);
expr_ref asum(m), fml(m);
@ -168,7 +177,7 @@ public:
else {
asum = mk_fresh_bool("soft");
fml = m.mk_iff(asum, e);
s().assert_expr(fml);
add(fml);
}
new_assumption(asum, w);
}
@ -194,11 +203,8 @@ public:
if (is_sat != l_true) return is_sat;
while (m_lower < m_upper) {
TRACE("opt_verbose",
display_vec(tout, m_asms);
s().display(tout);
tout << "\n";
display(tout);
);
s().display(tout << m_asms << "\n") << "\n";
display(tout););
is_sat = check_sat_hill_climb(m_asms);
if (m.canceled()) {
return l_undef;
@ -206,8 +212,7 @@ public:
switch (is_sat) {
case l_true:
CTRACE("opt", !m_model->is_true(m_asms),
tout << *m_model;
tout << "assumptions: ";
tout << *m_model << "assumptions: ";
for (expr* a : m_asms) tout << mk_pp(a, m) << " -> " << (*m_model)(a) << " ";
tout << "\n";);
SASSERT(m_model->is_true(m_asms));
@ -320,6 +325,7 @@ public:
void found_optimum() {
IF_VERBOSE(1, verbose_stream() << "found optimum\n";);
verify_assumptions();
m_lower.reset();
for (soft& s : m_soft) {
s.is_true = m_model->is_true(s.s);
@ -348,7 +354,14 @@ public:
st.update("maxres-correction-sets", m_stats.m_num_cs);
}
lbool get_cores(vector<exprs>& cores) {
struct weighted_core {
exprs m_core;
rational m_weight;
weighted_core(exprs const& c, rational const& w):
m_core(c), m_weight(w) {}
};
lbool get_cores(vector<weighted_core>& cores) {
// assume m_s is unsat.
lbool is_sat = l_false;
cores.reset();
@ -361,7 +374,7 @@ public:
get_mus_model(mdl);
is_sat = minimize_core(_core);
core.append(_core.size(), _core.c_ptr());
// verify_core(core);
verify_core(core);
++m_stats.m_num_cores;
if (is_sat != l_true) {
IF_VERBOSE(100, verbose_stream() << "(opt.maxres minimization failed)\n";);
@ -373,13 +386,16 @@ public:
m_lower = m_upper;
return l_true;
}
// 1. remove all core literals from m_asms
// 2. re-add literals of higher weight than min-weight.
// 3. 'core' stores the core literals that are
// re-encoded as assumptions, afterwards
cores.push_back(weighted_core(core, core_weight(core)));
remove_soft(core, m_asms);
split_core(core);
cores.push_back(core);
split_core(core);
if (core.size() >= m_max_core_size) break;
if (cores.size() >= m_max_num_cores) break;
@ -389,7 +405,7 @@ public:
TRACE("opt",
tout << "sat: " << is_sat << " num cores: " << cores.size() << "\n";
for (auto const& c : cores) display_vec(tout, c);
for (auto const& c : cores) display_vec(tout, c.m_core);
tout << "num assumptions: " << m_asms.size() << "\n";);
return is_sat;
@ -456,7 +472,7 @@ public:
}
lbool process_unsat() {
vector<exprs> cores;
vector<weighted_core> cores;
lbool is_sat = get_cores(cores);
if (is_sat != l_true) {
return is_sat;
@ -478,9 +494,9 @@ public:
return result;
}
void process_unsat(vector<exprs> const& cores) {
void process_unsat(vector<weighted_core> const& cores) {
for (auto const & c : cores) {
process_unsat(c);
process_unsat(c.m_core, c.m_weight);
}
}
@ -491,16 +507,15 @@ public:
}
}
void process_unsat(exprs const& core) {
void process_unsat(exprs const& core, rational w) {
IF_VERBOSE(3, verbose_stream() << "(maxres cs model valid: " << (m_csmodel.get() != nullptr) << " cs size:" << m_correction_set_size << " core: " << core.size() << ")\n";);
expr_ref fml(m);
SASSERT(!core.empty());
rational w = core_weight(core);
TRACE("opt", display_vec(tout << "minimized core: ", core););
IF_VERBOSE(10, display_vec(verbose_stream() << "core: ", core););
IF_VERBOSE(10, display_vec(verbose_stream() << "core: ", core););
max_resolve(core, w);
fml = mk_not(m, mk_and(m, core.size(), core.c_ptr()));
s().assert_expr(fml);
add(fml);
m_lower += w;
if (m_st == s_primal_dual) {
m_lower = std::min(m_lower, m_upper);
@ -636,10 +651,10 @@ public:
else {
dd = mk_fresh_bool("d");
fml = m.mk_implies(dd, d);
s().assert_expr(fml);
add(fml);
m_defs.push_back(fml);
fml = m.mk_implies(dd, b_i);
s().assert_expr(fml);
add(fml);
m_defs.push_back(fml);
fml = m.mk_and(d, b_i);
update_model(dd, fml);
@ -650,7 +665,7 @@ public:
fml = m.mk_implies(asum, cls);
update_model(asum, cls);
new_assumption(asum, w);
s().assert_expr(fml);
add(fml);
m_defs.push_back(fml);
}
}
@ -682,7 +697,7 @@ public:
d = mk_fresh_bool("d");
fml = m.mk_implies(d, cls);
update_model(d, cls);
s().assert_expr(fml);
add(fml);
m_defs.push_back(fml);
}
@ -691,10 +706,10 @@ public:
}
asum = mk_fresh_bool("a");
fml = m.mk_implies(asum, b_i1);
s().assert_expr(fml);
add(fml);
m_defs.push_back(fml);
fml = m.mk_implies(asum, cls);
s().assert_expr(fml);
add(fml);
m_defs.push_back(fml);
new_assumption(asum, w);
@ -702,7 +717,7 @@ public:
update_model(asum, fml);
}
fml = m.mk_or(cs.size(), cs.c_ptr());
s().assert_expr(fml);
add(fml);
}
void update_assignment(model_ref & mdl) {
@ -747,7 +762,7 @@ public:
s.is_true = m_model->is_true(s.s);
}
// DEBUG_CODE(verify_assignment(););
verify_assignment();
m_upper = upper;
@ -768,7 +783,7 @@ public:
}
fml = u.mk_lt(nsoft.size(), weights.c_ptr(), nsoft.c_ptr(), m_upper);
TRACE("opt", tout << "block upper bound " << fml << "\n";);;
s().assert_expr(fml);
add(fml);
}
void remove_soft(exprs const& core, expr_ref_vector& asms) {
@ -819,40 +834,50 @@ public:
void commit_assignment() override {
if (m_found_feasible_optimum) {
TRACE("opt", tout << "Committing feasible solution\n" << m_defs << " " << m_asms;);
s().assert_expr(m_defs);
s().assert_expr(m_asms);
add(m_defs);
add(m_asms);
}
// else: there is only a single assignment to these soft constraints.
}
void verify_core(exprs const& core) {
IF_VERBOSE(3, verbose_stream() << "verify core\n";);
ref<solver> smt_solver = mk_smt_solver(m, m_params, symbol());
smt_solver->assert_expr(s().get_assertions());
smt_solver->assert_expr(core);
lbool is_sat = smt_solver->check_sat(0, nullptr);
if (is_sat == l_true) {
IF_VERBOSE(0, verbose_stream() << "not a core\n";);
}
return;
IF_VERBOSE(3, verbose_stream() << "verify core " << s().check_sat(core.size(), core.c_ptr()) << "\n";);
ref<solver> _solver = mk_smt_solver(m, m_params, symbol());
_solver->assert_expr(s().get_assertions());
_solver->assert_expr(core);
lbool is_sat = _solver->check_sat(0, nullptr);
IF_VERBOSE(0, verbose_stream() << "core status (l_false:) " << is_sat << "\n");
VERIFY(is_sat == l_false);
}
void verify_assumptions() {
return;
IF_VERBOSE(1, verbose_stream() << "verify assumptions\n";);
ref<solver> _solver = mk_smt_solver(m, m_params, symbol());
_solver->assert_expr(s().get_assertions());
_solver->assert_expr(m_asms);
lbool is_sat = _solver->check_sat(0, nullptr);
IF_VERBOSE(1, verbose_stream() << "assignment status (l_true) " << is_sat << "\n";);
VERIFY(is_sat == l_true);
}
void verify_assignment() {
return;
IF_VERBOSE(1, verbose_stream() << "verify assignment\n";);
ref<solver> smt_solver = mk_smt_solver(m, m_params, symbol());
smt_solver->assert_expr(s().get_assertions());
ref<solver> _solver = mk_smt_solver(m, m_params, symbol());
_solver->assert_expr(s().get_assertions());
expr_ref n(m);
for (soft& s : m_soft) {
n = s.s;
if (!s.is_true) {
n = mk_not(m, n);
}
smt_solver->assert_expr(n);
_solver->assert_expr(n);
}
lbool is_sat = smt_solver->check_sat(0, nullptr);
if (is_sat == l_false) {
IF_VERBOSE(0, verbose_stream() << "assignment is infeasible\n";);
}
IF_VERBOSE(1, verbose_stream() << "verified\n";);
lbool is_sat = _solver->check_sat(0, nullptr);
IF_VERBOSE(1, verbose_stream() << "assignment status (l_true) " << is_sat << "\n");
VERIFY(is_sat == l_true);
}
};

13
src/opt/opt_context.cpp
View file

@ -284,7 +284,9 @@ namespace opt {
symbol pri = optp.priority();
IF_VERBOSE(1, verbose_stream() << "(optimize:check-sat)\n");
lbool is_sat = s.check_sat(asms.size(),asms.c_ptr());
TRACE("opt", s.display(tout << "initial search result: " << is_sat << "\n"););
if (is_sat != l_false) {
s.get_model(m_model);
@ -1565,11 +1567,12 @@ namespace opt {
mdl->set_model_completion(true);
for (expr * f : fmls) {
if (!mdl->is_true(f)) {
//IF_VERBOSE(0, m_fm->display(verbose_stream() << "fm\n"));
IF_VERBOSE(0, m_model_converter->display(verbose_stream() << "mc\n"));
IF_VERBOSE(0, verbose_stream() << "Failed to validate " << mk_pp(f, m) << "\n" << tmp << "\n");
IF_VERBOSE(0, model_smt2_pp(verbose_stream(), m, *mdl, 0));
IF_VERBOSE(11, verbose_stream() << to_string_internal() << "\n");
IF_VERBOSE(0,
verbose_stream() << "Failed to validate " << mk_pp(f, m) << "\n" << tmp << "\n";
m_fm->display(verbose_stream() << "fm\n");
m_model_converter->display(verbose_stream() << "mc\n");
model_smt2_pp(verbose_stream(), m, *mdl, 0);
verbose_stream() << to_string_internal() << "\n");
exit(0);
}
}

2
src/smt/theory_arith_core.h
View file

@ -503,7 +503,7 @@ namespace smt {
tout << "lower: " << lower << "\n";
tout << "upper: " << upper << "\n";);
mk_axiom(eqz, eq, true);
mk_axiom(eqz, eq, false);
mk_axiom(eqz, lower, false);
mk_axiom(eqz, upper, !m_util.is_numeral(abs_divisor));
rational k;

1
src/solver/check_sat_result.cpp
View file

@ -36,6 +36,7 @@ void check_sat_result::set_reason_unknown(event_handler& eh) {
}
}
simple_check_sat_result::simple_check_sat_result(ast_manager & m):
m_core(m),
m_proof(m) {

6
src/tactic/bv/bit_blaster_model_converter.cpp
View file

@ -72,10 +72,8 @@ struct bit_blaster_model_converter : public model_converter {
}
TRACE("blaster_mc",
tout << "bits that should not be included in the model:\n";
obj_hashtable<func_decl>::iterator it = bits.begin();
obj_hashtable<func_decl>::iterator end = bits.end();
for (; it != end; ++it) {
tout << (*it)->get_name() << " ";
for (func_decl* f : bits) {
tout << f->get_name() << " ";
}
tout << "\n";);

101
src/util/params.cpp
View file

@ -161,19 +161,15 @@ struct param_descrs::imp {
void display(std::ostream & out, unsigned indent, bool smt2_style, bool include_descr) const {
svector<symbol> names;
dictionary<info>::iterator it = m_info.begin();
dictionary<info>::iterator end = m_info.end();
for (; it != end; ++it) {
names.push_back(it->m_key);
for (auto const& kv : m_info) {
names.push_back(kv.m_key);
}
std::sort(names.begin(), names.end(), lt());
svector<symbol>::iterator it2 = names.begin();
svector<symbol>::iterator end2 = names.end();
for (; it2 != end2; ++it2) {
for (symbol const& name : names) {
for (unsigned i = 0; i < indent; i++) out << " ";
if (smt2_style)
out << ':';
char const * s = it2->bare_str();
char const * s = name.bare_str();
unsigned n = static_cast<unsigned>(strlen(s));
for (unsigned i = 0; i < n; i++) {
if (smt2_style && s[i] == '_')
@ -186,7 +182,7 @@ struct param_descrs::imp {
out << s[i];
}
info d;
m_info.find(*it2, d);
m_info.find(name, d);
SASSERT(d.m_descr);
out << " (" << d.m_kind << ")";
if (include_descr)
@ -198,10 +194,8 @@ struct param_descrs::imp {
}
void copy(param_descrs & other) {
dictionary<info>::iterator it = other.m_imp->m_info.begin();
dictionary<info>::iterator end = other.m_imp->m_info.end();
for (; it != end; ++it) {
insert(it->m_key, it->m_value.m_kind, it->m_value.m_descr, it->m_value.m_default, it->m_value.m_module);
for (auto const& kv : other.m_imp->m_info) {
insert(kv.m_key, kv.m_value.m_kind, kv.m_value.m_descr, kv.m_value.m_default, kv.m_value.m_module);
}
}
@ -346,24 +340,22 @@ public:
void reset(symbol const & k);
void reset(char const * k);
void validate(param_descrs const & p) {
svector<params::entry>::iterator it = m_entries.begin();
svector<params::entry>::iterator end = m_entries.end();
void validate(param_descrs const & p) {
symbol suffix, prefix;
for (; it != end; ++it) {
param_kind expected = p.get_kind_in_module(it->first);
for (params::entry& e : m_entries) {
param_kind expected = p.get_kind_in_module(e.first);
if (expected == CPK_INVALID) {
std::stringstream strm;
strm << "unknown parameter '" << it->first.str() << "'\n";
strm << "unknown parameter '" << e.first.str() << "'\n";
strm << "Legal parameters are:\n";
p.display(strm, 2, false, false);
throw default_exception(strm.str());
}
if (it->second.m_kind != expected &&
!(it->second.m_kind == CPK_UINT && expected == CPK_NUMERAL)) {
if (e.second.m_kind != expected &&
!(e.second.m_kind == CPK_UINT && expected == CPK_NUMERAL)) {
std::stringstream strm;
strm << "Parameter " << it->first.str() << " was given argument of type ";
strm << it->second.m_kind << ", expected " << expected;
strm << "Parameter " << e.first.str() << " was given argument of type ";
strm << e.second.m_kind << ", expected " << expected;
throw default_exception(strm.str());
}
}
@ -405,28 +397,26 @@ public:
void display(std::ostream & out) const {
out << "(params";
svector<params::entry>::const_iterator it = m_entries.begin();
svector<params::entry>::const_iterator end = m_entries.end();
for (; it != end; ++it) {
out << " " << it->first;
switch (it->second.m_kind) {
for (params::entry const& e : m_entries) {
out << " " << e.first;
switch (e.second.m_kind) {
case CPK_BOOL:
out << " " << (it->second.m_bool_value?"true":"false");
out << " " << (e.second.m_bool_value?"true":"false");
break;
case CPK_UINT:
out << " " <<it->second.m_uint_value;
out << " " <<e.second.m_uint_value;
break;
case CPK_DOUBLE:
out << " " << it->second.m_double_value;
out << " " << e.second.m_double_value;
break;
case CPK_NUMERAL:
out << " " << *(it->second.m_rat_value);
out << " " << *(e.second.m_rat_value);
break;
case CPK_SYMBOL:
out << " " << symbol::mk_symbol_from_c_ptr(it->second.m_sym_value);
out << " " << symbol::mk_symbol_from_c_ptr(e.second.m_sym_value);
break;
case CPK_STRING:
out << " " << it->second.m_str_value;
out << " " << e.second.m_str_value;
break;
default:
UNREACHABLE();
@ -437,31 +427,29 @@ public:
}
void display_smt2(std::ostream & out, char const* module, param_descrs& descrs) const {
svector<params::entry>::const_iterator it = m_entries.begin();
svector<params::entry>::const_iterator end = m_entries.end();
for (; it != end; ++it) {
if (!descrs.contains(it->first)) continue;
for (params::entry const& e : m_entries) {
if (!descrs.contains(e.first)) continue;
out << "(set-option :";
out << module << ".";
out << it->first;
switch (it->second.m_kind) {
out << e.first;
switch (e.second.m_kind) {
case CPK_BOOL:
out << " " << (it->second.m_bool_value?"true":"false");
out << " " << (e.second.m_bool_value?"true":"false");
break;
case CPK_UINT:
out << " " <<it->second.m_uint_value;
out << " " <<e.second.m_uint_value;
break;
case CPK_DOUBLE:
out << " " << it->second.m_double_value;
out << " " << e.second.m_double_value;
break;
case CPK_NUMERAL:
out << " " << *(it->second.m_rat_value);
out << " " << *(e.second.m_rat_value);
break;
case CPK_SYMBOL:
out << " " << symbol::mk_symbol_from_c_ptr(it->second.m_sym_value);
out << " " << symbol::mk_symbol_from_c_ptr(e.second.m_sym_value);
break;
case CPK_STRING:
out << " " << it->second.m_str_value;
out << " " << e.second.m_str_value;
break;
default:
UNREACHABLE();
@ -472,29 +460,27 @@ public:
}
void display(std::ostream & out, symbol const & k) const {
svector<params::entry>::const_iterator it = m_entries.begin();
svector<params::entry>::const_iterator end = m_entries.end();
for (; it != end; ++it) {
if (it->first != k)
for (params::entry const& e : m_entries) {
if (e.first != k)
continue;
switch (it->second.m_kind) {
switch (e.second.m_kind) {
case CPK_BOOL:
out << (it->second.m_bool_value?"true":"false");
out << (e.second.m_bool_value?"true":"false");
return;
case CPK_UINT:
out << it->second.m_uint_value;
out << e.second.m_uint_value;
return;
case CPK_DOUBLE:
out << it->second.m_double_value;
out << e.second.m_double_value;
return;
case CPK_NUMERAL:
out << *(it->second.m_rat_value);
out << *(e.second.m_rat_value);
return;
case CPK_SYMBOL:
out << symbol::mk_symbol_from_c_ptr(it->second.m_sym_value);
out << symbol::mk_symbol_from_c_ptr(e.second.m_sym_value);
return;
case CPK_STRING:
out << it->second.m_str_value;
out << e.second.m_str_value;
return;
default:
out << "internal";
@ -786,6 +772,7 @@ void params::del_values() {
return false; \
}
bool params::contains(symbol const & k) const {
CONTAINS(k);
}