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Merge remote-tracking branch 'upstream/master' into lackr

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This commit is contained in:
Mikolas Janota 2016-01-07 16:39:43 +00:00
parent 0fd61eee1f 66604fa621
commit 743a59254e
100 changed files with 8825 additions and 3447 deletions
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12
examples/c/test_capi.c
View file

@ -2758,17 +2758,17 @@ void fpa_example() {
Z3_solver_push(ctx, s);
c1 = Z3_mk_fpa_fp(ctx,
Z3_mk_numeral(ctx, "0", Z3_mk_bv_sort(ctx, 1)),
Z3_mk_numeral(ctx, "3377699720527872", Z3_mk_bv_sort(ctx, 52)),
Z3_mk_numeral(ctx, "1025", Z3_mk_bv_sort(ctx, 11)));
Z3_mk_numeral(ctx, "1025", Z3_mk_bv_sort(ctx, 11)),
Z3_mk_numeral(ctx, "3377699720527872", Z3_mk_bv_sort(ctx, 52)));
c2 = Z3_mk_fpa_to_fp_bv(ctx,
Z3_mk_numeral(ctx, "4619567317775286272", Z3_mk_bv_sort(ctx, 64)),
Z3_mk_fpa_sort(ctx, 11, 53));
c3 = Z3_mk_fpa_to_fp_int_real(ctx,
c3 = Z3_mk_fpa_to_fp_int_real(ctx,
Z3_mk_fpa_rtz(ctx),
Z3_mk_numeral(ctx, "2", Z3_mk_int_sort(ctx)),
Z3_mk_numeral(ctx, "1.75", Z3_mk_real_sort(ctx)),
Z3_mk_numeral(ctx, "2", Z3_mk_int_sort(ctx)), /* exponent */
Z3_mk_numeral(ctx, "1.75", Z3_mk_real_sort(ctx)), /* significand */
Z3_mk_fpa_sort(ctx, 11, 53));
c4 = Z3_mk_fpa_to_fp_real(ctx,
c4 = Z3_mk_fpa_to_fp_real(ctx,
Z3_mk_fpa_rtz(ctx),
Z3_mk_numeral(ctx, "7.0", Z3_mk_real_sort(ctx)),
Z3_mk_fpa_sort(ctx, 11, 53));

34
scripts/mk_copyright.py
View file

@ -19,15 +19,15 @@ def has_cr(file):
lines = 0
line = ins.readline()
while line and lines < 20:
m = cr.search(line)
if m:
ins.close()
return True
m = aut.search(line)
if m:
ins.close()
return True
line = ins.readline()
m = cr.search(line)
if m:
ins.close()
return True
m = aut.search(line)
if m:
ins.close()
return True
line = ins.readline()
ins.close()
return False
@ -38,20 +38,20 @@ def add_cr(file):
ous.write(cr_notice)
line = ins.readline()
while line:
ous.write(line)
line = ins.readline()
ous.write(line)
line = ins.readline()
ins.close()
ous.close()
os.system("move %s %s" % (tmp, file))
def add_missing_cr(dir):
for root, dirs, files in os.walk(dir):
for f in files:
if f.endswith('.cpp') or f.endswith('.h') or f.endswith('.c') or f.endswith('.cs'):
path = "%s\\%s" % (root, f)
if not has_cr(path):
print("Missing CR for %s" % path)
add_cr(path)
for f in files:
if f.endswith('.cpp') or f.endswith('.h') or f.endswith('.c') or f.endswith('.cs'):
path = "%s\\%s" % (root, f)
if not has_cr(path):
print("Missing CR for %s" % path)
add_cr(path)
add_missing_cr('src')
add_missing_cr('examples')

1
scripts/mk_make.py
View file

@ -17,6 +17,7 @@ update_version()
mk_auto_src()
mk_bindings(API_files)
mk_vs_proj('z3', ['shell'])
mk_vs_proj_dll('libz3', ['api_dll'])
mk_makefile()

3
scripts/mk_project.py
View file

@ -16,11 +16,12 @@ def init_project_def():
add_lib('nlsat', ['polynomial', 'sat'])
add_lib('hilbert', ['util'], 'math/hilbert')
add_lib('simplex', ['util'], 'math/simplex')
add_lib('automata', ['util'], 'math/automata')
add_lib('interval', ['util'], 'math/interval')
add_lib('realclosure', ['interval'], 'math/realclosure')
add_lib('subpaving', ['interval'], 'math/subpaving')
add_lib('ast', ['util', 'polynomial'])
add_lib('rewriter', ['ast', 'polynomial'], 'ast/rewriter')
add_lib('rewriter', ['ast', 'polynomial', 'automata'], 'ast/rewriter')
add_lib('normal_forms', ['rewriter'], 'ast/normal_forms')
add_lib('model', ['rewriter'])
add_lib('tactic', ['ast', 'model'])

329
scripts/mk_util.py
View file

@ -643,7 +643,7 @@ def display_help(exit_code):
def parse_options():
global VERBOSE, DEBUG_MODE, IS_WINDOWS, VS_X64, ONLY_MAKEFILES, SHOW_CPPS, VS_PROJ, TRACE, VS_PAR, VS_PAR_NUM
global DOTNET_ENABLED, JAVA_ENABLED, ML_ENABLED, STATIC_LIB, PREFIX, GMP, FOCI2, FOCI2LIB, PYTHON_PACKAGE_DIR, GPROF, GIT_HASH
global LINUX_X64, SLOW_OPTIMIZE, USE_OMP, PYTHON_INSTALL_ENABLED
global LINUX_X64, SLOW_OPTIMIZE, USE_OMP
try:
options, remainder = getopt.gnu_getopt(sys.argv[1:],
'b:df:sxhmcvtnp:gj',
@ -711,26 +711,7 @@ def parse_options():
else:
print("ERROR: Invalid command line option '%s'" % opt)
display_help(1)
# Handle the Python package directory
if IS_WINDOWS:
# Installing under Windows doesn't make sense as the install prefix is used
# but that doesn't make sense under Windows
PYTHON_INSTALL_ENABLED = False
else:
if not PYTHON_PACKAGE_DIR.startswith(PREFIX):
print(("Warning: The detected Python package directory (%s)"
" does not live under the installation prefix (%s)"
". This would lead to a broken Python installation."
"Use --pypkgdir= to change the Python package directory") %
(PYTHON_PACKAGE_DIR, PREFIX))
if IS_OSX and PYTHON_PACKAGE_DIR.startswith('/Library/'):
print("Using hack to install Python bindings, this might lead to a broken system")
PYTHON_INSTALL_ENABLED = True
else:
print("Disabling install of Python bindings")
PYTHON_INSTALL_ENABLED = False
else:
PYTHON_INSTALL_ENABLED = True
# Return a list containing a file names included using '#include' in
# the given C/C++ file named fname.
@ -1036,6 +1017,11 @@ class Component:
def mk_unix_dist(self, build_path, dist_path):
return
# Used to print warnings or errors after mk_make.py is done, so that they
# are not quite as easy to miss.
def final_info(self):
pass
class LibComponent(Component):
def __init__(self, name, path, deps, includes2install):
Component.__init__(self, name, path, deps)
@ -1062,8 +1048,8 @@ class LibComponent(Component):
out.write('\n')
out.write('%s: %s\n\n' % (self.name, libfile))
def mk_install_dep(self, out):
out.write('%s' % libfile)
def mk_install_deps(self, out):
return
def mk_install(self, out):
for include in self.includes2install:
@ -1151,8 +1137,10 @@ class ExeComponent(Component):
def main_component(self):
return self.install
def mk_install_dep(self, out):
out.write('%s' % exefile)
def mk_install_deps(self, out):
if self.install:
exefile = '%s$(EXE_EXT)' % self.exe_name
out.write('%s' % exefile)
def mk_install(self, out):
if self.install:
@ -1308,7 +1296,7 @@ class DLLComponent(Component):
def require_def_file(self):
return IS_WINDOWS and self.export_files
def mk_install_dep(self, out):
def mk_install_deps(self, out):
out.write('%s$(SO_EXT)' % self.dll_name)
if self.static:
out.write(' %s$(LIB_EXT)' % self.dll_name)
@ -1345,27 +1333,43 @@ class DLLComponent(Component):
class PythonInstallComponent(Component):
def __init__(self, name, libz3Component):
assert isinstance(libz3Component, DLLComponent)
global PYTHON_INSTALL_ENABLED
Component.__init__(self, name, None, [])
self.pythonPkgDir = None
self.in_prefix_install = True
self.libz3Component = libz3Component
if not PYTHON_INSTALL_ENABLED:
return
if self.is_osx_hack():
# Use full path that is outside of install prefix
self.pythonPkgDir = PYTHON_PACKAGE_DIR
self.in_prefix_install = False
assert os.path.isabs(self.pythonPkgDir)
if IS_WINDOWS:
# Installing under Windows doesn't make sense as the install prefix is used
# but that doesn't make sense under Windows
# CMW: It makes perfectly good sense; the prefix is Python's sys.prefix,
# i.e., something along the lines of C:\Python\... At the moment we are not
# sure whether we would want to install libz3.dll into that directory though.
PYTHON_INSTALL_ENABLED = False
return
else:
# Use path inside the prefix (should be the normal case)
PYTHON_INSTALL_ENABLED = True
if IS_WINDOWS or IS_OSX:
# Use full path that is possibly outside of install prefix
self.in_prefix_install = PYTHON_PACKAGE_DIR.startswith(PREFIX)
self.pythonPkgDir = strip_path_prefix(PYTHON_PACKAGE_DIR, PREFIX)
else:
# Use path inside the prefix (should be the normal case on Linux)
# CMW: Also normal on *BSD?
assert PYTHON_PACKAGE_DIR.startswith(PREFIX)
self.pythonPkgDir = strip_path_prefix(PYTHON_PACKAGE_DIR, PREFIX)
assert not os.path.isabs(self.pythonPkgDir)
assert self.in_prefix_install
self.in_prefix_install = True
def is_osx_hack(self):
return IS_OSX and not PYTHON_PACKAGE_DIR.startswith(PREFIX)
if self.in_prefix_install:
assert not os.path.isabs(self.pythonPkgDir)
def final_info(self):
if not PYTHON_PACKAGE_DIR.startswith(PREFIX):
print("Warning: The detected Python package directory (%s) is not "
"in the installation prefix (%s). This can lead to a broken "
"Python API installation. Use --pypkgdir= to change the "
"Python package directory." % (PYTHON_PACKAGE_DIR, PREFIX))
def main_component(self):
return False
@ -1376,7 +1380,7 @@ class PythonInstallComponent(Component):
MakeRuleCmd.make_install_directory(out, self.pythonPkgDir, in_prefix=self.in_prefix_install)
# Sym-link or copy libz3 into python package directory
if IS_WINDOWS or self.is_osx_hack():
if IS_WINDOWS or IS_OSX:
MakeRuleCmd.install_files(out,
self.libz3Component.dll_file(),
os.path.join(self.pythonPkgDir,
@ -1568,7 +1572,6 @@ class DotNetDLLComponent(Component):
def mk_win_dist(self, build_path, dist_path):
if is_dotnet_enabled():
# Assuming all .NET dlls should be in the distribution
mk_dir(os.path.join(dist_path, INSTALL_BIN_DIR))
shutil.copy('%s.dll' % os.path.join(build_path, self.dll_name),
'%s.dll' % os.path.join(dist_path, INSTALL_BIN_DIR, self.dll_name))
@ -1578,11 +1581,13 @@ class DotNetDLLComponent(Component):
shutil.copy('%s.pdb' % os.path.join(build_path, self.dll_name),
'%s.pdb' % os.path.join(dist_path, INSTALL_BIN_DIR, self.dll_name))
def mk_unix_dist(self, build_path, dist_path):
# Do nothing
return
if is_dotnet_enabled():
mk_dir(os.path.join(dist_path, INSTALL_BIN_DIR))
shutil.copy('%s.dll' % os.path.join(build_path, self.dll_name),
'%s.dll' % os.path.join(dist_path, INSTALL_BIN_DIR, self.dll_name))
shutil.copy('%s.xml' % os.path.join(build_path, self.dll_name),
'%s.xml' % os.path.join(dist_path, INSTALL_BIN_DIR, self.dll_name))
def mk_install_deps(self, out):
if not is_dotnet_enabled():
@ -2336,12 +2341,12 @@ def mk_makefile():
out.write(' %s' % c.name)
out.write('\n\t@echo Z3 was successfully built.\n')
out.write("\t@echo \"Z3Py scripts can already be executed in the \'%s\' directory.\"\n" % BUILD_DIR)
out.write("\t@echo \"Z3Py scripts stored in arbitrary directories can be also executed if \'%s\' directory is added to the PYTHONPATH environment variable.\"\n" % BUILD_DIR)
out.write("\t@echo \"Z3Py scripts stored in arbitrary directories can be executed if the \'%s\' directory is added to the PYTHONPATH environment variable.\"\n" % BUILD_DIR)
if not IS_WINDOWS:
out.write("\t@echo Use the following command to install Z3 at prefix $(PREFIX).\n")
out.write('\t@echo " sudo make install"\n\n')
out.write("\t@echo If you are doing a staged install you can use DESTDIR.\n")
out.write('\t@echo " make DESTDIR=/some/temp/directory install"\n')
# out.write("\t@echo If you are doing a staged install you can use DESTDIR.\n")
# out.write('\t@echo " make DESTDIR=/some/temp/directory install"\n')
# Generate :examples rule
out.write('examples:')
for c in get_components():
@ -2355,6 +2360,8 @@ def mk_makefile():
if not IS_WINDOWS:
mk_install(out)
mk_uninstall(out)
for c in get_components():
c.final_info()
out.close()
# Finalize
if VERBOSE:
@ -3298,15 +3305,18 @@ def mk_z3consts_ml(api_files):
def mk_gui_str(id):
return '4D2F40D8-E5F9-473B-B548-%012d' % id
def mk_vs_proj(name, components):
if not VS_PROJ:
return
proj_name = '%s.vcxproj' % os.path.join(BUILD_DIR, name)
modes=['Debug', 'Release']
PLATFORMS=['Win32']
f = open(proj_name, 'w')
f.write('<?xml version="1.0" encoding="utf-8"?>\n')
f.write('<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">\n')
def get_platform_toolset_str():
default = 'v110';
vstr = check_output(['msbuild', '/ver'])
lines = vstr.split('\n')
lline = lines[-1]
tokens = lline.split('.')
if len(tokens) < 2:
return default
else:
return 'v' + tokens[0] + tokens[1]
def mk_vs_proj_property_groups(f, name, target_ext, type):
f.write(' <ItemGroup Label="ProjectConfigurations">\n')
f.write(' <ProjectConfiguration Include="Debug|Win32">\n')
f.write(' <Configuration>Debug</Configuration>\n')
@ -3317,35 +3327,46 @@ def mk_vs_proj(name, components):
f.write(' <Platform>Win32</Platform>\n')
f.write(' </ProjectConfiguration>\n')
f.write(' </ItemGroup>\n')
f.write(' <PropertyGroup Label="Globals">\n')
f.write(' <PropertyGroup Label="Globals">\n')
f.write(' <ProjectGuid>{%s}</ProjectGuid>\n' % mk_gui_str(0))
f.write(' <ProjectName>%s</ProjectName>\n' % name)
f.write(' <Keyword>Win32Proj</Keyword>\n')
f.write(' <PlatformToolset>%s</PlatformToolset>\n' % get_platform_toolset_str())
f.write(' </PropertyGroup>\n')
f.write(' <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />\n')
f.write(' <PropertyGroup Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'" Label="Configuration">\n')
f.write(' <ConfigurationType>Application</ConfigurationType>\n')
f.write(' <ConfigurationType>%s</ConfigurationType>\n' % type)
f.write(' <CharacterSet>Unicode</CharacterSet>\n')
f.write(' <UseOfMfc>false</UseOfMfc>\n')
f.write(' </PropertyGroup>\n')
f.write(' <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />\n')
f.write(' <ImportGroup Label="ExtensionSettings">\n')
f.write(' </ImportGroup>\n')
f.write(' <ImportGroup Label="ExtensionSettings" />\n')
f.write(' <ImportGroup Label="PropertySheets">\n')
f.write(' <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists(\'$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props\')" Label="LocalAppDataPlatform" /> </ImportGroup>\n')
f.write(' <PropertyGroup Label="UserMacros" />\n')
f.write(' <PropertyGroup>\n')
f.write(' <OutDir Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">$(SolutionDir)$(Configuration)\</OutDir>\n')
f.write(' <OutDir Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">$(SolutionDir)\$(ProjectName)\$(Configuration)\</OutDir>\n')
f.write(' <TargetName Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">%s</TargetName>\n' % name)
f.write(' <TargetExt Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">.exe</TargetExt>\n')
f.write(' <OutDir Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">$(SolutionDir)$(Configuration)\</OutDir>\n')
f.write(' <TargetExt Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">.%s</TargetExt>\n' % target_ext)
f.write(' <OutDir Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">$(SolutionDir)\$(ProjectName)\$(Configuration)\</OutDir>\n')
f.write(' <TargetName Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">%s</TargetName>\n' % name)
f.write(' <TargetExt Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">.exe</TargetExt>\n')
f.write(' <TargetExt Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">.%s</TargetExt>\n' % target_ext)
f.write(' </PropertyGroup>\n')
f.write(' <ItemDefinitionGroup Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">\n')
f.write(' <PropertyGroup Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">\n')
f.write(' <IntDir>$(ProjectName)\$(Configuration)\</IntDir>\n')
f.write(' </PropertyGroup>\n')
f.write(' <PropertyGroup Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">\n')
f.write(' <IntDir>$(ProjectName)\$(Configuration)\</IntDir>\n')
f.write(' </PropertyGroup>\n')
def mk_vs_proj_cl_compile(f, name, components, debug):
f.write(' <ClCompile>\n')
f.write(' <Optimization>Disabled</Optimization>\n')
f.write(' <PreprocessorDefinitions>WIN32;_DEBUG;Z3DEBUG;_TRACE;_MP_INTERNAL;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>\n')
if debug:
f.write(' <PreprocessorDefinitions>WIN32;_DEBUG;Z3DEBUG;_TRACE;_MP_INTERNAL;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>\n')
else:
f.write(' <PreprocessorDefinitions>WIN32;_NDEBUG;_MP_INTERNAL;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>\n')
if VS_PAR:
f.write(' <MinimalRebuild>false</MinimalRebuild>\n')
f.write(' <MultiProcessorCompilation>true</MultiProcessorCompilation>\n')
@ -3353,8 +3374,14 @@ def mk_vs_proj(name, components):
f.write(' <MinimalRebuild>true</MinimalRebuild>\n')
f.write(' <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>\n')
f.write(' <WarningLevel>Level3</WarningLevel>\n')
f.write(' <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>\n')
f.write(' <OpenMPSupport>true</OpenMPSupport>\n')
if debug:
f.write(' <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>\n')
else:
f.write(' <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>\n')
if USE_OMP:
f.write(' <OpenMPSupport>true</OpenMPSupport>\n')
else:
f.write(' <OpenMPSupport>false</OpenMPSupport>\n')
f.write(' <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>\n')
f.write(' <AdditionalIncludeDirectories>')
deps = find_all_deps(name, components)
@ -3367,63 +3394,89 @@ def mk_vs_proj(name, components):
f.write(get_component(dep).to_src_dir)
f.write('</AdditionalIncludeDirectories>\n')
f.write(' </ClCompile>\n')
f.write(' <Link>\n')
f.write(' <OutputFile>$(OutDir)%s.exe</OutputFile>\n' % name)
f.write(' <GenerateDebugInformation>true</GenerateDebugInformation>\n')
f.write(' <SubSystem>Console</SubSystem>\n')
f.write(' <StackReserveSize>8388608</StackReserveSize>\n')
f.write(' <RandomizedBaseAddress>false</RandomizedBaseAddress>\n')
f.write(' <DataExecutionPrevention>\n')
f.write(' </DataExecutionPrevention>\n')
f.write(' <TargetMachine>MachineX86</TargetMachine>\n')
f.write(' <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>\n')
f.write('<AdditionalDependencies>psapi.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>\n')
f.write(' </Link>\n')
f.write(' </ItemDefinitionGroup>\n')
f.write(' <ItemDefinitionGroup Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">\n')
f.write(' <ClCompile>\n')
f.write(' <Optimization>Disabled</Optimization>\n')
f.write(' <PreprocessorDefinitions>WIN32;_NDEBUG;_MP_INTERNAL;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>\n')
if VS_PAR:
f.write(' <MinimalRebuild>false</MinimalRebuild>\n')
f.write(' <MultiProcessorCompilation>true</MultiProcessorCompilation>\n')
else:
f.write(' <MinimalRebuild>true</MinimalRebuild>\n')
f.write(' <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>\n')
f.write(' <WarningLevel>Level3</WarningLevel>\n')
f.write(' <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>\n')
f.write(' <OpenMPSupport>true</OpenMPSupport>\n')
f.write(' <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>\n')
f.write(' <AdditionalIncludeDirectories>')
deps = find_all_deps(name, components)
first = True
for dep in deps:
if first:
first = False
else:
f.write(';')
f.write(get_component(dep).to_src_dir)
f.write('</AdditionalIncludeDirectories>\n')
f.write(' </ClCompile>\n')
f.write(' <Link>\n')
f.write(' <OutputFile>$(OutDir)%s.exe</OutputFile>\n' % name)
f.write(' <GenerateDebugInformation>true</GenerateDebugInformation>\n')
f.write(' <SubSystem>Console</SubSystem>\n')
f.write(' <StackReserveSize>8388608</StackReserveSize>\n')
f.write(' <RandomizedBaseAddress>false</RandomizedBaseAddress>\n')
f.write(' <DataExecutionPrevention>\n')
f.write(' </DataExecutionPrevention>\n')
f.write(' <TargetMachine>MachineX86</TargetMachine>\n')
f.write(' <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>\n')
f.write('<AdditionalDependencies>psapi.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>\n')
f.write(' </Link>\n')
f.write(' </ItemDefinitionGroup>\n')
def mk_vs_proj_dep_groups(f, name, components):
f.write(' <ItemGroup>\n')
deps = find_all_deps(name, components)
for dep in deps:
dep = get_component(dep)
for cpp in filter(lambda f: f.endswith('.cpp'), os.listdir(dep.src_dir)):
f.write(' <ClCompile Include="%s" />\n' % os.path.join(dep.to_src_dir, cpp))
f.write(' </ItemGroup>\n')
def mk_vs_proj_link_exe(f, name, debug):
f.write(' <Link>\n')
f.write(' <OutputFile>$(OutDir)%s.exe</OutputFile>\n' % name)
f.write(' <GenerateDebugInformation>true</GenerateDebugInformation>\n')
f.write(' <SubSystem>Console</SubSystem>\n')
f.write(' <StackReserveSize>8388608</StackReserveSize>\n')
f.write(' <RandomizedBaseAddress>false</RandomizedBaseAddress>\n')
f.write(' <DataExecutionPrevention/>\n')
f.write(' <TargetMachine>MachineX86</TargetMachine>\n')
f.write(' <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>\n')
f.write(' <AdditionalDependencies>psapi.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>\n')
f.write(' </Link>\n')
def mk_vs_proj(name, components):
if not VS_PROJ:
return
proj_name = '%s.vcxproj' % os.path.join(BUILD_DIR, name)
modes=['Debug', 'Release']
PLATFORMS=['Win32']
f = open(proj_name, 'w')
f.write('<?xml version="1.0" encoding="utf-8"?>\n')
f.write('<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">\n')
mk_vs_proj_property_groups(f, name, 'exe', 'Application')
f.write(' <ItemDefinitionGroup Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">\n')
mk_vs_proj_cl_compile(f, name, components, debug=True)
mk_vs_proj_link_exe(f, name, debug=True)
f.write(' </ItemDefinitionGroup>\n')
f.write(' <ItemDefinitionGroup Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">\n')
mk_vs_proj_cl_compile(f, name, components, debug=False)
mk_vs_proj_link_exe(f, name, debug=False)
f.write(' </ItemDefinitionGroup>\n')
mk_vs_proj_dep_groups(f, name, components)
f.write(' <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />\n')
f.write(' <ImportGroup Label="ExtensionTargets">\n')
f.write(' </ImportGroup>\n')
f.write('</Project>\n')
f.close()
if is_verbose():
print("Generated '%s'" % proj_name)
def mk_vs_proj_link_dll(f, name, debug):
f.write(' <Link>\n')
f.write(' <OutputFile>$(OutDir)%s.dll</OutputFile>\n' % name)
f.write(' <GenerateDebugInformation>true</GenerateDebugInformation>\n')
f.write(' <SubSystem>Console</SubSystem>\n')
f.write(' <StackReserveSize>8388608</StackReserveSize>\n')
f.write(' <RandomizedBaseAddress>false</RandomizedBaseAddress>\n')
f.write(' <DataExecutionPrevention/>\n')
f.write(' <TargetMachine>MachineX86</TargetMachine>\n')
f.write(' <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>\n')
f.write(' <AdditionalDependencies>psapi.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>\n')
f.write(' <ModuleDefinitionFile>%s</ModuleDefinitionFile>' % os.path.join(get_component('api_dll').to_src_dir, 'api_dll.def'))
f.write(' </Link>\n')
def mk_vs_proj_dll(name, components):
if not VS_PROJ:
return
proj_name = '%s.vcxproj' % os.path.join(BUILD_DIR, name)
modes=['Debug', 'Release']
PLATFORMS=['Win32']
f = open(proj_name, 'w')
f.write('<?xml version="1.0" encoding="utf-8"?>\n')
f.write('<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">\n')
mk_vs_proj_property_groups(f, name, 'dll', 'DynamicLibrary')
f.write(' <ItemDefinitionGroup Condition="\'$(Configuration)|$(Platform)\'==\'Debug|Win32\'">\n')
mk_vs_proj_cl_compile(f, name, components, debug=True)
mk_vs_proj_link_dll(f, name, debug=True)
f.write(' </ItemDefinitionGroup>\n')
f.write(' <ItemDefinitionGroup Condition="\'$(Configuration)|$(Platform)\'==\'Release|Win32\'">\n')
mk_vs_proj_cl_compile(f, name, components, debug=False)
mk_vs_proj_link_dll(f, name, debug=False)
f.write(' </ItemDefinitionGroup>\n')
mk_vs_proj_dep_groups(f, name, components)
f.write(' <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />\n')
f.write(' <ImportGroup Label="ExtensionTargets">\n')
f.write(' </ImportGroup>\n')
@ -3470,22 +3523,17 @@ class MakeRuleCmd(object):
@classmethod
def _install_root(cls, path, in_prefix, out, is_install=True):
if in_prefix:
assert not os.path.isabs(path)
install_root = cls.install_root()
else:
# This hack only exists for the Python bindings on OSX
# which are sometimes not installed inside the prefix.
# In all other cases installing outside the prefix is
# misleading and dangerous!
assert IS_OSX
assert os.path.isabs(path)
if not in_prefix:
# The Python bindings on OSX are sometimes not installed inside the prefix.
install_root = "$(DESTDIR)"
action_string = 'install' if is_install else 'uninstall'
cls.write_cmd(out, 'echo "WARNING: {}ing files/directories ({}) that are not in the install prefix ($(PREFIX))."'.format(
action_string, path))
print("WARNING: Generating makefile rule that {}s {} '{}' which is outside the installation prefix '{}'.".format(
action_string, 'to' if is_install else 'from', path, PREFIX))
action_string, path))
#print("WARNING: Generating makefile rule that {}s {} '{}' which is outside the installation prefix '{}'.".format(
# action_string, 'to' if is_install else 'from', path, PREFIX))
else:
assert not os.path.isabs(path)
install_root = cls.install_root()
return install_root
@classmethod
@ -3605,14 +3653,15 @@ class MakeRuleCmd(object):
out.write("\t@{}\n".format(line))
def strip_path_prefix(path, prefix):
assert path.startswith(prefix)
stripped_path = path[len(prefix):]
stripped_path.replace('//','/')
if stripped_path[0] == '/':
stripped_path = stripped_path[1:]
assert not os.path.isabs(stripped_path)
return stripped_path
if path.startswith(prefix):
stripped_path = path[len(prefix):]
stripped_path.replace('//','/')
if stripped_path[0] == '/':
stripped_path = stripped_path[1:]
assert not os.path.isabs(stripped_path)
return stripped_path
else:
return path
def configure_file(template_file_path, output_file_path, substitutions):
"""

2
scripts/update_api.py
View file

@ -1079,7 +1079,7 @@ def def_API(name, result, params):
def mk_bindings():
exe_c.write("void register_z3_replayer_cmds(z3_replayer & in) {\n")
for key, val in API2Id.items():
exe_c.write(" in.register_cmd(%s, exec_%s);\n" % (key, val))
exe_c.write(" in.register_cmd(%s, exec_%s, \"%s\");\n" % (key, val, val))
exe_c.write("}\n")
def ml_method_name(name):

86
scripts/update_header_guards.py
View file

@ -17,55 +17,55 @@ def fix_hdr(file):
line = ins.readline()
found = False
while line:
m = doubleu.search(line)
if m:
ous.write("#")
ous.write(m.group(1))
ous.write(" ")
ous.write(m.group(2))
ous.write("_H_\n")
line = ins.readline()
found = True
continue
m = ifndef.search(line)
if m:
print(m.group(1))
ous.write("#ifndef ")
ous.write(m.group(1))
ous.write("_H_\n")
line = ins.readline()
found = True
continue
m = defn.search(line)
if m:
ous.write("#define ")
ous.write(m.group(1))
ous.write("_H_\n")
line = ins.readline()
found = True
continue
m = endif.search(line)
if m:
ous.write("#endif /* ")
ous.write(m.group(1))
ous.write("_H_ */\n")
line = ins.readline()
found = True
continue
ous.write(line)
line = ins.readline()
m = doubleu.search(line)
if m:
ous.write("#")
ous.write(m.group(1))
ous.write(" ")
ous.write(m.group(2))
ous.write("_H_\n")
line = ins.readline()
found = True
continue
m = ifndef.search(line)
if m:
print(m.group(1))
ous.write("#ifndef ")
ous.write(m.group(1))
ous.write("_H_\n")
line = ins.readline()
found = True
continue
m = defn.search(line)
if m:
ous.write("#define ")
ous.write(m.group(1))
ous.write("_H_\n")
line = ins.readline()
found = True
continue
m = endif.search(line)
if m:
ous.write("#endif /* ")
ous.write(m.group(1))
ous.write("_H_ */\n")
line = ins.readline()
found = True
continue
ous.write(line)
line = ins.readline()
ins.close()
ous.close()
if found:
os.system("move %s %s" % (tmp, file))
os.system("move %s %s" % (tmp, file))
else:
os.system("del %s" % tmp)
os.system("del %s" % tmp)
def fixup(dir):
for root, dirs, files in os.walk(dir):
for f in files:
if f.endswith('.h'):
path = "%s\\%s" % (root, f)
fix_hdr(path)
for f in files:
if f.endswith('.h'):
path = "%s\\%s" % (root, f)
fix_hdr(path)
fixup('src')

34
src/api/api_ast.cpp
View file

@ -641,6 +641,12 @@ extern "C" {
else if (fid == mk_c(c)->get_fpa_fid() && k == ROUNDING_MODE_SORT) {
return Z3_ROUNDING_MODE_SORT;
}
else if (fid == mk_c(c)->get_seq_fid() && k == SEQ_SORT) {
return Z3_SEQ_SORT;
}
else if (fid == mk_c(c)->get_seq_fid() && k == RE_SORT) {
return Z3_RE_SORT;
}
else {
return Z3_UNKNOWN_SORT;
}
@ -776,6 +782,8 @@ extern "C" {
SET_ERROR_CODE(Z3_SORT_ERROR);
RETURN_Z3(of_expr(0));
}
SASSERT(from[i]->get_ref_count() > 0);
SASSERT(to[i]->get_ref_count() > 0);
}
expr_safe_replace subst(m);
for (unsigned i = 0; i < num_exprs; i++) {
@ -1106,6 +1114,32 @@ extern "C" {
}
}
if (mk_c(c)->get_seq_fid() == _d->get_family_id()) {
switch (_d->get_decl_kind()) {
case Z3_OP_SEQ_UNIT: return Z3_OP_SEQ_UNIT;
case Z3_OP_SEQ_EMPTY: return Z3_OP_SEQ_EMPTY;
case Z3_OP_SEQ_CONCAT: return Z3_OP_SEQ_CONCAT;
case Z3_OP_SEQ_PREFIX: return Z3_OP_SEQ_PREFIX;
case Z3_OP_SEQ_SUFFIX: return Z3_OP_SEQ_SUFFIX;
case Z3_OP_SEQ_CONTAINS: return Z3_OP_SEQ_CONTAINS;
case Z3_OP_SEQ_EXTRACT: return Z3_OP_SEQ_EXTRACT;
case Z3_OP_SEQ_REPLACE: return Z3_OP_SEQ_REPLACE;
case Z3_OP_SEQ_AT: return Z3_OP_SEQ_AT;
case Z3_OP_SEQ_LENGTH: return Z3_OP_SEQ_LENGTH;
case Z3_OP_SEQ_INDEX: return Z3_OP_SEQ_INDEX;
case Z3_OP_SEQ_TO_RE: return Z3_OP_SEQ_TO_RE;
case Z3_OP_SEQ_IN_RE: return Z3_OP_SEQ_IN_RE;
case Z3_OP_RE_PLUS: return Z3_OP_RE_PLUS;
case Z3_OP_RE_STAR: return Z3_OP_RE_STAR;
case Z3_OP_RE_OPTION: return Z3_OP_RE_OPTION;
case Z3_OP_RE_CONCAT: return Z3_OP_RE_CONCAT;
case Z3_OP_RE_UNION: return Z3_OP_RE_UNION;
default:
return Z3_OP_UNINTERPRETED;
}
}
if (mk_c(c)->get_fpa_fid() == _d->get_family_id()) {
switch (_d->get_decl_kind()) {
case OP_FPA_RM_NEAREST_TIES_TO_EVEN: return Z3_OP_FPA_RM_NEAREST_TIES_TO_EVEN;

2
src/api/api_context.cpp
View file

@ -73,6 +73,7 @@ namespace api {
m_datalog_util(m()),
m_fpa_util(m()),
m_dtutil(m()),
m_sutil(m()),
m_last_result(m()),
m_ast_trail(m()),
m_replay_stack(),
@ -97,6 +98,7 @@ namespace api {
m_dt_fid = m().mk_family_id("datatype");
m_datalog_fid = m().mk_family_id("datalog_relation");
m_fpa_fid = m().mk_family_id("fpa");
m_seq_fid = m().mk_family_id("seq");
m_dt_plugin = static_cast<datatype_decl_plugin*>(m().get_plugin(m_dt_fid));
if (!m_user_ref_count) {

5
src/api/api_context.h
View file

@ -25,6 +25,7 @@ Revision History:
#include"api_util.h"
#include"arith_decl_plugin.h"
#include"bv_decl_plugin.h"
#include"seq_decl_plugin.h"
#include"datatype_decl_plugin.h"
#include"dl_decl_plugin.h"
#include"fpa_decl_plugin.h"
@ -58,6 +59,7 @@ namespace api {
datalog::dl_decl_util m_datalog_util;
fpa_util m_fpa_util;
datatype_util m_dtutil;
seq_util m_sutil;
// Support for old solver API
smt_params m_fparams;
@ -78,6 +80,7 @@ namespace api {
family_id m_datalog_fid;
family_id m_pb_fid;
family_id m_fpa_fid;
family_id m_seq_fid;
datatype_decl_plugin * m_dt_plugin;
std::string m_string_buffer; // temporary buffer used to cache strings sent to the "external" world.
@ -121,6 +124,7 @@ namespace api {
datalog::dl_decl_util & datalog_util() { return m_datalog_util; }
fpa_util & fpautil() { return m_fpa_util; }
datatype_util& dtutil() { return m_dtutil; }
seq_util& sutil() { return m_sutil; }
family_id get_basic_fid() const { return m_basic_fid; }
family_id get_array_fid() const { return m_array_fid; }
family_id get_arith_fid() const { return m_arith_fid; }
@ -129,6 +133,7 @@ namespace api {
family_id get_datalog_fid() const { return m_datalog_fid; }
family_id get_pb_fid() const { return m_pb_fid; }
family_id get_fpa_fid() const { return m_fpa_fid; }
family_id get_seq_fid() const { return m_seq_fid; }
datatype_decl_plugin * get_dt_plugin() const { return m_dt_plugin; }
Z3_error_code get_error_code() const { return m_error_code; }

89
src/api/api_fpa.cpp
View file

@ -268,14 +268,14 @@ extern "C" {
Z3_ast Z3_API Z3_mk_fpa_fp(Z3_context c, Z3_ast sgn, Z3_ast exp, Z3_ast sig) {
Z3_TRY;
LOG_Z3_mk_fpa_fp(c, sgn, sig, exp);
LOG_Z3_mk_fpa_fp(c, sgn, exp, sig);
RESET_ERROR_CODE();
if (!is_bv(c, sgn) || !is_bv(c, exp) || !is_bv(c, sig)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
api::context * ctx = mk_c(c);
expr * a = ctx->fpautil().mk_fp(to_expr(sgn), to_expr(sig), to_expr(exp));
expr * a = ctx->fpautil().mk_fp(to_expr(sgn), to_expr(exp), to_expr(sig));
ctx->save_ast_trail(a);
RETURN_Z3(of_expr(a));
Z3_CATCH_RETURN(0);
@ -351,7 +351,7 @@ extern "C" {
ctx->fpautil().fm().set(tmp,
ctx->fpautil().get_ebits(to_sort(ty)),
ctx->fpautil().get_sbits(to_sort(ty)),
sgn != 0, sig, exp);
sgn != 0, exp, sig);
expr * a = ctx->fpautil().mk_value(tmp);
ctx->save_ast_trail(a);
RETURN_Z3(of_expr(a));
@ -371,7 +371,7 @@ extern "C" {
ctx->fpautil().fm().set(tmp,
ctx->fpautil().get_ebits(to_sort(ty)),
ctx->fpautil().get_sbits(to_sort(ty)),
sgn != 0, sig, exp);
sgn != 0, exp, sig);
expr * a = ctx->fpautil().mk_value(tmp);
ctx->save_ast_trail(a);
RETURN_Z3(of_expr(a));
@ -931,15 +931,23 @@ extern "C" {
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
unsynch_mpz_manager & mpzm = mpfm.mpz_manager();
unsynch_mpq_manager & mpqm = mpfm.mpq_manager();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
if (!plugin->is_numeral(to_expr(t), val)) {
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(fid);
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return "";
}
else if (!mpfm.is_regular(val)) {
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
if (!r || !mpfm.is_regular(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG)
return "";
return "";
}
unsigned sbits = val.get().get_sbits();
scoped_mpq q(mpqm);
@ -960,16 +968,25 @@ extern "C" {
ast_manager & m = mk_c(c)->m();
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
unsynch_mpz_manager & mpzm = mpfm.mpz_manager();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
bool r = plugin->is_numeral(to_expr(t), val);
if (!r) {
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(fid);
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
const mpz & z = mpfm.sig(val);
if (!mpzm.is_uint64(z)) {
if (!r || mpfm.is_regular(val)|| !mpzm.is_uint64(z)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
*n = mpzm.get_uint64(z);
@ -983,16 +1000,23 @@ extern "C" {
RESET_ERROR_CODE();
ast_manager & m = mk_c(c)->m();
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
bool r = plugin->is_numeral(to_expr(t), val);
if (!r) {
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return "";
}
else if (!mpfm.is_normal(val) && !mpfm.is_denormal(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG)
return "";
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
if (!r || !mpfm.is_regular(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return "";
}
mpf_exp_t exp = mpfm.exp_normalized(val);
std::stringstream ss;
@ -1007,11 +1031,24 @@ extern "C" {
RESET_ERROR_CODE();
ast_manager & m = mk_c(c)->m();
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
bool r = plugin->is_numeral(to_expr(t), val);
if (!r) {
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
if (!r || !mpfm.is_regular(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
*n = mpfm.exp(val);
@ -1035,18 +1072,18 @@ extern "C" {
Z3_ast Z3_API Z3_mk_fpa_to_fp_int_real(Z3_context c, Z3_ast rm, Z3_ast exp, Z3_ast sig, Z3_sort s) {
Z3_TRY;
LOG_Z3_mk_fpa_to_fp_int_real(c, rm, sig, exp, s);
LOG_Z3_mk_fpa_to_fp_int_real(c, rm, exp, sig, s);
RESET_ERROR_CODE();
api::context * ctx = mk_c(c);
fpa_util & fu = ctx->fpautil();
if (!fu.is_rm(to_expr(rm)) ||
!ctx->autil().is_real(to_expr(sig)) ||
!ctx->autil().is_int(to_expr(exp)) ||
!ctx->autil().is_real(to_expr(sig)) ||
!fu.is_float(to_sort(s))) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return 0;
}
expr * a = fu.mk_to_fp(to_sort(s), to_expr(rm), to_expr(sig), to_expr(exp));
expr * a = fu.mk_to_fp(to_sort(s), to_expr(rm), to_expr(exp), to_expr(sig));
ctx->save_ast_trail(a);
RETURN_Z3(of_expr(a));
Z3_CATCH_RETURN(0);

4
src/api/api_model.cpp
View file

@ -277,7 +277,9 @@ extern "C" {
RESET_ERROR_CODE();
CHECK_NON_NULL(f, 0);
expr * e = to_func_interp_ref(f)->get_else();
mk_c(c)->save_ast_trail(e);
if (e) {
mk_c(c)->save_ast_trail(e);
}
RETURN_Z3(of_expr(e));
Z3_CATCH_RETURN(0);
}

151
src/api/api_seq.cpp Normal file
View file

@ -0,0 +1,151 @@
/*++
Copyright (c) 2016 Microsoft Corporation
Module Name:
api_seq.cpp
Abstract:
API for sequences and regular expressions.
Author:
Nikolaj Bjorner (nbjorner) 2016-01-02.
Revision History:
--*/
#include<iostream>
#include"z3.h"
#include"api_log_macros.h"
#include"api_context.h"
#include"api_util.h"
#include"ast_pp.h"
extern "C" {
Z3_sort Z3_API Z3_mk_seq_sort(Z3_context c, Z3_sort domain) {
Z3_TRY;
LOG_Z3_mk_seq_sort(c, domain);
RESET_ERROR_CODE();
sort * ty = mk_c(c)->sutil().str.mk_seq(to_sort(domain));
mk_c(c)->save_ast_trail(ty);
RETURN_Z3(of_sort(ty));
Z3_CATCH_RETURN(0);
}
Z3_sort Z3_API Z3_mk_re_sort(Z3_context c, Z3_sort domain) {
Z3_TRY;
LOG_Z3_mk_re_sort(c, domain);
RESET_ERROR_CODE();
sort * ty = mk_c(c)->sutil().re.mk_re(to_sort(domain));
mk_c(c)->save_ast_trail(ty);
RETURN_Z3(of_sort(ty));
Z3_CATCH_RETURN(0);
}
Z3_ast Z3_API Z3_mk_string(Z3_context c, Z3_string str) {
Z3_TRY;
LOG_Z3_mk_string(c, str);
RESET_ERROR_CODE();
zstring s(str, zstring::ascii);
app* a = mk_c(c)->sutil().str.mk_string(s);
mk_c(c)->save_ast_trail(a);
RETURN_Z3(of_ast(a));
Z3_CATCH_RETURN(0);
}
Z3_sort Z3_API Z3_mk_string_sort(Z3_context c) {
Z3_TRY;
LOG_Z3_mk_string_sort(c);
RESET_ERROR_CODE();
sort* ty = mk_c(c)->sutil().str.mk_string_sort();
mk_c(c)->save_ast_trail(ty);
RETURN_Z3(of_sort(ty));
Z3_CATCH_RETURN(0);
}
Z3_bool Z3_API Z3_is_seq_sort(Z3_context c, Z3_sort s) {
Z3_TRY;
LOG_Z3_is_seq_sort(c, s);
RESET_ERROR_CODE();
bool result = mk_c(c)->sutil().is_seq(to_sort(s));
return result?Z3_TRUE:Z3_FALSE;
Z3_CATCH_RETURN(Z3_FALSE);
}
Z3_bool Z3_API Z3_is_re_sort(Z3_context c, Z3_sort s) {
Z3_TRY;
LOG_Z3_is_re_sort(c, s);
RESET_ERROR_CODE();
bool result = mk_c(c)->sutil().is_re(to_sort(s));
return result?Z3_TRUE:Z3_FALSE;
Z3_CATCH_RETURN(Z3_FALSE);
}
Z3_bool Z3_API Z3_is_string_sort(Z3_context c, Z3_sort s) {
Z3_TRY;
LOG_Z3_is_string_sort(c, s);
RESET_ERROR_CODE();
bool result = mk_c(c)->sutil().is_string(to_sort(s));
return result?Z3_TRUE:Z3_FALSE;
Z3_CATCH_RETURN(Z3_FALSE);
}
Z3_bool Z3_API Z3_is_string(Z3_context c, Z3_ast s) {
Z3_TRY;
LOG_Z3_is_string(c, s);
RESET_ERROR_CODE();
bool result = mk_c(c)->sutil().str.is_string(to_expr(s));
return result?Z3_TRUE:Z3_FALSE;
Z3_CATCH_RETURN(Z3_FALSE);
}
Z3_string Z3_API Z3_get_string(Z3_context c, Z3_ast s) {
Z3_TRY;
LOG_Z3_get_string(c, s);
RESET_ERROR_CODE();
zstring str;
if (!mk_c(c)->sutil().str.is_string(to_expr(s), str)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return "";
}
std::string result = str.encode();
return mk_c(c)->mk_external_string(result);
Z3_CATCH_RETURN("");
}
Z3_ast Z3_API Z3_mk_seq_empty(Z3_context c, Z3_sort seq) {
Z3_TRY;
LOG_Z3_mk_seq_empty(c, seq);
RESET_ERROR_CODE();
app* a = mk_c(c)->sutil().str.mk_empty(to_sort(seq));
mk_c(c)->save_ast_trail(a);
RETURN_Z3(of_ast(a));
Z3_CATCH_RETURN(0);
}
MK_UNARY(Z3_mk_seq_unit, mk_c(c)->get_seq_fid(), OP_SEQ_UNIT, SKIP);
MK_NARY(Z3_mk_seq_concat, mk_c(c)->get_seq_fid(), OP_SEQ_CONCAT, SKIP);
MK_BINARY(Z3_mk_seq_prefix, mk_c(c)->get_seq_fid(), OP_SEQ_PREFIX, SKIP);
MK_BINARY(Z3_mk_seq_suffix, mk_c(c)->get_seq_fid(), OP_SEQ_SUFFIX, SKIP);
MK_BINARY(Z3_mk_seq_contains, mk_c(c)->get_seq_fid(), OP_SEQ_CONTAINS, SKIP);
MK_TERNARY(Z3_mk_seq_extract, mk_c(c)->get_seq_fid(), OP_SEQ_EXTRACT, SKIP);
MK_TERNARY(Z3_mk_seq_replace, mk_c(c)->get_seq_fid(), OP_SEQ_REPLACE, SKIP);
MK_BINARY(Z3_mk_seq_at, mk_c(c)->get_seq_fid(), OP_SEQ_AT, SKIP);
MK_UNARY(Z3_mk_seq_length, mk_c(c)->get_seq_fid(), OP_SEQ_LENGTH, SKIP);
MK_TERNARY(Z3_mk_seq_index, mk_c(c)->get_seq_fid(), OP_SEQ_INDEX, SKIP);
MK_UNARY(Z3_mk_seq_to_re, mk_c(c)->get_seq_fid(), OP_SEQ_TO_RE, SKIP);
MK_BINARY(Z3_mk_seq_in_re, mk_c(c)->get_seq_fid(), OP_SEQ_IN_RE, SKIP);
MK_UNARY(Z3_mk_re_plus, mk_c(c)->get_seq_fid(), OP_RE_PLUS, SKIP);
MK_UNARY(Z3_mk_re_star, mk_c(c)->get_seq_fid(), OP_RE_STAR, SKIP);
MK_UNARY(Z3_mk_re_option, mk_c(c)->get_seq_fid(), OP_RE_OPTION, SKIP);
MK_NARY(Z3_mk_re_union, mk_c(c)->get_seq_fid(), OP_RE_UNION, SKIP);
MK_NARY(Z3_mk_re_concat, mk_c(c)->get_seq_fid(), OP_RE_CONCAT, SKIP);
};

17
src/api/api_util.h
View file

@ -135,6 +135,23 @@ Z3_ast Z3_API NAME(Z3_context c, Z3_ast n1, Z3_ast n2) { \
MK_BINARY_BODY(NAME, FID, OP, EXTRA_CODE); \
}
#define MK_TERNARY_BODY(NAME, FID, OP, EXTRA_CODE) \
Z3_TRY; \
RESET_ERROR_CODE(); \
EXTRA_CODE; \
expr * args[3] = { to_expr(n1), to_expr(n2), to_expr(n3) }; \
ast* a = mk_c(c)->m().mk_app(FID, OP, 0, 0, 3, args); \
mk_c(c)->save_ast_trail(a); \
check_sorts(c, a); \
RETURN_Z3(of_ast(a)); \
Z3_CATCH_RETURN(0);
#define MK_TERNARY(NAME, FID, OP, EXTRA_CODE) \
Z3_ast Z3_API NAME(Z3_context c, Z3_ast n1, Z3_ast n2, Z3_ast n3) { \
LOG_ ## NAME(c, n1, n2, n3); \
MK_TERNARY_BODY(NAME, FID, OP, EXTRA_CODE); \
}
#define MK_NARY(NAME, FID, OP, EXTRA_CODE) \
Z3_ast Z3_API NAME(Z3_context c, unsigned num_args, Z3_ast const* args) { \
Z3_TRY; \

184
src/api/c++/z3++.h
View file

@ -205,6 +205,18 @@ namespace z3 {
\brief Return the Bit-vector sort of size \c sz. That is, the sort for bit-vectors of size \c sz.
*/
sort bv_sort(unsigned sz);
/**
\brief Return the sort for ASCII strings.
*/
sort string_sort();
/**
\brief Return a sequence sort over base sort \c s.
*/
sort seq_sort(sort& s);
/**
\brief Return a regular expression sort over sequences \c seq_sort.
*/
sort re_sort(sort& seq_sort);
/**
\brief Return an array sort for arrays from \c d to \c r.
@ -261,6 +273,9 @@ namespace z3 {
expr bv_val(__uint64 n, unsigned sz);
expr bv_val(char const * n, unsigned sz);
expr string_val(char const* s);
expr string_val(std::string const& s);
expr num_val(int n, sort const & s);
/**
@ -425,6 +440,14 @@ namespace z3 {
\brief Return true if this sort is a Relation sort.
*/
bool is_relation() const { return sort_kind() == Z3_RELATION_SORT; }
/**
\brief Return true if this sort is a Sequence sort.
*/
bool is_seq() const { return sort_kind() == Z3_SEQ_SORT; }
/**
\brief Return true if this sort is a regular expression sort.
*/
bool is_re() const { return sort_kind() == Z3_RE_SORT; }
/**
\brief Return true if this sort is a Finite domain sort.
*/
@ -532,6 +555,15 @@ namespace z3 {
\brief Return true if this is a Relation expression.
*/
bool is_relation() const { return get_sort().is_relation(); }
/**
\brief Return true if this is a sequence expression.
*/
bool is_seq() const { return get_sort().is_seq(); }
/**
\brief Return true if this is a regular expression.
*/
bool is_re() const { return get_sort().is_re(); }
/**
\brief Return true if this is a Finite-domain expression.
@ -663,6 +695,7 @@ namespace z3 {
friend expr distinct(expr_vector const& args);
friend expr concat(expr const& a, expr const& b);
friend expr concat(expr_vector const& args);
friend expr operator==(expr const & a, expr const & b);
friend expr operator==(expr const & a, int b);
@ -728,10 +761,50 @@ namespace z3 {
friend expr operator|(int a, expr const & b);
friend expr operator~(expr const & a);
expr extract(unsigned hi, unsigned lo) const { Z3_ast r = Z3_mk_extract(ctx(), hi, lo, *this); return expr(ctx(), r); }
expr extract(unsigned hi, unsigned lo) const { Z3_ast r = Z3_mk_extract(ctx(), hi, lo, *this); ctx().check_error(); return expr(ctx(), r); }
unsigned lo() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 1)); }
unsigned hi() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 0)); }
/**
\brief sequence and regular expression operations.
+ is overloaeded as sequence concatenation and regular expression union.
concat is overloaded to handle sequences and regular expressions
*/
expr extract(expr const& offset, expr const& length) const {
check_context(*this, offset); check_context(offset, length);
Z3_ast r = Z3_mk_seq_extract(ctx(), *this, offset, length); check_error(); return expr(ctx(), r);
}
expr replace(expr const& src, expr const& dst) const {
check_context(*this, src); check_context(src, dst);
Z3_ast r = Z3_mk_seq_replace(ctx(), *this, src, dst);
check_error();
return expr(ctx(), r);
}
expr unit() const {
Z3_ast r = Z3_mk_seq_unit(ctx(), *this);
check_error();
return expr(ctx(), r);
}
expr contains(expr const& s) {
check_context(*this, s);
Z3_ast r = Z3_mk_seq_contains(ctx(), *this, s);
check_error();
return expr(ctx(), r);
}
expr at(expr const& index) const {
check_context(*this, index);
Z3_ast r = Z3_mk_seq_at(ctx(), *this, index);
check_error();
return expr(ctx(), r);
}
expr length() const {
Z3_ast r = Z3_mk_seq_length(ctx(), *this);
check_error();
return expr(ctx(), r);
}
/**
\brief Return a simplified version of this expression.
*/
@ -835,6 +908,13 @@ namespace z3 {
else if (a.is_bv() && b.is_bv()) {
r = Z3_mk_bvadd(a.ctx(), a, b);
}
else if (a.is_seq() && b.is_seq()) {
return concat(a, b);
}
else if (a.is_re() && b.is_re()) {
Z3_ast _args[2] = { a, b };
r = Z3_mk_re_union(a.ctx(), 2, _args);
}
else {
// operator is not supported by given arguments.
assert(false);
@ -1219,11 +1299,48 @@ namespace z3 {
inline expr concat(expr const& a, expr const& b) {
check_context(a, b);
Z3_ast r = Z3_mk_concat(a.ctx(), a, b);
Z3_ast r;
if (Z3_is_seq_sort(a.ctx(), a.get_sort())) {
Z3_ast _args[2] = { a, b };
r = Z3_mk_seq_concat(a.ctx(), 2, _args);
}
else if (Z3_is_re_sort(a.ctx(), a.get_sort())) {
Z3_ast _args[2] = { a, b };
r = Z3_mk_re_concat(a.ctx(), 2, _args);
}
else {
r = Z3_mk_concat(a.ctx(), a, b);
}
a.ctx().check_error();
return expr(a.ctx(), r);
}
inline expr concat(expr_vector const& args) {
Z3_ast r;
assert(args.size() > 0);
if (args.size() == 1) {
return args[0];
}
context& ctx = args[0].ctx();
array<Z3_ast> _args(args);
if (Z3_is_seq_sort(ctx, args[0].get_sort())) {
r = Z3_mk_seq_concat(ctx, _args.size(), _args.ptr());
}
else if (Z3_is_re_sort(ctx, args[0].get_sort())) {
r = Z3_mk_re_concat(ctx, _args.size(), _args.ptr());
}
else {
r = _args[args.size()-1];
for (unsigned i = args.size()-1; i > 0; ) {
--i;
r = Z3_mk_concat(ctx, _args[i], r);
ctx.check_error();
}
}
ctx.check_error();
return expr(ctx, r);
}
class func_entry : public object {
Z3_func_entry m_entry;
void init(Z3_func_entry e) {
@ -1762,6 +1879,10 @@ namespace z3 {
inline sort context::int_sort() { Z3_sort s = Z3_mk_int_sort(m_ctx); check_error(); return sort(*this, s); }
inline sort context::real_sort() { Z3_sort s = Z3_mk_real_sort(m_ctx); check_error(); return sort(*this, s); }
inline sort context::bv_sort(unsigned sz) { Z3_sort s = Z3_mk_bv_sort(m_ctx, sz); check_error(); return sort(*this, s); }
inline sort context::string_sort() { Z3_sort s = Z3_mk_string_sort(m_ctx); check_error(); return sort(*this, s); }
inline sort context::seq_sort(sort& s) { Z3_sort r = Z3_mk_seq_sort(m_ctx, s); check_error(); return sort(*this, r); }
inline sort context::re_sort(sort& s) { Z3_sort r = Z3_mk_re_sort(m_ctx, s); check_error(); return sort(*this, r); }
inline sort context::array_sort(sort d, sort r) { Z3_sort s = Z3_mk_array_sort(m_ctx, d, r); check_error(); return sort(*this, s); }
inline sort context::enumeration_sort(char const * name, unsigned n, char const * const * enum_names, func_decl_vector & cs, func_decl_vector & ts) {
array<Z3_symbol> _enum_names(n);
@ -1885,6 +2006,9 @@ namespace z3 {
inline expr context::bv_val(__uint64 n, unsigned sz) { Z3_ast r = Z3_mk_unsigned_int64(m_ctx, n, bv_sort(sz)); check_error(); return expr(*this, r); }
inline expr context::bv_val(char const * n, unsigned sz) { Z3_ast r = Z3_mk_numeral(m_ctx, n, bv_sort(sz)); check_error(); return expr(*this, r); }
inline expr context::string_val(char const* s) { Z3_ast r = Z3_mk_string(m_ctx, s); check_error(); return expr(*this, r); }
inline expr context::string_val(std::string const& s) { Z3_ast r = Z3_mk_string(m_ctx, s.c_str()); check_error(); return expr(*this, r); }
inline expr context::num_val(int n, sort const & s) { Z3_ast r = Z3_mk_int(m_ctx, n, s); check_error(); return expr(*this, r); }
inline expr func_decl::operator()(unsigned n, expr const * args) const {
@ -2017,6 +2141,62 @@ namespace z3 {
d.check_error();
return expr(d.ctx(), r);
}
// sequence and regular expression operations.
// union is +
// concat is overloaded to handle sequences and regular expressions
inline expr empty(sort const& s) {
Z3_ast r = Z3_mk_seq_empty(s.ctx(), s);
s.check_error();
return expr(s.ctx(), r);
}
inline expr suffixof(expr const& a, expr const& b) {
check_context(a, b);
Z3_ast r = Z3_mk_seq_suffix(a.ctx(), a, b);
a.check_error();
return expr(a.ctx(), r);
}
inline expr prefixof(expr const& a, expr const& b) {
check_context(a, b);
Z3_ast r = Z3_mk_seq_prefix(a.ctx(), a, b);
a.check_error();
return expr(a.ctx(), r);
}
inline expr indexof(expr const& s, expr const& substr, expr const& offset) {
check_context(s, substr); check_context(s, offset);
Z3_ast r = Z3_mk_seq_index(s.ctx(), s, substr, offset);
s.check_error();
return expr(s.ctx(), r);
}
inline expr to_re(expr const& s) {
Z3_ast r = Z3_mk_seq_to_re(s.ctx(), s);
s.check_error();
return expr(s.ctx(), r);
}
inline expr in_re(expr const& s, expr const& re) {
check_context(s, re);
Z3_ast r = Z3_mk_seq_in_re(s.ctx(), s, re);
s.check_error();
return expr(s.ctx(), r);
}
inline expr plus(expr const& re) {
Z3_ast r = Z3_mk_re_plus(re.ctx(), re);
re.check_error();
return expr(re.ctx(), r);
}
inline expr option(expr const& re) {
Z3_ast r = Z3_mk_re_option(re.ctx(), re);
re.check_error();
return expr(re.ctx(), r);
}
inline expr star(expr const& re) {
Z3_ast r = Z3_mk_re_star(re.ctx(), re);
re.check_error();
return expr(re.ctx(), r);
}
inline expr interpolant(expr const& a) {
return expr(a.ctx(), Z3_mk_interpolant(a.ctx(), a));
}

281
src/api/dotnet/Context.cs
View file

@ -125,6 +125,7 @@ namespace Microsoft.Z3
private BoolSort m_boolSort = null;
private IntSort m_intSort = null;
private RealSort m_realSort = null;
private SeqSort m_stringSort = null;
/// <summary>
/// Retrieves the Boolean sort of the context.
@ -163,6 +164,20 @@ namespace Microsoft.Z3
}
}
/// <summary>
/// Retrieves the String sort of the context.
/// </summary>
public SeqSort StringSort
{
get
{
Contract.Ensures(Contract.Result<SeqSort>() != null);
if (m_stringSort == null) m_stringSort = new SeqSort(this, Native.Z3_mk_string_sort(nCtx));
return m_stringSort;
}
}
/// <summary>
/// Create a new Boolean sort.
/// </summary>
@ -223,6 +238,27 @@ namespace Microsoft.Z3
return new BitVecSort(this, Native.Z3_mk_bv_sort(nCtx, size));
}
/// <summary>
/// Create a new sequence sort.
/// </summary>
public SeqSort MkSeqSort(Sort s)
{
Contract.Requires(s != null);
Contract.Ensures(Contract.Result<SeqSort>() != null);
return new SeqSort(this, Native.Z3_mk_seq_sort(nCtx, s.NativeObject));
}
/// <summary>
/// Create a new regular expression sort.
/// </summary>
public ReSort MkReSort(SeqSort s)
{
Contract.Requires(s != null);
Contract.Ensures(Contract.Result<ReSort>() != null);
return new ReSort(this, Native.Z3_mk_re_sort(nCtx, s.NativeObject));
}
/// <summary>
/// Create a new array sort.
/// </summary>
@ -2286,6 +2322,230 @@ namespace Microsoft.Z3
#endregion
#region Sequence, string and regular expresions
/// <summary>
/// Create the empty sequence.
/// </summary>
public SeqExpr MkEmptySeq(Sort s)
{
Contract.Requires(s != null);
Contract.Ensures(Contract.Result<SeqExpr>() != null);
return new SeqExpr(this, Native.Z3_mk_seq_empty(nCtx, s.NativeObject));
}
/// <summary>
/// Create the singleton sequence.
/// </summary>
public SeqExpr MkUnit(Expr elem)
{
Contract.Requires(elem != null);
Contract.Ensures(Contract.Result<SeqExpr>() != null);
return new SeqExpr(this, Native.Z3_mk_seq_unit(nCtx, elem.NativeObject));
}
/// <summary>
/// Create a string constant.
/// </summary>
public SeqExpr MkString(string s)
{
Contract.Requires(s != null);
Contract.Ensures(Contract.Result<SeqExpr>() != null);
return new SeqExpr(this, Native.Z3_mk_string(nCtx, s));
}
/// <summary>
/// Concatentate sequences.
/// </summary>
public SeqExpr MkConcat(params SeqExpr[] t)
{
Contract.Requires(t != null);
Contract.Requires(Contract.ForAll(t, a => a != null));
Contract.Ensures(Contract.Result<SeqExpr>() != null);
CheckContextMatch(t);
return new SeqExpr(this, Native.Z3_mk_seq_concat(nCtx, (uint)t.Length, AST.ArrayToNative(t)));
}
/// <summary>
/// Retrieve the length of a given sequence.
/// </summary>
public IntExpr MkLength(SeqExpr s)
{
Contract.Requires(s != null);
Contract.Ensures(Contract.Result<IntExpr>() != null);
return (IntExpr) Expr.Create(this, Native.Z3_mk_seq_length(nCtx, s.NativeObject));
}
/// <summary>
/// Check for sequence prefix.
/// </summary>
public BoolExpr MkPrefixOf(SeqExpr s1, SeqExpr s2)
{
Contract.Requires(s1 != null);
Contract.Requires(s2 != null);
Contract.Ensures(Contract.Result<BoolExpr>() != null);
CheckContextMatch(s1, s2);
return new BoolExpr(this, Native.Z3_mk_seq_prefix(nCtx, s1.NativeObject, s2.NativeObject));
}
/// <summary>
/// Check for sequence suffix.
/// </summary>
public BoolExpr MkSuffixOf(SeqExpr s1, SeqExpr s2)
{
Contract.Requires(s1 != null);
Contract.Requires(s2 != null);
Contract.Ensures(Contract.Result<BoolExpr>() != null);
CheckContextMatch(s1, s2);
return new BoolExpr(this, Native.Z3_mk_seq_suffix(nCtx, s1.NativeObject, s2.NativeObject));
}
/// <summary>
/// Check for sequence containment of s2 in s1.
/// </summary>
public BoolExpr MkContains(SeqExpr s1, SeqExpr s2)
{
Contract.Requires(s1 != null);
Contract.Requires(s2 != null);
Contract.Ensures(Contract.Result<BoolExpr>() != null);
CheckContextMatch(s1, s2);
return new BoolExpr(this, Native.Z3_mk_seq_contains(nCtx, s1.NativeObject, s2.NativeObject));
}
/// <summary>
/// Retrieve sequence of length one at index.
/// </summary>
public SeqExpr MkAt(SeqExpr s, IntExpr index)
{
Contract.Requires(s != null);
Contract.Requires(index != null);
Contract.Ensures(Contract.Result<SeqExpr>() != null);
CheckContextMatch(s, index);
return new SeqExpr(this, Native.Z3_mk_seq_at(nCtx, s.NativeObject, index.NativeObject));
}
/// <summary>
/// Extract subsequence.
/// </summary>
public SeqExpr MkExtract(SeqExpr s, IntExpr offset, IntExpr length)
{
Contract.Requires(s != null);
Contract.Requires(offset != null);
Contract.Requires(length != null);
Contract.Ensures(Contract.Result<SeqExpr>() != null);
CheckContextMatch(s, offset, length);
return new SeqExpr(this, Native.Z3_mk_seq_extract(nCtx, s.NativeObject, offset.NativeObject, length.NativeObject));
}
/// <summary>
/// Extract index of sub-string starting at offset.
/// </summary>
public IntExpr MkIndexOf(SeqExpr s, SeqExpr substr, ArithExpr offset)
{
Contract.Requires(s != null);
Contract.Requires(offset != null);
Contract.Requires(substr != null);
Contract.Ensures(Contract.Result<IntExpr>() != null);
CheckContextMatch(s, substr, offset);
return new IntExpr(this, Native.Z3_mk_seq_index(nCtx, s.NativeObject, substr.NativeObject, offset.NativeObject));
}
/// <summary>
/// Replace the first occurrence of src by dst in s.
/// </summary>
public SeqExpr MkReplace(SeqExpr s, SeqExpr src, SeqExpr dst)
{
Contract.Requires(s != null);
Contract.Requires(src != null);
Contract.Requires(dst != null);
Contract.Ensures(Contract.Result<SeqExpr>() != null);
CheckContextMatch(s, src, dst);
return new SeqExpr(this, Native.Z3_mk_seq_replace(nCtx, s.NativeObject, src.NativeObject, dst.NativeObject));
}
/// <summary>
/// Convert a regular expression that accepts sequence s.
/// </summary>
public ReExpr MkToRe(SeqExpr s)
{
Contract.Requires(s != null);
Contract.Ensures(Contract.Result<ReExpr>() != null);
return new ReExpr(this, Native.Z3_mk_seq_to_re(nCtx, s.NativeObject));
}
/// <summary>
/// Check for regular expression membership.
/// </summary>
public BoolExpr MkInRe(SeqExpr s, ReExpr re)
{
Contract.Requires(s != null);
Contract.Requires(re != null);
Contract.Ensures(Contract.Result<BoolExpr>() != null);
CheckContextMatch(s, re);
return new BoolExpr(this, Native.Z3_mk_seq_in_re(nCtx, s.NativeObject, re.NativeObject));
}
/// <summary>
/// Take the Kleene star of a regular expression.
/// </summary>
public ReExpr MkStar(ReExpr re)
{
Contract.Requires(re != null);
Contract.Ensures(Contract.Result<ReExpr>() != null);
return new ReExpr(this, Native.Z3_mk_re_star(nCtx, re.NativeObject));
}
/// <summary>
/// Take the Kleene plus of a regular expression.
/// </summary>
public ReExpr MPlus(ReExpr re)
{
Contract.Requires(re != null);
Contract.Ensures(Contract.Result<ReExpr>() != null);
return new ReExpr(this, Native.Z3_mk_re_plus(nCtx, re.NativeObject));
}
/// <summary>
/// Create the optional regular expression.
/// </summary>
public ReExpr MOption(ReExpr re)
{
Contract.Requires(re != null);
Contract.Ensures(Contract.Result<ReExpr>() != null);
return new ReExpr(this, Native.Z3_mk_re_option(nCtx, re.NativeObject));
}
/// <summary>
/// Create the concatenation of regular languages.
/// </summary>
public ReExpr MkConcat(params ReExpr[] t)
{
Contract.Requires(t != null);
Contract.Requires(Contract.ForAll(t, a => a != null));
Contract.Ensures(Contract.Result<ReExpr>() != null);
CheckContextMatch(t);
return new ReExpr(this, Native.Z3_mk_re_concat(nCtx, (uint)t.Length, AST.ArrayToNative(t)));
}
/// <summary>
/// Create the union of regular languages.
/// </summary>
public ReExpr MkUnion(params ReExpr[] t)
{
Contract.Requires(t != null);
Contract.Requires(Contract.ForAll(t, a => a != null));
Contract.Ensures(Contract.Result<ReExpr>() != null);
CheckContextMatch(t);
return new ReExpr(this, Native.Z3_mk_re_union(nCtx, (uint)t.Length, AST.ArrayToNative(t)));
}
#endregion
#region Pseudo-Boolean constraints
/// <summary>
@ -4448,6 +4708,26 @@ namespace Microsoft.Z3
throw new Z3Exception("Context mismatch");
}
[Pure]
internal void CheckContextMatch(Z3Object other1, Z3Object other2)
{
Contract.Requires(other1 != null);
Contract.Requires(other2 != null);
CheckContextMatch(other1);
CheckContextMatch(other2);
}
[Pure]
internal void CheckContextMatch(Z3Object other1, Z3Object other2, Z3Object other3)
{
Contract.Requires(other1 != null);
Contract.Requires(other2 != null);
Contract.Requires(other3 != null);
CheckContextMatch(other1);
CheckContextMatch(other2);
CheckContextMatch(other3);
}
[Pure]
internal void CheckContextMatch(Z3Object[] arr)
{
@ -4628,6 +4908,7 @@ namespace Microsoft.Z3
m_boolSort = null;
m_intSort = null;
m_realSort = null;
m_stringSort = null;
}
#endregion
}

2
src/api/dotnet/Expr.cs
View file

@ -1826,6 +1826,8 @@ namespace Microsoft.Z3
case Z3_sort_kind.Z3_FLOATING_POINT_SORT: return new FPExpr(ctx, obj);
case Z3_sort_kind.Z3_ROUNDING_MODE_SORT: return new FPRMExpr(ctx, obj);
case Z3_sort_kind.Z3_FINITE_DOMAIN_SORT: return new FiniteDomainExpr(ctx, obj);
case Z3_sort_kind.Z3_RE_SORT: return new ReExpr(ctx, obj);
case Z3_sort_kind.Z3_SEQ_SORT: return new SeqExpr(ctx, obj);
}
return new Expr(ctx, obj);

4
src/api/dotnet/Microsoft.Z3.csproj
View file

@ -374,7 +374,11 @@
<Compile Include="RatNum.cs" />
<Compile Include="RealExpr.cs" />
<Compile Include="RealSort.cs" />
<Compile Include="ReExpr.cs" />
<Compile Include="RelationSort.cs" />
<Compile Include="ReSort.cs" />
<Compile Include="SeqExpr.cs" />
<Compile Include="SeqSort.cs" />
<Compile Include="SetSort.cs" />
<Compile Include="Statistics.cs" />
<Compile Include="Status.cs" />

42
src/api/dotnet/ReExpr.cs Normal file
View file

@ -0,0 +1,42 @@
/*++
Copyright (<c>) 2016 Microsoft Corporation
Module Name:
ReExpr.cs
Abstract:
Z3 Managed API: Regular Expressions
Author:
Christoph Wintersteiger (cwinter) 2012-11-23
Notes:
--*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Regular expression expressions
/// </summary>
public class ReExpr : Expr
{
#region Internal
/// <summary> Constructor for ReExpr </summary>
internal ReExpr(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
#endregion
}
}

43
src/api/dotnet/ReSort.cs Normal file
View file

@ -0,0 +1,43 @@
/*++
Copyright (c) 2016 Microsoft Corporation
Module Name:
ReSort.cs
Abstract:
Z3 Managed API: Regular expression Sorts
Author:
Christoph Wintersteiger (cwinter) 2012-11-23
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// A regular expression sort
/// </summary>
public class ReSort : Sort
{
#region Internal
internal ReSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal ReSort(Context ctx)
: base(ctx, Native.Z3_mk_int_sort(ctx.nCtx))
{
Contract.Requires(ctx != null);
}
#endregion
}
}

42
src/api/dotnet/SeqExpr.cs Normal file
View file

@ -0,0 +1,42 @@
/*++
Copyright (<c>) 2016 Microsoft Corporation
Module Name:
SeqExpr.cs
Abstract:
Z3 Managed API: Sequence Expressions
Author:
Christoph Wintersteiger (cwinter) 2012-11-23
Notes:
--*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// Sequence expressions
/// </summary>
public class SeqExpr : Expr
{
#region Internal
/// <summary> Constructor for SeqExpr </summary>
internal SeqExpr(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
#endregion
}
}

43
src/api/dotnet/SeqSort.cs Normal file
View file

@ -0,0 +1,43 @@
/*++
Copyright (c) 2016 Microsoft Corporation
Module Name:
SeqSort.cs
Abstract:
Z3 Managed API: Sequence Sorts
Author:
Christoph Wintersteiger (cwinter) 2012-11-23
Notes:
--*/
using System;
using System.Diagnostics.Contracts;
namespace Microsoft.Z3
{
/// <summary>
/// A Sequence sort
/// </summary>
public class SeqSort : Sort
{
#region Internal
internal SeqSort(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
}
internal SeqSort(Context ctx)
: base(ctx, Native.Z3_mk_int_sort(ctx.nCtx))
{
Contract.Requires(ctx != null);
}
#endregion
}
}

2
src/api/dotnet/Sort.cs
View file

@ -147,6 +147,8 @@ namespace Microsoft.Z3
case Z3_sort_kind.Z3_RELATION_SORT: return new RelationSort(ctx, obj);
case Z3_sort_kind.Z3_FLOATING_POINT_SORT: return new FPSort(ctx, obj);
case Z3_sort_kind.Z3_ROUNDING_MODE_SORT: return new FPRMSort(ctx, obj);
case Z3_sort_kind.Z3_SEQ_SORT: return new SeqSort(ctx, obj);
case Z3_sort_kind.Z3_RE_SORT: return new ReSort(ctx, obj);
default:
throw new Z3Exception("Unknown sort kind");
}

229
src/api/java/Context.java
View file

@ -103,6 +103,7 @@ public class Context extends IDisposable
private BoolSort m_boolSort = null;
private IntSort m_intSort = null;
private RealSort m_realSort = null;
private SeqSort m_stringSort = null;
/**
* Retrieves the Boolean sort of the context.
@ -142,6 +143,16 @@ public class Context extends IDisposable
return new BoolSort(this);
}
/**
* Retrieves the Integer sort of the context.
**/
public SeqSort getStringSort()
{
if (m_stringSort == null)
m_stringSort = mkStringSort();
return m_stringSort;
}
/**
* Create a new uninterpreted sort.
**/
@ -193,6 +204,31 @@ public class Context extends IDisposable
return new ArraySort(this, domain, range);
}
/**
* Create a new string sort
**/
public SeqSort mkStringSort()
{
return new SeqSort(this, Native.mkStringSort(nCtx()));
}
/**
* Create a new sequence sort
**/
public SeqSort mkSeqSort(Sort s)
{
return new SeqSort(this, Native.mkSeqSort(nCtx(), s.getNativeObject()));
}
/**
* Create a new regular expression sort
**/
public ReSort mkReSort(Sort s)
{
return new ReSort(this, Native.mkReSort(nCtx(), s.getNativeObject()));
}
/**
* Create a new tuple sort.
**/
@ -1849,6 +1885,184 @@ public class Context extends IDisposable
arg2.getNativeObject()));
}
/**
* Sequences, Strings and regular expressions.
*/
/**
* Create the empty sequence.
*/
public SeqExpr MkEmptySeq(Sort s)
{
checkContextMatch(s);
return new SeqExpr(this, Native.mkSeqEmpty(nCtx(), s.getNativeObject()));
}
/**
* Create the singleton sequence.
*/
public SeqExpr MkUnit(Expr elem)
{
checkContextMatch(elem);
return new SeqExpr(this, Native.mkSeqUnit(nCtx(), elem.getNativeObject()));
}
/**
* Create a string constant.
*/
public SeqExpr MkString(String s)
{
return new SeqExpr(this, Native.mkString(nCtx(), s));
}
/**
* Concatentate sequences.
*/
public SeqExpr MkConcat(SeqExpr... t)
{
checkContextMatch(t);
return new SeqExpr(this, Native.mkSeqConcat(nCtx(), (int)t.length, AST.arrayToNative(t)));
}
/**
* Retrieve the length of a given sequence.
*/
public IntExpr MkLength(SeqExpr s)
{
checkContextMatch(s);
return (IntExpr) Expr.create(this, Native.mkSeqLength(nCtx(), s.getNativeObject()));
}
/**
* Check for sequence prefix.
*/
public BoolExpr MkPrefixOf(SeqExpr s1, SeqExpr s2)
{
checkContextMatch(s1, s2);
return new BoolExpr(this, Native.mkSeqPrefix(nCtx(), s1.getNativeObject(), s2.getNativeObject()));
}
/**
* Check for sequence suffix.
*/
public BoolExpr MkSuffixOf(SeqExpr s1, SeqExpr s2)
{
checkContextMatch(s1, s2);
return new BoolExpr(this, Native.mkSeqSuffix(nCtx(), s1.getNativeObject(), s2.getNativeObject()));
}
/**
* Check for sequence containment of s2 in s1.
*/
public BoolExpr MkContains(SeqExpr s1, SeqExpr s2)
{
checkContextMatch(s1, s2);
return new BoolExpr(this, Native.mkSeqContains(nCtx(), s1.getNativeObject(), s2.getNativeObject()));
}
/**
* Retrieve sequence of length one at index.
*/
public SeqExpr MkAt(SeqExpr s, IntExpr index)
{
checkContextMatch(s, index);
return new SeqExpr(this, Native.mkSeqAt(nCtx(), s.getNativeObject(), index.getNativeObject()));
}
/**
* Extract subsequence.
*/
public SeqExpr MkExtract(SeqExpr s, IntExpr offset, IntExpr length)
{
checkContextMatch(s, offset, length);
return new SeqExpr(this, Native.mkSeqExtract(nCtx(), s.getNativeObject(), offset.getNativeObject(), length.getNativeObject()));
}
/**
* Extract index of sub-string starting at offset.
*/
public IntExpr MkIndexOf(SeqExpr s, SeqExpr substr, ArithExpr offset)
{
checkContextMatch(s, substr, offset);
return new IntExpr(this, Native.mkSeqIndex(nCtx(), s.getNativeObject(), substr.getNativeObject(), offset.getNativeObject()));
}
/**
* Replace the first occurrence of src by dst in s.
*/
public SeqExpr MkReplace(SeqExpr s, SeqExpr src, SeqExpr dst)
{
checkContextMatch(s, src, dst);
return new SeqExpr(this, Native.mkSeqReplace(nCtx(), s.getNativeObject(), src.getNativeObject(), dst.getNativeObject()));
}
/**
* Convert a regular expression that accepts sequence s.
*/
public ReExpr MkToRe(SeqExpr s)
{
checkContextMatch(s);
return new ReExpr(this, Native.mkSeqToRe(nCtx(), s.getNativeObject()));
}
/**
* Check for regular expression membership.
*/
public BoolExpr MkInRe(SeqExpr s, ReExpr re)
{
checkContextMatch(s, re);
return new BoolExpr(this, Native.mkSeqInRe(nCtx(), s.getNativeObject(), re.getNativeObject()));
}
/**
* Take the Kleene star of a regular expression.
*/
public ReExpr MkStar(ReExpr re)
{
checkContextMatch(re);
return new ReExpr(this, Native.mkReStar(nCtx(), re.getNativeObject()));
}
/**
* Take the Kleene plus of a regular expression.
*/
public ReExpr MPlus(ReExpr re)
{
checkContextMatch(re);
return new ReExpr(this, Native.mkRePlus(nCtx(), re.getNativeObject()));
}
/**
* Create the optional regular expression.
*/
public ReExpr MOption(ReExpr re)
{
checkContextMatch(re);
return new ReExpr(this, Native.mkReOption(nCtx(), re.getNativeObject()));
}
/**
* Create the concatenation of regular languages.
*/
public ReExpr MkConcat(ReExpr... t)
{
checkContextMatch(t);
return new ReExpr(this, Native.mkReConcat(nCtx(), (int)t.length, AST.arrayToNative(t)));
}
/**
* Create the union of regular languages.
*/
public ReExpr MkUnion(ReExpr... t)
{
checkContextMatch(t);
return new ReExpr(this, Native.mkReUnion(nCtx(), (int)t.length, AST.arrayToNative(t)));
}
/**
* Create a Term of a given sort.
* @param v A string representing the term value in decimal notation. If the given sort is a real, then the
@ -3683,6 +3897,19 @@ public class Context extends IDisposable
throw new Z3Exception("Context mismatch");
}
void checkContextMatch(Z3Object other1, Z3Object other2)
{
checkContextMatch(other1);
checkContextMatch(other2);
}
void checkContextMatch(Z3Object other1, Z3Object other2, Z3Object other3)
{
checkContextMatch(other1);
checkContextMatch(other2);
checkContextMatch(other3);
}
void checkContextMatch(Z3Object[] arr)
{
if (arr != null)
@ -3822,6 +4049,7 @@ public class Context extends IDisposable
m_Params_DRQ.clear(this);
m_Probe_DRQ.clear(this);
m_Solver_DRQ.clear(this);
m_Optimize_DRQ.clear(this);
m_Statistics_DRQ.clear(this);
m_Tactic_DRQ.clear(this);
m_Fixedpoint_DRQ.clear(this);
@ -3829,6 +4057,7 @@ public class Context extends IDisposable
m_boolSort = null;
m_intSort = null;
m_realSort = null;
m_stringSort = null;
synchronized (creation_lock) {
if (m_refCount.get() == 0 && m_ctx != 0) {

4
src/api/java/Expr.java
View file

@ -2186,6 +2186,10 @@ public class Expr extends AST
return new FPRMExpr(ctx, obj);
case Z3_FINITE_DOMAIN_SORT:
return new FiniteDomainExpr(ctx, obj);
case Z3_SEQ_SORT:
return new SeqExpr(ctx, obj);
case Z3_RE_SORT:
return new ReExpr(ctx, obj);
default: ;
}

33
src/api/java/ReExpr.java Normal file
View file

@ -0,0 +1,33 @@
/**
Copyright (c) 2012-2016 Microsoft Corporation
Module Name:
ReExpr.java
Abstract:
Author:
@author Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
**/
package com.microsoft.z3;
/**
* Re expressions
**/
public class ReExpr extends Expr
{
/**
* Constructor for ReExpr
* @throws Z3Exception on error
**/
ReExpr(Context ctx, long obj)
{
super(ctx, obj);
}
}

29
src/api/java/ReSort.java Normal file
View file

@ -0,0 +1,29 @@
/**
Copyright (c) 2012-2014 Microsoft Corporation
Module Name:
ReSort.java
Abstract:
Author:
@author Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
**/
package com.microsoft.z3;
/**
* A Regular expression sort
**/
public class ReSort extends Sort
{
ReSort(Context ctx, long obj)
{
super(ctx, obj);
}
}

33
src/api/java/SeqExpr.java Normal file
View file

@ -0,0 +1,33 @@
/**
Copyright (c) 2012-2016 Microsoft Corporation
Module Name:
SeqExpr.java
Abstract:
Author:
@author Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
**/
package com.microsoft.z3;
/**
* Seq expressions
**/
public class SeqExpr extends Expr
{
/**
* Constructor for SeqExpr
* @throws Z3Exception on error
**/
SeqExpr(Context ctx, long obj)
{
super(ctx, obj);
}
}

29
src/api/java/SeqSort.java Normal file
View file

@ -0,0 +1,29 @@
/**
Copyright (c) 2012-2014 Microsoft Corporation
Module Name:
SeqSort.java
Abstract:
Author:
@author Christoph Wintersteiger (cwinter) 2012-03-15
Notes:
**/
package com.microsoft.z3;
/**
* A Sequence sort
**/
public class SeqSort extends Sort
{
SeqSort(Context ctx, long obj)
{
super(ctx, obj);
}
}

4
src/api/java/Sort.java
View file

@ -141,6 +141,10 @@ public class Sort extends AST
return new FPSort(ctx, obj);
case Z3_ROUNDING_MODE_SORT:
return new FPRMSort(ctx, obj);
case Z3_SEQ_SORT:
return new SeqSort(ctx, obj);
case Z3_RE_SORT:
return new ReSort(ctx, obj);
default:
throw new Z3Exception("Unknown sort kind");
}

766
src/api/ml/z3.ml
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887
src/api/python/z3.py
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29
src/api/python/z3printer.py
View file

@ -68,8 +68,8 @@ _z3_op_to_fpa_normal_str = {
Z3_OP_FPA_RM_NEAREST_TIES_TO_EVEN : 'RoundNearestTiesToEven()', Z3_OP_FPA_RM_NEAREST_TIES_TO_AWAY : 'RoundNearestTiesToAway()',
Z3_OP_FPA_RM_TOWARD_POSITIVE : 'RoundTowardPositive()', Z3_OP_FPA_RM_TOWARD_NEGATIVE : 'RoundTowardNegative()',
Z3_OP_FPA_RM_TOWARD_ZERO : 'RoundTowardZero()',
Z3_OP_FPA_PLUS_INF : '+oo', Z3_OP_FPA_MINUS_INF : '-oo',
Z3_OP_FPA_NAN : 'NaN', Z3_OP_FPA_PLUS_ZERO : 'PZero', Z3_OP_FPA_MINUS_ZERO : 'NZero',
Z3_OP_FPA_PLUS_INF : 'fpPlusInfinity', Z3_OP_FPA_MINUS_INF : 'fpMinusInfinity',
Z3_OP_FPA_NAN : 'fpNaN', Z3_OP_FPA_PLUS_ZERO : 'fpPZero', Z3_OP_FPA_MINUS_ZERO : 'fpNZero',
Z3_OP_FPA_ADD : 'fpAdd', Z3_OP_FPA_SUB : 'fpSub', Z3_OP_FPA_NEG : 'fpNeg', Z3_OP_FPA_MUL : 'fpMul',
Z3_OP_FPA_DIV : 'fpDiv', Z3_OP_FPA_REM : 'fpRem', Z3_OP_FPA_ABS : 'fpAbs',
Z3_OP_FPA_MIN : 'fpMin', Z3_OP_FPA_MAX : 'fpMax',
@ -570,6 +570,9 @@ class Formatter:
def pp_algebraic(self, a):
return to_format(a.as_decimal(self.precision))
def pp_string(self, a):
return to_format(a.as_string())
def pp_bv(self, a):
return to_format(a.as_string())
@ -586,13 +589,23 @@ class Formatter:
def pp_fp_value(self, a):
z3._z3_assert(isinstance(a, z3.FPNumRef), 'type mismatch')
if not self.fpa_pretty:
r = []
if (a.isNaN()):
return to_format('NaN')
r.append(to_format(_z3_op_to_fpa_normal_str[Z3_OP_FPA_NAN]))
r.append(to_format('('))
r.append(to_format(a.sort()))
r.append(to_format(')'))
return compose(r)
elif (a.isInf()):
if (a.isNegative()):
return to_format('-oo')
r.append(to_format(_z3_op_to_fpa_normal_str[Z3_OP_FPA_MINUS_INF]))
else:
return to_format('+oo')
r.append(to_format(_z3_op_to_fpa_normal_str[Z3_OP_FPA_PLUS_INF]))
r.append(to_format('('))
r.append(to_format(a.sort()))
r.append(to_format(')'))
return compose(r)
elif (a.isZero()):
if (a.isNegative()):
return to_format('-zero')
@ -875,6 +888,8 @@ class Formatter:
return self.pp_fp_value(a)
elif z3.is_fp(a):
return self.pp_fp(a, d, xs)
elif z3.is_string_value(a):
return self.pp_string(a)
elif z3.is_const(a):
return self.pp_const(a)
else:
@ -1190,6 +1205,10 @@ def set_fpa_pretty(flag=True):
set_fpa_pretty(True)
def get_fpa_pretty():
global Formatter
return _Formatter.fpa_pretty
def in_html_mode():
return isinstance(_Formatter, HTMLFormatter)

242
src/api/z3_api.h
View file

@ -161,6 +161,8 @@ typedef enum
Z3_FINITE_DOMAIN_SORT,
Z3_FLOATING_POINT_SORT,
Z3_ROUNDING_MODE_SORT,
Z3_SEQ_SORT,
Z3_RE_SORT,
Z3_UNKNOWN_SORT = 1000
} Z3_sort_kind;
@ -1098,7 +1100,7 @@ typedef enum {
Z3_OP_PR_TH_LEMMA,
Z3_OP_PR_HYPER_RESOLVE,
// Sequences
// Relational algebra
Z3_OP_RA_STORE = 0x600,
Z3_OP_RA_EMPTY,
Z3_OP_RA_IS_EMPTY,
@ -1115,6 +1117,28 @@ typedef enum {
Z3_OP_FD_CONSTANT,
Z3_OP_FD_LT,
// Sequences
Z3_OP_SEQ_UNIT,
Z3_OP_SEQ_EMPTY,
Z3_OP_SEQ_CONCAT,
Z3_OP_SEQ_PREFIX,
Z3_OP_SEQ_SUFFIX,
Z3_OP_SEQ_CONTAINS,
Z3_OP_SEQ_EXTRACT,
Z3_OP_SEQ_REPLACE,
Z3_OP_SEQ_AT,
Z3_OP_SEQ_LENGTH,
Z3_OP_SEQ_INDEX,
Z3_OP_SEQ_TO_RE,
Z3_OP_SEQ_IN_RE,
// regular expressions
Z3_OP_RE_PLUS,
Z3_OP_RE_STAR,
Z3_OP_RE_OPTION,
Z3_OP_RE_CONCAT,
Z3_OP_RE_UNION,
// Auxiliary
Z3_OP_LABEL = 0x700,
Z3_OP_LABEL_LIT,
@ -3093,6 +3117,222 @@ extern "C" {
/*@}*/
/** @name Sequences and regular expressions */
/*@{*/
/**
\brief Create a sequence sort out of the sort for the elements.
def_API('Z3_mk_seq_sort', SORT, (_in(CONTEXT), _in(SORT)))
*/
Z3_sort Z3_API Z3_mk_seq_sort(Z3_context c, Z3_sort s);
/**
\brief Check if \c s is a sequence sort.
def_API('Z3_is_seq_sort', BOOL, (_in(CONTEXT), _in(SORT)))
*/
Z3_bool Z3_API Z3_is_seq_sort(Z3_context c, Z3_sort s);
/**
\brief Create a regular expression sort out of a sequence sort.
def_API('Z3_mk_re_sort', SORT, (_in(CONTEXT), _in(SORT)))
*/
Z3_sort Z3_API Z3_mk_re_sort(Z3_context c, Z3_sort seq);
/**
\brief Check if \c s is a regular expression sort.
def_API('Z3_is_re_sort', BOOL, (_in(CONTEXT), _in(SORT)))
*/
Z3_bool Z3_API Z3_is_re_sort(Z3_context c, Z3_sort s);
/**
\brief Create a sort for 8 bit strings.
This function creates a sort for ASCII strings.
Each character is 8 bits.
def_API('Z3_mk_string_sort', SORT ,(_in(CONTEXT), ))
*/
Z3_sort Z3_API Z3_mk_string_sort(Z3_context c);
/**
\brief Check if \c s is a string sort.
def_API('Z3_is_string_sort', BOOL, (_in(CONTEXT), _in(SORT)))
*/
Z3_bool Z3_API Z3_is_string_sort(Z3_context c, Z3_sort s);
/**
\brief Create a string constant out of the string that is passed in
def_API('Z3_mk_string' ,AST ,(_in(CONTEXT), _in(STRING)))
*/
Z3_ast Z3_API Z3_mk_string(Z3_context c, Z3_string s);
/**
\brief Determine if \c s is a string constant.
def_API('Z3_is_string', BOOL, (_in(CONTEXT), _in(AST)))
*/
Z3_bool Z3_API Z3_is_string(Z3_context c, Z3_ast s);
/**
\brief Retrieve the string constant stored in \c s.
\pre Z3_is_string(c, s)
def_API('Z3_get_string' ,STRING ,(_in(CONTEXT), _in(AST)))
*/
Z3_string Z3_API Z3_get_string(Z3_context c, Z3_ast s);
/**
\brief Create an empty sequence of the sequence sort \c seq.
\pre s is a sequence sort.
def_API('Z3_mk_seq_empty' ,AST ,(_in(CONTEXT), _in(SORT)))
*/
Z3_ast Z3_API Z3_mk_seq_empty(Z3_context c, Z3_sort seq);
/**
\brief Create a unit sequence of \c a.
def_API('Z3_mk_seq_unit' ,AST ,(_in(CONTEXT), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_unit(Z3_context c, Z3_ast a);
/**
\brief Concatenate sequences.
\pre n > 0
def_API('Z3_mk_seq_concat' ,AST ,(_in(CONTEXT), _in(UINT), _in_array(1, AST)))
*/
Z3_ast Z3_API Z3_mk_seq_concat(Z3_context c, unsigned n, Z3_ast const args[]);
/**
\brief Check if \c prefix is a prefix of \c s.
\pre prefix and s are the same sequence sorts.
def_API('Z3_mk_seq_prefix' ,AST ,(_in(CONTEXT), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_prefix(Z3_context c, Z3_ast prefix, Z3_ast s);
/**
\brief Check if \c suffix is a suffix of \c s.
\pre \c suffix and \c s are the same sequence sorts.
def_API('Z3_mk_seq_suffix' ,AST ,(_in(CONTEXT), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_suffix(Z3_context c, Z3_ast suffix, Z3_ast s);
/**
\brief Check if \c container contains \c containee.
\pre \c container and \c containee are the same sequence sorts.
def_API('Z3_mk_seq_contains' ,AST ,(_in(CONTEXT), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_contains(Z3_context c, Z3_ast container, Z3_ast containee);
/**
\brief Extract subsequence starting at \c offset of \c length.
def_API('Z3_mk_seq_extract' ,AST ,(_in(CONTEXT), _in(AST), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_extract(Z3_context c, Z3_ast s, Z3_ast offset, Z3_ast length);
/**
\brief Replace the first occurrence of \c src with \c dst in \c s.
def_API('Z3_mk_seq_replace' ,AST ,(_in(CONTEXT), _in(AST), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_replace(Z3_context c, Z3_ast s, Z3_ast src, Z3_ast dst);
/**
\brief Retrieve from \s the unit sequence positioned at position \c index.
def_API('Z3_mk_seq_at' ,AST ,(_in(CONTEXT), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_at(Z3_context c, Z3_ast s, Z3_ast index);
/**
\brief Return the length of the sequence \c s.
def_API('Z3_mk_seq_length' ,AST ,(_in(CONTEXT), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_length(Z3_context c, Z3_ast s);
/**
\brief Return index of first occurrence of \c substr in \c s starting from offset \c offset.
If \c s does not contain \c substr, then the value is -1, if \c offset is the length of \c s, then the value is -1 as well.
The function is under-specified if \c offset is negative or larger than the length of \c s.
def_API('Z3_mk_seq_index' ,AST ,(_in(CONTEXT), _in(AST), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_index(Z3_context c, Z3_ast s, Z3_ast substr, Z3_ast offset);
/**
\brief Create a regular expression that accepts the sequence \c seq.
def_API('Z3_mk_seq_to_re' ,AST ,(_in(CONTEXT), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_to_re(Z3_context c, Z3_ast seq);
/**
\brief Check if \c seq is in the language generated by the regular expression \c re.
def_API('Z3_mk_seq_in_re' ,AST ,(_in(CONTEXT), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_seq_in_re(Z3_context c, Z3_ast seq, Z3_ast re);
/**
\brief Create the regular language \c re+.
def_API('Z3_mk_re_plus' ,AST ,(_in(CONTEXT), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_re_plus(Z3_context c, Z3_ast re);
/**
\brief Create the regular language \c re*.
def_API('Z3_mk_re_star' ,AST ,(_in(CONTEXT), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_re_star(Z3_context c, Z3_ast re);
/**
\brief Create the regular language \c [re].
def_API('Z3_mk_re_option' ,AST ,(_in(CONTEXT), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_re_option(Z3_context c, Z3_ast re);
/**
\brief Create the union of the regular languages.
\pre n > 0
def_API('Z3_mk_re_union' ,AST ,(_in(CONTEXT), _in(UINT), _in_array(1, AST)))
*/
Z3_ast Z3_API Z3_mk_re_union(Z3_context c, unsigned n, Z3_ast const args[]);
/**
\brief Create the concatenation of the regular languages.
\pre n > 0
def_API('Z3_mk_re_concat' ,AST ,(_in(CONTEXT), _in(UINT), _in_array(1, AST)))
*/
Z3_ast Z3_API Z3_mk_re_concat(Z3_context c, unsigned n, Z3_ast const args[]);
/*@}*/
/** @name Quantifiers */
/*@{*/
/**

10
src/api/z3_replayer.cpp
View file

@ -46,6 +46,7 @@ struct z3_replayer::imp {
size_t m_ptr;
size_t_map<void *> m_heap;
svector<z3_replayer_cmd> m_cmds;
vector<std::string> m_cmds_names;
enum value_kind { INT64, UINT64, DOUBLE, STRING, SYMBOL, OBJECT, UINT_ARRAY, INT_ARRAY, SYMBOL_ARRAY, OBJECT_ARRAY, FLOAT };
@ -509,6 +510,7 @@ struct z3_replayer::imp {
if (idx >= m_cmds.size())
throw z3_replayer_exception("invalid command");
try {
TRACE("z3_replayer_cmd", tout << m_cmds_names[idx] << "\n";);
m_cmds[idx](m_owner);
}
catch (z3_error & ex) {
@ -672,9 +674,11 @@ struct z3_replayer::imp {
m_result = obj;
}
void register_cmd(unsigned id, z3_replayer_cmd cmd) {
void register_cmd(unsigned id, z3_replayer_cmd cmd, char const* name) {
m_cmds.reserve(id+1, 0);
m_cmds_names.reserve(id+1, "");
m_cmds[id] = cmd;
m_cmds_names[id] = name;
}
void reset() {
@ -786,8 +790,8 @@ void z3_replayer::store_result(void * obj) {
return m_imp->store_result(obj);
}
void z3_replayer::register_cmd(unsigned id, z3_replayer_cmd cmd) {
return m_imp->register_cmd(id, cmd);
void z3_replayer::register_cmd(unsigned id, z3_replayer_cmd cmd, char const* name) {
return m_imp->register_cmd(id, cmd, name);
}
void z3_replayer::parse() {

2
src/api/z3_replayer.h
View file

@ -62,7 +62,7 @@ public:
void ** get_obj_addr(unsigned pos);
void store_result(void * obj);
void register_cmd(unsigned id, z3_replayer_cmd cmd);
void register_cmd(unsigned id, z3_replayer_cmd cmd, char const* name);
};
#endif

1
src/ast/ast.cpp
View file

@ -1656,6 +1656,7 @@ ast * ast_manager::register_node_core(ast * n) {
n->m_id = is_decl(n) ? m_decl_id_gen.mk() : m_expr_id_gen.mk();
TRACE("ast", tout << "Object " << n->m_id << " was created.\n";);
TRACE("mk_var_bug", tout << "mk_ast: " << n->m_id << "\n";);
// increment reference counters

10
src/ast/expr_abstract.cpp
View file

@ -49,6 +49,7 @@ void expr_abstractor::operator()(unsigned base, unsigned num_bound, expr* const*
case AST_APP: {
app* a = to_app(curr);
bool all_visited = true;
bool changed = false;
m_args.reset();
for (unsigned i = 0; i < a->get_num_args(); ++i) {
if (!m_map.find(a->get_arg(i), b)) {
@ -56,12 +57,17 @@ void expr_abstractor::operator()(unsigned base, unsigned num_bound, expr* const*
all_visited = false;
}
else {
changed |= b != a->get_arg(i);
m_args.push_back(b);
}
}
if (all_visited) {
b = m.mk_app(a->get_decl(), m_args.size(), m_args.c_ptr());
m_pinned.push_back(b);
if (changed) {
b = m.mk_app(a->get_decl(), m_args.size(), m_args.c_ptr());
m_pinned.push_back(b);
} else {
b = curr;
}
m_map.insert(curr, b);
m_stack.pop_back();
}

18
src/ast/fpa/fpa2bv_converter.cpp
View file

@ -2490,12 +2490,12 @@ void fpa2bv_converter::mk_to_fp_real_int(func_decl * f, unsigned num, expr * con
SASSERT(is_app_of(args[0], m_util.get_family_id(), OP_FPA_INTERNAL_RM));
expr * bv_rm = to_app(args[0])->get_arg(0);
rational q;
if (!m_arith_util.is_numeral(args[1], q))
rational e;
if (!m_arith_util.is_numeral(args[1], e))
UNREACHABLE();
rational e;
if (!m_arith_util.is_numeral(args[2], e))
rational q;
if (!m_arith_util.is_numeral(args[2], q))
UNREACHABLE();
SASSERT(e.is_int64());
@ -2505,11 +2505,11 @@ void fpa2bv_converter::mk_to_fp_real_int(func_decl * f, unsigned num, expr * con
return mk_pzero(f, result);
else {
scoped_mpf nte(m_mpf_manager), nta(m_mpf_manager), tp(m_mpf_manager), tn(m_mpf_manager), tz(m_mpf_manager);
m_mpf_manager.set(nte, ebits, sbits, MPF_ROUND_NEAREST_TEVEN, q.to_mpq(), e.to_mpq().numerator());
m_mpf_manager.set(nta, ebits, sbits, MPF_ROUND_NEAREST_TAWAY, q.to_mpq(), e.to_mpq().numerator());
m_mpf_manager.set(tp, ebits, sbits, MPF_ROUND_TOWARD_POSITIVE, q.to_mpq(), e.to_mpq().numerator());
m_mpf_manager.set(tn, ebits, sbits, MPF_ROUND_TOWARD_NEGATIVE, q.to_mpq(), e.to_mpq().numerator());
m_mpf_manager.set(tz, ebits, sbits, MPF_ROUND_TOWARD_ZERO, q.to_mpq(), e.to_mpq().numerator());
m_mpf_manager.set(nte, ebits, sbits, MPF_ROUND_NEAREST_TEVEN, e.to_mpq().numerator(), q.to_mpq());
m_mpf_manager.set(nta, ebits, sbits, MPF_ROUND_NEAREST_TAWAY, e.to_mpq().numerator(), q.to_mpq());
m_mpf_manager.set(tp, ebits, sbits, MPF_ROUND_TOWARD_POSITIVE, e.to_mpq().numerator(), q.to_mpq());
m_mpf_manager.set(tn, ebits, sbits, MPF_ROUND_TOWARD_NEGATIVE, e.to_mpq().numerator(), q.to_mpq());
m_mpf_manager.set(tz, ebits, sbits, MPF_ROUND_TOWARD_ZERO, e.to_mpq().numerator(), q.to_mpq());
app_ref a_nte(m), a_nta(m), a_tp(m), a_tn(m), a_tz(m);
a_nte = m_plugin->mk_numeral(nte);

60
src/ast/fpa_decl_plugin.cpp
View file

@ -69,28 +69,30 @@ void fpa_decl_plugin::recycled_id(unsigned id) {
}
func_decl * fpa_decl_plugin::mk_numeral_decl(mpf const & v) {
parameter p(mk_id(v), true);
SASSERT(p.is_external());
sort * s = mk_float_sort(v.get_ebits(), v.get_sbits());
return m_manager->mk_const_decl(symbol("fp.numeral"), s, func_decl_info(m_family_id, OP_FPA_NUM, 1, &p));
func_decl * r = 0;
if (m_fm.is_nan(v))
r = m_manager->mk_const_decl(symbol("NaN"), s, func_decl_info(m_family_id, OP_FPA_NAN));
else if (m_fm.is_pinf(v))
r = m_manager->mk_const_decl(symbol("+oo"), s, func_decl_info(m_family_id, OP_FPA_PLUS_INF));
else if (m_fm.is_ninf(v))
r = m_manager->mk_const_decl(symbol("-oo"), s, func_decl_info(m_family_id, OP_FPA_MINUS_INF));
else if (m_fm.is_pzero(v))
r = m_manager->mk_const_decl(symbol("+zero"), s, func_decl_info(m_family_id, OP_FPA_PLUS_ZERO));
else if (m_fm.is_nzero(v))
r = m_manager->mk_const_decl(symbol("-zero"), s, func_decl_info(m_family_id, OP_FPA_MINUS_ZERO));
else {
SASSERT(m_fm.is_regular(v));
parameter p(mk_id(v), true);
SASSERT(p.is_external());
sort * s = mk_float_sort(v.get_ebits(), v.get_sbits());
r = m_manager->mk_const_decl(symbol("fp.numeral"), s, func_decl_info(m_family_id, OP_FPA_NUM, 1, &p));
}
return r;
}
app * fpa_decl_plugin::mk_numeral(mpf const & v) {
sort * s = mk_float_sort(v.get_ebits(), v.get_sbits());
func_decl * d;
if (m_fm.is_nan(v))
d = m_manager->mk_const_decl(symbol("NaN"), s, func_decl_info(m_family_id, OP_FPA_NAN));
else if (m_fm.is_pinf(v))
d = m_manager->mk_const_decl(symbol("+oo"), s, func_decl_info(m_family_id, OP_FPA_PLUS_INF));
else if (m_fm.is_ninf(v))
d = m_manager->mk_const_decl(symbol("-oo"), s, func_decl_info(m_family_id, OP_FPA_MINUS_INF));
else if (m_fm.is_pzero(v))
d = m_manager->mk_const_decl(symbol("+zero"), s, func_decl_info(m_family_id, OP_FPA_PLUS_ZERO));
else if (m_fm.is_nzero(v))
d = m_manager->mk_const_decl(symbol("-zero"), s, func_decl_info(m_family_id, OP_FPA_MINUS_ZERO));
else
d = mk_numeral_decl(v);
return m_manager->mk_const(d);
return m_manager->mk_const(mk_numeral_decl(v));
}
bool fpa_decl_plugin::is_numeral(expr * n, mpf & val) {
@ -488,11 +490,24 @@ func_decl * fpa_decl_plugin::mk_to_fp(decl_kind k, unsigned num_parameters, para
return m_manager->mk_func_decl(name, arity, domain, fp, func_decl_info(m_family_id, k, num_parameters, parameters));
}
else if (arity == 3 &&
is_sort_of(domain[0], m_family_id, ROUNDING_MODE_SORT) &&
is_sort_of(domain[1], m_arith_fid, REAL_SORT) &&
is_sort_of(domain[2], m_arith_fid, INT_SORT))
is_sort_of(domain[0], m_family_id, ROUNDING_MODE_SORT) &&
is_sort_of(domain[1], m_arith_fid, REAL_SORT) &&
is_sort_of(domain[2], m_arith_fid, INT_SORT))
{
// Rounding + 1 Real + 1 Int -> 1 FP
// Rounding + 1 Real + 1 Int -> 1 FP
if (!(num_parameters == 2 && parameters[0].is_int() && parameters[1].is_int()))
m_manager->raise_exception("expecting two integer parameters to to_fp");
sort * fp = mk_float_sort(parameters[0].get_int(), parameters[1].get_int());
symbol name("to_fp");
return m_manager->mk_func_decl(name, arity, domain, fp, func_decl_info(m_family_id, k, num_parameters, parameters));
}
else if (arity == 3 &&
is_sort_of(domain[0], m_family_id, ROUNDING_MODE_SORT) &&
is_sort_of(domain[1], m_arith_fid, INT_SORT) &&
is_sort_of(domain[2], m_arith_fid, REAL_SORT))
{
// Rounding + 1 Int + 1 Real -> 1 FP
if (!(num_parameters == 2 && parameters[0].is_int() && parameters[1].is_int()))
m_manager->raise_exception("expecting two integer parameters to to_fp");
@ -543,6 +558,7 @@ func_decl * fpa_decl_plugin::mk_to_fp(decl_kind k, unsigned num_parameters, para
"(Real), "
"(RoundingMode (_ BitVec (eb+sb))), "
"(RoundingMode (_ FloatingPoint eb' sb')), "
"(RoundingMode Int Real), "
"(RoundingMode Real Int), "
"(RoundingMode Int), and "
"(RoundingMode Real)."

6
src/ast/fpa_decl_plugin.h
View file

@ -276,7 +276,7 @@ public:
bool is_pzero(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_pzero(v); }
bool is_nzero(expr * n) { scoped_mpf v(fm()); return is_numeral(n, v) && fm().is_nzero(v); }
app * mk_fp(expr * arg1, expr * arg2, expr * arg3) { return m().mk_app(m_fid, OP_FPA_FP, arg1, arg2, arg3); }
app * mk_fp(expr * sgn, expr * exp, expr * sig) { return m().mk_app(m_fid, OP_FPA_FP, sgn, exp, sig); }
app * mk_to_fp(sort * s, expr * bv_t) {
SASSERT(is_float(s) && s->get_num_parameters() == 2);
return m().mk_app(m_fid, OP_FPA_TO_FP, 2, s->get_parameters(), 1, &bv_t);
@ -286,9 +286,9 @@ public:
expr * args[] = { rm, t };
return m().mk_app(m_fid, OP_FPA_TO_FP, 2, s->get_parameters(), 2, args);
}
app * mk_to_fp(sort * s, expr * rm, expr * sig, expr * exp) {
app * mk_to_fp(sort * s, expr * rm, expr * exp, expr * sig) {
SASSERT(is_float(s) && s->get_num_parameters() == 2);
expr * args[] = { rm, sig, exp };
expr * args[] = { rm, exp, sig};
return m().mk_app(m_fid, OP_FPA_TO_FP, 2, s->get_parameters(), 3, args);
}
app * mk_to_fp_unsigned(sort * s, expr * rm, expr * t) {

5
src/ast/rewriter/bit_blaster/bit_blaster_tpl.h
View file

@ -121,8 +121,11 @@ public:
void mk_comp(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits);
void mk_carry_save_adder(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr * const * c_bits, expr_ref_vector & sum_bits, expr_ref_vector & carry_bits);
void mk_const_multiplier(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits);
bool mk_const_multiplier(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits);
bool mk_const_case_multiplier(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits);
void mk_const_case_multiplier(bool is_a, unsigned i, unsigned sz, ptr_buffer<expr, 128>& a_bits, ptr_buffer<expr, 128>& b_bits, expr_ref_vector & out_bits);
bool is_bool_const(expr* e) const { return m().is_true(e) || m().is_false(e); }
void mk_abs(unsigned sz, expr * const * a_bits, expr_ref_vector & out_bits);
};

128
src/ast/rewriter/bit_blaster/bit_blaster_tpl_def.h
View file

@ -38,7 +38,7 @@ void bit_blaster_tpl<Cfg>::checkpoint() {
template<typename Cfg>
bool bit_blaster_tpl<Cfg>::is_numeral(unsigned sz, expr * const * bits) const {
for (unsigned i = 0; i < sz; i++)
if (!m().is_true(bits[i]) && !m().is_false(bits[i]))
if (!is_bool_const(bits[i]))
return false;
return true;
}
@ -158,32 +158,31 @@ void bit_blaster_tpl<Cfg>::mk_subtracter(unsigned sz, expr * const * a_bits, exp
template<typename Cfg>
void bit_blaster_tpl<Cfg>::mk_multiplier(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits) {
SASSERT(sz > 0);
if (!m_use_bcm) {
numeral n_a, n_b;
if (is_numeral(sz, a_bits, n_b))
std::swap(a_bits, b_bits);
if (is_minus_one(sz, b_bits)) {
mk_neg(sz, a_bits, out_bits);
return;
}
if (is_numeral(sz, a_bits, n_a)) {
n_a *= n_b;
num2bits(n_a, sz, out_bits);
return;
}
numeral n_a, n_b;
out_bits.reset();
if (is_numeral(sz, a_bits, n_b))
std::swap(a_bits, b_bits);
if (is_minus_one(sz, b_bits)) {
mk_neg(sz, a_bits, out_bits);
SASSERT(sz == out_bits.size());
return;
}
else {
numeral n_a, n_b;
if (is_numeral(sz, a_bits, n_a)) {
mk_const_multiplier(sz, a_bits, b_bits, out_bits);
return;
} else if (is_numeral(sz, b_bits, n_b)) {
mk_const_multiplier(sz, b_bits, a_bits, out_bits);
return;
}
if (is_numeral(sz, a_bits, n_a)) {
n_a *= n_b;
num2bits(n_a, sz, out_bits);
SASSERT(sz == out_bits.size());
return;
}
if (mk_const_multiplier(sz, a_bits, b_bits, out_bits)) {
SASSERT(sz == out_bits.size());
return;
}
if (mk_const_multiplier(sz, b_bits, a_bits, out_bits)) {
SASSERT(sz == out_bits.size());
return;
}
out_bits.reset();
if (!m_use_wtm) {
#if 0
static unsigned counter = 0;
@ -1171,20 +1170,84 @@ void bit_blaster_tpl<Cfg>::mk_carry_save_adder(unsigned sz, expr * const * a_bit
}
template<typename Cfg>
void bit_blaster_tpl<Cfg>::mk_const_multiplier(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits) {
DEBUG_CODE({
numeral x;
SASSERT(is_numeral(sz, a_bits, x));
SASSERT(out_bits.empty());
});
bool bit_blaster_tpl<Cfg>::mk_const_case_multiplier(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits) {
unsigned nb = 0;
unsigned case_size = 1;
unsigned circuit_size = sz*sz*5;
for (unsigned i = 0; case_size < circuit_size && i < sz; ++i) {
if (!is_bool_const(a_bits[i])) {
case_size *= 2;
}
if (!is_bool_const(b_bits[i])) {
case_size *= 2;
}
}
if (case_size >= circuit_size) {
return false;
}
SASSERT(out_bits.empty());
ptr_buffer<expr, 128> na_bits;
na_bits.append(sz, a_bits);
ptr_buffer<expr, 128> nb_bits;
nb_bits.append(sz, b_bits);
mk_const_case_multiplier(true, 0, sz, na_bits, nb_bits, out_bits);
return false;
}
template<typename Cfg>
void bit_blaster_tpl<Cfg>::mk_const_case_multiplier(bool is_a, unsigned i, unsigned sz, ptr_buffer<expr, 128>& a_bits, ptr_buffer<expr, 128>& b_bits, expr_ref_vector & out_bits) {
while (is_a && i < sz && is_bool_const(a_bits[i])) ++i;
if (is_a && i == sz) { is_a = false; i = 0; }
while (!is_a && i < sz && is_bool_const(b_bits[i])) ++i;
if (i < sz) {
expr_ref_vector out1(m()), out2(m());
expr_ref x(m());
x = is_a?a_bits[i]:b_bits[i];
if (is_a) a_bits[i] = m().mk_true(); else b_bits[i] = m().mk_true();
mk_const_case_multiplier(is_a, i+1, sz, a_bits, b_bits, out1);
if (is_a) a_bits[i] = m().mk_false(); else b_bits[i] = m().mk_false();
mk_const_case_multiplier(is_a, i+1, sz, a_bits, b_bits, out2);
if (is_a) a_bits[i] = x; else b_bits[i] = x;
SASSERT(out_bits.empty());
for (unsigned j = 0; j < sz; ++j) {
out_bits.push_back(m().mk_ite(x, out1[j].get(), out2[j].get()));
}
}
else {
numeral n_a, n_b;
SASSERT(i == sz && !is_a);
VERIFY(is_numeral(sz, a_bits.c_ptr(), n_a));
VERIFY(is_numeral(sz, b_bits.c_ptr(), n_b));
n_a *= n_b;
num2bits(n_a, sz, out_bits);
}
SASSERT(out_bits.size() == sz);
}
template<typename Cfg>
bool bit_blaster_tpl<Cfg>::mk_const_multiplier(unsigned sz, expr * const * a_bits, expr * const * b_bits, expr_ref_vector & out_bits) {
numeral n_a;
if (!is_numeral(sz, a_bits, n_a)) {
return false;
}
SASSERT(out_bits.empty());
if (mk_const_case_multiplier(sz, a_bits, b_bits, out_bits)) {
SASSERT(sz == out_bits.size());
return true;
}
out_bits.reset();
if (!m_use_bcm) {
return false;
}
expr_ref_vector minus_b_bits(m()), tmp(m());
mk_neg(sz, b_bits, minus_b_bits);
out_bits.resize(sz, m().mk_false());
#if 1
bool last=false, now;
bool last = false, now;
for (unsigned i = 0; i < sz; i++) {
now = m().is_true(a_bits[i]);
SASSERT(now || m().is_false(a_bits[i]));
@ -1255,4 +1318,7 @@ void bit_blaster_tpl<Cfg>::mk_const_multiplier(unsigned sz, expr * const * a_bit
TRACE("bit_blaster_tpl_booth", for (unsigned i=0; i<out_bits.size(); i++)
tout << "Booth encoding: " << mk_pp(out_bits[i].get(), m()) << "\n"; );
SASSERT(out_bits.size() == sz);
return true;
}

114
src/ast/rewriter/bv_rewriter.cpp
View file

@ -1968,7 +1968,63 @@ void bv_rewriter::mk_t1_add_t2_eq_c(expr * t1, expr * t2, expr * c, expr_ref & r
result = m().mk_eq(t1, m_util.mk_bv_sub(c, t2));
}
#include "ast_pp.h"
bool bv_rewriter::isolate_term(expr* lhs, expr* rhs, expr_ref& result) {
if (!m_util.is_numeral(lhs) || !is_add(rhs)) {
std::swap(lhs, rhs);
}
if (!m_util.is_numeral(lhs) || !is_add(rhs)) {
return false;
}
unsigned sz = to_app(rhs)->get_num_args();
expr_ref t1(m()), t2(m());
t1 = to_app(rhs)->get_arg(0);
if (sz > 2) {
t2 = m().mk_app(get_fid(), OP_BADD, sz-1, to_app(rhs)->get_args()+1);
}
else {
SASSERT(sz == 2);
t2 = to_app(rhs)->get_arg(1);
}
mk_t1_add_t2_eq_c(t1, t2, lhs, result);
return true;
}
bool bv_rewriter::is_add_mul_const(expr* e) const {
if (!m_util.is_bv_add(e)) {
return false;
}
unsigned num = to_app(e)->get_num_args();
for (unsigned i = 0; i < num; i++) {
expr * arg = to_app(e)->get_arg(i);
expr * c2, * x2;
if (m_util.is_numeral(arg))
continue;
if (m_util.is_bv_mul(arg, c2, x2) && m_util.is_numeral(c2))
continue;
return false;
}
return true;
}
bool bv_rewriter::is_concat_target(expr* lhs, expr* rhs) const {
return
(m_util.is_concat(lhs) && (is_concat_split_target(rhs) || has_numeral(to_app(lhs)))) ||
(m_util.is_concat(rhs) && (is_concat_split_target(lhs) || has_numeral(to_app(rhs))));
}
bool bv_rewriter::has_numeral(app* a) const {
for (unsigned i = 0; i < a->get_num_args(); ++i) {
if (is_numeral(a->get_arg(i))) {
return true;
}
}
return false;
}
br_status bv_rewriter::mk_mul_eq(expr * lhs, expr * rhs, expr_ref & result) {
expr * c, * x;
numeral c_val, c_inv_val;
unsigned sz;
@ -2001,24 +2057,30 @@ br_status bv_rewriter::mk_mul_eq(expr * lhs, expr * rhs, expr_ref & result) {
// c * x = t_1 + ... + t_n
// and t_i's have non-unary coefficients (this condition is used to make sure we are actually reducing the number of multipliers).
if (m_util.is_bv_add(rhs)) {
if (is_add_mul_const(rhs)) {
// Potential problem: this simplification may increase the number of adders by reducing the amount of sharing.
unsigned num = to_app(rhs)->get_num_args();
unsigned i;
for (i = 0; i < num; i++) {
expr * arg = to_app(rhs)->get_arg(i);
expr * c2, * x2;
if (m_util.is_numeral(arg))
continue;
if (m_util.is_bv_mul(arg, c2, x2) && m_util.is_numeral(c2))
continue;
break;
}
if (i == num) {
result = m().mk_eq(x, m_util.mk_bv_mul(m_util.mk_numeral(c_inv_val, sz), rhs));
return BR_REWRITE2;
result = m().mk_eq(x, m_util.mk_bv_mul(m_util.mk_numeral(c_inv_val, sz), rhs));
return BR_REWRITE2;
}
}
if (m_util.is_numeral(lhs, c_val, sz) && is_add_mul_const(rhs)) {
unsigned num_args = to_app(rhs)->get_num_args();
unsigned i = 0;
expr* c2, *x2;
numeral c2_val, c2_inv_val;
bool found = false;
for (; !found && i < num_args; ++i) {
expr* arg = to_app(rhs)->get_arg(i);
if (m_util.is_bv_mul(arg, c2, x2) && m_util.is_numeral(c2, c2_val, sz) &&
m_util.mult_inverse(c2_val, sz, c2_inv_val)) {
found = true;
}
}
if (found) {
result = m().mk_eq(m_util.mk_numeral(c2_inv_val*c_val, sz),
m_util.mk_bv_mul(m_util.mk_numeral(c2_inv_val, sz), rhs));
return BR_REWRITE3;
}
}
return BR_FAILED;
}
@ -2065,9 +2127,10 @@ br_status bv_rewriter::mk_eq_core(expr * lhs, expr * rhs, expr_ref & result) {
return st;
}
expr_ref new_lhs(m());
expr_ref new_rhs(m());
if (m_util.is_bv_add(lhs) || m_util.is_bv_mul(lhs) || m_util.is_bv_add(rhs) || m_util.is_bv_mul(rhs)) {
expr_ref new_lhs(m());
expr_ref new_rhs(m());
st = cancel_monomials(lhs, rhs, false, new_lhs, new_rhs);
if (st != BR_FAILED) {
if (is_numeral(new_lhs) && is_numeral(new_rhs)) {
@ -2080,27 +2143,26 @@ br_status bv_rewriter::mk_eq_core(expr * lhs, expr * rhs, expr_ref & result) {
new_rhs = rhs;
}
lhs = new_lhs;
rhs = new_rhs;
// Try to rewrite t1 + t2 = c --> t1 = c - t2
// Reason: it is much cheaper to bit-blast.
expr * t1, * t2;
if (m_util.is_bv_add(new_lhs, t1, t2) && is_numeral(new_rhs)) {
mk_t1_add_t2_eq_c(t1, t2, new_rhs, result);
if (isolate_term(lhs, rhs, result)) {
return BR_REWRITE2;
}
if (m_util.is_bv_add(new_rhs, t1, t2) && is_numeral(new_lhs)) {
mk_t1_add_t2_eq_c(t1, t2, new_lhs, result);
return BR_REWRITE2;
if (is_concat_target(lhs, rhs)) {
return mk_eq_concat(lhs, rhs, result);
}
if (st != BR_FAILED) {
result = m().mk_eq(new_lhs, new_rhs);
result = m().mk_eq(lhs, rhs);
return BR_DONE;
}
}
if ((m_util.is_concat(lhs) && is_concat_split_target(rhs)) ||
(m_util.is_concat(rhs) && is_concat_split_target(lhs)))
if (is_concat_target(lhs, rhs)) {
return mk_eq_concat(lhs, rhs, result);
}
if (swapped) {
result = m().mk_eq(lhs, rhs);

4
src/ast/rewriter/bv_rewriter.h
View file

@ -137,6 +137,10 @@ class bv_rewriter : public poly_rewriter<bv_rewriter_core> {
bool is_concat_split_target(expr * t) const;
br_status mk_mul_eq(expr * lhs, expr * rhs, expr_ref & result);
bool is_add_mul_const(expr* e) const;
bool isolate_term(expr* lhs, expr* rhs, expr_ref & result);
bool has_numeral(app* e) const;
bool is_concat_target(expr* lhs, expr* rhs) const;
void updt_local_params(params_ref const & p);

13
src/ast/rewriter/expr_safe_replace.cpp
View file

@ -20,9 +20,11 @@ Revision History:
#include "expr_safe_replace.h"
#include "rewriter.h"
#include "ast_pp.h"
void expr_safe_replace::insert(expr* src, expr* dst) {
SASSERT(m.get_sort(src) == m.get_sort(dst));
m_src.push_back(src);
m_dst.push_back(dst);
m_subst.insert(src, dst);
@ -30,7 +32,7 @@ void expr_safe_replace::insert(expr* src, expr* dst) {
void expr_safe_replace::operator()(expr* e, expr_ref& res) {
m_todo.push_back(e);
expr* a, *b, *d;
expr* a, *b;
while (!m_todo.empty()) {
a = m_todo.back();
@ -51,18 +53,21 @@ void expr_safe_replace::operator()(expr* e, expr_ref& res) {
m_args.reset();
bool arg_differs = false;
for (unsigned i = 0; i < n; ++i) {
if (m_cache.find(c->get_arg(i), d)) {
expr* d = 0, *arg = c->get_arg(i);
if (m_cache.find(arg, d)) {
m_args.push_back(d);
arg_differs |= c->get_arg(i) != d;
arg_differs |= arg != d;
SASSERT(m.get_sort(arg) == m.get_sort(d));
}
else {
m_todo.push_back(c->get_arg(i));
m_todo.push_back(arg);
}
}
if (m_args.size() == n) {
if (arg_differs) {
b = m.mk_app(c->get_decl(), m_args.size(), m_args.c_ptr());
m_refs.push_back(b);
SASSERT(m.get_sort(a) == m.get_sort(b));
} else {
b = a;
}

49
src/ast/rewriter/fpa_rewriter.cpp
View file

@ -213,7 +213,7 @@ br_status fpa_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * const
mpf_exp_t mpf_exp = mpzm.get_int64(exp);
mpf_exp = m_fm.unbias_exp(ebits, mpf_exp);
m_fm.set(v, ebits, sbits, !mpzm.is_zero(z), sig, mpf_exp);
m_fm.set(v, ebits, sbits, !mpzm.is_zero(z), mpf_exp, sig);
TRACE("fp_rewriter",
tout << "sgn: " << !mpzm.is_zero(z) << std::endl;
tout << "sig: " << mpzm.to_string(sig) << std::endl;
@ -267,7 +267,21 @@ br_status fpa_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * const
return BR_FAILED;
TRACE("fp_rewriter", tout << "r1: " << r1 << ", r2: " << r2 << "\n";);
m_fm.set(v, ebits, sbits, rmv, r1.to_mpq(), r2.to_mpq().numerator());
m_fm.set(v, ebits, sbits, rmv, r2.to_mpq().numerator(), r1.to_mpq());
result = m_util.mk_value(v);
return BR_DONE;
}
else if (m_util.is_rm_numeral(args[0], rmv) &&
m_util.au().is_int(args[1]) &&
m_util.au().is_real(args[2])) {
// rm + int + real -> float
if (!m_util.is_rm_numeral(args[0], rmv) ||
!m_util.au().is_numeral(args[1], r1) ||
!m_util.au().is_numeral(args[2], r2))
return BR_FAILED;
TRACE("fp_rewriter", tout << "r1: " << r1 << ", r2: " << r2 << "\n";);
m_fm.set(v, ebits, sbits, rmv, r1.to_mpq().numerator(), r2.to_mpq());
result = m_util.mk_value(v);
return BR_DONE;
}
@ -281,8 +295,8 @@ br_status fpa_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * const
mpf_exp_t biased_exp = m_fm.mpz_manager().get_int64(r2.to_mpq().numerator());
m_fm.set(v, bvs2, bvs3 + 1,
r1.is_one(),
r3.to_mpq().numerator(),
m_fm.unbias_exp(bvs2, biased_exp));
m_fm.unbias_exp(bvs2, biased_exp),
r3.to_mpq().numerator());
TRACE("fp_rewriter", tout << "v = " << m_fm.to_string(v) << std::endl;);
result = m_util.mk_value(v);
return BR_DONE;
@ -753,24 +767,23 @@ br_status fpa_rewriter::mk_rm(expr * arg, expr_ref & result) {
return BR_FAILED;
}
br_status fpa_rewriter::mk_fp(expr * arg1, expr * arg2, expr * arg3, expr_ref & result) {
br_status fpa_rewriter::mk_fp(expr * sgn, expr * exp, expr * sig, expr_ref & result) {
unsynch_mpz_manager & mpzm = m_fm.mpz_manager();
bv_util bu(m());
rational r1, r2, r3;
unsigned bvs1, bvs2, bvs3;
rational rsgn, rexp, rsig;
unsigned bvsz_sgn, bvsz_exp, bvsz_sig;
if (bu.is_numeral(arg1, r1, bvs1) &&
bu.is_numeral(arg2, r2, bvs2) &&
bu.is_numeral(arg3, r3, bvs3)) {
SASSERT(mpzm.is_one(r2.to_mpq().denominator()));
SASSERT(mpzm.is_one(r3.to_mpq().denominator()));
SASSERT(mpzm.is_int64(r3.to_mpq().numerator()));
if (bu.is_numeral(sgn, rsgn, bvsz_sgn) &&
bu.is_numeral(sig, rsig, bvsz_sig) &&
bu.is_numeral(exp, rexp, bvsz_exp)) {
SASSERT(mpzm.is_one(rexp.to_mpq().denominator()));
SASSERT(mpzm.is_one(rsig.to_mpq().denominator()));
scoped_mpf v(m_fm);
mpf_exp_t biased_exp = mpzm.get_int64(r2.to_mpq().numerator());
m_fm.set(v, bvs2, bvs3 + 1,
r1.is_one(),
r3.to_mpq().numerator(),
m_fm.unbias_exp(bvs2, biased_exp));
mpf_exp_t biased_exp = mpzm.get_int64(rexp.to_mpq().numerator());
m_fm.set(v, bvsz_exp, bvsz_sig + 1,
rsgn.is_one(),
m_fm.unbias_exp(bvsz_exp, biased_exp),
rsig.to_mpq().numerator());
TRACE("fp_rewriter", tout << "simplified (fp ...) to " << m_fm.to_string(v) << std::endl;);
result = m_util.mk_value(v);
return BR_DONE;

2
src/ast/rewriter/fpa_rewriter.h
View file

@ -79,7 +79,7 @@ public:
br_status mk_to_fp_unsigned(func_decl * f, expr * arg1, expr * arg2, expr_ref & result);
br_status mk_rm(expr * arg, expr_ref & result);
br_status mk_fp(expr * arg1, expr * arg2, expr * arg3, expr_ref & result);
br_status mk_fp(expr * sgn, expr * exp, expr * sig, expr_ref & result);
br_status mk_to_fp_unsigned(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_to_ubv(func_decl * f, expr * arg1, expr * arg2, expr_ref & result);
br_status mk_to_sbv(func_decl * f, expr * arg1, expr * arg2, expr_ref & result);

536
src/ast/rewriter/seq_rewriter.cpp
View file

@ -22,30 +22,144 @@ Notes:
#include"ast_pp.h"
#include"ast_util.h"
#include"uint_set.h"
#include"automaton.h"
#include"well_sorted.h"
struct display_expr1 {
ast_manager& m;
display_expr1(ast_manager& m): m(m) {}
std::ostream& display(std::ostream& out, expr* e) const {
return out << mk_pp(e, m);
}
};
re2automaton::re2automaton(ast_manager& m): m(m), u(m) {}
eautomaton* re2automaton::operator()(expr* e) {
eautomaton* r = re2aut(e);
if (r) {
//display_expr1 disp(m);
//r->display(std::cout, disp);
r->compress();
//r->display(std::cout, disp);
}
return r;
}
eautomaton* re2automaton::re2aut(expr* e) {
SASSERT(u.is_re(e));
expr* e1, *e2;
scoped_ptr<eautomaton> a, b;
if (u.re.is_to_re(e, e1)) {
return seq2aut(e1);
}
else if (u.re.is_concat(e, e1, e2) && (a = re2aut(e1)) && (b = re2aut(e2))) {
return eautomaton::mk_concat(*a, *b);
}
else if (u.re.is_union(e, e1, e2) && (a = re2aut(e1)) && (b = re2aut(e2))) {
return eautomaton::mk_union(*a, *b);
}
else if (u.re.is_star(e, e1) && (a = re2aut(e1))) {
a->add_final_to_init_moves();
a->add_init_to_final_states();
return a.detach();
}
else if (u.re.is_plus(e, e1) && (a = re2aut(e1))) {
a->add_final_to_init_moves();
return a.detach();
}
else if (u.re.is_opt(e, e1) && (a = re2aut(e1))) {
a = eautomaton::mk_opt(*a);
return a.detach();
}
else if (u.re.is_range(e)) {
}
else if (u.re.is_loop(e)) {
}
#if 0
else if (u.re.is_intersect(e, e1, e2)) {
}
else if (u.re.is_empty(e)) {
}
#endif
return 0;
}
eautomaton* re2automaton::seq2aut(expr* e) {
SASSERT(u.is_seq(e));
zstring s;
expr* e1, *e2;
scoped_ptr<eautomaton> a, b;
if (u.str.is_concat(e, e1, e2) && (a = seq2aut(e1)) && (b = seq2aut(e2))) {
return eautomaton::mk_concat(*a, *b);
}
else if (u.str.is_unit(e, e1)) {
return alloc(eautomaton, m, e1);
}
else if (u.str.is_empty(e)) {
return eautomaton::mk_epsilon(m);
}
else if (u.str.is_string(e, s)) {
unsigned init = 0;
eautomaton::moves mvs;
unsigned_vector final;
final.push_back(s.length());
for (unsigned k = 0; k < s.length(); ++k) {
// reference count?
mvs.push_back(eautomaton::move(m, k, k+1, u.str.mk_char(s, k)));
}
return alloc(eautomaton, m, init, final, mvs);
}
return 0;
}
br_status seq_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result) {
SASSERT(f->get_family_id() == get_fid());
switch(f->get_decl_kind()) {
case OP_SEQ_UNIT:
return BR_FAILED;
case OP_SEQ_EMPTY:
return BR_FAILED;
case OP_RE_PLUS:
SASSERT(num_args == 1);
return mk_re_plus(args[0], result);
case OP_RE_STAR:
SASSERT(num_args == 1);
return mk_re_star(args[0], result);
case OP_RE_OPTION:
case OP_RE_RANGE:
SASSERT(num_args == 1);
return mk_re_opt(args[0], result);
case OP_RE_CONCAT:
SASSERT(num_args == 2);
return mk_re_concat(args[0], args[1], result);
case OP_RE_UNION:
SASSERT(num_args == 2);
return mk_re_union(args[0], args[1], result);
case OP_RE_RANGE:
return BR_FAILED;
case OP_RE_INTERSECT:
return BR_FAILED;
case OP_RE_LOOP:
return BR_FAILED;
case OP_RE_EMPTY_SET:
return BR_FAILED;
case OP_RE_FULL_SET:
return BR_FAILED;
case OP_RE_OF_PRED:
return BR_FAILED;
case _OP_SEQ_SKOLEM:
return BR_FAILED;
case OP_SEQ_CONCAT:
if (num_args == 1) {
result = args[0];
@ -83,10 +197,11 @@ br_status seq_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * con
SASSERT(num_args == 3);
return mk_seq_replace(args[0], args[1], args[2], result);
case OP_SEQ_TO_RE:
return BR_FAILED;
SASSERT(num_args == 1);
return mk_str_to_regexp(args[0], result);
case OP_SEQ_IN_RE:
return BR_FAILED;
SASSERT(num_args == 2);
return mk_str_in_regexp(args[0], args[1], result);
case OP_STRING_CONST:
return BR_FAILED;
case OP_STRING_ITOS:
@ -129,8 +244,8 @@ br_status seq_rewriter::mk_seq_concat(expr* a, expr* b, expr_ref& result) {
result = m_util.str.mk_string(s1 + s2);
return BR_DONE;
}
if (m_util.str.is_concat(b, c, d)) {
result = m_util.str.mk_concat(m_util.str.mk_concat(a, c), d);
if (m_util.str.is_concat(a, c, d)) {
result = m_util.str.mk_concat(c, m_util.str.mk_concat(d, b));
return BR_REWRITE2;
}
if (m_util.str.is_empty(a)) {
@ -141,11 +256,15 @@ br_status seq_rewriter::mk_seq_concat(expr* a, expr* b, expr_ref& result) {
result = a;
return BR_DONE;
}
if (m_util.str.is_concat(a, c, d) &&
m_util.str.is_string(d, s1) && isc2) {
// TBD concatenation is right-associative
if (isc2 && m_util.str.is_concat(a, c, d) && m_util.str.is_string(d, s1)) {
result = m_util.str.mk_concat(c, m_util.str.mk_string(s1 + s2));
return BR_DONE;
}
if (isc1 && m_util.str.is_concat(b, c, d) && m_util.str.is_string(c, s2)) {
result = m_util.str.mk_concat(m_util.str.mk_string(s1 + s2), d);
return BR_DONE;
}
return BR_FAILED;
}
@ -156,17 +275,17 @@ br_status seq_rewriter::mk_seq_length(expr* a, expr_ref& result) {
unsigned len = 0;
unsigned j = 0;
for (unsigned i = 0; i < m_es.size(); ++i) {
if (m_util.str.is_string(m_es[i], b)) {
if (m_util.str.is_string(m_es[i].get(), b)) {
len += b.length();
}
else if (m_util.str.is_unit(m_es[i])) {
else if (m_util.str.is_unit(m_es[i].get())) {
len += 1;
}
else if (m_util.str.is_empty(m_es[i])) {
else if (m_util.str.is_empty(m_es[i].get())) {
// skip
}
else {
m_es[j] = m_es[i];
m_es[j] = m_es[i].get();
++j;
}
}
@ -177,7 +296,7 @@ br_status seq_rewriter::mk_seq_length(expr* a, expr_ref& result) {
if (j != m_es.size() || j != 1) {
expr_ref_vector es(m());
for (unsigned i = 0; i < j; ++i) {
es.push_back(m_util.str.mk_length(m_es[i]));
es.push_back(m_util.str.mk_length(m_es[i].get()));
}
if (len != 0) {
es.push_back(m_autil.mk_numeral(rational(len, rational::ui64()), true));
@ -207,20 +326,31 @@ br_status seq_rewriter::mk_seq_contains(expr* a, expr* b, expr_ref& result) {
return BR_DONE;
}
// check if subsequence of b is in a.
ptr_vector<expr> as, bs;
expr_ref_vector as(m()), bs(m());
m_util.str.get_concat(a, as);
m_util.str.get_concat(b, bs);
bool all_values = true;
for (unsigned i = 0; all_values && i < bs.size(); ++i) {
all_values = m().is_value(bs[i].get());
}
bool found = false;
for (unsigned i = 0; !found && i < as.size(); ++i) {
if (bs.size() > as.size() - i) break;
all_values &= m().is_value(as[i].get());
unsigned j = 0;
for (; j < bs.size() && as[j+i] == bs[j]; ++j) {};
for (; j < bs.size() && as[j+i].get() == bs[j].get(); ++j) {};
found = j == bs.size();
}
if (found) {
result = m().mk_true();
return BR_DONE;
}
if (all_values) {
result = m().mk_false();
return BR_DONE;
}
return BR_FAILED;
}
@ -292,7 +422,7 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
expr* b1 = m_util.str.get_leftmost_concat(b);
isc1 = m_util.str.is_string(a1, s1);
isc2 = m_util.str.is_string(b1, s2);
ptr_vector<expr> as, bs;
expr_ref_vector as(m()), bs(m());
if (a1 != b1 && isc1 && isc2) {
if (s1.length() <= s2.length()) {
@ -342,15 +472,26 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
m_util.str.get_concat(a, as);
m_util.str.get_concat(b, bs);
unsigned i = 0;
for (; i < as.size() && i < bs.size() && as[i] == bs[i]; ++i) {};
bool all_values = true;
for (; i < as.size() && i < bs.size(); ++i) {
all_values &= m().is_value(as[i].get()) && m().is_value(bs[i].get());
if (as[i].get() != bs[i].get()) {
if (all_values) {
result = m().mk_false();
return BR_DONE;
}
break;
}
};
if (i == as.size()) {
result = m().mk_true();
return BR_DONE;
}
SASSERT(i < as.size());
if (i == bs.size()) {
expr_ref_vector es(m());
for (unsigned j = i; j < as.size(); ++j) {
es.push_back(m().mk_eq(m_util.str.mk_empty(m().get_sort(a)), as[j]));
es.push_back(m().mk_eq(m_util.str.mk_empty(m().get_sort(a)), as[j].get()));
}
result = mk_and(es);
return BR_REWRITE3;
@ -380,20 +521,10 @@ br_status seq_rewriter::mk_seq_suffix(expr* a, expr* b, expr_ref& result) {
result = m().mk_eq(m_util.str.mk_empty(m().get_sort(a)), a);
return BR_REWRITE3;
}
// concatenation is left-associative, so a2, b2 are not concatenations
expr* a1, *a2, *b1, *b2;
if (m_util.str.is_concat(a, a1, a2) &&
m_util.str.is_concat(b, b1, b2) && a2 == b2) {
result = m_util.str.mk_suffix(a1, b1);
return BR_REWRITE1;
}
if (m_util.str.is_concat(b, b1, b2) && b2 == a) {
result = m().mk_true();
return BR_DONE;
}
bool isc1 = false;
bool isc2 = false;
expr* a1, *a2, *b1, *b2;
if (m_util.str.is_concat(a, a1, a2) && m_util.str.is_string(a2, s1)) {
isc1 = true;
}
@ -453,6 +584,37 @@ br_status seq_rewriter::mk_seq_suffix(expr* a, expr* b, expr_ref& result) {
}
}
}
expr_ref_vector as(m()), bs(m());
m_util.str.get_concat(a, as);
m_util.str.get_concat(b, bs);
bool change = false;
while (as.size() > 0 && bs.size() > 0 && as.back() == bs.back()) {
as.pop_back();
bs.pop_back();
change = true;
}
if (as.size() > 0 && bs.size() > 0 && m().is_value(as.back()) && m().is_value(bs.back())) {
result = m().mk_false();
return BR_DONE;
}
if (change) {
// suffix("", bs) <- true
if (as.empty()) {
result = m().mk_true();
return BR_DONE;
}
// suffix(as, "") iff as = ""
if (bs.empty()) {
for (unsigned j = 0; j < as.size(); ++j) {
bs.push_back(m().mk_eq(m_util.str.mk_empty(m().get_sort(a)), as[j].get()));
}
result = mk_and(bs);
return BR_REWRITE3;
}
result = m_util.str.mk_suffix(m_util.str.mk_concat(as.size(), as.c_ptr()),
m_util.str.mk_concat(bs.size(), bs.c_ptr()));
return BR_DONE;
}
return BR_FAILED;
}
@ -480,26 +642,190 @@ br_status seq_rewriter::mk_str_stoi(expr* a, expr_ref& result) {
}
return BR_FAILED;
}
void seq_rewriter::add_next(u_map<expr*>& next, unsigned idx, expr* cond) {
expr* acc;
if (m().is_true(cond) || !next.find(idx, acc)) {
next.insert(idx, cond);
}
else {
next.insert(idx, m().mk_or(cond, acc));
}
}
bool seq_rewriter::is_sequence(expr* e, expr_ref_vector& seq) {
zstring s;
ptr_vector<expr> todo;
expr *e1, *e2;
todo.push_back(e);
while (!todo.empty()) {
e = todo.back();
todo.pop_back();
if (m_util.str.is_string(e, s)) {
for (unsigned i = s.length(); i > 0; ) {
--i;
seq.push_back(m_util.str.mk_char(s, i));
}
}
else if (m_util.str.is_empty(e)) {
continue;
}
else if (m_util.str.is_unit(e)) {
seq.push_back(e);
}
else if (m_util.str.is_concat(e, e1, e2)) {
todo.push_back(e1);
todo.push_back(e2);
}
else {
return false;
}
}
seq.reverse();
return true;
}
br_status seq_rewriter::mk_str_in_regexp(expr* a, expr* b, expr_ref& result) {
scoped_ptr<eautomaton> aut;
expr_ref_vector seq(m());
if (is_sequence(a, seq) && (aut = re2automaton(m())(b))) {
expr_ref_vector trail(m());
u_map<expr*> maps[2];
bool select_map = false;
expr_ref ch(m()), cond(m());
eautomaton::moves mvs;
maps[0].insert(aut->init(), m().mk_true());
// is_accepted(a, aut) & some state in frontier is final.
for (unsigned i = 0; i < seq.size(); ++i) {
u_map<expr*>& frontier = maps[select_map];
u_map<expr*>& next = maps[!select_map];
select_map = !select_map;
ch = seq[i].get();
next.reset();
u_map<expr*>::iterator it = frontier.begin(), end = frontier.end();
for (; it != end; ++it) {
mvs.reset();
unsigned state = it->m_key;
expr* acc = it->m_value;
aut->get_moves_from(state, mvs, false);
for (unsigned j = 0; j < mvs.size(); ++j) {
eautomaton::move const& mv = mvs[j];
if (m().is_value(mv.t()) && m().is_value(ch)) {
if (mv.t() == ch) {
add_next(next, mv.dst(), acc);
}
else {
continue;
}
}
else {
cond = m().mk_eq(mv.t(), ch);
if (!m().is_true(acc)) cond = m().mk_and(acc, cond);
add_next(next, mv.dst(), cond);
}
}
}
}
u_map<expr*> const& frontier = maps[select_map];
u_map<expr*>::iterator it = frontier.begin(), end = frontier.end();
expr_ref_vector ors(m());
for (; it != end; ++it) {
unsigned_vector states;
bool has_final = false;
aut->get_epsilon_closure(it->m_key, states);
for (unsigned i = 0; i < states.size() && !has_final; ++i) {
has_final = aut->is_final_state(states[i]);
}
if (has_final) {
ors.push_back(it->m_value);
}
}
result = mk_or(ors);
return BR_REWRITE_FULL;
}
return BR_FAILED;
}
br_status seq_rewriter::mk_str_to_regexp(expr* a, expr_ref& result) {
return BR_FAILED;
}
br_status seq_rewriter::mk_re_concat(expr* a, expr* b, expr_ref& result) {
if (is_epsilon(a)) {
result = b;
return BR_DONE;
}
if (is_epsilon(b)) {
result = a;
return BR_DONE;
}
return BR_FAILED;
}
/*
(a + a) = a
(a + eps) = a
(eps + a) = a
*/
br_status seq_rewriter::mk_re_union(expr* a, expr* b, expr_ref& result) {
if (a == b) {
result = a;
return BR_DONE;
}
if (m_util.re.is_star(a) && is_epsilon(b)) {
result = a;
return BR_DONE;
}
if (m_util.re.is_star(b) && is_epsilon(a)) {
result = b;
return BR_DONE;
}
return BR_FAILED;
}
/*
a** = a*
(a* + b)* = (a + b)*
(a + b*)* = (a + b)*
(a*b*)* = (a + b)*
*/
br_status seq_rewriter::mk_re_star(expr* a, expr_ref& result) {
expr* b, *c, *b1, *c1;
if (m_util.re.is_star(a)) {
result = a;
return BR_DONE;
}
if (m_util.re.is_union(a, b, c)) {
if (m_util.re.is_star(b, b1)) {
result = m_util.re.mk_star(m_util.re.mk_union(b1, c));
return BR_REWRITE2;
}
if (m_util.re.is_star(c, c1)) {
result = m_util.re.mk_star(m_util.re.mk_union(b, c1));
return BR_REWRITE2;
}
}
if (m_util.re.is_concat(a, b, c) &&
m_util.re.is_star(b, b1) && m_util.re.is_star(c, c1)) {
result = m_util.re.mk_star(m_util.re.mk_union(b1, c1));
return BR_REWRITE2;
}
return BR_FAILED;
}
/*
a+ = aa*
*/
br_status seq_rewriter::mk_re_plus(expr* a, expr_ref& result) {
return BR_FAILED;
// result = m_util.re.mk_concat(a, m_util.re.mk_star(a));
// return BR_REWRITE2;
}
br_status seq_rewriter::mk_re_opt(expr* a, expr_ref& result) {
return BR_FAILED;
sort* s;
VERIFY(m_util.is_re(a, s));
sort_ref seq(m_util.str.mk_seq(s), m());
result = m_util.re.mk_union(m_util.re.mk_to_re(m_util.str.mk_empty(seq)), a);
return BR_REWRITE1;
}
br_status seq_rewriter::mk_eq_core(expr * l, expr * r, expr_ref & result) {
@ -518,38 +844,33 @@ br_status seq_rewriter::mk_eq_core(expr * l, expr * r, expr_ref & result) {
return BR_REWRITE3;
}
bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_vector& rhs) {
bool seq_rewriter::reduce_eq(expr_ref_vector& ls, expr_ref_vector& rs, expr_ref_vector& lhs, expr_ref_vector& rhs) {
expr* a, *b;
zstring s;
bool change = false;
expr_ref_vector trail(m());
m_lhs.reset();
m_rhs.reset();
m_util.str.get_concat(l, m_lhs);
m_util.str.get_concat(r, m_rhs);
// solve from back
while (true) {
while (!m_rhs.empty() && m_util.str.is_empty(m_rhs.back())) {
m_rhs.pop_back();
while (!rs.empty() && m_util.str.is_empty(rs.back())) {
rs.pop_back();
change = true;
}
while (!m_lhs.empty() && m_util.str.is_empty(m_lhs.back())) {
m_lhs.pop_back();
while (!ls.empty() && m_util.str.is_empty(ls.back())) {
ls.pop_back();
change = true;
}
if (m_lhs.empty() || m_rhs.empty()) {
if (ls.empty() || rs.empty()) {
break;
}
expr* l = m_lhs.back();
expr* r = m_rhs.back();
expr* l = ls.back();
expr* r = rs.back();
if (m_util.str.is_unit(r) && m_util.str.is_string(l)) {
std::swap(l, r);
std::swap(m_lhs, m_rhs);
ls.swap(rs);
}
if (l == r) {
m_lhs.pop_back();
m_rhs.pop_back();
ls.pop_back();
rs.pop_back();
}
else if(m_util.str.is_unit(l, a) &&
m_util.str.is_unit(r, b)) {
@ -558,8 +879,8 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
}
lhs.push_back(a);
rhs.push_back(b);
m_lhs.pop_back();
m_rhs.pop_back();
ls.pop_back();
rs.pop_back();
}
else if (m_util.str.is_unit(l, a) && m_util.str.is_string(r, s)) {
SASSERT(s.length() > 0);
@ -568,14 +889,13 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
SASSERT(m().get_sort(ch) == m().get_sort(a));
lhs.push_back(ch);
rhs.push_back(a);
m_lhs.pop_back();
ls.pop_back();
if (s.length() == 1) {
m_rhs.pop_back();
rs.pop_back();
}
else {
expr_ref s2(m_util.str.mk_string(s.extract(0, s.length()-2)), m());
m_rhs[m_rhs.size()-1] = s2;
trail.push_back(s2);
rs[rs.size()-1] = s2;
}
}
else {
@ -587,22 +907,22 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
// solve from front
unsigned head1 = 0, head2 = 0;
while (true) {
while (head1 < m_lhs.size() && m_util.str.is_empty(m_lhs[head1])) {
while (head1 < ls.size() && m_util.str.is_empty(ls[head1].get())) {
++head1;
}
while (head2 < m_rhs.size() && m_util.str.is_empty(m_rhs[head2])) {
while (head2 < rs.size() && m_util.str.is_empty(rs[head2].get())) {
++head2;
}
if (head1 == m_lhs.size() || head2 == m_rhs.size()) {
if (head1 == ls.size() || head2 == rs.size()) {
break;
}
SASSERT(head1 < m_lhs.size() && head2 < m_rhs.size());
SASSERT(head1 < ls.size() && head2 < rs.size());
expr* l = m_lhs[head1];
expr* r = m_rhs[head2];
expr* l = ls[head1].get();
expr* r = rs[head2].get();
if (m_util.str.is_unit(r) && m_util.str.is_string(l)) {
std::swap(l, r);
std::swap(m_lhs, m_rhs);
ls.swap(rs);
}
if (l == r) {
++head1;
@ -624,14 +944,13 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
SASSERT(m().get_sort(ch) == m().get_sort(a));
lhs.push_back(ch);
rhs.push_back(a);
m_lhs.pop_back();
ls.pop_back();
if (s.length() == 1) {
m_rhs.pop_back();
rs.pop_back();
}
else {
expr_ref s2(m_util.str.mk_string(s.extract(1, s.length()-1)), m());
m_rhs[m_rhs.size()-1] = s2;
trail.push_back(s2);
rs[rs.size()-1] = s2;
}
}
else {
@ -641,10 +960,10 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
}
// reduce strings
zstring s1, s2;
while (head1 < m_lhs.size() &&
head2 < m_rhs.size() &&
m_util.str.is_string(m_lhs[head1], s1) &&
m_util.str.is_string(m_rhs[head2], s2)) {
while (head1 < ls.size() &&
head2 < rs.size() &&
m_util.str.is_string(ls[head1].get(), s1) &&
m_util.str.is_string(rs[head2].get(), s2)) {
unsigned l = std::min(s1.length(), s2.length());
for (unsigned i = 0; i < l; ++i) {
if (s1[i] != s2[i]) {
@ -655,68 +974,88 @@ bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_ve
++head1;
}
else {
m_lhs[head1] = m_util.str.mk_string(s1.extract(l, s1.length()-l));
trail.push_back(m_lhs[head1]);
ls[head1] = m_util.str.mk_string(s1.extract(l, s1.length()-l));
}
if (l == s2.length()) {
++head2;
}
else {
m_rhs[head2] = m_util.str.mk_string(s2.extract(l, s2.length()-l));
trail.push_back(m_rhs[head2]);
rs[head2] = m_util.str.mk_string(s2.extract(l, s2.length()-l));
}
change = true;
}
while (head1 < m_lhs.size() &&
head2 < m_rhs.size() &&
m_util.str.is_string(m_lhs.back(), s1) &&
m_util.str.is_string(m_rhs.back(), s2)) {
while (head1 < ls.size() &&
head2 < rs.size() &&
m_util.str.is_string(ls.back(), s1) &&
m_util.str.is_string(rs.back(), s2)) {
unsigned l = std::min(s1.length(), s2.length());
for (unsigned i = 0; i < l; ++i) {
if (s1[s1.length()-i-1] != s2[s2.length()-i-1]) {
return false;
}
}
m_lhs.pop_back();
m_rhs.pop_back();
ls.pop_back();
rs.pop_back();
if (l < s1.length()) {
m_lhs.push_back(m_util.str.mk_string(s1.extract(0, s1.length()-l)));
trail.push_back(m_lhs.back());
ls.push_back(m_util.str.mk_string(s1.extract(0, s1.length()-l)));
}
if (l < s2.length()) {
m_rhs.push_back(m_util.str.mk_string(s2.extract(0, s2.length()-l)));
trail.push_back(m_rhs.back());
rs.push_back(m_util.str.mk_string(s2.extract(0, s2.length()-l)));
}
change = true;
}
bool is_sat;
unsigned szl = m_lhs.size() - head1, szr = m_rhs.size() - head2;
expr* const* ls = m_lhs.c_ptr() + head1, * const*rs = m_rhs.c_ptr() + head2;
if (length_constrained(szl, ls, szr, rs, lhs, rhs, is_sat)) {
unsigned szl = ls.size() - head1, szr = rs.size() - head2;
expr* const* _ls = ls.c_ptr() + head1, * const* _rs = rs.c_ptr() + head2;
if (length_constrained(szl, _ls, szr, _rs, lhs, rhs, is_sat)) {
ls.reset(); rs.reset();
return is_sat;
}
if (is_subsequence(szl, ls, szr, rs, lhs, rhs, is_sat)) {
if (is_subsequence(szl, _ls, szr, _rs, lhs, rhs, is_sat)) {
ls.reset(); rs.reset();
return is_sat;
}
if (szl == 0 && szr == 0) {
return true;
}
if (szl == 0 && szr == 0) {
ls.reset(); rs.reset();
return true;
}
else if (!change) {
lhs.push_back(l);
rhs.push_back(r);
// skip
SASSERT(lhs.empty());
}
else {
// could solve if either side is fixed size.
SASSERT(szl > 0 && szr > 0);
lhs.push_back(m_util.str.mk_concat(szl, ls));
rhs.push_back(m_util.str.mk_concat(szr, rs));
lhs.push_back(m_util.str.mk_concat(szl, ls.c_ptr() + head1));
rhs.push_back(m_util.str.mk_concat(szr, rs.c_ptr() + head2));
ls.reset();
rs.reset();
}
SASSERT(lhs.empty() || ls.empty());
return true;
}
bool seq_rewriter::reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_vector& rhs) {
m_lhs.reset();
m_rhs.reset();
m_util.str.get_concat(l, m_lhs);
m_util.str.get_concat(r, m_rhs);
if (reduce_eq(m_lhs, m_rhs, lhs, rhs)) {
SASSERT(lhs.size() == rhs.size());
if (lhs.empty()) {
lhs.push_back(l);
rhs.push_back(r);
}
return true;
}
else {
TRACE("seq", tout << mk_pp(l, m()) << " != " << mk_pp(r, m()) << "\n";);
return false;
}
}
expr* seq_rewriter::concat_non_empty(unsigned n, expr* const* as) {
SASSERT(n > 0);
ptr_vector<expr> bs;
@ -812,6 +1151,11 @@ bool seq_rewriter::length_constrained(unsigned szl, expr* const* l, unsigned szr
return false;
}
bool seq_rewriter::is_epsilon(expr* e) const {
expr* e1;
return m_util.re.is_to_re(e, e1) && m_util.str.is_empty(e1);
}
bool seq_rewriter::is_subsequence(unsigned szl, expr* const* l, unsigned szr, expr* const* r,
expr_ref_vector& lhs, expr_ref_vector& rhs, bool& is_sat) {
is_sat = true;

22
src/ast/rewriter/seq_rewriter.h
View file

@ -24,15 +24,27 @@ Notes:
#include"rewriter_types.h"
#include"params.h"
#include"lbool.h"
#include"automaton.h"
typedef automaton<expr, ast_manager> eautomaton;
class re2automaton {
ast_manager& m;
seq_util u;
eautomaton* re2aut(expr* e);
eautomaton* seq2aut(expr* e);
public:
re2automaton(ast_manager& m);
eautomaton* operator()(expr* e);
};
/**
\brief Cheap rewrite rules for seq constraints
*/
class seq_rewriter {
seq_util m_util;
arith_util m_autil;
ptr_vector<expr> m_es, m_lhs, m_rhs;
expr_ref_vector m_es, m_lhs, m_rhs;
br_status mk_seq_concat(expr* a, expr* b, expr_ref& result);
br_status mk_seq_length(expr* a, expr_ref& result);
@ -61,9 +73,13 @@ class seq_rewriter {
bool min_length(unsigned n, expr* const* es, unsigned& len);
expr* concat_non_empty(unsigned n, expr* const* es);
void add_next(u_map<expr*>& next, unsigned idx, expr* cond);
bool is_sequence(expr* e, expr_ref_vector& seq);
bool is_epsilon(expr* e) const;
public:
seq_rewriter(ast_manager & m, params_ref const & p = params_ref()):
m_util(m), m_autil(m) {
m_util(m), m_autil(m), m_es(m), m_lhs(m), m_rhs(m) {
}
ast_manager & m() const { return m_util.get_manager(); }
family_id get_fid() const { return m_util.get_family_id(); }
@ -76,6 +92,8 @@ public:
bool reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_vector& rhs);
bool reduce_eq(expr_ref_vector& ls, expr_ref_vector& rs, expr_ref_vector& lhs, expr_ref_vector& rhs);
};
#endif

66
src/ast/seq_decl_plugin.cpp
View file

@ -25,7 +25,6 @@ Revision History:
zstring::zstring(encoding enc): m_encoding(enc) {}
zstring::zstring(char const* s, encoding enc): m_encoding(enc) {
// TBD: epply decoding
while (*s) {
m_buffer.push_back(*s);
++s;
@ -42,7 +41,7 @@ zstring::zstring(unsigned num_bits, bool const* ch) {
m_encoding = (num_bits == 8)?ascii:unicode;
unsigned n = 0;
for (unsigned i = 0; i < num_bits; ++i) {
n |= (((unsigned)ch[i]) << num_bits);
n |= (((unsigned)ch[i]) << i);
}
m_buffer.push_back(n);
}
@ -81,12 +80,24 @@ zstring zstring::replace(zstring const& src, zstring const& dst) const {
return result;
}
static const char esc_table[32][3] =
{ "\\0", "^A", "^B", "^C", "^D", "^E", "^F", "\\a", "\\b", "\\t", "\\n", "\\v", "\\f", "\\r", "^N",
"^O", "^P", "^Q", "^R", "^S", "^T", "^U", "^V","^W","^X","^Y","^Z","\\e","^\\","^]","^^","^_"};
std::string zstring::encode() const {
// TBD apply encodings.
SASSERT(m_encoding == ascii);
std::ostringstream strm;
for (unsigned i = 0; i < m_buffer.size(); ++i) {
strm << (char)(m_buffer[i]);
unsigned char ch = m_buffer[i];
if (0 <= ch && ch < 32) {
strm << esc_table[ch];
}
else if (ch == 127) {
strm << "^?";
}
else {
strm << (char)(ch);
}
}
return strm.str();
}
@ -163,6 +174,7 @@ std::ostream& zstring::operator<<(std::ostream& out) const {
seq_decl_plugin::seq_decl_plugin(): m_init(false),
m_stringc_sym("String"),
m_charc_sym("Char"),
m_string(0),
m_char(0) {}
@ -211,9 +223,9 @@ bool seq_decl_plugin::match(ptr_vector<sort>& binding, sort* s, sort* sP) {
}
/*
\brief match left associative operator.
\brief match right associative operator.
*/
void seq_decl_plugin::match_left_assoc(psig& sig, unsigned dsz, sort *const* dom, sort* range, sort_ref& range_out) {
void seq_decl_plugin::match_right_assoc(psig& sig, unsigned dsz, sort *const* dom, sort* range, sort_ref& range_out) {
ptr_vector<sort> binding;
ast_manager& m = *m_manager;
TRACE("seq_verbose",
@ -369,7 +381,8 @@ void seq_decl_plugin::init() {
void seq_decl_plugin::set_manager(ast_manager* m, family_id id) {
decl_plugin::set_manager(m, id);
m_char = m->mk_sort(symbol("Char"), sort_info(m_family_id, _CHAR_SORT, 0, (parameter const*)0));
bv_util bv(*m);
m_char = bv.mk_sort(8);
m->inc_ref(m_char);
parameter param(m_char);
m_string = m->mk_sort(symbol("String"), sort_info(m_family_id, SEQ_SORT, 1, &param));
@ -391,18 +404,18 @@ sort * seq_decl_plugin::mk_sort(decl_kind k, unsigned num_parameters, parameter
return m_string;
}
return m.mk_sort(symbol("Seq"), sort_info(m_family_id, SEQ_SORT, num_parameters, parameters));
case RE_SORT:
case RE_SORT: {
if (num_parameters != 1) {
m.raise_exception("Invalid regex sort, expecting one parameter");
}
if (!parameters[0].is_ast() || !is_sort(parameters[0].get_ast())) {
m.raise_exception("invalid regex sort, parameter is not a sort");
}
sort * s = to_sort(parameters[0].get_ast());
return m.mk_sort(symbol("RegEx"), sort_info(m_family_id, RE_SORT, num_parameters, parameters));
}
case _STRING_SORT:
return m_string;
case _CHAR_SORT:
return m_char;
default:
UNREACHABLE();
return 0;
@ -430,9 +443,9 @@ func_decl* seq_decl_plugin::mk_assoc_fun(decl_kind k, unsigned arity, sort* cons
if (arity == 0) {
m.raise_exception("Invalid function application. At least one argument expected");
}
match_left_assoc(*m_sigs[k], arity, domain, range, rng);
match_right_assoc(*m_sigs[k], arity, domain, range, rng);
func_decl_info info(m_family_id, k_seq);
info.set_left_associative();
info.set_right_associative();
return m.mk_func_decl(m_sigs[(rng == m_string)?k_string:k_seq]->m_name, rng, rng, rng, info);
}
@ -470,6 +483,8 @@ func_decl * seq_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
}
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, rng, func_decl_info(m_family_id, k, num_parameters, parameters));
case OP_STRING_CONST:
if (!(num_parameters == 1 && arity == 0 && parameters[0].is_symbol())) {
m.raise_exception("invalid string declaration");
@ -583,7 +598,7 @@ void seq_decl_plugin::get_sort_names(svector<builtin_name> & sort_names, symbol
app* seq_decl_plugin::mk_string(symbol const& s) {
parameter param(s);
func_decl* f = m_manager->mk_const_decl(m_stringc_sym, m_string,
func_decl_info(m_family_id, OP_STRING_CONST, 1, &param));
func_decl_info(m_family_id, OP_STRING_CONST, 1, &param));
return m_manager->mk_const(f);
}
@ -591,12 +606,16 @@ app* seq_decl_plugin::mk_string(zstring const& s) {
symbol sym(s.encode().c_str());
parameter param(sym);
func_decl* f = m_manager->mk_const_decl(m_stringc_sym, m_string,
func_decl_info(m_family_id, OP_STRING_CONST, 1, &param));
func_decl_info(m_family_id, OP_STRING_CONST, 1, &param));
return m_manager->mk_const(f);
}
bool seq_decl_plugin::is_value(app* e) const {
return is_app_of(e, m_family_id, OP_STRING_CONST);
return
is_app_of(e, m_family_id, OP_SEQ_EMPTY) ||
(is_app_of(e, m_family_id, OP_SEQ_UNIT) &&
m_manager->is_value(e->get_arg(0)));
}
app* seq_util::mk_skolem(symbol const& name, unsigned n, expr* const* args, sort* range) {
@ -609,11 +628,26 @@ app* seq_util::mk_skolem(symbol const& name, unsigned n, expr* const* args, sort
app* seq_util::str::mk_string(zstring const& s) { return u.seq.mk_string(s); }
app* seq_util::str::mk_char(zstring const& s, unsigned idx) {
bv_util bvu(m);
return bvu.mk_numeral(s[idx], s.num_bits());
}
app* seq_util::str::mk_char(char ch) {
zstring s(ch, zstring::ascii);
return mk_char(s, 0);
}
bool seq_util::str::is_char(expr* n, zstring& c) const {
if (u.is_char(n)) {
c = zstring(to_app(n)->get_decl()->get_parameter(0).get_symbol().bare_str());
return true;
}
else {
return false;
}
}
bool seq_util::str::is_string(expr const* n, zstring& s) const {
if (is_string(n)) {
@ -626,7 +660,7 @@ bool seq_util::str::is_string(expr const* n, zstring& s) const {
}
void seq_util::str::get_concat(expr* e, ptr_vector<expr>& es) const {
void seq_util::str::get_concat(expr* e, expr_ref_vector& es) const {
expr* e1, *e2;
while (is_concat(e, e1, e2)) {
get_concat(e1, es);

23
src/ast/seq_decl_plugin.h
View file

@ -22,13 +22,13 @@ Revision History:
#define SEQ_DECL_PLUGIN_H_
#include "ast.h"
#include "bv_decl_plugin.h"
enum seq_sort_kind {
SEQ_SORT,
RE_SORT,
_STRING_SORT, // internal only
_CHAR_SORT // internal only
_STRING_SORT // internal only
};
enum seq_op_kind {
@ -131,12 +131,13 @@ class seq_decl_plugin : public decl_plugin {
ptr_vector<psig> m_sigs;
bool m_init;
symbol m_stringc_sym;
symbol m_charc_sym;
sort* m_string;
sort* m_char;
void match(psig& sig, unsigned dsz, sort* const* dom, sort* range, sort_ref& rng);
void match_left_assoc(psig& sig, unsigned dsz, sort* const* dom, sort* range, sort_ref& rng);
void match_right_assoc(psig& sig, unsigned dsz, sort* const* dom, sort* range, sort_ref& rng);
bool match(ptr_vector<sort>& binding, sort* s, sort* sP);
@ -187,6 +188,7 @@ public:
ast_manager& get_manager() const { return m; }
bool is_char(sort* s) const { return seq.is_char(s); }
bool is_string(sort* s) const { return is_seq(s) && seq.is_char(s->get_parameter(0).get_ast()); }
bool is_seq(sort* s) const { return is_sort_of(s, m_fid, SEQ_SORT); }
bool is_re(sort* s) const { return is_sort_of(s, m_fid, RE_SORT); }
@ -195,6 +197,7 @@ public:
bool is_seq(sort* s, sort*& seq) { return is_seq(s) && (seq = to_sort(s->get_parameter(0).get_ast()), true); }
bool is_re(expr* e) const { return is_re(m.get_sort(e)); }
bool is_re(expr* e, sort*& seq) const { return is_re(m.get_sort(e), seq); }
bool is_char(expr* e) const { return is_char(m.get_sort(e)); }
app* mk_skolem(symbol const& name, unsigned n, expr* const* args, sort* range);
bool is_skolem(expr const* e) const { return is_app_of(e, m_fid, _OP_SEQ_SKOLEM); }
@ -212,13 +215,13 @@ public:
str(seq_util& u): u(u), m(u.m), m_fid(u.m_fid) {}
sort* mk_seq(sort* s) { parameter param(s); return m.mk_sort(m_fid, SEQ_SORT, 1, &param); }
sort* mk_string_sort() { return m.mk_sort(m_fid, _STRING_SORT, 0, 0); }
app* mk_empty(sort* s) { return m.mk_const(m.mk_func_decl(m_fid, OP_SEQ_EMPTY, 0, 0, 0, (expr*const*)0, s)); }
app* mk_string(zstring const& s);
app* mk_string(symbol const& s) { return u.seq.mk_string(s); }
app* mk_char(char ch);
app* mk_concat(expr* a, expr* b) { expr* es[2] = { a, b }; return m.mk_app(m_fid, OP_SEQ_CONCAT, 2, es); }
app* mk_concat(expr* a, expr* b, expr* c) {
return mk_concat(mk_concat(a, b), c);
}
app* mk_concat(expr* a, expr* b, expr* c) { return mk_concat(a, mk_concat(b, c)); }
expr* mk_concat(unsigned n, expr* const* es) { if (n == 1) return es[0]; SASSERT(n > 1); return m.mk_app(m_fid, OP_SEQ_CONCAT, n, es); }
app* mk_length(expr* a) { return m.mk_app(m_fid, OP_SEQ_LENGTH, 1, &a); }
app* mk_substr(expr* a, expr* b, expr* c) { expr* es[3] = { a, b, c }; return m.mk_app(m_fid, OP_SEQ_EXTRACT, 3, es); }
@ -229,8 +232,6 @@ public:
app* mk_unit(expr* u) { return m.mk_app(m_fid, OP_SEQ_UNIT, 1, &u); }
app* mk_char(zstring const& s, unsigned idx);
bool is_string(expr const * n) const { return is_app_of(n, m_fid, OP_STRING_CONST); }
bool is_string(expr const* n, symbol& s) const {
@ -238,6 +239,7 @@ public:
}
bool is_string(expr const* n, zstring& s) const;
bool is_char(expr* n, zstring& s) const;
bool is_empty(expr const* n) const { symbol s;
return is_app_of(n, m_fid, OP_SEQ_EMPTY) || (is_string(n, s) && !s.is_numerical() && *s.bare_str() == 0);
@ -271,8 +273,9 @@ public:
MATCH_BINARY(is_in_re);
MATCH_UNARY(is_unit);
void get_concat(expr* e, ptr_vector<expr>& es) const;
void get_concat(expr* e, expr_ref_vector& es) const;
expr* get_leftmost_concat(expr* e) const { expr* e1, *e2; while (is_concat(e, e1, e2)) e = e1; return e; }
expr* get_rightmost_concat(expr* e) const { expr* e1, *e2; while (is_concat(e, e1, e2)) e = e2; return e; }
};
class re {
@ -281,6 +284,8 @@ public:
public:
re(seq_util& u): m(u.m), m_fid(u.m_fid) {}
sort* mk_re(sort* seq) { parameter param(seq); return m.mk_sort(m_fid, RE_SORT, 1, &param); }
app* mk_to_re(expr* s) { return m.mk_app(m_fid, OP_SEQ_TO_RE, 1, &s); }
app* mk_in_re(expr* s, expr* r) { return m.mk_app(m_fid, OP_SEQ_IN_RE, s, r); }
app* mk_concat(expr* r1, expr* r2) { return m.mk_app(m_fid, OP_RE_CONCAT, r1, r2); }

6
src/ast/simplifier/elim_bounds.cpp
View file

@ -110,6 +110,7 @@ void elim_bounds::operator()(quantifier * q, expr_ref & r) {
return;
}
expr * n = q->get_expr();
unsigned num_vars = q->get_num_decls();
ptr_buffer<expr> atoms;
if (m_manager.is_or(n))
atoms.append(to_app(n)->get_num_args(), to_app(n)->get_args());
@ -138,11 +139,11 @@ void elim_bounds::operator()(quantifier * q, expr_ref & r) {
var * lower = 0;
var * upper = 0;
if (is_bound(a, lower, upper)) {
if (lower != 0 && !m_used_vars.contains(lower->get_idx())) {
if (lower != 0 && !m_used_vars.contains(lower->get_idx()) && lower->get_idx() < num_vars) {
ADD_CANDIDATE(lower);
m_lowers.insert(lower);
}
if (upper != 0 && !m_used_vars.contains(upper->get_idx())) {
if (upper != 0 && !m_used_vars.contains(upper->get_idx()) && upper->get_idx() < num_vars) {
ADD_CANDIDATE(upper);
m_uppers.insert(upper);
}
@ -176,6 +177,7 @@ void elim_bounds::operator()(quantifier * q, expr_ref & r) {
switch (atoms.size()) {
case 0:
r = m_manager.mk_false();
TRACE("elim_bounds", tout << mk_pp(q, m_manager) << "\n" << mk_pp(r, m_manager) << "\n";);
return;
case 1:
new_body = atoms[0];

1
src/interp/iz3interp.cpp
View file

@ -26,7 +26,6 @@
#pragma warning(disable:4101)
#endif
#include <assert.h>
#include <algorithm>
#include <stdio.h>
#include <fstream>

4
src/interp/iz3translate.cpp
View file

@ -2023,8 +2023,8 @@ public:
break;
}
default:
pfgoto(proof);
assert(0 && "translate_main: unsupported proof rule");
// pfgoto(proof);
// SASSERT(0 && "translate_main: unsupported proof rule");
throw unsupported();
}
}

23
src/math/automata/automaton.cpp Normal file
View file

@ -0,0 +1,23 @@
/*++
Copyright (c) 2015 Microsoft Corporation
Module Name:
automaton.cpp
Abstract:
Symbolic Automaton, a la Margus Veanes Automata library.
Author:
Nikolaj Bjorner (nbjorner) 2015-12-23.
Revision History:
--*/
#include "automaton.h"
template class automaton<unsigned>;

608
src/math/automata/automaton.h Normal file
View file

@ -0,0 +1,608 @@
/*++
Copyright (c) 2015 Microsoft Corporation
Module Name:
automaton.h
Abstract:
Symbolic Automaton, a la Margus Veanes Automata library.
Author:
Nikolaj Bjorner (nbjorner) 2015-12-23.
Revision History:
--*/
#ifndef AUTOMATON_H_
#define AUTOMATON_H_
#include "util.h"
#include "vector.h"
#include "uint_set.h"
template<class T>
class default_value_manager {
public:
void inc_ref(T* t) {}
void dec_ref(T* t) {}
};
template<class T, class M = default_value_manager<T> >
class automaton {
public:
class move {
M& m;
T* m_t;
unsigned m_src;
unsigned m_dst;
public:
move(M& m, unsigned s, unsigned d, T* t = 0): m(m), m_t(t), m_src(s), m_dst(d) {
if (t) m.inc_ref(t);
}
~move() {
if (m_t) m.dec_ref(m_t);
}
move(move const& other): m(other.m), m_t(other.m_t), m_src(other.m_src), m_dst(other.m_dst) {
if (m_t) m.inc_ref(m_t);
}
move& operator=(move const& other) {
SASSERT(&m == &other.m);
T* t = other.m_t;
if (t) m.inc_ref(t);
if (m_t) m.dec_ref(m_t);
m_t = t;
m_src = other.m_src;
m_dst = other.m_dst;
return *this;
}
unsigned dst() const { return m_dst; }
unsigned src() const { return m_src; }
T* t() const { return m_t; }
bool is_epsilon() const { return m_t == 0; }
};
typedef vector<move> moves;
private:
M& m;
vector<moves> m_delta;
vector<moves> m_delta_inv;
unsigned m_init;
uint_set m_final_set;
unsigned_vector m_final_states;
// local data-structures
mutable uint_set m_visited;
mutable unsigned_vector m_todo;
struct default_display {
std::ostream& display(std::ostream& out, T* t) {
return out << t;
}
};
public:
// The empty automaton:
automaton(M& m):
m(m),
m_init(0)
{
m_delta.push_back(moves());
m_delta_inv.push_back(moves());
}
// create an automaton from initial state, final states, and moves
automaton(M& m, unsigned init, unsigned_vector const& final, moves const& mvs): m(m) {
m_init = init;
for (unsigned i = 0; i < final.size(); ++i) {
add_to_final_states(final[i]);
}
for (unsigned i = 0; i < mvs.size(); ++i) {
move const& mv = mvs[i];
unsigned n = std::max(mv.src(), mv.dst());
if (n >= m_delta.size()) {
m_delta.resize(n+1, moves());
m_delta_inv.resize(n+1, moves());
}
add(mv);
}
}
// create an automaton that accepts a sequence.
automaton(M& m, ptr_vector<T> const& seq):
m(m),
m_init(0) {
m_delta.resize(seq.size()+1, moves());
m_delta_inv.resize(seq.size()+1, moves());
for (unsigned i = 0; i < seq.size(); ++i) {
m_delta[i].push_back(move(m, i, i + 1, seq[i]));
m_delta[i + 1].push_back(move(m, i, i + 1, seq[i]));
}
add_to_final_states(seq.size());
}
// The automaton that accepts t
automaton(M& m, T* t):
m(m),
m_init(0) {
m_delta.resize(2, moves());
m_delta_inv.resize(2, moves());
add_to_final_states(1);
add(move(m, 0, 1, t));
}
automaton(automaton const& other):
m(other.m),
m_delta(other.m_delta),
m_delta_inv(other.m_delta_inv),
m_init(other.m_init),
m_final_set(other.m_final_set),
m_final_states(other.m_final_states)
{}
// create the automaton that accepts the empty string only.
static automaton* mk_epsilon(M& m) {
moves mvs;
unsigned_vector final;
final.push_back(0);
return alloc(automaton, m, 0, final, mvs);
}
// create the automaton with a single state on condition t.
static automaton* mk_loop(M& m, T* t) {
moves mvs;
unsigned_vector final;
final.push_back(0);
mvs.push_back(move(m, 0, 0, t));
return alloc(automaton, m, 0, final, mvs);
}
// create the sum of disjoint automata
static automaton* mk_union(automaton const& a, automaton const& b) {
SASSERT(&a.m == &b.m);
M& m = a.m;
moves mvs;
unsigned_vector final;
unsigned offset1 = 1;
unsigned offset2 = a.num_states() + 1;
mvs.push_back(move(m, 0, a.init() + offset1));
mvs.push_back(move(m, 0, b.init() + offset2));
append_moves(offset1, a, mvs);
append_moves(offset2, b, mvs);
append_final(offset1, a, final);
append_final(offset2, b, final);
return alloc(automaton, m, 0, final, mvs);
}
static automaton* mk_opt(automaton const& a) {
M& m = a.m;
moves mvs;
unsigned_vector final;
unsigned offset = 0;
unsigned init = a.init();
if (!a.initial_state_is_source()) {
offset = 1;
init = 0;
mvs.push_back(move(m, 0, a.init() + offset));
}
mvs.push_back(move(m, init, a.final_state() + offset));
append_moves(offset, a, mvs);
append_final(offset, a, final);
return alloc(automaton, m, init, final, mvs);
}
// concatenate accepting languages
static automaton* mk_concat(automaton const& a, automaton const& b) {
SASSERT(&a.m == &b.m);
M& m = a.m;
moves mvs;
unsigned_vector final;
unsigned init = 0;
unsigned offset1 = 1;
unsigned offset2 = a.num_states() + offset1;
mvs.push_back(move(m, 0, a.init() + offset1));
append_moves(offset1, a, mvs);
for (unsigned i = 0; i < a.m_final_states.size(); ++i) {
mvs.push_back(move(m, a.m_final_states[i] + offset1, b.init() + offset2));
}
append_moves(offset2, b, mvs);
append_final(offset2, b, final);
return alloc(automaton, m, init, final, mvs);
}
static automaton* mk_reverse(automaton const& a) {
M& m = a.m;
if (a.is_empty()) {
return alloc(automaton, m);
}
moves mvs;
for (unsigned i = 0; i < a.m_delta.size(); ++i) {
moves const& mvs1 = a.m_delta[i];
for (unsigned j = 0; j < mvs1.size(); ++j) {
move const& mv = mvs1[j];
mvs.push_back(move(m, mv.dst(), mv.src(), mv.t()));
}
}
unsigned_vector final;
unsigned init;
final.push_back(a.init());
if (a.m_final_states.size() == 1) {
init = a.m_final_states[0];
}
else {
init = a.num_states();
for (unsigned i = 0; i < a.m_final_states.size(); ++i) {
mvs.push_back(move(m, init, a.m_final_states[i]));
}
}
return alloc(automaton, m, init, final, mvs);
}
void add_to_final_states(unsigned s) {
if (!is_final_state(s)) {
m_final_set.insert(s);
m_final_states.push_back(s);
}
}
void remove_from_final_states(unsigned s) {
if (is_final_state(s)) {
m_final_set.remove(s);
m_final_states.erase(s);
}
}
void add_init_to_final_states() {
add_to_final_states(init());
}
void add_final_to_init_moves() {
for (unsigned i = 0; i < m_final_states.size(); ++i) {
unsigned state = m_final_states[i];
bool found = false;
moves const& mvs = m_delta[state];
for (unsigned j = 0; found && j < mvs.size(); ++j) {
found = (mvs[j].dst() == m_init) && mvs[j].is_epsilon();
}
if (!found && state != m_init) {
add(move(m, state, m_init));
}
}
}
// remove epsilon transitions
// src - e -> dst
// in_degree(src) = 1, final(src) => final(dst), src0 != src
// src0 - t -> src - e -> dst => src0 - t -> dst
// out_degree(dst) = 1, final(dst) => final(src), dst != dst1
// src - e -> dst - t -> dst1 => src - t -> dst1
// Generalized:
// Src - E -> dst - t -> dst1 => Src - t -> dst1 if dst is final => each Src is final
//
// src - e -> dst - ET -> Dst1 => src - ET -> Dst1 if in_degree(dst) = 1, src != dst
// Src - E -> dst - et -> dst1 => Src - et -> dst1 if out_degree(dst) = 1, src != dst
//
void compress() {
for (unsigned i = 0; i < m_delta.size(); ++i) {
for (unsigned j = 0; j < m_delta[i].size(); ++j) {
move const& mv = m_delta[i][j];
unsigned src = mv.src();
unsigned dst = mv.dst();
SASSERT(src == i);
if (mv.is_epsilon()) {
if (src == dst) {
// just remove this edge.
}
else if (1 == in_degree(src) && 1 == out_degree(src) && init() != src && (!is_final_state(src) || is_final_state(dst))) {
move const& mv0 = m_delta_inv[src][0];
unsigned src0 = mv0.src();
T* t = mv0.t();
SASSERT(mv0.dst() == src);
if (src0 == src) {
continue;
}
add(move(m, src0, dst, t));
remove(src0, src, t);
}
else if (1 == out_degree(dst) && 1 == in_degree(dst) && init() != dst && (!is_final_state(dst) || is_final_state(src))) {
move const& mv1 = m_delta[dst][0];
unsigned dst1 = mv1.dst();
T* t = mv1.t();
SASSERT(mv1.src() == dst);
if (dst1 == dst) {
continue;
}
add(move(m, src, dst1, t));
remove(dst, dst1, t);
}
else if (1 == in_degree(dst) && (!is_final_state(dst) || is_final_state(src)) && init() != dst) {
moves const& mvs = m_delta[dst];
moves mvs1;
for (unsigned k = 0; k < mvs.size(); ++k) {
mvs1.push_back(move(m, src, mvs[k].dst(), mvs[k].t()));
}
for (unsigned k = 0; k < mvs1.size(); ++k) {
remove(dst, mvs1[k].dst(), mvs1[k].t());
add(mvs1[k]);
}
}
//
// Src - E -> dst - et -> dst1 => Src - et -> dst1 if out_degree(dst) = 1, src != dst
//
else if (1 == out_degree(dst) && all_epsilon_in(dst) && init() != dst && !is_final_state(dst)) {
move const& mv = m_delta[dst][0];
unsigned dst1 = mv.dst();
T* t = mv.t();
unsigned_vector src0s;
moves const& mvs = m_delta_inv[dst];
moves mvs1;
for (unsigned k = 0; k < mvs.size(); ++k) {
SASSERT(mvs[k].is_epsilon());
mvs1.push_back(move(m, mvs[k].src(), dst1, t));
}
for (unsigned k = 0; k < mvs1.size(); ++k) {
remove(mvs1[k].src(), dst, 0);
add(mvs1[k]);
}
remove(dst, dst1, t);
--j;
continue;
}
//
// Src1 - ET -> src - e -> dst => Src1 - ET -> dst if out_degree(src) = 1, src != init()
//
else if (1 == out_degree(src) && init() != src && (!is_final_state(src) || is_final_state(dst))) {
moves const& mvs = m_delta_inv[src];
moves mvs1;
for (unsigned k = 0; k < mvs.size(); ++k) {
mvs1.push_back(move(m, mvs[k].src(), dst, mvs[k].t()));
}
for (unsigned k = 0; k < mvs1.size(); ++k) {
remove(mvs1[k].src(), src, mvs1[k].t());
add(mvs1[k]);
}
}
else {
continue;
}
remove(src, dst, 0);
--j;
}
}
}
while (true) {
SASSERT(!m_delta.empty());
unsigned src = m_delta.size() - 1;
if (in_degree(src) == 0 && init() != src) {
remove_from_final_states(src);
m_delta.pop_back();
}
else {
break;
}
}
}
bool is_sequence(unsigned& length) const {
if (is_final_state(m_init) && (out_degree(m_init) == 0 || (out_degree(m_init) == 1 && is_loop_state(m_init)))) {
length = 0;
return true;
}
if (is_empty() || in_degree(m_init) != 0 || out_degree(m_init) != 1) {
return false;
}
length = 1;
unsigned s = get_move_from(m_init).dst();
while (!is_final_state(s)) {
if (out_degree(s) != 1 || in_degree(s) != 1) {
return false;
}
s = get_move_from(s).dst();
++length;
}
return out_degree(s) == 0 || (out_degree(s) == 1 && is_loop_state(s));
}
unsigned init() const { return m_init; }
unsigned in_degree(unsigned state) const { return m_delta_inv[state].size(); }
unsigned out_degree(unsigned state) const { return m_delta[state].size(); }
move const& get_move_from(unsigned state) const { SASSERT(m_delta[state].size() == 1); return m_delta[state][0]; }
move const& get_move_to(unsigned state) const { SASSERT(m_delta_inv[state].size() == 1); return m_delta_inv[state][0]; }
moves const& get_moves_from(unsigned state) const { return m_delta[state]; }
moves const& get_moves_to(unsigned state) const { return m_delta_inv[state]; }
bool initial_state_is_source() const { return m_delta_inv[m_init].empty(); }
bool is_final_state(unsigned s) const { return m_final_set.contains(s); }
bool is_epsilon_free() const {
for (unsigned i = 0; i < m_delta.size(); ++i) {
moves const& mvs = m_delta[i];
for (unsigned j = 0; j < mvs.size(); ++j) {
if (!mvs[j].t()) return false;
}
}
return true;
}
bool all_epsilon_in(unsigned s) {
moves const& mvs = m_delta_inv[s];
for (unsigned j = 0; j < mvs.size(); ++j) {
if (mvs[j].t()) return false;
}
return true;
}
bool is_empty() const { return m_final_states.empty(); }
unsigned final_state() const { return m_final_states[0]; }
bool has_single_final_sink() const { return m_final_states.size() == 1 && m_delta[final_state()].empty(); }
unsigned num_states() const { return m_delta.size(); }
bool is_loop_state(unsigned s) const {
moves mvs;
get_moves_from(s, mvs);
for (unsigned i = 0; i < mvs.size(); ++i) {
if (s == mvs[i].dst()) return true;
}
return false;
}
unsigned move_count() const {
unsigned result = 0;
for (unsigned i = 0; i < m_delta.size(); result += m_delta[i].size(), ++i) {}
return result;
}
void get_epsilon_closure(unsigned state, unsigned_vector& states) {
get_epsilon_closure(state, m_delta, states);
}
void get_inv_epsilon_closure(unsigned state, unsigned_vector& states) {
get_epsilon_closure(state, m_delta_inv, states);
}
void get_moves_from(unsigned state, moves& mvs, bool epsilon_closure = true) const {
get_moves(state, m_delta, mvs, epsilon_closure);
}
void get_moves_to(unsigned state, moves& mvs, bool epsilon_closure = true) {
get_moves(state, m_delta_inv, mvs, epsilon_closure);
}
template<class D>
std::ostream& display(std::ostream& out, D& displayer = D()) const {
out << "init: " << init() << "\n";
out << "final: ";
for (unsigned i = 0; i < m_final_states.size(); ++i) out << m_final_states[i] << " ";
out << "\n";
for (unsigned i = 0; i < m_delta.size(); ++i) {
moves const& mvs = m_delta[i];
for (unsigned j = 0; j < mvs.size(); ++j) {
move const& mv = mvs[j];
out << i << " -> " << mv.dst() << " ";
if (mv.t()) {
out << "if ";
displayer.display(out, mv.t());
}
out << "\n";
}
}
return out;
}
private:
void remove_dead_states() {
unsigned_vector remap;
for (unsigned i = 0; i < m_delta.size(); ++i) {
}
}
void add(move const& mv) {
m_delta[mv.src()].push_back(mv);
m_delta_inv[mv.dst()].push_back(mv);
}
unsigned find_move(unsigned src, unsigned dst, T* t, moves const& mvs) {
for (unsigned i = 0; i < mvs.size(); ++i) {
move const& mv = mvs[i];
if (mv.src() == src && mv.dst() == dst && t == mv.t()) {
return i;
}
}
UNREACHABLE();
return UINT_MAX;
}
void remove(unsigned src, unsigned dst, T* t, moves& mvs) {
remove(find_move(src, dst, t, mvs), mvs);
}
void remove(unsigned src, unsigned dst, T* t) {
remove(src, dst, t, m_delta[src]);
remove(src, dst, t, m_delta_inv[dst]);
}
void remove(unsigned index, moves& mvs) {
mvs[index] = mvs.back();
mvs.pop_back();
}
mutable unsigned_vector m_states1, m_states2;
void get_moves(unsigned state, vector<moves> const& delta, moves& mvs, bool epsilon_closure) const {
m_states1.reset();
m_states2.reset();
get_epsilon_closure(state, delta, m_states1);
for (unsigned i = 0; i < m_states1.size(); ++i) {
state = m_states1[i];
moves const& mv1 = delta[state];
for (unsigned j = 0; j < mv1.size(); ++j) {
move const& mv = mv1[j];
if (!mv.is_epsilon()) {
if (epsilon_closure) {
m_states2.reset();
get_epsilon_closure(mv.dst(), delta, m_states2);
for (unsigned k = 0; k < m_states2.size(); ++k) {
mvs.push_back(move(m, state, m_states2[k], mv.t()));
}
}
else {
mvs.push_back(move(m, state, mv.dst(), mv.t()));
}
}
}
}
}
void get_epsilon_closure(unsigned state, vector<moves> const& delta, unsigned_vector& states) const {
m_todo.push_back(state);
m_visited.insert(state);
while (!m_todo.empty()) {
state = m_todo.back();
states.push_back(state);
m_todo.pop_back();
moves const& mvs = delta[state];
for (unsigned i = 0; i < mvs.size(); ++i) {
unsigned tgt = mvs[i].dst();
if (mvs[i].is_epsilon() && !m_visited.contains(tgt)) {
m_visited.insert(tgt);
m_todo.push_back(tgt);
}
}
}
m_visited.reset();
SASSERT(m_todo.empty());
}
static void append_moves(unsigned offset, automaton const& a, moves& mvs) {
for (unsigned i = 0; i < a.num_states(); ++i) {
moves const& mvs1 = a.m_delta[i];
for (unsigned j = 0; j < mvs1.size(); ++j) {
move const& mv = mvs1[j];
mvs.push_back(move(a.m, mv.src() + offset, mv.dst() + offset, mv.t()));
}
}
}
static void append_final(unsigned offset, automaton const& a, unsigned_vector& final) {
for (unsigned i = 0; i < a.m_final_states.size(); ++i) {
final.push_back(a.m_final_states[i]+offset);
}
}
};
typedef automaton<unsigned> uautomaton;
#endif

1
src/muz/pdr/pdr_context.cpp
View file

@ -1158,7 +1158,6 @@ namespace pdr {
while (!todo.empty()) {
model_node* n = todo.back();
model* md = 0;
ast_manager& m = n->pt().get_manager();
if (!n->get_model_ptr()) {
if (models.find(n->state(), md)) {
TRACE("pdr", tout << n->state() << "\n";);

18
src/muz/rel/dl_mk_simple_joins.cpp
View file

@ -11,7 +11,7 @@ Abstract:
Author:
Leonardo de Moura (leonardo) 2010-05-20.
Krystof Hoder 2010-05-20.
Revision History:
@ -301,13 +301,10 @@ namespace datalog {
}
pair_info & get_pair(app_pair key) const {
return *m_costs.find(key);
}
void remove_rule_from_pair(app_pair key, rule * r, unsigned original_len) {
pair_info * ptr = &get_pair(key);
if (ptr->remove_rule(r, original_len)) {
pair_info * ptr = 0;
if (m_costs.find(key, ptr) && ptr &&
ptr->remove_rule(r, original_len)) {
SASSERT(ptr->m_rules.empty());
m_costs.remove(key);
dealloc(ptr);
@ -362,7 +359,12 @@ namespace datalog {
void join_pair(app_pair pair_key) {
app * t1 = pair_key.first;
app * t2 = pair_key.second;
pair_info & inf = get_pair(pair_key);
pair_info* infp = 0;
if (!m_costs.find(pair_key, infp) || !infp) {
UNREACHABLE();
return;
}
pair_info & inf = *infp;
SASSERT(!inf.m_rules.empty());
var_idx_set & output_vars = inf.m_all_nonlocal_vars;
expr_ref_vector args(m);

16
src/parsers/smt2/smt2scanner.cpp
View file

@ -169,24 +169,16 @@ namespace smt2 {
char c = curr();
if (c == EOF)
throw scanner_exception("unexpected end of string", m_line, m_spos);
if (c == '\"') {
if (c == '\n') {
new_line();
}
else if (c == '\"') {
next();
if (curr() != '\"') {
m_string.push_back(0);
return STRING_TOKEN;
}
}
else if (c == '\n') {
new_line();
}
else if (c == '\\') {
next();
c = curr();
if (c == EOF)
throw scanner_exception("unexpected end of string", m_line, m_spos);
if (c != '\\' && c != '\"')
throw scanner_exception("invalid escape sequence", m_line, m_spos);
}
m_string.push_back(c);
next();
}

6
src/sat/sat_asymm_branch.cpp
View file

@ -78,8 +78,12 @@ namespace sat {
clause_vector::iterator end = s.m_clauses.end();
try {
for (; it != end; ++it) {
if (s.inconsistent())
if (s.inconsistent()) {
for (; it != end; ++it, ++it2) {
*it2 = *it;
}
break;
}
SASSERT(s.m_qhead == s.m_trail.size());
if (m_counter < limit || s.inconsistent()) {
*it2 = *it;

1
src/sat/sat_clause.cpp
View file

@ -169,6 +169,7 @@ namespace sat {
#endif
void * mem = m_allocator.allocate(size);
clause * cls = new (mem) clause(m_id_gen.mk(), num_lits, lits, learned);
TRACE("sat", tout << "alloc: " << cls->id() << " " << cls << " " << *cls << " " << (learned?"l":"a") << "\n";);
SASSERT(!learned || cls->is_learned());
return cls;
}

1
src/shell/smtlib_frontend.cpp
View file

@ -33,7 +33,6 @@ Revision History:
#include"smt_solver.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;

2
src/smt/mam.cpp
View file

@ -3936,7 +3936,7 @@ namespace smt {
}
virtual bool is_shared(enode * n) const {
return m_shared_enodes.contains(n);
return !m_shared_enodes.empty() && m_shared_enodes.contains(n);
}
// This method is invoked when n becomes relevant.

6
src/smt/smt_context.cpp
View file

@ -1382,7 +1382,8 @@ namespace smt {
bool_var v = l.var();
bool_var_data & d = get_bdata(v);
lbool val = get_assignment(v);
TRACE("propagate_atoms", tout << "propagating atom, #" << bool_var2expr(v)->get_id() << ", is_enode(): " << d.is_enode() << " " << l << "\n";);
TRACE("propagate_atoms", tout << "propagating atom, #" << bool_var2expr(v)->get_id() << ", is_enode(): " << d.is_enode()
<< " tag: " << (d.is_eq()?"eq":"") << (d.is_theory_atom()?"th":"") << (d.is_quantifier()?"q":"") << " " << l << "\n";);
SASSERT(val != l_undef);
if (d.is_enode())
propagate_bool_var_enode(v);
@ -4024,8 +4025,9 @@ namespace smt {
return false;
}
case 1: {
if (m_qmanager->is_shared(n))
if (m_qmanager->is_shared(n)) {
return true;
}
// the variabe is shared if the equivalence class of n
// contains a parent application.

3
src/smt/smt_enode.h
View file

@ -114,6 +114,7 @@ namespace smt {
friend class euf_manager;
friend class conflict_resolution;
theory_var_list * get_th_var_list() {
return m_th_var_list.get_th_var() == null_theory_var ? 0 : &m_th_var_list;
}
@ -170,6 +171,7 @@ namespace smt {
m_interpreted = true;
}
void del_eh(ast_manager & m, bool update_children_parent = true);
app * get_owner() const {
@ -192,6 +194,7 @@ namespace smt {
return m_owner->hash();
}
enode * get_root() const {
return m_root;
}

5
src/smt/smt_model_generator.cpp
View file

@ -90,7 +90,9 @@ namespace smt {
sort * s = m_manager.get_sort(r->get_owner());
model_value_proc * proc = 0;
if (m_manager.is_bool(s)) {
SASSERT(m_context->get_assignment(r) == l_true || m_context->get_assignment(r) == l_false);
CTRACE("func_interp_bug", m_context->get_assignment(r) == l_undef,
tout << mk_pp(r->get_owner(), m_manager) << "\n";);
SASSERT(m_context->get_assignment(r) != l_undef);
if (m_context->get_assignment(r) == l_true)
proc = alloc(expr_wrapper_proc, m_manager.mk_true());
else
@ -359,6 +361,7 @@ namespace smt {
}
else {
enode * child = d.get_enode();
TRACE("mg_top_sort", tout << "#" << n->get_owner_id() << " (" << mk_pp(n->get_owner(), m_manager) << "): " << mk_pp(child->get_owner(), m_manager) << " " << mk_pp(child->get_root()->get_owner(), m_manager) << "\n";);
child = child->get_root();
app * val = 0;
m_root2value.find(child, val);

8
src/smt/smt_quantifier.cpp
View file

@ -396,12 +396,14 @@ namespace smt {
scoped_ptr<model_checker> m_model_checker;
unsigned m_new_enode_qhead;
unsigned m_lazy_matching_idx;
bool m_active;
public:
default_qm_plugin():
m_qm(0),
m_context(0),
m_new_enode_qhead(0),
m_lazy_matching_idx(0) {
m_lazy_matching_idx(0),
m_active(false) {
}
virtual ~default_qm_plugin() {
@ -443,6 +445,7 @@ namespace smt {
*/
virtual void add(quantifier * q) {
if (m_fparams->m_mbqi && mbqi_enabled(q)) {
m_active = true;
m_model_finder->register_quantifier(q);
}
}
@ -475,6 +478,7 @@ namespace smt {
}
virtual void assign_eh(quantifier * q) {
m_active = true;
if (m_fparams->m_ematching) {
bool has_unary_pattern = false;
unsigned num_patterns = q->get_num_patterns();
@ -537,7 +541,7 @@ namespace smt {
}
virtual bool is_shared(enode * n) const {
return (m_mam->is_shared(n) || m_lazy_mam->is_shared(n));
return m_active && (m_mam->is_shared(n) || m_lazy_mam->is_shared(n));
}
virtual void adjust_model(proto_model * m) {

2
src/smt/smt_setup.cpp
View file

@ -815,7 +815,7 @@ namespace smt {
}
void setup::setup_seq() {
m_context.register_plugin(alloc(theory_seq_empty, m_manager));
m_context.register_plugin(alloc(theory_seq, m_manager));
}
void setup::setup_card() {

8
src/smt/theory_arith.h
View file

@ -429,6 +429,7 @@ namespace smt {
arith_util m_util;
arith_eq_solver m_arith_eq_solver;
bool m_found_unsupported_op;
bool m_found_underspecified_op;
arith_eq_adapter m_arith_eq_adapter;
vector<row> m_rows;
svector<unsigned> m_dead_rows;
@ -510,6 +511,7 @@ namespace smt {
virtual theory_var mk_var(enode * n);
void found_unsupported_op(app * n);
void found_underspecified_op(app * n);
bool has_var(expr * v) const { return get_context().e_internalized(v) && get_context().get_enode(v)->get_th_var(get_id()) != null_theory_var; }
theory_var expr2var(expr * v) const { SASSERT(get_context().e_internalized(v)); return get_context().get_enode(v)->get_th_var(get_id()); }
@ -1056,6 +1058,10 @@ namespace smt {
// -----------------------------------
virtual bool get_value(enode * n, expr_ref & r);
bool get_lower(enode* n, expr_ref& r);
bool get_upper(enode* n, expr_ref& r);
bool to_expr(inf_numeral const& val, bool is_int, expr_ref& r);
// -----------------------------------
//
@ -1071,6 +1077,8 @@ namespace smt {
unsigned num_eqs, enode_pair const * eqs,
unsigned num_params, parameter* params);
inf_eps_rational<inf_rational> conflict_minimize();
private:
virtual expr_ref mk_gt(theory_var v);

4
src/smt/theory_arith_aux.h
View file

@ -2153,10 +2153,14 @@ namespace smt {
*/
template<typename Ext>
bool theory_arith<Ext>::is_shared(theory_var v) const {
if (!m_found_underspecified_op) {
return false;
}
enode * n = get_enode(v);
enode * r = n->get_root();
enode_vector::const_iterator it = r->begin_parents();
enode_vector::const_iterator end = r->end_parents();
TRACE("shared", tout << get_context().get_scope_level() << " " << v << " " << r->get_num_parents() << "\n";);
for (; it != end; ++it) {
enode * parent = *it;
app * o = parent->get_owner();

53
src/smt/theory_arith_core.h
View file

@ -37,6 +37,15 @@ namespace smt {
}
}
template<typename Ext>
void theory_arith<Ext>::found_underspecified_op(app * n) {
if (!m_found_underspecified_op) {
TRACE("arith", tout << "found non underspecificed expression:\n" << mk_pp(n, get_manager()) << "\n";);
get_context().push_trail(value_trail<context, bool>(m_found_underspecified_op));
m_found_underspecified_op = true;
}
}
template<typename Ext>
bool theory_arith<Ext>::process_atoms() const {
if (!adaptive())
@ -308,6 +317,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_div(app * n) {
found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
if (!ctx.relevancy())
@ -317,6 +327,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_idiv(app * n) {
found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
app * mod = m_util.mk_mod(n->get_arg(0), n->get_arg(1));
@ -329,6 +340,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_mod(app * n) {
TRACE("arith_mod", tout << "internalizing...\n" << mk_pp(n, get_manager()) << "\n";);
found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
if (!ctx.relevancy())
@ -338,6 +350,7 @@ namespace smt {
template<typename Ext>
theory_var theory_arith<Ext>::internalize_rem(app * n) {
found_underspecified_op(n);
theory_var s = mk_binary_op(n);
context & ctx = get_context();
if (!ctx.relevancy()) {
@ -1514,6 +1527,7 @@ namespace smt {
m_util(m),
m_arith_eq_solver(m),
m_found_unsupported_op(false),
m_found_underspecified_op(false),
m_arith_eq_adapter(*this, params, m_util),
m_asserted_qhead(0),
m_to_patch(1024),
@ -3088,21 +3102,36 @@ namespace smt {
//
// -----------------------------------
template<typename Ext>
bool theory_arith<Ext>::to_expr(inf_numeral const& val, bool is_int, expr_ref & r) {
if (val.get_infinitesimal().is_zero()) {
numeral _val = val.get_rational();
r = m_util.mk_numeral(_val.to_rational(), is_int);
return true;
}
else {
return false;
}
}
template<typename Ext>
bool theory_arith<Ext>::get_value(enode * n, expr_ref & r) {
theory_var v = n->get_th_var(get_id());
if (v == null_theory_var) {
// TODO: generate fresh value different from other get_value(v) for all v.
return false;
}
inf_numeral const & val = get_value(v);
if (!val.get_infinitesimal().is_zero()) {
// TODO: add support for infinitesimals
return false;
}
numeral _val = val.get_rational();
r = m_util.mk_numeral(_val.to_rational(), is_int(v));
return true;
return v != null_theory_var && to_expr(get_value(v), is_int(v), r);
}
template<typename Ext>
bool theory_arith<Ext>::get_lower(enode * n, expr_ref & r) {
theory_var v = n->get_th_var(get_id());
bound* b = (v == null_theory_var) ? 0 : lower(v);
return b && to_expr(b->get_value(), is_int(v), r);
}
template<typename Ext>
bool theory_arith<Ext>::get_upper(enode * n, expr_ref & r) {
theory_var v = n->get_th_var(get_id());
bound* b = (v == null_theory_var) ? 0 : upper(v);
return b && to_expr(b->get_value(), is_int(v), r);
}
// -----------------------------------

43
src/smt/theory_bv.cpp
View file

@ -424,6 +424,39 @@ namespace smt {
};
void theory_bv::add_fixed_eq(theory_var v1, theory_var v2) {
++m_stats.m_num_eq_dynamic;
if (v1 > v2) {
std::swap(v1, v2);
}
unsigned sz = get_bv_size(v1);
ast_manager& m = get_manager();
context & ctx = get_context();
app* o1 = get_enode(v1)->get_owner();
app* o2 = get_enode(v2)->get_owner();
literal oeq = mk_eq(o1, o2, true);
TRACE("bv",
tout << mk_pp(o1, m) << " = " << mk_pp(o2, m) << " "
<< ctx.get_scope_level() << "\n";);
literal_vector eqs;
for (unsigned i = 0; i < sz; ++i) {
literal l1 = m_bits[v1][i];
literal l2 = m_bits[v2][i];
expr_ref e1(m), e2(m);
e1 = mk_bit2bool(o1, i);
e2 = mk_bit2bool(o2, i);
literal eq = mk_eq(e1, e2, true);
ctx.mk_th_axiom(get_id(), l1, ~l2, ~eq);
ctx.mk_th_axiom(get_id(), ~l1, l2, ~eq);
ctx.mk_th_axiom(get_id(), l1, l2, eq);
ctx.mk_th_axiom(get_id(), ~l1, ~l2, eq);
ctx.mk_th_axiom(get_id(), eq, ~oeq);
eqs.push_back(~eq);
}
eqs.push_back(oeq);
ctx.mk_th_axiom(get_id(), eqs.size(), eqs.c_ptr());
}
void theory_bv::fixed_var_eh(theory_var v) {
numeral val;
bool r = get_fixed_value(v, val);
@ -443,7 +476,9 @@ namespace smt {
display_var(tout, v);
display_var(tout, v2););
m_stats.m_num_th2core_eq++;
add_fixed_eq(v, v2);
ctx.assign_eq(get_enode(v), get_enode(v2), eq_justification(js));
m_fixed_var_table.insert(key, v2);
}
}
else {
@ -1177,6 +1212,7 @@ namespace smt {
}
void theory_bv::assign_bit(literal consequent, theory_var v1, theory_var v2, unsigned idx, literal antecedent, bool propagate_eqc) {
m_stats.m_num_bit2core++;
context & ctx = get_context();
SASSERT(ctx.get_assignment(antecedent) == l_true);
@ -1192,6 +1228,12 @@ namespace smt {
}
else {
ctx.assign(consequent, mk_bit_eq_justification(v1, v2, consequent, antecedent));
literal_vector lits;
lits.push_back(~consequent);
lits.push_back(antecedent);
lits.push_back(~mk_eq(get_enode(v1)->get_owner(), get_enode(v2)->get_owner(), false));
ctx.mk_th_axiom(get_id(), lits.size(), lits.c_ptr());
if (m_wpos[v2] == idx)
find_wpos(v2);
// REMARK: bit_eq_justification is marked as a theory_bv justification.
@ -1601,6 +1643,7 @@ namespace smt {
st.update("bv dynamic diseqs", m_stats.m_num_diseq_dynamic);
st.update("bv bit2core", m_stats.m_num_bit2core);
st.update("bv->core eq", m_stats.m_num_th2core_eq);
st.update("bv dynamic eqs", m_stats.m_num_eq_dynamic);
}
#ifdef Z3DEBUG

3
src/smt/theory_bv.h
View file

@ -34,6 +34,7 @@ namespace smt {
struct theory_bv_stats {
unsigned m_num_diseq_static, m_num_diseq_dynamic, m_num_bit2core, m_num_th2core_eq, m_num_conflicts;
unsigned m_num_eq_dynamic;
void reset() { memset(this, 0, sizeof(theory_bv_stats)); }
theory_bv_stats() { reset(); }
};
@ -124,6 +125,7 @@ namespace smt {
typedef std::pair<numeral, unsigned> value_sort_pair;
typedef pair_hash<obj_hash<numeral>, unsigned_hash> value_sort_pair_hash;
typedef map<value_sort_pair, theory_var, value_sort_pair_hash, default_eq<value_sort_pair> > value2var;
value2var m_fixed_var_table;
literal_vector m_tmp_literals;
@ -166,6 +168,7 @@ namespace smt {
void find_wpos(theory_var v);
friend class fixed_eq_justification;
void fixed_var_eh(theory_var v);
void add_fixed_eq(theory_var v1, theory_var v2);
bool get_fixed_value(theory_var v, numeral & result) const;
void internalize_num(app * n);
void internalize_add(app * n);

2
src/smt/theory_fpa.cpp
View file

@ -235,7 +235,7 @@ namespace smt {
SASSERT(mpzm.is_int64(exp_u));
scoped_mpf f(mpfm);
mpfm.set(f, m_ebits, m_sbits, mpzm.is_one(sgn_z), sig_z, mpzm.get_int64(exp_u));
mpfm.set(f, m_ebits, m_sbits, mpzm.is_one(sgn_z), mpzm.get_int64(exp_u), sig_z);
result = m_fu.mk_value(f);
TRACE("t_fpa", tout << "fpa_value_proc::mk_value [" <<

2661
src/smt/theory_seq.cpp
View file

File diff suppressed because it is too large Load diff

488
src/smt/theory_seq.h
View file

@ -25,15 +25,24 @@ Revision History:
#include "th_rewriter.h"
#include "ast_trail.h"
#include "scoped_vector.h"
#include "scoped_ptr_vector.h"
#include "automaton.h"
#include "seq_rewriter.h"
namespace smt {
class theory_seq : public theory {
typedef scoped_dependency_manager<enode_pair> enode_pair_dependency_manager;
typedef enode_pair_dependency_manager::dependency enode_pair_dependency;
struct assumption {
enode* n1, *n2;
literal lit;
assumption(enode* n1, enode* n2): n1(n1), n2(n2), lit(null_literal) {}
assumption(literal lit): n1(0), n2(0), lit(lit) {}
};
typedef scoped_dependency_manager<assumption> dependency_manager;
typedef dependency_manager::dependency dependency;
typedef trail_stack<theory_seq> th_trail_stack;
typedef std::pair<expr*, enode_pair_dependency*> expr_dep;
typedef std::pair<expr*, dependency*> expr_dep;
typedef obj_map<expr, expr_dep> eqdep_map_t;
// cache to track evaluations under equalities
@ -52,27 +61,30 @@ namespace smt {
class solution_map {
enum map_update { INS, DEL };
ast_manager& m;
enode_pair_dependency_manager& m_dm;
dependency_manager& m_dm;
eqdep_map_t m_map;
eval_cache m_cache;
expr_ref_vector m_lhs, m_rhs;
ptr_vector<enode_pair_dependency> m_deps;
ptr_vector<dependency> m_deps;
svector<map_update> m_updates;
unsigned_vector m_limit;
void add_trail(map_update op, expr* l, expr* r, enode_pair_dependency* d);
void add_trail(map_update op, expr* l, expr* r, dependency* d);
public:
solution_map(ast_manager& m, enode_pair_dependency_manager& dm):
solution_map(ast_manager& m, dependency_manager& dm):
m(m), m_dm(dm), m_cache(m), m_lhs(m), m_rhs(m) {}
bool empty() const { return m_map.empty(); }
void update(expr* e, expr* r, enode_pair_dependency* d);
bool empty() const { return m_map.empty(); }
void update(expr* e, expr* r, dependency* d);
void add_cache(expr* v, expr_dep& r) { m_cache.insert(v, r); }
bool find_cache(expr* v, expr_dep& r) { return m_cache.find(v, r); }
expr* find(expr* e, enode_pair_dependency*& d);
void cache(expr* e, expr* r, enode_pair_dependency* d);
void push_scope() { m_limit.push_back(m_updates.size()); }
void pop_scope(unsigned num_scopes);
void display(std::ostream& out) const;
expr* find(expr* e, dependency*& d);
expr* find(expr* e);
bool is_root(expr* e) const;
void cache(expr* e, expr* r, dependency* d);
void reset_cache() { m_cache.reset(); }
void push_scope() { m_limit.push_back(m_updates.size()); }
void pop_scope(unsigned num_scopes);
void display(std::ostream& out) const;
};
// Table of current disequalities
@ -94,55 +106,308 @@ namespace smt {
};
// Asserted or derived equality with dependencies
struct eq {
expr_ref m_lhs;
expr_ref m_rhs;
enode_pair_dependency* m_dep;
eq(expr_ref& l, expr_ref& r, enode_pair_dependency* d):
m_lhs(l), m_rhs(r), m_dep(d) {}
eq(eq const& other): m_lhs(other.m_lhs), m_rhs(other.m_rhs), m_dep(other.m_dep) {}
eq& operator=(eq const& other) { m_lhs = other.m_lhs; m_rhs = other.m_rhs; m_dep = other.m_dep; return *this; }
class eq {
unsigned m_id;
expr_ref_vector m_lhs;
expr_ref_vector m_rhs;
dependency* m_dep;
public:
eq(unsigned id, expr_ref_vector& l, expr_ref_vector& r, dependency* d):
m_id(id), m_lhs(l), m_rhs(r), m_dep(d) {}
eq(eq const& other): m_id(other.m_id), m_lhs(other.m_lhs), m_rhs(other.m_rhs), m_dep(other.m_dep) {}
eq& operator=(eq const& other) {
if (this != &other) {
m_lhs.reset();
m_rhs.reset();
m_lhs.append(other.m_lhs);
m_rhs.append(other.m_rhs);
m_dep = other.m_dep;
m_id = other.m_id;
}
return *this;
}
expr_ref_vector const& ls() const { return m_lhs; }
expr_ref_vector const& rs() const { return m_rhs; }
dependency* dep() const { return m_dep; }
unsigned id() const { return m_id; }
};
eq mk_eqdep(expr* l, expr* r, dependency* dep) {
expr_ref_vector ls(m), rs(m);
m_util.str.get_concat(l, ls);
m_util.str.get_concat(r, rs);
return eq(m_eq_id++, ls, rs, dep);
}
class ne2 {
vector<expr_ref_vector> m_lhs;
vector<expr_ref_vector> m_rhs;
literal_vector m_lits;
dependency* m_dep;
public:
ne2(expr_ref_vector const& l, expr_ref_vector const& r, dependency* dep):
m_dep(dep) {
m_lhs.push_back(l);
m_rhs.push_back(r);
}
ne2(ne2 const& other):
m_lhs(other.m_lhs), m_rhs(other.m_rhs), m_lits(other.m_lits), m_dep(other.m_dep) {}
ne2& operator=(ne2 const& other) {
if (this != &other) {
m_lhs.reset(); m_lhs.append(other.m_lhs);
m_rhs.reset(); m_rhs.append(other.m_rhs);
m_lits.reset(); m_lits.append(other.m_lits);
m_dep = other.m_dep;
}
return *this;
}
vector<expr_ref_vector> const& ls() const { return m_lhs; }
vector<expr_ref_vector> const& rs() const { return m_rhs; }
expr_ref_vector const& ls(unsigned i) const { return m_lhs[i]; }
expr_ref_vector const& rs(unsigned i) const { return m_rhs[i]; }
literal_vector const& lits() const { return m_lits; }
literal lits(unsigned i) const { return m_lits[i]; }
dependency* dep() const { return m_dep; }
};
// asserted or derived disqequality with dependencies
struct ne {
bool m_solved;
expr_ref m_l, m_r;
expr_ref_vector m_lhs;
expr_ref_vector m_rhs;
literal_vector m_lits;
dependency* m_dep;
ne(expr_ref& l, expr_ref& r):
m_solved(false), m_l(l), m_r(r), m_lhs(l.get_manager()), m_rhs(r.get_manager()), m_dep(0) {
m_lhs.push_back(l);
m_rhs.push_back(r);
}
ne(ne const& other):
m_solved(other.m_solved), m_l(other.m_l), m_r(other.m_r), m_lhs(other.m_lhs), m_rhs(other.m_rhs), m_lits(other.m_lits), m_dep(other.m_dep) {}
ne& operator=(ne const& other) {
m_solved = other.m_solved;
m_l = other.m_l;
m_r = other.m_r;
m_lhs.reset(); m_lhs.append(other.m_lhs);
m_rhs.reset(); m_rhs.append(other.m_rhs);
m_lits.reset(); m_lits.append(other.m_lits);
m_dep = other.m_dep;
return *this;
}
bool is_solved() const { return m_solved; }
};
class pop_lit : public trail<theory_seq> {
unsigned m_idx;
literal m_lit;
public:
pop_lit(theory_seq& th, unsigned idx): m_idx(idx), m_lit(th.m_nqs[idx].m_lits.back()) {
th.m_nqs.ref(m_idx).m_lits.pop_back();
}
virtual void undo(theory_seq & th) { th.m_nqs.ref(m_idx).m_lits.push_back(m_lit); }
};
class push_lit : public trail<theory_seq> {
unsigned m_idx;
public:
push_lit(theory_seq& th, unsigned idx, literal lit): m_idx(idx) {
th.m_nqs.ref(m_idx).m_lits.push_back(lit);
}
virtual void undo(theory_seq & th) { th.m_nqs.ref(m_idx).m_lits.pop_back(); }
};
class set_lit : public trail<theory_seq> {
unsigned m_idx;
unsigned m_i;
literal m_lit;
public:
set_lit(theory_seq& th, unsigned idx, unsigned i, literal lit):
m_idx(idx), m_i(i), m_lit(th.m_nqs[idx].m_lits[i]) {
th.m_nqs.ref(m_idx).m_lits[i] = lit;
}
virtual void undo(theory_seq & th) { th.m_nqs.ref(m_idx).m_lits[m_i] = m_lit; }
};
class solved_ne : public trail<theory_seq> {
unsigned m_idx;
public:
solved_ne(theory_seq& th, unsigned idx) : m_idx(idx) { th.m_nqs.ref(idx).m_solved = true; }
virtual void undo(theory_seq& th) { th.m_nqs.ref(m_idx).m_solved = false; }
};
void mark_solved(unsigned idx);
class push_ne : public trail<theory_seq> {
unsigned m_idx;
public:
push_ne(theory_seq& th, unsigned idx, expr* l, expr* r) : m_idx(idx) {
th.m_nqs.ref(m_idx).m_lhs.push_back(l);
th.m_nqs.ref(m_idx).m_rhs.push_back(r);
}
virtual void undo(theory_seq& th) { th.m_nqs.ref(m_idx).m_lhs.pop_back(); th.m_nqs.ref(m_idx).m_rhs.pop_back(); }
};
class pop_ne : public trail<theory_seq> {
expr_ref m_lhs;
expr_ref m_rhs;
unsigned m_idx;
public:
pop_ne(theory_seq& th, unsigned idx):
m_lhs(th.m_nqs[idx].m_lhs.back(), th.m),
m_rhs(th.m_nqs[idx].m_rhs.back(), th.m),
m_idx(idx) {
th.m_nqs.ref(idx).m_lhs.pop_back();
th.m_nqs.ref(idx).m_rhs.pop_back();
}
virtual void undo(theory_seq& th) {
th.m_nqs.ref(m_idx).m_lhs.push_back(m_lhs);
th.m_nqs.ref(m_idx).m_rhs.push_back(m_rhs);
m_lhs.reset();
m_rhs.reset();
}
};
class set_ne : public trail<theory_seq> {
expr_ref m_lhs;
expr_ref m_rhs;
unsigned m_idx;
unsigned m_i;
public:
set_ne(theory_seq& th, unsigned idx, unsigned i, expr* l, expr* r):
m_lhs(th.m_nqs[idx].m_lhs[i], th.m),
m_rhs(th.m_nqs[idx].m_rhs[i], th.m),
m_idx(idx),
m_i(i) {
th.m_nqs.ref(idx).m_lhs[i] = l;
th.m_nqs.ref(idx).m_rhs[i] = r;
}
virtual void undo(theory_seq& th) {
th.m_nqs.ref(m_idx).m_lhs[m_i] = m_lhs;
th.m_nqs.ref(m_idx).m_rhs[m_i] = m_rhs;
m_lhs.reset();
m_rhs.reset();
}
};
class push_dep : public trail<theory_seq> {
dependency* m_dep;
unsigned m_idx;
public:
push_dep(theory_seq& th, unsigned idx, dependency* d): m_dep(th.m_nqs[idx].m_dep), m_idx(idx) {
th.m_nqs.ref(idx).m_dep = d;
}
virtual void undo(theory_seq& th) {
th.m_nqs.ref(m_idx).m_dep = m_dep;
}
};
class apply {
public:
virtual ~apply() {}
virtual void operator()(theory_seq& th) = 0;
};
class replay_length_coherence : public apply {
expr_ref m_e;
public:
replay_length_coherence(ast_manager& m, expr* e) : m_e(e, m) {}
virtual void operator()(theory_seq& th) {
th.check_length_coherence(m_e);
m_e.reset();
}
};
class replay_axiom : public apply {
expr_ref m_e;
public:
replay_axiom(ast_manager& m, expr* e) : m_e(e, m) {}
virtual void operator()(theory_seq& th) {
th.enque_axiom(m_e);
m_e.reset();
}
};
class push_replay : public trail<theory_seq> {
apply* m_apply;
public:
push_replay(apply* app): m_apply(app) {}
virtual void undo(theory_seq& th) {
th.m_replay.push_back(m_apply);
}
};
class pop_branch : public trail<theory_seq> {
unsigned k;
public:
pop_branch(unsigned k): k(k) {}
virtual void undo(theory_seq& th) {
th.m_branch_start.erase(k);
}
};
void erase_index(unsigned idx, unsigned i);
struct stats {
stats() { reset(); }
void reset() { memset(this, 0, sizeof(stats)); }
unsigned m_num_splits;
unsigned m_num_reductions;
unsigned m_propagate_automata;
unsigned m_check_length_coherence;
unsigned m_branch_variable;
unsigned m_solve_nqs;
unsigned m_solve_eqs;
unsigned m_add_axiom;
};
ast_manager& m;
enode_pair_dependency_manager m_dm;
solution_map m_rep; // unification representative.
scoped_vector<eq> m_eqs; // set of current equations.
ast_manager& m;
dependency_manager m_dm;
solution_map m_rep; // unification representative.
scoped_vector<eq> m_eqs; // set of current equations.
scoped_vector<ne> m_nqs; // set of current disequalities.
unsigned m_eq_id;
seq_factory* m_factory; // value factory
expr_ref_vector m_ineqs; // inequalities to check solution against
exclusion_table m_exclude; // set of asserted disequalities.
expr_ref_vector m_axioms; // list of axioms to add.
unsigned m_axioms_head; // index of first axiom to add.
unsigned m_branch_variable_head; // index of first equation to examine.
bool m_incomplete; // is the solver (clearly) incomplete for the fragment.
bool m_has_length; // is length applied
bool m_model_completion; // during model construction, invent values in canonizer
th_rewriter m_rewrite;
seq_util m_util;
arith_util m_autil;
th_trail_stack m_trail_stack;
stats m_stats;
symbol m_prefix_sym;
symbol m_suffix_sym;
symbol m_contains_left_sym;
symbol m_contains_right_sym;
symbol m_left_sym; // split variable left part
symbol m_right_sym; // split variable right part
seq_factory* m_factory; // value factory
exclusion_table m_exclude; // set of asserted disequalities.
expr_ref_vector m_axioms; // list of axioms to add.
obj_hashtable<expr> m_axiom_set;
unsigned m_axioms_head; // index of first axiom to add.
bool m_incomplete; // is the solver (clearly) incomplete for the fragment.
obj_hashtable<expr> m_length; // is length applied
scoped_ptr_vector<apply> m_replay; // set of actions to replay
model_generator* m_mg;
th_rewriter m_rewrite;
seq_rewriter m_seq_rewrite;
seq_util m_util;
arith_util m_autil;
th_trail_stack m_trail_stack;
stats m_stats;
symbol m_prefix, m_suffix, m_contains_left, m_contains_right, m_accept, m_reject;
symbol m_tail, m_nth, m_seq_first, m_seq_last, m_indexof_left, m_indexof_right, m_aut_step;
symbol m_extract_prefix, m_at_left, m_at_right;
ptr_vector<expr> m_todo;
expr_ref_vector m_ls, m_rs, m_lhs, m_rhs;
// maintain automata with regular expressions.
scoped_ptr_vector<eautomaton> m_automata;
obj_map<expr, eautomaton*> m_re2aut;
// queue of asserted atoms
ptr_vector<expr> m_atoms;
unsigned_vector m_atoms_lim;
unsigned m_atoms_qhead;
bool m_new_solution; // new solution added
bool m_new_propagation; // new propagation to core
virtual final_check_status final_check_eh();
virtual bool internalize_atom(app*, bool);
virtual bool internalize_atom(app* atom, bool) { return internalize_term(atom); }
virtual bool internalize_term(app*);
virtual void internalize_eq_eh(app * atom, bool_var v);
virtual void internalize_eq_eh(app * atom, bool_var v) {}
virtual void new_eq_eh(theory_var, theory_var);
virtual void new_diseq_eh(theory_var, theory_var);
virtual void assign_eq(bool_var v, bool is_true);
virtual void assign_eh(bool_var v, bool is_true);
virtual bool can_propagate();
virtual void propagate();
virtual void push_scope_eh();
@ -159,40 +424,61 @@ namespace smt {
virtual void init_model(model_generator & mg);
// final check
bool check_ineqs(); // check if inequalities are violated.
bool simplify_and_solve_eqs(); // solve unitary equalities
bool branch_variable(); // branch on a variable
bool split_variable(); // split a variable
bool is_solved();
bool check_length_coherence();
bool check_length_coherence_tbd();
bool check_ineq_coherence();
bool check_length_coherence(expr* e);
bool propagate_length_coherence(expr* e);
bool pre_process_eqs(bool simplify_or_solve);
bool simplify_eqs();
bool simplify_eq(expr* l, expr* r, enode_pair_dependency* dep);
bool solve_unit_eq(expr* l, expr* r, enode_pair_dependency* dep);
bool solve_basic_eqs();
bool solve_eqs(unsigned start);
bool solve_eq(expr_ref_vector const& l, expr_ref_vector const& r, dependency* dep);
bool simplify_eq(expr_ref_vector& l, expr_ref_vector& r, dependency* dep);
bool solve_unit_eq(expr* l, expr* r, dependency* dep);
bool solve_unit_eq(expr_ref_vector const& l, expr_ref_vector const& r, dependency* dep);
bool is_binary_eq(expr_ref_vector const& l, expr_ref_vector const& r, expr*& x, ptr_vector<expr>& xunits, ptr_vector<expr>& yunits, expr*& y);
bool solve_binary_eq(expr_ref_vector const& l, expr_ref_vector const& r, dependency* dep);
bool propagate_max_length(expr* l, expr* r, dependency* dep);
expr_ref mk_concat(unsigned n, expr*const* es) { return expr_ref(m_util.str.mk_concat(n, es), m); }
expr_ref mk_concat(expr_ref_vector const& es) { return mk_concat(es.size(), es.c_ptr()); }
expr_ref mk_concat(expr* e1, expr* e2) { return expr_ref(m_util.str.mk_concat(e1, e2), m); }
expr_ref mk_concat(expr* e1, expr* e2, expr* e3) { return expr_ref(m_util.str.mk_concat(e1, e2, e3), m); }
bool solve_nqs(unsigned i);
void solve_ne(unsigned i);
// asserting consequences
void propagate_lit(enode_pair_dependency* dep, literal lit);
void propagate_eq(enode_pair_dependency* dep, enode* n1, enode* n2);
void propagate_eq(bool_var v, expr* e1, expr* e2);
void set_conflict(enode_pair_dependency* dep);
void linearize(dependency* dep, enode_pair_vector& eqs, literal_vector& lits) const;
void propagate_lit(dependency* dep, literal lit) { propagate_lit(dep, 0, 0, lit); }
void propagate_lit(dependency* dep, unsigned n, literal const* lits, literal lit);
void propagate_eq(dependency* dep, enode* n1, enode* n2);
void propagate_eq(literal lit, expr* e1, expr* e2, bool add_to_eqs = false);
void set_conflict(dependency* dep, literal_vector const& lits = literal_vector());
bool find_branch_candidate(expr* l, ptr_vector<expr> const& rs);
bool assume_equality(expr* l, expr* r);
u_map<unsigned> m_branch_start;
void insert_branch_start(unsigned k, unsigned s);
unsigned find_branch_start(unsigned k);
bool find_branch_candidate(unsigned& start, dependency* dep, expr_ref_vector const& ls, expr_ref_vector const& rs);
bool can_be_equal(unsigned szl, expr* const* ls, unsigned szr, expr* const* rs) const;
lbool assume_equality(expr* l, expr* r);
// variable solving utilities
bool occurs(expr* a, expr* b);
bool occurs(expr* a, expr_ref_vector const& b);
bool is_var(expr* b);
void add_solution(expr* l, expr* r, enode_pair_dependency* dep);
bool is_left_select(expr* a, expr*& b);
bool is_right_select(expr* a, expr*& b);
expr_ref canonize(expr* e, enode_pair_dependency*& eqs);
expr_ref expand(expr* e, enode_pair_dependency*& eqs);
void add_dependency(enode_pair_dependency*& dep, enode* a, enode* b);
bool add_solution(expr* l, expr* r, dependency* dep);
bool is_nth(expr* a) const;
bool is_tail(expr* a, expr*& s, unsigned& idx) const;
expr_ref mk_nth(expr* s, expr* idx);
expr_ref mk_last(expr* e);
expr_ref canonize(expr* e, dependency*& eqs);
bool canonize(expr* e, expr_ref_vector& es, dependency*& eqs);
bool canonize(expr_ref_vector const& es, expr_ref_vector& result, dependency*& eqs);
expr_ref expand(expr* e, dependency*& eqs);
void add_dependency(dependency*& dep, enode* a, enode* b);
void get_concat(expr* e, ptr_vector<expr>& concats);
// terms whose meaning are encoded using axioms.
void enque_axiom(expr* e);
@ -202,28 +488,80 @@ namespace smt {
void add_replace_axiom(expr* e);
void add_extract_axiom(expr* e);
void add_length_axiom(expr* n);
void add_length_unit_axiom(expr* n);
void add_length_empty_axiom(expr* n);
void add_length_concat_axiom(expr* n);
void add_length_string_axiom(expr* n);
bool has_length(expr *e) const { return m_length.contains(e); }
void add_length(expr* e);
void enforce_length(enode* n);
void enforce_length_coherence(enode* n1, enode* n2);
void add_elim_string_axiom(expr* n);
void add_at_axiom(expr* n);
void add_in_re_axiom(expr* n);
literal mk_literal(expr* n);
literal mk_eq_empty(expr* n);
literal mk_equals(expr* a, expr* b);
void tightest_prefix(expr* s, expr* x, literal lit, literal lit2 = null_literal);
expr* mk_sub(expr* a, expr* b);
expr_ref mk_sub(expr* a, expr* b);
enode* ensure_enode(expr* a);
// arithmetic integration
bool lower_bound(expr* s, rational& lo);
bool upper_bound(expr* s, rational& hi);
bool get_length(expr* s, rational& val);
void mk_decompose(expr* e, expr_ref& head, expr_ref& tail);
expr_ref mk_skolem(symbol const& s, expr* e1, expr* e2 = 0, expr* e3 = 0, sort* range = 0);
bool is_skolem(symbol const& s, expr* e) const;
void set_incomplete(app* term);
// automata utilities
void propagate_in_re(expr* n, bool is_true);
eautomaton* get_automaton(expr* e);
literal mk_accept(expr* s, expr* idx, expr* re, expr* state);
literal mk_accept(expr* s, expr* idx, expr* re, unsigned i) { return mk_accept(s, idx, re, m_autil.mk_int(i)); }
bool is_accept(expr* acc) const { return is_skolem(m_accept, acc); }
bool is_accept(expr* acc, expr*& s, expr*& idx, expr*& re, unsigned& i, eautomaton*& aut) {
return is_acc_rej(m_accept, acc, s, idx, re, i, aut);
}
literal mk_reject(expr* s, expr* idx, expr* re, expr* state);
literal mk_reject(expr* s, expr* idx, expr* re, unsigned i) { return mk_reject(s, idx, re, m_autil.mk_int(i)); }
bool is_reject(expr* rej) const { return is_skolem(m_reject, rej); }
bool is_reject(expr* rej, expr*& s, expr*& idx, expr*& re, unsigned& i, eautomaton*& aut) {
return is_acc_rej(m_reject, rej, s, idx, re, i, aut);
}
bool is_acc_rej(symbol const& ar, expr* e, expr*& s, expr*& idx, expr*& re, unsigned& i, eautomaton*& aut);
expr_ref mk_step(expr* s, expr* tail, expr* re, unsigned i, unsigned j, expr* t);
bool is_step(expr* e, expr*& s, expr*& tail, expr*& re, expr*& i, expr*& j, expr*& t) const;
bool is_step(expr* e) const;
void propagate_step(literal lit, expr* n);
bool add_reject2reject(expr* rej);
bool add_accept2step(expr* acc);
bool add_step2accept(expr* step);
bool add_prefix2prefix(expr* e);
bool add_suffix2suffix(expr* e);
bool add_contains2contains(expr* e);
void ensure_nth(literal lit, expr* s, expr* idx);
bool canonizes(bool sign, expr* e);
void propagate_non_empty(literal lit, expr* s);
void propagate_is_conc(expr* e, expr* conc);
void propagate_acc_rej_length(literal lit, expr* acc_rej);
bool propagate_automata();
void add_atom(expr* e);
void new_eq_eh(dependency* dep, enode* n1, enode* n2);
// diagnostics
void display_equations(std::ostream& out) const;
void display_deps(std::ostream& out, enode_pair_dependency* deps) const;
void display_disequations(std::ostream& out) const;
void display_disequation(std::ostream& out, ne const& e) const;
void display_deps(std::ostream& out, dependency* deps) const;
public:
theory_seq(ast_manager& m);
virtual ~theory_seq();
// model building
app* mk_value(app* a);
};
};

7
src/smt/theory_seq_empty.h
View file

@ -30,6 +30,7 @@ namespace smt {
seq_util u;
symbol_set m_strings;
unsigned m_next;
char m_char;
std::string m_unique_prefix;
obj_map<sort, expr*> m_unique_sequences;
expr_ref_vector m_trail;
@ -41,6 +42,7 @@ namespace smt {
m_model(md),
u(m),
m_next(0),
m_char(0),
m_unique_prefix("#B"),
m_trail(m)
{
@ -99,6 +101,11 @@ namespace smt {
expr* v0 = get_fresh_value(seq);
return u.re.mk_to_re(v0);
}
if (u.is_char(s)) {
//char s[2] = { ++m_char, 0 };
//return u.str.mk_char(zstring(s), 0);
return u.str.mk_char(zstring("a"), 0);
}
NOT_IMPLEMENTED_YET();
return 0;
}

8
src/tactic/arith/purify_arith_tactic.cpp
View file

@ -366,7 +366,7 @@ struct purify_arith_proc {
push_cnstr(EQ(x, u().mk_power(k, u().mk_numeral(n, false))));
push_cnstr_pr(result_pr);
}
else if (complete()) {
else {
SASSERT(n.is_even());
// (^ x (/ 1 n)) --> k | x >= 0 implies (x = k^n and k >= 0), x < 0 implies k = neg-root(x, n)
// when n is even
@ -379,9 +379,9 @@ struct purify_arith_proc {
EQ(k, u().mk_neg_root(x, u().mk_numeral(n, false)))));
push_cnstr_pr(result_pr);
}
else {
return BR_FAILED;
}
// else {
// return BR_FAILED;
// }
}
else {
// root not supported for integers.

27
src/tactic/bv/bit_blaster_tactic.h
View file

@ -1,32 +1,33 @@
/*++
/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
Module Name:
bit_blaster_tactic.h
Abstract:
Abstract:
Apply bit-blasting to a given goal.
Author:
Author:
Leonardo (leonardo) 2011-10-25
Notes:
Notes:
--*/
--*/
#ifndef BIT_BLASTER_TACTIC_H_
#define BIT_BLASTER_TACTIC_H_
#include"params.h"
#include"bit_blaster_rewriter.h"
class ast_manager;
class tactic;
#include"params.h"
#include"bit_blaster_rewriter.h"
class ast_manager;
class tactic;
tactic * mk_bit_blaster_tactic(ast_manager & m, params_ref const & p = params_ref());
tactic * mk_bit_blaster_tactic(ast_manager & m, bit_blaster_rewriter* rw, params_ref const & p = params_ref());
/*
/*
ADD_TACTIC("bit-blast", "reduce bit-vector expressions into SAT.", "mk_bit_blaster_tactic(m, p)")
*/
#endif
*/
#endif

20
src/tactic/core/solve_eqs_tactic.cpp
View file

@ -22,7 +22,7 @@ Revision History:
#include"occurs.h"
#include"cooperate.h"
#include"goal_shared_occs.h"
#include"ast_smt2_pp.h"
#include"ast_pp.h"
class solve_eqs_tactic : public tactic {
struct imp {
@ -92,21 +92,23 @@ class solve_eqs_tactic : public tactic {
}
// Use: (= x def) and (= def x)
bool trivial_solve(expr * lhs, expr * rhs, app_ref & var, expr_ref & def, proof_ref & pr) {
bool trivial_solve1(expr * lhs, expr * rhs, app_ref & var, expr_ref & def, proof_ref & pr) {
if (is_uninterp_const(lhs) && !m_candidate_vars.is_marked(lhs) && !occurs(lhs, rhs) && check_occs(lhs)) {
var = to_app(lhs);
def = rhs;
pr = 0;
return true;
}
else if (is_uninterp_const(rhs) && !m_candidate_vars.is_marked(rhs) && !occurs(rhs, lhs) && check_occs(rhs)) {
var = to_app(rhs);
def = lhs;
if (m_produce_proofs)
pr = m().mk_commutativity(m().mk_eq(lhs, rhs));
return true;
else {
return false;
}
return false;
}
bool trivial_solve(expr * lhs, expr * rhs, app_ref & var, expr_ref & def, proof_ref & pr) {
return
trivial_solve1(lhs, rhs, var, def, pr) ||
trivial_solve1(rhs, lhs, var, def, pr);
}
// (ite c (= x t1) (= x t2)) --> (= x (ite c t1 t2))

2
src/tactic/fpa/fpa2bv_model_converter.cpp
View file

@ -132,7 +132,7 @@ expr_ref fpa2bv_model_converter::convert_bv2fp(sort * s, expr * sgn, expr * exp,
mpzm.set(sig_z, sig_q.to_mpq().numerator());
exp_z = mpzm.get_int64(exp_unbiased_q.to_mpq().numerator());
fu.fm().set(fp_val, ebits, sbits, !mpqm.is_zero(sgn_q.to_mpq()), sig_z, exp_z);
fu.fm().set(fp_val, ebits, sbits, !mpqm.is_zero(sgn_q.to_mpq()), exp_z, sig_z);
mpzm.del(sig_z);

3
src/tactic/smtlogics/quant_tactics.cpp
View file

@ -102,7 +102,8 @@ tactic * mk_lra_tactic(ast_manager & m, params_ref const & p) {
or_else(try_for(mk_smt_tactic(), 100),
try_for(qe::mk_sat_tactic(m), 1000),
try_for(mk_smt_tactic(), 1000),
and_then(mk_qe_tactic(m), mk_smt_tactic())));
and_then(mk_qe_tactic(m), mk_smt_tactic())
));
st->updt_params(p);
return st;

32
src/test/algebraic.cpp
View file

@ -19,6 +19,7 @@ Notes:
#include"algebraic_numbers.h"
#include"polynomial_var2value.h"
#include"mpbq.h"
#include"rlimit.h"
static void display_anums(std::ostream & out, scoped_anum_vector const & rs) {
out << "numbers in decimal:\n";
@ -40,14 +41,15 @@ static void display_anums(std::ostream & out, scoped_anum_vector const & rs) {
}
static void tst1() {
reslimit rl;
unsynch_mpq_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
polynomial_ref p(m);
p = 3*x - 2;
algebraic_numbers::manager am(nm);
algebraic_numbers::manager am(rl, nm);
scoped_anum_vector rs1(am);
std::cout << "p: " << p << "\n";
am.isolate_roots(p, rs1);
@ -221,8 +223,9 @@ void tst_mpbq_root() {
static void tst_wilkinson() {
// Test Wilkinson Polynomial
reslimit rl;
unsynch_mpq_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
polynomial_ref p(m);
@ -234,7 +237,7 @@ static void tst_wilkinson() {
}
std::cout << "Wilkinson's polynomial: " << p << "\n";
algebraic_numbers::manager am(nm);
algebraic_numbers::manager am(rl, nm);
scoped_anum_vector rs1(am);
std::cout << "p: " << p << "\n";
am.isolate_roots(p, rs1);
@ -246,8 +249,9 @@ static void tst_wilkinson() {
}
static void tst_dejan() {
reslimit rl;
unsynch_mpq_manager qm;
algebraic_numbers::manager am(qm);
algebraic_numbers::manager am(rl, qm);
scoped_anum two101(am);
am.set(two101, 2);
@ -332,9 +336,10 @@ static void tst_eval_sign(polynomial_ref const & p, anum_manager & am,
static void tst_eval_sign() {
enable_trace("anum_eval_sign");
reslimit rl;
unsynch_mpq_manager qm;
polynomial::manager pm(qm);
algebraic_numbers::manager am(qm);
polynomial::manager pm(rl, qm);
algebraic_numbers::manager am(rl, qm);
polynomial_ref x0(pm);
polynomial_ref x1(pm);
polynomial_ref x2(pm);
@ -412,9 +417,10 @@ static void tst_isolate_roots(polynomial_ref const & p, anum_manager & am,
static void tst_isolate_roots() {
enable_trace("isolate_roots");
reslimit rl;
unsynch_mpq_manager qm;
polynomial::manager pm(qm);
algebraic_numbers::manager am(qm);
polynomial::manager pm(rl, qm);
algebraic_numbers::manager am(rl, qm);
polynomial_ref x0(pm);
polynomial_ref x1(pm);
polynomial_ref x2(pm);
@ -485,7 +491,8 @@ static void pp(polynomial_ref const & p, polynomial::var x) {
static void ex1() {
unsynch_mpq_manager qm;
polynomial::manager pm(qm);
reslimit rl;
polynomial::manager pm(rl, qm);
polynomial_ref x(pm);
polynomial_ref a(pm);
polynomial_ref b(pm);
@ -508,7 +515,7 @@ static void ex1() {
std::cout << "d: " << d << "\n";
std::cout << "h3: "; pp(h3, 0); std::cout << "\n";
algebraic_numbers::manager am(qm);
algebraic_numbers::manager am(rl, qm);
scoped_anum v1(am), v2(am);
am.set(v1, 2);
am.root(v1, 3, v1);
@ -542,8 +549,9 @@ static void ex1() {
}
static void tst_root() {
reslimit rl;
unsynch_mpq_manager qm;
algebraic_numbers::manager am(qm);
algebraic_numbers::manager am(rl, qm);
scoped_anum v1(am), v2(am);
am.set(v1, 4);
am.root(v1, 2, v2);

64
src/test/hilbert_basis.cpp
View file

@ -12,6 +12,7 @@ Copyright (c) 2015 Microsoft Corporation
#include "tactic.h"
#include "tactic2solver.h"
#include "solver.h"
#include "rlimit.h"
#include <signal.h>
#include <time.h>
#include <sstream>
@ -283,7 +284,8 @@ static void saturate_basis(hilbert_basis& hb) {
static void gorrila_test(unsigned seed, unsigned n, unsigned k, unsigned bound, unsigned num_ineqs) {
std::cout << "Gorrila test\n";
random_gen rand(seed);
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
SASSERT(0 < bound);
SASSERT(k <= n);
int ibound = static_cast<int>(bound);
@ -368,7 +370,8 @@ static vector<rational> vec(int i, int j, int k, int l, int x, int y, int z) {
// -y + z <= 0
static void tst1() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec(1,1,-2));
hb.add_eq(vec(1,0,-1));
hb.add_le(vec(0,1,-1));
@ -380,7 +383,8 @@ static void tst1() {
// 23x - 12y - 9z <= 0
// x - 8y - 8z <= 0
void tst2() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec(-23,12,9));
hb.add_eq(vec(-1,8,8));
@ -391,7 +395,8 @@ void tst2() {
// example 6, Ajili, Contenjean
// 3x + 2y - z - 2u <= 0
static void tst3() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec(3,2,-1,-2));
saturate_basis(hb);
}
@ -400,7 +405,8 @@ static void tst3() {
// Sigma_1, table 1, Ajili, Contejean
static void tst4() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 0,-2, 1, 3, 2,-2, 3), R(3));
hb.add_le(vec(-1, 7, 0, 1, 3, 5,-4), R(2));
hb.add_le(vec( 0,-1, 1,-1,-1, 0, 0), R(2));
@ -416,7 +422,8 @@ static void tst4() {
// Sigma_2 table 1, Ajili, Contejean
static void tst5() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 1, 2,-1, 1), R(3));
hb.add_le(vec( 2, 4, 1, 2), R(12));
hb.add_le(vec( 1, 4, 2, 1), R(9));
@ -429,7 +436,8 @@ static void tst5() {
// Sigma_3 table 1, Ajili, Contejean
static void tst6() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 4, 3, 0), R(6));
hb.add_le(vec(-3,-4, 0), R(-1));
hb.add_le(vec( 4, 0,-3), R(3));
@ -441,7 +449,8 @@ static void tst6() {
// Sigma_4 table 1, Ajili, Contejean
static void tst7() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec( 1, 1, 1, 0), R(5));
hb.add_le(vec( 2, 1, 0, 1), R(6));
hb.add_le(vec( 1, 2, 1, 1), R(7));
@ -454,7 +463,8 @@ static void tst7() {
// Sigma_5 table 1, Ajili, Contejean
static void tst8() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 2, 1, 1), R(2));
hb.add_le(vec( 1, 2, 3), R(5));
hb.add_le(vec( 2, 2, 3), R(6));
@ -464,7 +474,8 @@ static void tst8() {
// Sigma_6 table 1, Ajili, Contejean
static void tst9() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 1, 2, 3), R(11));
hb.add_le(vec( 2, 2, 5), R(13));
hb.add_le(vec( 1,-1,-11), R(3));
@ -473,7 +484,8 @@ static void tst9() {
// Sigma_7 table 1, Ajili, Contejean
static void tst10() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 1,-1,-1,-3), R(2));
hb.add_le(vec(-2, 3, 3,-5), R(3));
saturate_basis(hb);
@ -481,14 +493,16 @@ static void tst10() {
// Sigma_8 table 1, Ajili, Contejean
static void tst11() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 7,-2,11, 3, -5), R(5));
saturate_basis(hb);
}
// Sigma_9 table 1, Ajili, Contejean
static void tst12() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec( 1,-2,-3,4), R(0));
hb.add_le(vec(100,45,-78,-67), R(0));
saturate_basis(hb);
@ -496,34 +510,39 @@ static void tst12() {
// Sigma_10 table 1, Ajili, Contejean
static void tst13() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec( 23, -56, -34, 12, 11), R(0));
saturate_basis(hb);
}
// Sigma_11 table 1, Ajili, Contejean
static void tst14() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec(1, 0, -4, 8), R(2));
hb.add_le(vec(12,19,-11,-7), R(-7));
saturate_basis(hb);
}
static void tst15() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec(1, 0), R(1));
hb.add_le(vec(0, 1), R(1));
saturate_basis(hb);
}
static void tst16() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_le(vec(1, 0), R(100));
saturate_basis(hb);
}
static void tst17() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec(1, 0), R(0));
hb.add_eq(vec(-1, 0), R(0));
hb.add_eq(vec(0, 2), R(0));
@ -533,21 +552,24 @@ static void tst17() {
}
static void tst18() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec(0, 1), R(0));
hb.add_eq(vec(1, -1), R(2));
saturate_basis(hb);
}
static void tst19() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
hb.add_eq(vec(0, 1, 0), R(0));
hb.add_eq(vec(1, -1, 0), R(2));
saturate_basis(hb);
}
static void test_A_5_5_3() {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
for (unsigned i = 0; i < 15; ++i) {
vector<rational> v;
for (unsigned j = 0; j < 5; ++j) {

31
src/test/interval.cpp
View file

@ -22,6 +22,7 @@ Revision History:
#include"mpq.h"
#include"ast.h"
#include"debug.h"
#include"rlimit.h"
template class interval_manager<im_default_config>;
typedef im_default_config::interval interval;
@ -235,9 +236,10 @@ static void display_lemmas(unsynch_mpq_manager & nm, char const * result_term,
#define MK_BINARY(NAME, RES_TERM) \
static void tst_ ## NAME(unsigned N, unsigned magnitude) { \
reslimit rl; \
unsynch_mpq_manager nm; \
im_default_config imc(nm); \
interval_manager<im_default_config> im(imc); \
interval_manager<im_default_config> im(rl, imc); \
interval a, b, r; \
\
for (unsigned i = 0; i < N; i++) { \
@ -256,9 +258,10 @@ MK_BINARY(add, "(+ a b)");
MK_BINARY(sub, "(- a b)");
static void tst_neg(unsigned N, unsigned magnitude) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval a, b, r;
for (unsigned i = 0; i < N; i++) {
@ -271,9 +274,10 @@ static void tst_neg(unsigned N, unsigned magnitude) {
}
static void tst_pw_2(unsigned N, unsigned magnitude) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval a, b, r;
for (unsigned i = 0; i < N; i++) {
@ -286,9 +290,10 @@ static void tst_pw_2(unsigned N, unsigned magnitude) {
}
static void tst_pw_3(unsigned N, unsigned magnitude) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval a, b, r;
for (unsigned i = 0; i < N; i++) {
@ -301,9 +306,10 @@ static void tst_pw_3(unsigned N, unsigned magnitude) {
}
static void tst_root_2(unsigned N, unsigned magnitude, unsigned precision) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval a, b, r;
scoped_mpq p(nm);
p = precision;
@ -323,9 +329,10 @@ static void tst_root_2(unsigned N, unsigned magnitude, unsigned precision) {
}
static void tst_root_3(unsigned N, unsigned magnitude, unsigned precision) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval a, b, r;
scoped_mpq p(nm);
p = precision;
@ -343,9 +350,10 @@ static void tst_root_3(unsigned N, unsigned magnitude, unsigned precision) {
}
static void tst_inv(unsigned N, unsigned magnitude) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval a, b, r;
for (unsigned i = 0; i < N; i++) {
@ -362,9 +370,10 @@ static void tst_inv(unsigned N, unsigned magnitude) {
}
static void tst_div(unsigned N, unsigned magnitude) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval a, b, r;
for (unsigned i = 0; i < N; i++) {
@ -420,9 +429,10 @@ static void tst_float() {
#endif
void tst_pi() {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
interval r;
for (unsigned i = 0; i < 8; i++) {
im.pi(i, r);
@ -436,10 +446,11 @@ void tst_pi() {
#if 0
static void tst_pi_float() {
std::cout << "pi float...\n";
reslimit rl;
unsynch_mpq_manager qm;
mpf_manager fm;
im_float_config<mpf_manager> ifc(fm, 22, 106);
interval_manager<im_float_config<mpf_manager> > im(ifc);
interval_manager<im_float_config<mpf_manager> > im(rl, ifc);
scoped_mpq q(qm);
im_float_config<mpf_manager>::interval r;
for (unsigned i = 0; i < 8; i++) {

8
src/test/karr.cpp
View file

@ -3,7 +3,7 @@
Copyright (c) 2015 Microsoft Corporation
--*/
#include"rlimit.h"
#include "hilbert_basis.h"
/*
@ -46,7 +46,8 @@ namespace karr {
// treat src as a homogeneous matrix.
void dualizeH(matrix& dst, matrix const& src) {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
for (unsigned i = 0; i < src.size(); ++i) {
vector<rational> v(src.A[i]);
v.push_back(src.b[i]);
@ -74,7 +75,8 @@ namespace karr {
// treat src as an inhomegeneous matrix.
void dualizeI(matrix& dst, matrix const& src) {
hilbert_basis hb;
reslimit rl;
hilbert_basis hb(rl);
for (unsigned i = 0; i < src.size(); ++i) {
hb.add_eq(src.A[i], -src.b[i]);
}

7
src/test/nlsat.cpp
View file

@ -21,6 +21,7 @@ Notes:
#include"nlsat_evaluator.h"
#include"nlsat_solver.h"
#include"util.h"
#include"rlimit.h"
nlsat::interval_set_ref tst_interval(nlsat::interval_set_ref const & s1,
nlsat::interval_set_ref const & s2,
@ -57,8 +58,9 @@ nlsat::interval_set_ref tst_interval(nlsat::interval_set_ref const & s1,
static void tst3() {
enable_trace("nlsat_interval");
reslimit rl;
unsynch_mpq_manager qm;
anum_manager am(qm);
anum_manager am(rl, qm);
small_object_allocator allocator;
nlsat::interval_set_manager ism(am, allocator);
@ -241,8 +243,9 @@ static void check_subset_result(nlsat::interval_set_ref const & s1,
static void tst4() {
enable_trace("nlsat_interval");
reslimit rl;
unsynch_mpq_manager qm;
anum_manager am(qm);
anum_manager am(rl, qm);
small_object_allocator allocator;
nlsat::interval_set_manager ism(am, allocator);
nlsat::interval_set_ref s1(ism), s2(ism), r(ism);

101
src/test/polynomial.cpp
View file

@ -22,11 +22,13 @@ Notes:
#include"polynomial_var2value.h"
#include"polynomial_cache.h"
#include"linear_eq_solver.h"
#include"rlimit.h"
static void tst1() {
std::cout << "\n----- Basic testing -------\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -56,6 +58,7 @@ static void tst1() {
}
static void tst_pseudo_div(polynomial_ref const & A, polynomial_ref const & B, polynomial::var x) {
reslimit rl;
polynomial::manager & m = A.m();
std::cout << "---- Pseudo-division test ----\n";
std::cout << "A: " << A << "\n";
@ -81,8 +84,9 @@ static void tst_pseudo_div(polynomial_ref const & A, polynomial_ref const & B, p
}
static void tst2() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -98,8 +102,9 @@ static void tst2() {
static void tst3() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
x0 = m.mk_polynomial(m.mk_var());
@ -113,8 +118,9 @@ static void tst3() {
static void tst4() {
std::cout << "---- Testing renaming/reordering ----\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -141,8 +147,9 @@ static void tst_quasi_resultant(polynomial_ref const & p, polynomial_ref const &
}
static void tst5() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -158,8 +165,9 @@ static void tst5() {
}
static void tst6() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -176,8 +184,9 @@ static void tst6() {
}
static void tst7() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -198,8 +207,9 @@ static void tst7() {
}
static void tst8() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -220,8 +230,9 @@ static void tst8() {
static void tst9() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -261,8 +272,9 @@ static void tst9() {
}
static void tst10() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -300,8 +312,9 @@ static void tst10() {
}
static void tst11() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -342,8 +355,9 @@ static void tst_discriminant(polynomial_ref const & p, polynomial_ref const & ex
}
static void tst_discriminant() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref a(m);
polynomial_ref b(m);
polynomial_ref c(m);
@ -460,8 +474,9 @@ static void tst_resultant(polynomial_ref const & p, polynomial_ref const & q, po
}
static void tst_resultant() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref a(m);
polynomial_ref b(m);
polynomial_ref c(m);
@ -545,8 +560,9 @@ static void tst_resultant() {
}
static void tst_compose() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
x0 = m.mk_polynomial(m.mk_var());
@ -560,8 +576,9 @@ static void tst_compose() {
}
void tst_prem() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
polynomial_ref y(m);
x = m.mk_polynomial(m.mk_var());
@ -577,8 +594,9 @@ void tst_prem() {
}
void tst_sqrt() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
polynomial_ref y(m);
x = m.mk_polynomial(m.mk_var());
@ -622,8 +640,9 @@ static void tst_gcd(polynomial_ref const & p, polynomial_ref const & q, polynomi
}
static void tst_gcd() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -721,8 +740,9 @@ static void tst_psc_perf(polynomial_ref const & p, polynomial_ref const & q, pol
#endif
static void tst_psc() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -834,7 +854,7 @@ static void tst_vars(polynomial_ref const & p, unsigned sz, polynomial::var * xs
static void tst_vars() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -874,7 +894,7 @@ static void tst_sqf(polynomial_ref const & p, polynomial_ref const & expected) {
static void tst_sqf() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -919,7 +939,7 @@ static void tst_substitute(polynomial_ref const & p,
static void tst_substitute() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -960,7 +980,7 @@ static void tst_qsubstitute(polynomial_ref const & p,
static void tst_qsubstitute() {
unsynch_mpq_manager qm;
polynomial::manager m(qm);
reslimit rl; polynomial::manager m(rl, qm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -1013,7 +1033,7 @@ void tst_mfact(polynomial_ref const & p, unsigned num_distinct_factors) {
static void tst_mfact() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -1175,7 +1195,7 @@ static void tst_mfact() {
static void tst_zp() {
unsynch_mpz_manager z;
polynomial::manager pm(z);
reslimit rl; polynomial::manager pm(rl, z);
polynomial_ref x(pm);
polynomial_ref y(pm);
@ -1233,7 +1253,7 @@ static void tst_translate(polynomial_ref const & p, polynomial::var x0, int v0,
static void tst_translate() {
unsynch_mpq_manager qm;
polynomial::manager m(qm);
reslimit rl; polynomial::manager m(rl, qm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -1264,7 +1284,7 @@ static void tst_translate() {
#if 0
static void tst_p25() {
unsynch_mpq_manager qm;
polynomial::manager m(qm);
reslimit rl; polynomial::manager m(rl, qm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -1288,10 +1308,11 @@ static void tst_p25() {
static void tst_mm() {
unsynch_mpq_manager qm;
// pm1 and pm2 share the same monomial manager
polynomial::manager * pm1_ptr = alloc(polynomial::manager, qm);
reslimit rl;
polynomial::manager * pm1_ptr = alloc(polynomial::manager, rl, qm);
polynomial::manager & pm1 = *pm1_ptr;
polynomial::manager pm2(qm, &pm1.mm());
polynomial::manager pm3(qm); // pm3 has its own manager
polynomial::manager pm2(rl, qm, &pm1.mm());
polynomial::manager pm3(rl, qm); // pm3 has its own manager
polynomial_ref p2(pm2);
{
polynomial_ref x0(pm1);
@ -1336,7 +1357,7 @@ static void tst_eval(polynomial_ref const & p, polynomial::var x0, rational v0,
static void tst_eval() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -1369,7 +1390,7 @@ static void tst_eval() {
static void tst_mk_unique() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -1414,7 +1435,7 @@ static void tst_del_eh() {
dummy_del_eh eh2;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
x0 = m.mk_polynomial(m.mk_var());
@ -1444,7 +1465,7 @@ static void tst_del_eh() {
static void tst_const_coeff() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
x0 = m.mk_polynomial(m.mk_var());
@ -1490,7 +1511,7 @@ static void tst_const_coeff() {
static void tst_gcd2() {
// enable_trace("mgcd");
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
polynomial_ref x1(m);
polynomial_ref x2(m);
@ -1582,7 +1603,7 @@ static void tst_gcd3() {
enable_trace("polynomial_gcd_detail");
enable_trace("mpzzp");
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
polynomial_ref p(m);
@ -1607,7 +1628,7 @@ static void tst_gcd4() {
enable_trace("mgcd");
// enable_trace("CRA");
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
polynomial_ref p(m);
@ -1631,7 +1652,7 @@ static void tst_gcd4() {
static void tst_newton_interpolation() {
// enable_trace("newton");
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x(m);
polynomial_ref y(m);
x = m.mk_polynomial(m.mk_var());
@ -1654,7 +1675,7 @@ static void tst_newton_interpolation() {
static void tst_slow_mod_gcd() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m), x1(m), x2(m), x3(m), x4(m), x5(m);
x0 = m.mk_polynomial(m.mk_var());
x1 = m.mk_polynomial(m.mk_var());
@ -1735,7 +1756,7 @@ static void tst_lex(polynomial_ref const & p1, polynomial_ref const & p2, int le
static void tst_lex() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m), x1(m), x2(m), x3(m), x4(m), x5(m);
x0 = m.mk_polynomial(m.mk_var());
x1 = m.mk_polynomial(m.mk_var());
@ -1772,7 +1793,7 @@ static void tst_lex() {
static void tst_divides() {
polynomial::numeral_manager nm;
polynomial::manager m(nm);
reslimit rl; polynomial::manager m(rl, nm);
polynomial_ref x0(m);
x0 = m.mk_polynomial(m.mk_var());
polynomial_ref q(m);

25
src/test/polynomial_factorization.cpp
View file

@ -19,7 +19,7 @@ Notes:
#include"upolynomial_factorization_int.h"
#include"timeit.h"
#include"polynomial.h"
#include"rlimit.h"
#if 0
#include"polynomial_factorization.h"
#endif
@ -176,7 +176,7 @@ int random_polynomial[20][2][11] = {
#if 0
static void tst_square_free_finite_1() {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
// example from Knuth, p. 442
polynomial_ref x(pm);
@ -224,7 +224,7 @@ static void tst_square_free_finite_1() {
static void tst_factor_finite_1() {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
// example from Knuth, p. 442
polynomial_ref x(pm);
@ -274,7 +274,7 @@ static void tst_factor_finite_1() {
static void tst_factor_finite_2() {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());
@ -333,7 +333,7 @@ static void tst_factor_finite_2() {
static void tst_factor_finite_3() {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());
@ -403,7 +403,7 @@ static void tst_factor_finite_3() {
static void tst_factor_enumeration() {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());
@ -514,7 +514,7 @@ static void tst_factor_square_free_univariate_1(unsigned max_length) {
nm.set(p, 5);
nm.mod(test, p, test);
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());
@ -560,7 +560,7 @@ static void tst_factor_square_free_univariate_1(unsigned max_length) {
static void tst_factor_square_free_univariate_2() {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());
@ -598,7 +598,7 @@ static void tst_factor_square_free_univariate_2() {
static void tst_factor_square_free_univariate_3() {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());
@ -622,7 +622,7 @@ static void tst_factor_square_free_univariate_3() {
void tst_factor_swinnerton_dyer_big(unsigned max) {
polynomial::numeral_manager nm;
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());
@ -669,7 +669,8 @@ void tst_factor_swinnerton_dyer_big(unsigned max) {
{
timeit timer(true, "factoring swinnerton-dyer");
upolynomial::manager upm(nm);
reslimit rl;
upolynomial::manager upm(rl, nm);
scoped_mpz_vector sd_u(nm);
upm.to_numeral_vector(computation, sd_u);
upolynomial::factors factors(upm);
@ -689,7 +690,7 @@ static void tst_factor_square_free_multivariate_1(unsigned max_n) {
nm.set(p, 5);
nm.mod(test, p, test);
polynomial::manager pm(nm);
reslimit rl; polynomial::manager pm(rl, nm);
polynomial_ref x(pm);
x = pm.mk_polynomial(pm.mk_var());

7
src/test/rcf.cpp
View file

@ -18,10 +18,12 @@ Notes:
--*/
#include"realclosure.h"
#include"mpz_matrix.h"
#include"rlimit.h"
static void tst1() {
unsynch_mpq_manager qm;
rcmanager m(qm);
reslimit rl;
rcmanager m(rl, qm);
scoped_rcnumeral a(m);
#if 0
a = 10;
@ -143,8 +145,9 @@ static void tst_lin_indep(unsigned m, unsigned n, int _A[], unsigned ex_sz, unsi
}
static void tst_denominators() {
reslimit rl;
unsynch_mpq_manager qm;
rcmanager m(qm);
rcmanager m(rl, qm);
scoped_rcnumeral a(m);
scoped_rcnumeral t(m);
scoped_rcnumeral eps(m);

12
src/test/simplex.cpp
View file

@ -11,6 +11,7 @@ Copyright (c) 2015 Microsoft Corporation
#include "mpq_inf.h"
#include "vector.h"
#include "rational.h"
#include "rlimit.h"
#define R rational
typedef simplex::simplex<simplex::mpz_ext> Simplex;
@ -99,7 +100,8 @@ static void feas(Simplex& S) {
}
static void test1() {
Simplex S;
reslimit rl;
Simplex S(rl);
add_row(S, vec(1,0), R(1));
add_row(S, vec(0,1), R(1));
add_row(S, vec(1,1), R(1));
@ -107,7 +109,7 @@ static void test1() {
}
static void test2() {
Simplex S;
reslimit rl; Simplex S(rl);
add_row(S, vec(1, 0), R(1));
add_row(S, vec(0, 1), R(1));
add_row(S, vec(1, 1), R(1), true);
@ -115,7 +117,7 @@ static void test2() {
}
static void test3() {
Simplex S;
reslimit rl; Simplex S(rl);
add_row(S, vec(-1, 0), R(-1));
add_row(S, vec(0, -1), R(-1));
add_row(S, vec(1, 1), R(1), true);
@ -123,7 +125,7 @@ static void test3() {
}
static void test4() {
Simplex S;
reslimit rl; Simplex S(rl);
add_row(S, vec(1, 0), R(1));
add_row(S, vec(0, -1), R(-1));
add_row(S, vec(1, 1), R(1), true);
@ -131,7 +133,7 @@ static void test4() {
}
void tst_simplex() {
Simplex S;
reslimit rl; Simplex S(rl);
std::cout << "simplex\n";

16
src/test/trigo.cpp
View file

@ -23,6 +23,7 @@ Revision History:
#include"ast.h"
#include"debug.h"
#include"im_float_config.h"
#include"rlimit.h"
#define PREC 100000
@ -39,7 +40,8 @@ static void tst_sine_core(std::ostream & out, unsynch_mpq_manager & nm, interval
static void tst_sine(std::ostream & out, unsigned N, unsigned k) {
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
reslimit rl;
interval_manager<im_default_config> im(rl, imc);
scoped_mpq a(nm);
nm.set(a, 0);
tst_sine_core(out, nm, im, a, 1);
@ -63,9 +65,10 @@ static void tst_cosine_core(std::ostream & out, unsynch_mpq_manager & nm, interv
}
static void tst_cosine(std::ostream & out, unsigned N, unsigned k) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
scoped_mpq a(nm);
nm.set(a, 0);
tst_cosine_core(out, nm, im, a, 1);
@ -95,9 +98,10 @@ const unsigned SBITS = 53;
template<typename fmanager>
static void tst_float_sine(std::ostream & out, unsigned N, unsigned k) {
reslimit rl;
fmanager fm;
im_float_config<fmanager> ifc(fm, EBITS, SBITS);
interval_manager<im_float_config<fmanager> > im(ifc);
interval_manager<im_float_config<fmanager> > im(rl, ifc);
_scoped_numeral<fmanager> a(fm);
fm.set(a, EBITS, SBITS, static_cast<int>(0));
tst_float_sine_core(out, fm, im, a, 1);
@ -130,9 +134,10 @@ static void tst_mpf_bug() {
#endif
static void tst_e(std::ostream & out) {
reslimit rl;
unsynch_mpq_manager nm;
im_default_config imc(nm);
interval_manager<im_default_config> im(imc);
interval_manager<im_default_config> im(rl, imc);
im_default_config::interval r;
for (unsigned i = 0; i < 64; i++) {
im.e(i, r);
@ -144,10 +149,11 @@ static void tst_e(std::ostream & out) {
static void tst_e_float(std::ostream & out) {
std::cout << "e float...\n";
reslimit rl;
unsynch_mpq_manager qm;
mpf_manager fm;
im_float_config<mpf_manager> ifc(fm);
interval_manager<im_float_config<mpf_manager> > im(ifc);
interval_manager<im_float_config<mpf_manager> > im(rl, ifc);
scoped_mpq q(qm);
im_float_config<mpf_manager>::interval r;
for (unsigned i = 0; i < 64; i++) {

104
src/test/upolynomial.cpp
View file

@ -18,11 +18,13 @@ Notes:
--*/
#include"upolynomial.h"
#include"timeit.h"
#include"rlimit.h"
static void tst1() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
upolynomial::manager um(nm);
polynomial::manager m(rl, nm);
upolynomial::manager um(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -64,7 +66,8 @@ static void tst1() {
}
static void tst_isolate_roots(polynomial_ref const & p, unsigned prec, mpbq_manager & bqm, mpbq_vector & roots, mpbq_vector & lowers, mpbq_vector & uppers) {
upolynomial::manager um(p.m().m());
reslimit rl;
upolynomial::manager um(rl, p.m().m());
upolynomial::scoped_numeral_vector q(um);
um.to_numeral_vector(p, q);
std::cout << "isolating roots of: "; um.display(std::cout, q); std::cout << "\n";
@ -189,8 +192,9 @@ static void tst_isolate_roots(polynomial_ref const & p, unsigned expected_sz, ra
}
static void tst_isolate_roots() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -275,15 +279,16 @@ static void tst_isolate_roots() {
}
static void tst_remove_one_half() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
polynomial_ref p(m), r(m);
p = 4*(x^3) - 12*(x^2) - x + 3;
r = 16*(x^2) - 40*x - 24;
upolynomial::manager um(nm);
upolynomial::manager um(rl, nm);
upolynomial::scoped_numeral_vector _p(um), _q(um), _r(um);
um.to_numeral_vector(p, _p);
um.to_numeral_vector(r, _r);
@ -321,15 +326,16 @@ static void tst_gcd(polynomial_ref const & p, polynomial_ref const & q, pmanager
static void tst_gcd() {
std::cout << "\n\nTesting GCD\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
polynomial_ref p(m);
polynomial_ref q(m);
upolynomial::manager um(nm);
upolynomial::manager um(rl, nm);
p = 13*((x - 3)^6)*((x - 5)^5)*((x - 11)^7);
q = derivative(p, 0);
@ -351,8 +357,9 @@ static void tst_gcd() {
static void tst_zp() {
std::cout << "\n\nTesting Z_p\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -363,20 +370,21 @@ static void tst_zp() {
// Computing GCD of p an q in Z[x]
std::cout << "GCD in Z[x]\n";
upolynomial::manager um(nm);
upolynomial::manager um(rl, nm);
tst_gcd(p, q, um);
// Computing GCD of p an q in Z_3[x]
std::cout << "GCD in Z_3[x]\n";
upolynomial::zp_manager um3(nm);
upolynomial::zp_manager um3(rl, nm);
um3.set_zp(3);
tst_gcd(p, q, um3);
}
static void tst_zp2() {
std::cout << "\n\nTesting Z_p\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -387,20 +395,21 @@ static void tst_zp2() {
// Computing GCD of p an q in Z[x]
std::cout << "GCD in Z[x]\n";
upolynomial::manager um(nm);
upolynomial::manager um(rl, nm);
tst_gcd(u, v, um);
// Computing GCD of p an q in Z_3[x]
std::cout << "GCD in Z_13[x]\n";
upolynomial::zp_manager um13(nm);
upolynomial::zp_manager um13(rl, nm);
um13.set_zp(13);
tst_gcd(u, v, um13);
}
static void tst_ext_gcd() {
std::cout << "\nExtended GCD\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -411,7 +420,7 @@ static void tst_ext_gcd() {
// Computing GCD of p an q in Z_3[x]
std::cout << "GCD in Z_13[x]\n";
upolynomial::zp_manager um(nm);
upolynomial::zp_manager um(rl, nm);
um.set_zp(13);
mpzzp_manager & z13 = um.m();
upolynomial::zp_manager::scoped_numeral_vector A(z13), B(z13), U(z13), V(z13), D(z13);
@ -427,8 +436,9 @@ static void tst_ext_gcd() {
static void tst_ext_gcd_z7() {
std::cout << "\nExtended GCD in Z_7\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -441,7 +451,7 @@ static void tst_ext_gcd_z7() {
// Computing GCD of a and b in Z_3[x]
// expecting: D = 1, U = 3*x + 6, V = 3*x^2 + 6*x + 4
std::cout << "GCD in Z_7[x]\n";
upolynomial::zp_manager um(nm);
upolynomial::zp_manager um(rl, nm);
um.set_zp(7);
mpzzp_manager & z7 = um.m();
upolynomial::zp_manager::scoped_numeral_vector A(z7), B(z7), U(z7), V(z7), D(z7);
@ -457,8 +467,9 @@ static void tst_ext_gcd_z7() {
static void tst_sturm() {
std::cout << "\nSturm Seq\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -467,7 +478,7 @@ static void tst_sturm() {
// p = ((x^17) + 5*(x^16) + 3*(x^15) + 10*(x^13) + 13*(x^10) + (x^9) + 8*(x^5) + 3*(x^2) + 7)*(((x^5) - x - 1)^2)*(((x^3) - 2)^2);
// p = ((x^17) + 5*(x^16) + 3*(x^15) + 10*(x^13) + 13*(x^10) + (x^9) + 8*(x^5) + 3*(x^2) + 7)*(((x^5) - x - 1))*(((x^3) - 2));
upolynomial::manager um(nm);
upolynomial::manager um(rl, nm);
upolynomial::scoped_numeral_vector _p(um);
upolynomial::scoped_upolynomial_sequence seq2(um);
um.to_numeral_vector(p, _p);
@ -478,7 +489,8 @@ static void tst_sturm() {
static void tst_refinable(polynomial_ref const & p, mpbq_manager & bqm, mpbq & a, mpbq & b) {
upolynomial::manager um(p.m().m());
reslimit rl;
upolynomial::manager um(rl, p.m().m());
upolynomial::scoped_numeral_vector _p(um);
um.to_numeral_vector(p, _p);
std::cout << "before (" << bqm.to_string(a) << ", " << bqm.to_string(b) << ")\n";
@ -497,8 +509,9 @@ static void tst_refinable(polynomial_ref const & p, mpbq_manager & bqm, mpbq & a
static void tst_refinable() {
std::cout << "\nRefinable intervals\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -544,7 +557,7 @@ static void tst_refinable() {
}
static void tst_refine(polynomial_ref const & p, mpbq_manager & bqm, mpbq & a, mpbq & b, unsigned prec_k=100) {
upolynomial::manager um(p.m().m());
reslimit rl; upolynomial::manager um(rl, p.m().m());
upolynomial::scoped_numeral_vector _p(um);
um.to_numeral_vector(p, _p);
std::cout << "before (" << bqm.to_string(a) << ", " << bqm.to_string(b) << ")\n";
@ -561,8 +574,9 @@ static void tst_refine(polynomial_ref const & p, mpbq_manager & bqm, mpbq & a, m
static void tst_refine() {
std::cout << "\nRefining intervals\n";
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -583,14 +597,15 @@ static void tst_refine() {
}
static void tst_translate_q() {
reslimit rl;
unsynch_mpq_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
polynomial_ref p(m);
p = (x-1)*(x-2)*(x-3)*(x-4);
upolynomial::manager um(nm);
upolynomial::manager um(rl, nm);
upolynomial::scoped_numeral_vector _p(um), _q(um);
um.to_numeral_vector(p, _p);
SASSERT(um.eval_sign_at(_p.size(), _p.c_ptr(), mpq(1)) == 0);
@ -637,7 +652,8 @@ static void tst_translate_q() {
}
static void tst_convert_q2bq(unsynch_mpq_manager & m, polynomial_ref const & p, mpq const & a, mpq const & b) {
upolynomial::manager um(m);
reslimit rl;
upolynomial::manager um(rl, m);
upolynomial::scoped_numeral_vector _p(um);
um.to_numeral_vector(p, _p);
std::cout << "\np: ";
@ -657,8 +673,9 @@ static void tst_convert_q2bq(unsynch_mpq_manager & m, polynomial_ref const & p,
}
static void tst_convert_q2bq() {
reslimit rl;
unsynch_mpq_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -704,8 +721,9 @@ static void tst_convert_q2bq() {
}
static void tst_sturm2() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -715,7 +733,7 @@ static void tst_sturm2() {
p = (x^16) - 136*(x^14) + 6476*(x^12) - 141912*(x^10) + 1513334*(x^8) - 7453176*(x^6) + 13950764*(x^4) - 5596840*(x^2) + 46225;
q = ((x^8) - 40*(x^6) + 352*(x^4) - 960*(x^2) + 576)^2;
upolynomial::manager um(nm);
upolynomial::manager um(rl, nm);
upolynomial::scoped_numeral_vector _p(um), _q(um);
upolynomial::scoped_upolynomial_sequence seq2(um);
um.to_numeral_vector(p, _p);
@ -784,7 +802,7 @@ static void tst_gcd2() {
polynomial_ref p(m);
p = ((x^1000) - x + 1)^5;
upolynomial::manager um(nm);
reslimit rl; upolynomial::manager um(rl, nm);
upolynomial::scoped_numeral_vector _p(um);
upolynomial::scoped_numeral_vector _p_sqf(um);
um.to_numeral_vector(p, _p);
@ -797,8 +815,9 @@ static void tst_gcd2() {
#endif
static void tst_isolate_roots5() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -811,7 +830,8 @@ static void tst_isolate_roots5() {
}
static void tst_exact_div(polynomial_ref const & p1, polynomial_ref const & p2, bool expected, polynomial_ref const & expected_q) {
upolynomial::manager um(p1.m().m());
reslimit rl;
upolynomial::manager um(rl, p1.m().m());
upolynomial::scoped_numeral_vector _p1(um), _p2(um), _q(um), _r(um);
um.to_numeral_vector(p1, _p1);
um.to_numeral_vector(p2, _p2);
@ -834,8 +854,9 @@ static void tst_exact_div(polynomial_ref const & p1, polynomial_ref const & p2,
}
static void tst_exact_div() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m);
x = m.mk_polynomial(m.mk_var());
// create univariate polynomial using multivariate polynomial package
@ -860,7 +881,7 @@ static void tst_fact(polynomial_ref const & p, unsigned num_distinct_factors, up
SASSERT(is_univariate(p));
std::cout << "---------------\n";
std::cout << "p: " << p << std::endl;
upolynomial::manager um(p.m().m());
reslimit rl; upolynomial::manager um(rl, p.m().m());
upolynomial::scoped_numeral_vector _p(um);
upolynomial::factors fs(um);
um.to_numeral_vector(p, _p);
@ -878,8 +899,9 @@ static void tst_fact(polynomial_ref const & p, unsigned num_distinct_factors, up
}
static void tst_fact() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m);
x0 = m.mk_polynomial(m.mk_var());
tst_fact((x0^4) + (x0^2) - 20, 3);
@ -975,7 +997,7 @@ static void tst_rem(polynomial_ref const & p, polynomial_ref const & q, polynomi
std::cout << "---------------\n";
std::cout << "p: " << p << std::endl;
std::cout << "q: " << q << std::endl;
upolynomial::manager um(p.m().m());
reslimit rl; upolynomial::manager um(rl, p.m().m());
upolynomial::scoped_numeral_vector _p(um), _q(um), _r(um);
um.to_numeral_vector(p, _p);
um.to_numeral_vector(q, _q);
@ -987,8 +1009,9 @@ static void tst_rem(polynomial_ref const & p, polynomial_ref const & q, polynomi
}
static void tst_rem() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x0(m), zero(m), one(m);
x0 = m.mk_polynomial(m.mk_var());
zero = m.mk_zero();
@ -1002,7 +1025,7 @@ static void tst_lower_bound(polynomial_ref const & p) {
SASSERT(is_univariate(p));
std::cout << "---------------\n";
std::cout << "p: " << p << std::endl;
upolynomial::manager um(p.m().m());
reslimit rl; upolynomial::manager um(rl, p.m().m());
upolynomial::scoped_numeral_vector _p(um);
um.to_numeral_vector(p, _p);
std::cout << "_p: "; um.display(std::cout, _p); std::cout << "\n";
@ -1012,8 +1035,9 @@ static void tst_lower_bound(polynomial_ref const & p) {
}
static void tst_lower_bound() {
reslimit rl;
polynomial::numeral_manager nm;
polynomial::manager m(nm);
polynomial::manager m(rl, nm);
polynomial_ref x(m), zero(m), one(m);
x = m.mk_polynomial(m.mk_var());
zero = m.mk_zero();

4
src/util/debug.h
View file

@ -44,12 +44,16 @@ bool assertions_enabled();
#define DEBUG_CODE(CODE) ((void) 0)
#endif
#ifdef NO_Z3_DEBUGGER
#define INVOKE_DEBUGGER() exit(ERR_INTERNAL_FATAL)
#else
#ifdef _WINDOWS
#define INVOKE_DEBUGGER() __debugbreak()
#else
void invoke_gdb();
#define INVOKE_DEBUGGER() invoke_gdb()
#endif
#endif
void notify_assertion_violation(const char * file_name, int line, const char * condition);
void enable_debug(const char * tag);

10
src/util/mpf.cpp
View file

@ -192,7 +192,7 @@ void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode
TRACE("mpf_dbg", tout << "set: " << m_mpq_manager.to_string(value) << " [" << ebits << "/" << sbits << "]"<< std::endl;);
scoped_mpz exp(m_mpz_manager);
m_mpz_manager.set(exp, 0);
set(o, ebits, sbits, rm, value, exp);
set(o, ebits, sbits, rm, exp, value);
TRACE("mpf_dbg", tout << "set: res = " << to_string(o) << std::endl;);
}
@ -221,12 +221,12 @@ void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode
scoped_mpz ex(m_mpq_manager);
m_mpz_manager.set(ex, e.c_str());
set(o, ebits, sbits, rm, q, ex);
set(o, ebits, sbits, rm, ex, q);
TRACE("mpf_dbg", tout << "set: res = " << to_string(o) << std::endl;);
}
void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode rm, mpq const & significand, mpz const & exponent) {
void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode rm, mpz const & exponent, mpq const & significand) {
// Assumption: this represents significand * 2^exponent.
TRACE("mpf_dbg", tout << "set: sig = " << m_mpq_manager.to_string(significand) << " exp = " << m_mpz_manager.to_string(exponent) << std::endl;);
@ -289,7 +289,7 @@ void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode
TRACE("mpf_dbg", tout << "set: res = " << to_string(o) << std::endl;);
}
void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, bool sign, uint64 significand, mpf_exp_t exponent) {
void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, bool sign, mpf_exp_t exponent, uint64 significand) {
// Assumption: this represents (sign * -1) * (significand/2^sbits) * 2^exponent.
o.ebits = ebits;
o.sbits = sbits;
@ -304,7 +304,7 @@ void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, bool sign, uint64
});
}
void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, bool sign, mpz const & significand, mpf_exp_t exponent) {
void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, bool sign, mpf_exp_t exponent, mpz const & significand) {
// Assumption: this represents (sign * -1) * (significand/2^sbits) * 2^exponent.
o.ebits = ebits;
o.sbits = sbits;

6
src/util/mpf.h
View file

@ -74,9 +74,9 @@ public:
void set(mpf & o, unsigned ebits, unsigned sbits, double value);
void set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode rm, mpq const & value);
void set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode rm, char const * value);
void set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode rm, mpq const & significand, mpz const & exponent);
void set(mpf & o, unsigned ebits, unsigned sbits, bool sign, uint64 significand, mpf_exp_t exponent);
void set(mpf & o, unsigned ebits, unsigned sbits, bool sign, mpz const & significand, mpf_exp_t exponent);
void set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode rm, mpz const & exponent, mpq const & significand);
void set(mpf & o, unsigned ebits, unsigned sbits, bool sign, mpf_exp_t exponent, uint64 significand);
void set(mpf & o, unsigned ebits, unsigned sbits, bool sign, mpf_exp_t exponent, mpz const & significand);
void set(mpf & o, mpf const & x);
void set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode rm, mpf const & x);

3
src/util/ref_vector.h
View file

@ -89,9 +89,10 @@ public:
m_nodes.shrink(sz);
}
void push_back(T * n) {
ref_vector_core& push_back(T * n) {
inc_ref(n);
m_nodes.push_back(n);
return *this;
}
void pop_back() {

1
src/util/scoped_ptr_vector.h
View file

@ -30,6 +30,7 @@ public:
~scoped_ptr_vector() { reset(); }
void reset() { std::for_each(m_vector.begin(), m_vector.end(), delete_proc<T>()); m_vector.reset(); }
void push_back(T * ptr) { m_vector.push_back(ptr); }
void pop_back() { SASSERT(!empty()); set(size()-1, 0); m_vector.pop_back(); }
T * operator[](unsigned idx) const { return m_vector[idx]; }
void set(unsigned idx, T * ptr) {
if (m_vector[idx] == ptr)

15
src/util/scoped_vector.h
View file

@ -46,7 +46,7 @@ public:
m_elems_lim.push_back(m_elems_start);
}
void pop_scopes(unsigned num_scopes) {
void pop_scope(unsigned num_scopes) {
if (num_scopes == 0) return;
unsigned new_size = m_sizes.size() - num_scopes;
unsigned src_lim = m_src_lim[new_size];
@ -72,6 +72,12 @@ public:
return m_elems[m_index[idx]];
}
// breaks abstraction, caller must ensure backtracking.
T& ref(unsigned idx) {
SASSERT(idx < m_size);
return m_elems[m_index[idx]];
}
void set(unsigned idx, T const& t) {
SASSERT(idx < m_size);
unsigned n = m_index[idx];
@ -102,6 +108,13 @@ public:
SASSERT(invariant());
}
void erase_and_swap(unsigned i) {
if (i + 1 < size()) {
set(i, m_elems[m_index[size()-1]]);
}
pop_back();
}
unsigned size() const { return m_size; }
bool empty() const { return m_size == 0; }