/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_unbounded-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:03:45,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:03:45,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:03:45,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:03:45,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:03:45,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:03:45,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:03:45,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:03:45,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:03:45,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:03:45,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:03:45,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:03:45,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:03:45,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:03:45,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:03:45,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:03:45,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:03:45,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:03:45,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:03:45,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:03:45,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:03:45,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:03:45,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:03:45,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:03:45,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:03:45,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:03:45,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:03:45,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:03:45,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:03:45,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:03:45,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:03:45,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:03:45,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:03:45,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:03:45,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:03:45,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:03:45,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:03:45,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:03:45,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:03:45,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:03:45,894 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:03:45,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:03:45,894 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:03:45,894 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:03:45,894 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:03:45,895 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:03:45,895 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:03:45,896 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:03:45,896 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:03:45,896 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:03:45,897 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:03:45,897 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:03:45,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:03:45,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:03:45,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:03:45,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:03:45,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:03:45,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:03:45,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:03:45,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:03:45,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:03:45,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:03:45,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:03:45,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:03:45,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:03:45,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:03:45,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:45,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:03:45,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:03:45,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:03:45,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:03:45,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:03:45,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:03:45,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:03:45,904 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:03:46,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:03:46,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:03:46,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:03:46,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:03:46,192 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:03:46,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_unbounded-2.i [2019-11-24 16:03:46,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c670c249/5d117f07a3c9485c8f95a5f33a374e88/FLAG204b5c4d5 [2019-11-24 16:03:46,826 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:03:46,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unbounded-2.i [2019-11-24 16:03:46,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c670c249/5d117f07a3c9485c8f95a5f33a374e88/FLAG204b5c4d5 [2019-11-24 16:03:47,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c670c249/5d117f07a3c9485c8f95a5f33a374e88 [2019-11-24 16:03:47,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:03:47,170 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:03:47,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:47,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:03:47,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:03:47,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:47,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af3ef7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47, skipping insertion in model container [2019-11-24 16:03:47,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:47,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:03:47,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:03:47,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:47,772 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:03:47,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:47,910 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:03:47,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47 WrapperNode [2019-11-24 16:03:47,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:47,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:47,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:03:47,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:03:47,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:47,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:47,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:47,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:03:47,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:03:47,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:03:47,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:47,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:47,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:48,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:48,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:48,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:48,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... [2019-11-24 16:03:48,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:03:48,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:03:48,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:03:48,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:03:48,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:03:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:03:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:03:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:03:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:03:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:03:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:03:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:03:49,327 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:03:49,328 INFO L284 CfgBuilder]: Removed 55 assume(true) statements. [2019-11-24 16:03:49,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:49 BoogieIcfgContainer [2019-11-24 16:03:49,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:03:49,331 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:03:49,332 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:03:49,332 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:03:49,333 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:49" (1/1) ... [2019-11-24 16:03:49,334 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:03:49,360 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 16:03:49,361 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:03:49,368 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:03:49,376 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:03:49,377 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:03:49,698 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-24 16:03:49,979 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:50,720 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:51,008 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:52,841 WARN L192 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2019-11-24 16:03:53,182 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2019-11-24 16:03:53,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 16:03:53,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21