/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:16:35,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:16:35,586 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 03:16:35,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:16:35,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:16:35,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:16:35,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:16:35,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:16:35,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:16:35,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:16:35,628 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:16:35,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:16:35,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:16:35,629 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:16:35,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:16:35,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:16:35,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:16:35,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:16:35,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:16:35,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:16:35,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:16:35,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:16:35,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:16:35,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:16:35,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:16:35,633 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:16:35,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:16:35,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:16:35,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:16:35,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:16:35,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:16:35,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:16:35,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:16:35,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:16:35,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:16:35,636 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:16:35,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:16:35,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:16:35,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:16:35,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:16:35,949 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:16:35,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2023-08-25 03:16:37,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:16:37,418 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:16:37,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2023-08-25 03:16:37,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6733c76f/49d7973f5ff4400bbed7f815a83e8d8d/FLAG3fe9de38b [2023-08-25 03:16:37,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6733c76f/49d7973f5ff4400bbed7f815a83e8d8d [2023-08-25 03:16:37,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:16:37,460 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:16:37,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:16:37,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:16:37,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:16:37,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:16:37" (1/1) ... [2023-08-25 03:16:37,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ea921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:37, skipping insertion in model container [2023-08-25 03:16:37,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:16:37" (1/1) ... [2023-08-25 03:16:37,519 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:16:37,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:16:37,945 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:16:37,972 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:16:37,974 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:16:37,980 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [736] [2023-08-25 03:16:38,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:16:38,073 WARN L669 CHandler]: The function fp is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 03:16:38,079 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:16:38,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38 WrapperNode [2023-08-25 03:16:38,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:16:38,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:16:38,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:16:38,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:16:38,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,146 INFO L138 Inliner]: procedures = 265, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-08-25 03:16:38,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:16:38,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:16:38,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:16:38,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:16:38,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:16:38,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:16:38,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:16:38,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:16:38,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (1/1) ... [2023-08-25 03:16:38,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:16:38,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:16:38,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 03:16:38,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 03:16:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:16:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:16:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:16:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:16:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:16:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:16:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:16:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:16:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:16:38,252 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 03:16:38,357 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:16:38,359 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:16:38,496 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:16:38,502 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:16:38,502 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:16:38,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:16:38 BoogieIcfgContainer [2023-08-25 03:16:38,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:16:38,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:16:38,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:16:38,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:16:38,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:16:37" (1/3) ... [2023-08-25 03:16:38,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f90737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:16:38, skipping insertion in model container [2023-08-25 03:16:38,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:16:38" (2/3) ... [2023-08-25 03:16:38,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f90737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:16:38, skipping insertion in model container [2023-08-25 03:16:38,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:16:38" (3/3) ... [2023-08-25 03:16:38,513 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2023-08-25 03:16:38,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:16:38,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-25 03:16:38,526 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:16:38,583 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-25 03:16:38,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 82 transitions, 172 flow [2023-08-25 03:16:38,680 INFO L124 PetriNetUnfolderBase]: 1/81 cut-off events. [2023-08-25 03:16:38,680 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 03:16:38,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 81 events. 1/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-25 03:16:38,687 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 82 transitions, 172 flow [2023-08-25 03:16:38,694 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 74 transitions, 151 flow [2023-08-25 03:16:38,698 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:16:38,709 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 74 transitions, 151 flow [2023-08-25 03:16:38,712 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 74 transitions, 151 flow [2023-08-25 03:16:38,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 74 transitions, 151 flow [2023-08-25 03:16:38,736 INFO L124 PetriNetUnfolderBase]: 1/74 cut-off events. [2023-08-25 03:16:38,736 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:16:38,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 1/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-25 03:16:38,738 INFO L119 LiptonReduction]: Number of co-enabled transitions 888 [2023-08-25 03:16:41,105 INFO L134 LiptonReduction]: Checked pairs total: 2066 [2023-08-25 03:16:41,106 INFO L136 LiptonReduction]: Total number of compositions: 62 [2023-08-25 03:16:41,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:16:41,124 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ba5aae5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:16:41,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-08-25 03:16:41,127 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:16:41,127 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-08-25 03:16:41,127 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:16:41,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:16:41,128 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-25 03:16:41,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-25 03:16:41,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:16:41,132 INFO L85 PathProgramCache]: Analyzing trace with hash 262442813, now seen corresponding path program 1 times [2023-08-25 03:16:41,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:16:41,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406253860] [2023-08-25 03:16:41,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:16:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:16:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:16:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:16:41,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:16:41,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406253860] [2023-08-25 03:16:41,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406253860] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:16:41,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:16:41,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:16:41,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268934817] [2023-08-25 03:16:41,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:16:41,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:16:41,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:16:41,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:16:41,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:16:41,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 144 [2023-08-25 03:16:41,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:16:41,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 144 [2023-08-25 03:16:41,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:16:41,424 INFO L124 PetriNetUnfolderBase]: 62/140 cut-off events. [2023-08-25 03:16:41,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:16:41,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 140 events. 62/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 532 event pairs, 8 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 275. Up to 70 conditions per place. [2023-08-25 03:16:41,427 INFO L140 encePairwiseOnDemand]: 139/144 looper letters, 22 selfloop transitions, 3 changer transitions 2/28 dead transitions. [2023-08-25 03:16:41,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 28 transitions, 113 flow [2023-08-25 03:16:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:16:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:16:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2023-08-25 03:16:41,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2023-08-25 03:16:41,439 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2023-08-25 03:16:41,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2023-08-25 03:16:41,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:16:41,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2023-08-25 03:16:41,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,450 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,451 INFO L175 Difference]: Start difference. First operand has 21 places, 18 transitions, 39 flow. Second operand 3 states and 252 transitions. [2023-08-25 03:16:41,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 28 transitions, 113 flow [2023-08-25 03:16:41,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 28 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:16:41,455 INFO L231 Difference]: Finished difference. Result has 23 places, 19 transitions, 58 flow [2023-08-25 03:16:41,456 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=23, PETRI_TRANSITIONS=19} [2023-08-25 03:16:41,459 INFO L281 CegarLoopForPetriNet]: 21 programPoint places, 2 predicate places. [2023-08-25 03:16:41,459 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 19 transitions, 58 flow [2023-08-25 03:16:41,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:16:41,460 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 03:16:41,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:16:41,460 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-25 03:16:41,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:16:41,461 INFO L85 PathProgramCache]: Analyzing trace with hash -454434442, now seen corresponding path program 1 times [2023-08-25 03:16:41,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:16:41,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996470430] [2023-08-25 03:16:41,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:16:41,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:16:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:16:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:16:41,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:16:41,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996470430] [2023-08-25 03:16:41,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996470430] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:16:41,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:16:41,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:16:41,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232759691] [2023-08-25 03:16:41,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:16:41,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:16:41,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:16:41,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:16:41,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:16:41,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 144 [2023-08-25 03:16:41,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:16:41,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 144 [2023-08-25 03:16:41,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:16:41,570 INFO L124 PetriNetUnfolderBase]: 58/132 cut-off events. [2023-08-25 03:16:41,571 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-08-25 03:16:41,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 132 events. 58/132 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 455 event pairs, 28 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 298. Up to 111 conditions per place. [2023-08-25 03:16:41,573 INFO L140 encePairwiseOnDemand]: 140/144 looper letters, 16 selfloop transitions, 4 changer transitions 8/29 dead transitions. [2023-08-25 03:16:41,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 29 transitions, 144 flow [2023-08-25 03:16:41,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:16:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:16:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2023-08-25 03:16:41,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5625 [2023-08-25 03:16:41,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2023-08-25 03:16:41,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2023-08-25 03:16:41,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:16:41,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2023-08-25 03:16:41,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,579 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,580 INFO L175 Difference]: Start difference. First operand has 23 places, 19 transitions, 58 flow. Second operand 3 states and 243 transitions. [2023-08-25 03:16:41,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 29 transitions, 144 flow [2023-08-25 03:16:41,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 29 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:16:41,581 INFO L231 Difference]: Finished difference. Result has 24 places, 19 transitions, 68 flow [2023-08-25 03:16:41,581 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=24, PETRI_TRANSITIONS=19} [2023-08-25 03:16:41,582 INFO L281 CegarLoopForPetriNet]: 21 programPoint places, 3 predicate places. [2023-08-25 03:16:41,582 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 19 transitions, 68 flow [2023-08-25 03:16:41,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:16:41,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:16:41,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:16:41,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:16:41,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-25 03:16:41,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:16:41,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1421851684, now seen corresponding path program 1 times [2023-08-25 03:16:41,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:16:41,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956501119] [2023-08-25 03:16:41,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:16:41,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:16:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:16:41,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:16:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:16:41,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:16:41,633 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:16:41,634 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2023-08-25 03:16:41,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-08-25 03:16:41,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-08-25 03:16:41,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-08-25 03:16:41,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2023-08-25 03:16:41,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:16:41,636 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-25 03:16:41,642 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:16:41,642 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:16:41,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:16:41 BasicIcfg [2023-08-25 03:16:41,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:16:41,661 INFO L158 Benchmark]: Toolchain (without parser) took 4201.01ms. Allocated memory is still 388.0MB. Free memory was 341.7MB in the beginning and 286.8MB in the end (delta: 54.9MB). Peak memory consumption was 55.9MB. Max. memory is 16.0GB. [2023-08-25 03:16:41,661 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 388.0MB. Free memory was 365.1MB in the beginning and 364.9MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:16:41,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.31ms. Allocated memory is still 388.0MB. Free memory was 341.7MB in the beginning and 314.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-25 03:16:41,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.34ms. Allocated memory is still 388.0MB. Free memory was 314.4MB in the beginning and 312.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:16:41,662 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 388.0MB. Free memory was 312.3MB in the beginning and 310.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:16:41,663 INFO L158 Benchmark]: RCFGBuilder took 314.77ms. Allocated memory is still 388.0MB. Free memory was 310.2MB in the beginning and 294.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-25 03:16:41,663 INFO L158 Benchmark]: TraceAbstraction took 3153.78ms. Allocated memory is still 388.0MB. Free memory was 293.4MB in the beginning and 286.8MB in the end (delta: 6.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.0GB. [2023-08-25 03:16:41,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 388.0MB. Free memory was 365.1MB in the beginning and 364.9MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 620.31ms. Allocated memory is still 388.0MB. Free memory was 341.7MB in the beginning and 314.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 65.34ms. Allocated memory is still 388.0MB. Free memory was 314.4MB in the beginning and 312.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 388.0MB. Free memory was 312.3MB in the beginning and 310.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 314.77ms. Allocated memory is still 388.0MB. Free memory was 310.2MB in the beginning and 294.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 3153.78ms. Allocated memory is still 388.0MB. Free memory was 293.4MB in the beginning and 286.8MB in the end (delta: 6.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 736]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [736] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 77 PlacesBefore, 21 PlacesAfterwards, 74 TransitionsBefore, 18 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 2066 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1257, independent: 1113, independent conditional: 0, independent unconditional: 1113, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 513, independent: 492, independent conditional: 0, independent unconditional: 492, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1257, independent: 621, independent conditional: 0, independent unconditional: 621, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 513, unknown conditional: 0, unknown unconditional: 513] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L919] 0 int (*fp)() = f1; [L920] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L921] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L929] 0 pthread_t id; [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L924] 1 fp = f2 VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, mutex1={1:0}, mutex2={2:0}] [L932] 0 fp() VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, id={3:0}, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~fp~0 between C: fp = f2 [924] and C: fp() [932] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 96 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-25 03:16:41,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...