/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_19-call_by_ptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:15:37,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:15:37,294 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 03:15:37,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:15:37,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:15:37,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:15:37,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:15:37,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:15:37,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:15:37,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:15:37,343 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:15:37,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:15:37,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:15:37,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:15:37,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:15:37,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:15:37,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:15:37,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:15:37,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:15:37,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:15:37,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:15:37,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:15:37,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:15:37,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:15:37,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:15:37,349 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:15:37,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:15:37,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:15:37,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:15:37,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:15:37,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:15:37,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:15:37,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:15:37,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:15:37,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:15:37,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:15:37,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:15:37,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:15:37,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:15:37,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:15:37,697 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:15:37,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2023-08-25 03:15:38,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:15:39,118 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:15:39,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2023-08-25 03:15:39,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23ac6b45f/08d5d947cdf24a4291ff7ffbfe9b90f2/FLAGac5c473a9 [2023-08-25 03:15:39,145 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23ac6b45f/08d5d947cdf24a4291ff7ffbfe9b90f2 [2023-08-25 03:15:39,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:15:39,148 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:15:39,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:15:39,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:15:39,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:15:39,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e28ccd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39, skipping insertion in model container [2023-08-25 03:15:39,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,203 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:15:39,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:15:39,533 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:15:39,560 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245] [2023-08-25 03:15:39,562 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245] [2023-08-25 03:15:39,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:15:39,623 WARN L669 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 03:15:39,629 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:15:39,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39 WrapperNode [2023-08-25 03:15:39,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:15:39,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:15:39,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:15:39,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:15:39,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,688 INFO L138 Inliner]: procedures = 166, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-08-25 03:15:39,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:15:39,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:15:39,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:15:39,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:15:39,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:15:39,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:15:39,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:15:39,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:15:39,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (1/1) ... [2023-08-25 03:15:39,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:15:39,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:15:39,761 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 03:15:39,790 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 03:15:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:15:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:15:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:15:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:15:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:15:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:15:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:15:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:15:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:15:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:15:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:15:39,810 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 03:15:39,958 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:15:39,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:15:40,171 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:15:40,178 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:15:40,178 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-25 03:15:40,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:15:40 BoogieIcfgContainer [2023-08-25 03:15:40,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:15:40,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:15:40,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:15:40,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:15:40,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:15:39" (1/3) ... [2023-08-25 03:15:40,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5c2ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:15:40, skipping insertion in model container [2023-08-25 03:15:40,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:15:39" (2/3) ... [2023-08-25 03:15:40,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5c2ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:15:40, skipping insertion in model container [2023-08-25 03:15:40,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:15:40" (3/3) ... [2023-08-25 03:15:40,192 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2023-08-25 03:15:40,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:15:40,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-25 03:15:40,210 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:15:40,265 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-25 03:15:40,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 100 transitions, 208 flow [2023-08-25 03:15:40,348 INFO L124 PetriNetUnfolderBase]: 3/99 cut-off events. [2023-08-25 03:15:40,348 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 03:15:40,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 99 events. 3/99 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 119 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2023-08-25 03:15:40,353 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 100 transitions, 208 flow [2023-08-25 03:15:40,356 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 92 transitions, 187 flow [2023-08-25 03:15:40,359 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:15:40,366 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 92 transitions, 187 flow [2023-08-25 03:15:40,369 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 92 transitions, 187 flow [2023-08-25 03:15:40,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 92 transitions, 187 flow [2023-08-25 03:15:40,388 INFO L124 PetriNetUnfolderBase]: 3/92 cut-off events. [2023-08-25 03:15:40,388 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:15:40,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 92 events. 3/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 94 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2023-08-25 03:15:40,390 INFO L119 LiptonReduction]: Number of co-enabled transitions 1560 [2023-08-25 03:15:42,997 INFO L134 LiptonReduction]: Checked pairs total: 4108 [2023-08-25 03:15:42,998 INFO L136 LiptonReduction]: Total number of compositions: 75 [2023-08-25 03:15:43,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:15:43,015 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;@7dc13f93, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:15:43,015 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-25 03:15:43,018 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:15:43,019 INFO L124 PetriNetUnfolderBase]: 1/8 cut-off events. [2023-08-25 03:15:43,019 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:15:43,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:43,019 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 03:15:43,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:43,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash 10300767, now seen corresponding path program 1 times [2023-08-25 03:15:43,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:43,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783892224] [2023-08-25 03:15:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:43,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:43,169 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 03:15:43,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:43,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783892224] [2023-08-25 03:15:43,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783892224] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:43,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:43,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 03:15:43,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538409012] [2023-08-25 03:15:43,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:43,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:15:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:43,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:15:43,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:15:43,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 175 [2023-08-25 03:15:43,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 51 flow. Second operand has 2 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 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 03:15:43,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:43,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 175 [2023-08-25 03:15:43,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:43,234 INFO L124 PetriNetUnfolderBase]: 23/74 cut-off events. [2023-08-25 03:15:43,235 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:15:43,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 74 events. 23/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 229 event pairs, 15 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 118. Up to 49 conditions per place. [2023-08-25 03:15:43,237 INFO L140 encePairwiseOnDemand]: 174/175 looper letters, 12 selfloop transitions, 0 changer transitions 0/23 dead transitions. [2023-08-25 03:15:43,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 23 transitions, 73 flow [2023-08-25 03:15:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:15:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:15:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 207 transitions. [2023-08-25 03:15:43,247 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5914285714285714 [2023-08-25 03:15:43,248 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 207 transitions. [2023-08-25 03:15:43,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 207 transitions. [2023-08-25 03:15:43,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:43,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 207 transitions. [2023-08-25 03:15:43,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 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 03:15:43,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 03:15:43,258 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 03:15:43,259 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 51 flow. Second operand 2 states and 207 transitions. [2023-08-25 03:15:43,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 23 transitions, 73 flow [2023-08-25 03:15:43,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 72 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:15:43,262 INFO L231 Difference]: Finished difference. Result has 25 places, 23 transitions, 48 flow [2023-08-25 03:15:43,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=23} [2023-08-25 03:15:43,267 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, -1 predicate places. [2023-08-25 03:15:43,267 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 23 transitions, 48 flow [2023-08-25 03:15:43,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 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 03:15:43,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:43,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-25 03:15:43,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:15:43,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:43,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:43,270 INFO L85 PathProgramCache]: Analyzing trace with hash 319300188, now seen corresponding path program 1 times [2023-08-25 03:15:43,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:43,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487168324] [2023-08-25 03:15:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:43,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:43,358 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 03:15:43,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487168324] [2023-08-25 03:15:43,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487168324] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:43,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:43,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:15:43,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040884468] [2023-08-25 03:15:43,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:43,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:15:43,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:15:43,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:15:43,362 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 175 [2023-08-25 03:15:43,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 23 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 03:15:43,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:43,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 175 [2023-08-25 03:15:43,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:43,428 INFO L124 PetriNetUnfolderBase]: 112/237 cut-off events. [2023-08-25 03:15:43,428 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:15:43,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 472 conditions, 237 events. 112/237 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 897 event pairs, 41 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 469. Up to 146 conditions per place. [2023-08-25 03:15:43,430 INFO L140 encePairwiseOnDemand]: 167/175 looper letters, 34 selfloop transitions, 6 changer transitions 0/41 dead transitions. [2023-08-25 03:15:43,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 41 transitions, 164 flow [2023-08-25 03:15:43,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:15:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:15:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2023-08-25 03:15:43,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5657142857142857 [2023-08-25 03:15:43,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2023-08-25 03:15:43,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2023-08-25 03:15:43,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:43,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2023-08-25 03:15:43,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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 03:15:43,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 03:15:43,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 03:15:43,437 INFO L175 Difference]: Start difference. First operand has 25 places, 23 transitions, 48 flow. Second operand 3 states and 297 transitions. [2023-08-25 03:15:43,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 41 transitions, 164 flow [2023-08-25 03:15:43,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 41 transitions, 164 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:15:43,438 INFO L231 Difference]: Finished difference. Result has 29 places, 29 transitions, 100 flow [2023-08-25 03:15:43,439 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=29, PETRI_TRANSITIONS=29} [2023-08-25 03:15:43,439 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2023-08-25 03:15:43,439 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 29 transitions, 100 flow [2023-08-25 03:15:43,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 03:15:43,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:43,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:43,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:15:43,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:43,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:43,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1080409228, now seen corresponding path program 1 times [2023-08-25 03:15:43,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:43,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468267748] [2023-08-25 03:15:43,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:43,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:43,491 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 03:15:43,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:43,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468267748] [2023-08-25 03:15:43,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468267748] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:43,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:43,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:15:43,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580743368] [2023-08-25 03:15:43,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:43,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:15:43,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:43,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:15:43,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:15:43,494 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 175 [2023-08-25 03:15:43,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 29 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 03:15:43,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:43,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 175 [2023-08-25 03:15:43,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:43,558 INFO L124 PetriNetUnfolderBase]: 126/261 cut-off events. [2023-08-25 03:15:43,559 INFO L125 PetriNetUnfolderBase]: For 115/115 co-relation queries the response was YES. [2023-08-25 03:15:43,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 261 events. 126/261 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 933 event pairs, 42 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 658. Up to 196 conditions per place. [2023-08-25 03:15:43,561 INFO L140 encePairwiseOnDemand]: 169/175 looper letters, 36 selfloop transitions, 7 changer transitions 1/45 dead transitions. [2023-08-25 03:15:43,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 45 transitions, 238 flow [2023-08-25 03:15:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:15:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:15:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2023-08-25 03:15:43,567 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5447619047619048 [2023-08-25 03:15:43,567 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 286 transitions. [2023-08-25 03:15:43,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 286 transitions. [2023-08-25 03:15:43,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:43,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 286 transitions. [2023-08-25 03:15:43,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 03:15:43,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 03:15:43,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 03:15:43,572 INFO L175 Difference]: Start difference. First operand has 29 places, 29 transitions, 100 flow. Second operand 3 states and 286 transitions. [2023-08-25 03:15:43,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 45 transitions, 238 flow [2023-08-25 03:15:43,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 45 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:15:43,575 INFO L231 Difference]: Finished difference. Result has 31 places, 34 transitions, 144 flow [2023-08-25 03:15:43,575 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=31, PETRI_TRANSITIONS=34} [2023-08-25 03:15:43,576 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 5 predicate places. [2023-08-25 03:15:43,576 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 34 transitions, 144 flow [2023-08-25 03:15:43,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 03:15:43,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:43,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:43,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:15:43,577 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:43,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:43,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1334146282, now seen corresponding path program 1 times [2023-08-25 03:15:43,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:43,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654236324] [2023-08-25 03:15:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:43,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:15:43,623 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 03:15:43,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:15:43,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654236324] [2023-08-25 03:15:43,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654236324] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:15:43,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:15:43,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:15:43,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407990429] [2023-08-25 03:15:43,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:15:43,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:15:43,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:15:43,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:15:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:15:43,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 175 [2023-08-25 03:15:43,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 34 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 03:15:43,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:15:43,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 175 [2023-08-25 03:15:43,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:15:43,689 INFO L124 PetriNetUnfolderBase]: 124/262 cut-off events. [2023-08-25 03:15:43,689 INFO L125 PetriNetUnfolderBase]: For 183/183 co-relation queries the response was YES. [2023-08-25 03:15:43,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 262 events. 124/262 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 964 event pairs, 42 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 751. Up to 209 conditions per place. [2023-08-25 03:15:43,691 INFO L140 encePairwiseOnDemand]: 169/175 looper letters, 32 selfloop transitions, 8 changer transitions 7/48 dead transitions. [2023-08-25 03:15:43,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 48 transitions, 300 flow [2023-08-25 03:15:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:15:43,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:15:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2023-08-25 03:15:43,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5314285714285715 [2023-08-25 03:15:43,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2023-08-25 03:15:43,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2023-08-25 03:15:43,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:15:43,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2023-08-25 03:15:43,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 03:15:43,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 03:15:43,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 03:15:43,697 INFO L175 Difference]: Start difference. First operand has 31 places, 34 transitions, 144 flow. Second operand 3 states and 279 transitions. [2023-08-25 03:15:43,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 48 transitions, 300 flow [2023-08-25 03:15:43,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 48 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 03:15:43,699 INFO L231 Difference]: Finished difference. Result has 33 places, 36 transitions, 180 flow [2023-08-25 03:15:43,700 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=33, PETRI_TRANSITIONS=36} [2023-08-25 03:15:43,700 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places. [2023-08-25 03:15:43,700 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 36 transitions, 180 flow [2023-08-25 03:15:43,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 03:15:43,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:15:43,701 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:15:43,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:15:43,701 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-25 03:15:43,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:15:43,702 INFO L85 PathProgramCache]: Analyzing trace with hash -204298300, now seen corresponding path program 1 times [2023-08-25 03:15:43,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:15:43,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613023953] [2023-08-25 03:15:43,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:15:43,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:15:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:15:43,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:15:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:15:43,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:15:43,785 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:15:43,786 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-25 03:15:43,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-25 03:15:43,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-25 03:15:43,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-08-25 03:15:43,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-08-25 03:15:43,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-25 03:15:43,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-25 03:15:43,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-25 03:15:43,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 03:15:43,790 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-25 03:15:43,796 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:15:43,796 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:15:43,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:15:43 BasicIcfg [2023-08-25 03:15:43,821 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:15:43,821 INFO L158 Benchmark]: Toolchain (without parser) took 4673.57ms. Allocated memory was 348.1MB in the beginning and 419.4MB in the end (delta: 71.3MB). Free memory was 322.6MB in the beginning and 298.4MB in the end (delta: 24.2MB). Peak memory consumption was 96.9MB. Max. memory is 16.0GB. [2023-08-25 03:15:43,822 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory is still 324.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:15:43,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.17ms. Allocated memory is still 348.1MB. Free memory was 322.6MB in the beginning and 303.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 03:15:43,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.76ms. Allocated memory is still 348.1MB. Free memory was 303.0MB in the beginning and 300.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:15:43,823 INFO L158 Benchmark]: Boogie Preprocessor took 34.17ms. Allocated memory is still 348.1MB. Free memory was 300.9MB in the beginning and 299.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:15:43,823 INFO L158 Benchmark]: RCFGBuilder took 455.30ms. Allocated memory is still 348.1MB. Free memory was 299.2MB in the beginning and 284.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-25 03:15:43,824 INFO L158 Benchmark]: TraceAbstraction took 3639.05ms. Allocated memory was 348.1MB in the beginning and 419.4MB in the end (delta: 71.3MB). Free memory was 284.5MB in the beginning and 298.4MB in the end (delta: -13.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.0GB. [2023-08-25 03:15:43,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory is still 324.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 481.17ms. Allocated memory is still 348.1MB. Free memory was 322.6MB in the beginning and 303.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 57.76ms. Allocated memory is still 348.1MB. Free memory was 303.0MB in the beginning and 300.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.17ms. Allocated memory is still 348.1MB. Free memory was 300.9MB in the beginning and 299.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 455.30ms. Allocated memory is still 348.1MB. Free memory was 299.2MB in the beginning and 284.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 3639.05ms. Allocated memory was 348.1MB in the beginning and 419.4MB in the end (delta: 71.3MB). Free memory was 284.5MB in the beginning and 298.4MB in the end (delta: -13.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 245]: Unsoundness Warning unspecified type, defaulting to int C: short [245] - GenericResultAtLocation [Line: 245]: Unsoundness Warning unspecified type, defaulting to int C: short [245] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 93 PlacesBefore, 26 PlacesAfterwards, 92 TransitionsBefore, 24 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 4108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1858, independent: 1648, independent conditional: 0, independent unconditional: 1648, dependent: 210, dependent conditional: 0, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 794, independent: 763, independent conditional: 0, independent unconditional: 763, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1858, independent: 885, independent conditional: 0, independent unconditional: 885, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 794, unknown conditional: 0, unknown unconditional: 794] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 697]: Data race detected Data race detected The following path leads to a data race: [L686] 0 int glob; [L687] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L688] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L702] 0 pthread_t id; [L703] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L704] CALL 0 foo(bar) [L681] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L691] EXPR 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 [L682] COND TRUE 0 __VERIFIER_nondet_int() [L683] CALL 0 callback() [L691] EXPR 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~glob~0 between C: glob=glob+1 [691] and C: glob+1 [697] - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: 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: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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, 115 locations, 8 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: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 27 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=4, InterpolantAutomatonStates: 11, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 03:15:43,862 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...