/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:36:29,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:36:29,761 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-NoLbe.epf [2023-11-30 01:36:29,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:36:29,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:36:29,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:36:29,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:36:29,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:36:29,784 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:36:29,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:36:29,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:36:29,787 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:36:29,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:36:29,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:36:29,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:36:29,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:36:29,790 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:36:29,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:36:29,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:36:29,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:36:29,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:36:29,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:36:29,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:36:29,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:36:29,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:36:29,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:36:29,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:36:30,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:36:30,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:36:30,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:36:30,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:36:30,044 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:36:30,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-11-30 01:36:31,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:36:31,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:36:31,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-11-30 01:36:31,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec64abe91/bc25a31655b04ead9c81f270d1ea453e/FLAGde03ef2e2 [2023-11-30 01:36:31,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec64abe91/bc25a31655b04ead9c81f270d1ea453e [2023-11-30 01:36:31,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:36:31,429 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:36:31,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:36:31,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:36:31,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:36:31,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:31,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6890a405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31, skipping insertion in model container [2023-11-30 01:36:31,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:31,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:36:31,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:36:31,799 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:36:31,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:36:31,926 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:36:31,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31 WrapperNode [2023-11-30 01:36:31,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:36:31,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:36:31,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:36:31,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:36:31,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:31,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,051 INFO L138 Inliner]: procedures = 264, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-30 01:36:32,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:36:32,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:36:32,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:36:32,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:36:32,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:36:32,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:36:32,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:36:32,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:36:32,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (1/1) ... [2023-11-30 01:36:32,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:36:32,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:36:32,102 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) [2023-11-30 01:36:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:36:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:36:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:36:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:36:32,124 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 01:36:32,127 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 [2023-11-30 01:36:32,271 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:36:32,272 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:36:32,400 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:36:32,416 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:36:32,416 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:36:32,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:36:32 BoogieIcfgContainer [2023-11-30 01:36:32,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:36:32,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:36:32,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:36:32,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:36:32,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:36:31" (1/3) ... [2023-11-30 01:36:32,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f0fb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:36:32, skipping insertion in model container [2023-11-30 01:36:32,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:31" (2/3) ... [2023-11-30 01:36:32,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f0fb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:36:32, skipping insertion in model container [2023-11-30 01:36:32,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:36:32" (3/3) ... [2023-11-30 01:36:32,422 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2023-11-30 01:36:32,434 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:36:32,434 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-30 01:36:32,434 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:36:32,469 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 01:36:32,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 195 flow [2023-11-30 01:36:32,526 INFO L124 PetriNetUnfolderBase]: 0/93 cut-off events. [2023-11-30 01:36:32,527 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:36:32,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 0/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-30 01:36:32,529 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 94 transitions, 195 flow [2023-11-30 01:36:32,531 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 85 transitions, 173 flow [2023-11-30 01:36:32,537 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:36:32,541 INFO L362 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@27d17407, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:36:32,541 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-30 01:36:32,549 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:36:32,549 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2023-11-30 01:36:32,549 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:36:32,550 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:32,550 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:36:32,550 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:32,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:32,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1601016444, now seen corresponding path program 1 times [2023-11-30 01:36:32,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:32,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18536067] [2023-11-30 01:36:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:32,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:32,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:32,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18536067] [2023-11-30 01:36:32,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18536067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:32,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:32,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:32,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368166340] [2023-11-30 01:36:32,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:32,742 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:32,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:32,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:32,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:32,762 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 94 [2023-11-30 01:36:32,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2023-11-30 01:36:32,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:32,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 94 [2023-11-30 01:36:32,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:32,851 INFO L124 PetriNetUnfolderBase]: 79/428 cut-off events. [2023-11-30 01:36:32,851 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:36:32,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 428 events. 79/428 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2009 event pairs, 18 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 579. Up to 116 conditions per place. [2023-11-30 01:36:32,861 INFO L140 encePairwiseOnDemand]: 85/94 looper letters, 25 selfloop transitions, 6 changer transitions 0/97 dead transitions. [2023-11-30 01:36:32,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 97 transitions, 259 flow [2023-11-30 01:36:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2023-11-30 01:36:32,870 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9078014184397163 [2023-11-30 01:36:32,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2023-11-30 01:36:32,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2023-11-30 01:36:32,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:32,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2023-11-30 01:36:32,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-30 01:36:32,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2023-11-30 01:36:32,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2023-11-30 01:36:32,880 INFO L307 CegarLoopForPetriNet]: 89 programPoint places, 1 predicate places. [2023-11-30 01:36:32,880 INFO L500 AbstractCegarLoop]: Abstraction has has 90 places, 97 transitions, 259 flow [2023-11-30 01:36:32,881 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2023-11-30 01:36:32,881 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:32,881 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:36:32,881 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:36:32,881 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:32,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:32,882 INFO L85 PathProgramCache]: Analyzing trace with hash 256705991, now seen corresponding path program 1 times [2023-11-30 01:36:32,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:32,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150566142] [2023-11-30 01:36:32,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:32,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:32,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:32,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150566142] [2023-11-30 01:36:32,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150566142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:32,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:32,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:32,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946549979] [2023-11-30 01:36:32,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:32,958 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:32,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:32,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:32,960 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 94 [2023-11-30 01:36:32,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 97 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2023-11-30 01:36:32,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:32,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 94 [2023-11-30 01:36:32,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:33,082 INFO L124 PetriNetUnfolderBase]: 103/533 cut-off events. [2023-11-30 01:36:33,082 INFO L125 PetriNetUnfolderBase]: For 56/79 co-relation queries the response was YES. [2023-11-30 01:36:33,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 533 events. 103/533 cut-off events. For 56/79 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2775 event pairs, 24 based on Foata normal form. 5/508 useless extension candidates. Maximal degree in co-relation 940. Up to 184 conditions per place. [2023-11-30 01:36:33,088 INFO L140 encePairwiseOnDemand]: 88/94 looper letters, 44 selfloop transitions, 6 changer transitions 0/114 dead transitions. [2023-11-30 01:36:33,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 114 transitions, 425 flow [2023-11-30 01:36:33,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2023-11-30 01:36:33,094 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8829787234042553 [2023-11-30 01:36:33,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 249 transitions. [2023-11-30 01:36:33,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 249 transitions. [2023-11-30 01:36:33,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:33,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 249 transitions. [2023-11-30 01:36:33,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2023-11-30 01:36:33,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2023-11-30 01:36:33,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2023-11-30 01:36:33,102 INFO L307 CegarLoopForPetriNet]: 89 programPoint places, 3 predicate places. [2023-11-30 01:36:33,103 INFO L500 AbstractCegarLoop]: Abstraction has has 92 places, 114 transitions, 425 flow [2023-11-30 01:36:33,103 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2023-11-30 01:36:33,103 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:33,103 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:36:33,103 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:36:33,103 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:33,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:33,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1846876662, now seen corresponding path program 1 times [2023-11-30 01:36:33,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:33,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260100987] [2023-11-30 01:36:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:33,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:33,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260100987] [2023-11-30 01:36:33,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260100987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:33,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:33,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 01:36:33,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553401605] [2023-11-30 01:36:33,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:33,287 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:33,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:33,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:33,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:33,288 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 94 [2023-11-30 01:36:33,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 114 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2023-11-30 01:36:33,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:33,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 94 [2023-11-30 01:36:33,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:33,314 INFO L124 PetriNetUnfolderBase]: 1/140 cut-off events. [2023-11-30 01:36:33,314 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2023-11-30 01:36:33,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 140 events. 1/140 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 189 event pairs, 0 based on Foata normal form. 20/158 useless extension candidates. Maximal degree in co-relation 198. Up to 38 conditions per place. [2023-11-30 01:36:33,314 INFO L140 encePairwiseOnDemand]: 88/94 looper letters, 7 selfloop transitions, 8 changer transitions 1/85 dead transitions. [2023-11-30 01:36:33,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 85 transitions, 283 flow [2023-11-30 01:36:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2023-11-30 01:36:33,316 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9078014184397163 [2023-11-30 01:36:33,316 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2023-11-30 01:36:33,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2023-11-30 01:36:33,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:33,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2023-11-30 01:36:33,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-30 01:36:33,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2023-11-30 01:36:33,317 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2023-11-30 01:36:33,318 INFO L307 CegarLoopForPetriNet]: 89 programPoint places, 2 predicate places. [2023-11-30 01:36:33,318 INFO L500 AbstractCegarLoop]: Abstraction has has 91 places, 85 transitions, 283 flow [2023-11-30 01:36:33,318 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2023-11-30 01:36:33,318 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:33,319 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:36:33,319 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:36:33,319 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:33,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash 140330679, now seen corresponding path program 1 times [2023-11-30 01:36:33,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:33,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173577915] [2023-11-30 01:36:33,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:33,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:33,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:33,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173577915] [2023-11-30 01:36:33,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173577915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:33,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:33,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:36:33,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076082097] [2023-11-30 01:36:33,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:33,668 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:36:33,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:33,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:36:33,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:36:33,671 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 94 [2023-11-30 01:36:33,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 85 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 75.33333333333333) internal successors, (452), 6 states have internal predecessors, (452), 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) [2023-11-30 01:36:33,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:33,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 94 [2023-11-30 01:36:33,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:33,724 INFO L124 PetriNetUnfolderBase]: 13/173 cut-off events. [2023-11-30 01:36:33,724 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2023-11-30 01:36:33,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 173 events. 13/173 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 367 event pairs, 2 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 328. Up to 54 conditions per place. [2023-11-30 01:36:33,725 INFO L140 encePairwiseOnDemand]: 89/94 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2023-11-30 01:36:33,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 92 transitions, 397 flow [2023-11-30 01:36:33,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:36:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:36:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 463 transitions. [2023-11-30 01:36:33,726 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8209219858156028 [2023-11-30 01:36:33,727 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 463 transitions. [2023-11-30 01:36:33,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 463 transitions. [2023-11-30 01:36:33,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:33,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 463 transitions. [2023-11-30 01:36:33,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.16666666666667) internal successors, (463), 6 states have internal predecessors, (463), 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) [2023-11-30 01:36:33,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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) [2023-11-30 01:36:33,730 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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) [2023-11-30 01:36:33,731 INFO L307 CegarLoopForPetriNet]: 89 programPoint places, 6 predicate places. [2023-11-30 01:36:33,732 INFO L500 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 397 flow [2023-11-30 01:36:33,732 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.33333333333333) internal successors, (452), 6 states have internal predecessors, (452), 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) [2023-11-30 01:36:33,737 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_15-funarg_nr.i_BEv2_AllErrorsAtOnce [2023-11-30 01:36:33,757 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-30 01:36:33,757 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-30 01:36:33,757 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-30 01:36:33,758 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-30 01:36:33,758 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-30 01:36:33,758 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-30 01:36:33,758 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-30 01:36:33,758 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-30 01:36:33,758 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:36:33,759 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-30 01:36:33,763 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:36:33,763 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:36:33,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:36:33 BasicIcfg [2023-11-30 01:36:33,767 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:36:33,767 INFO L158 Benchmark]: Toolchain (without parser) took 2337.94ms. Allocated memory is still 576.7MB. Free memory was 519.3MB in the beginning and 407.9MB in the end (delta: 111.3MB). Peak memory consumption was 113.4MB. Max. memory is 16.0GB. [2023-11-30 01:36:33,767 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 375.4MB. Free memory is still 323.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:36:33,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.94ms. Allocated memory is still 576.7MB. Free memory was 519.0MB in the beginning and 491.1MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-11-30 01:36:33,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.19ms. Allocated memory is still 576.7MB. Free memory was 491.1MB in the beginning and 488.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 01:36:33,768 INFO L158 Benchmark]: Boogie Preprocessor took 22.19ms. Allocated memory is still 576.7MB. Free memory was 488.5MB in the beginning and 487.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:36:33,768 INFO L158 Benchmark]: RCFGBuilder took 342.38ms. Allocated memory is still 576.7MB. Free memory was 487.0MB in the beginning and 531.2MB in the end (delta: -44.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-11-30 01:36:33,769 INFO L158 Benchmark]: TraceAbstraction took 1348.62ms. Allocated memory is still 576.7MB. Free memory was 530.4MB in the beginning and 407.9MB in the end (delta: 122.4MB). Peak memory consumption was 124.4MB. Max. memory is 16.0GB. [2023-11-30 01:36:33,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 375.4MB. Free memory is still 323.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 496.94ms. Allocated memory is still 576.7MB. Free memory was 519.0MB in the beginning and 491.1MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 116.19ms. Allocated memory is still 576.7MB. Free memory was 491.1MB in the beginning and 488.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.19ms. Allocated memory is still 576.7MB. Free memory was 488.5MB in the beginning and 487.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 342.38ms. Allocated memory is still 576.7MB. Free memory was 487.0MB in the beginning and 531.2MB in the end (delta: -44.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1348.62ms. Allocated memory is still 576.7MB. Free memory was 530.4MB in the beginning and 407.9MB in the end (delta: 122.4MB). Peak memory consumption was 124.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 113 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: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 33 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=425occurred in iteration=2, InterpolantAutomatonStates: 15, 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, 0.6s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:36:33,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...