/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/weaver/bench-exp1x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:38:37,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:38:37,900 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 02:38:37,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:38:37,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:38:37,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:38:37,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:38:37,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:38:37,926 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:38:37,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:38:37,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:38:37,930 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:38:37,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:38:37,931 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:38:37,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:38:37,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:38:37,932 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:38:37,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:38:37,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:38:37,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:38:37,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:38:37,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:38:37,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:38:37,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:38:37,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:38:37,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:38:37,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:38:38,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:38:38,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:38:38,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:38:38,133 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:38:38,134 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:38:38,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2023-11-30 02:38:39,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:38:39,199 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:38:39,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2023-11-30 02:38:39,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4824febd/1f01bab14d6b4066be1cab4705b10a06/FLAG0a380291e [2023-11-30 02:38:39,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4824febd/1f01bab14d6b4066be1cab4705b10a06 [2023-11-30 02:38:39,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:38:39,216 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:38:39,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:38:39,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:38:39,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:38:39,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578410eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39, skipping insertion in model container [2023-11-30 02:38:39,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:38:39,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:38:39,345 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:38:39,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:38:39,369 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:38:39,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39 WrapperNode [2023-11-30 02:38:39,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:38:39,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:38:39,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:38:39,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:38:39,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,398 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-30 02:38:39,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:38:39,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:38:39,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:38:39,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:38:39,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:38:39,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:38:39,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:38:39,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:38:39,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (1/1) ... [2023-11-30 02:38:39,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:38:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:38:39,443 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 02:38:39,465 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 02:38:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:38:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 02:38:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 02:38:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 02:38:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 02:38:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:38:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:38:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:38:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:38:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:38:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 02:38:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:38:39,473 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 02:38:39,566 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:38:39,569 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:38:39,755 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:38:39,763 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:38:39,764 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 02:38:39,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:38:39 BoogieIcfgContainer [2023-11-30 02:38:39,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:38:39,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:38:39,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:38:39,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:38:39,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:38:39" (1/3) ... [2023-11-30 02:38:39,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e34e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:38:39, skipping insertion in model container [2023-11-30 02:38:39,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:38:39" (2/3) ... [2023-11-30 02:38:39,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e34e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:38:39, skipping insertion in model container [2023-11-30 02:38:39,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:38:39" (3/3) ... [2023-11-30 02:38:39,771 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2023-11-30 02:38:39,783 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:38:39,783 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-30 02:38:39,783 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:38:39,830 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 02:38:39,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 165 transitions, 344 flow [2023-11-30 02:38:39,897 INFO L124 PetriNetUnfolderBase]: 7/163 cut-off events. [2023-11-30 02:38:39,897 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 02:38:39,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 163 events. 7/163 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 175 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-11-30 02:38:39,901 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 165 transitions, 344 flow [2023-11-30 02:38:39,905 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 142 transitions, 296 flow [2023-11-30 02:38:39,912 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:38:39,916 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;@6c91186b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:38:39,917 INFO L363 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2023-11-30 02:38:39,920 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:38:39,921 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2023-11-30 02:38:39,921 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:38:39,921 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:39,921 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:38:39,922 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:39,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:39,925 INFO L85 PathProgramCache]: Analyzing trace with hash 426265892, now seen corresponding path program 1 times [2023-11-30 02:38:39,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:39,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386154782] [2023-11-30 02:38:39,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:39,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:40,099 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 02:38:40,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:40,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386154782] [2023-11-30 02:38:40,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386154782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:40,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:40,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:40,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360916425] [2023-11-30 02:38:40,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:40,109 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:40,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:40,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:40,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:40,142 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 165 [2023-11-30 02:38:40,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 02:38:40,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:40,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 165 [2023-11-30 02:38:40,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:40,255 INFO L124 PetriNetUnfolderBase]: 16/173 cut-off events. [2023-11-30 02:38:40,255 INFO L125 PetriNetUnfolderBase]: For 20/26 co-relation queries the response was YES. [2023-11-30 02:38:40,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 173 events. 16/173 cut-off events. For 20/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 448 event pairs, 12 based on Foata normal form. 15/157 useless extension candidates. Maximal degree in co-relation 160. Up to 54 conditions per place. [2023-11-30 02:38:40,258 INFO L140 encePairwiseOnDemand]: 159/165 looper letters, 28 selfloop transitions, 2 changer transitions 1/138 dead transitions. [2023-11-30 02:38:40,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 138 transitions, 348 flow [2023-11-30 02:38:40,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2023-11-30 02:38:40,276 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2023-11-30 02:38:40,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 418 transitions. [2023-11-30 02:38:40,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 418 transitions. [2023-11-30 02:38:40,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:40,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 418 transitions. [2023-11-30 02:38:40,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 02:38:40,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,290 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,293 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1 predicate places. [2023-11-30 02:38:40,294 INFO L500 AbstractCegarLoop]: Abstraction has has 144 places, 138 transitions, 348 flow [2023-11-30 02:38:40,294 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 02:38:40,294 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:40,294 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] [2023-11-30 02:38:40,295 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:38:40,295 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:40,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:40,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1665107373, now seen corresponding path program 1 times [2023-11-30 02:38:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:40,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518299100] [2023-11-30 02:38:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:40,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:40,351 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 02:38:40,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:40,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518299100] [2023-11-30 02:38:40,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518299100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:40,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:40,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:40,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596784198] [2023-11-30 02:38:40,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:40,354 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:40,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:40,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:40,356 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 165 [2023-11-30 02:38:40,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 138 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 02:38:40,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:40,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 165 [2023-11-30 02:38:40,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:40,430 INFO L124 PetriNetUnfolderBase]: 29/207 cut-off events. [2023-11-30 02:38:40,431 INFO L125 PetriNetUnfolderBase]: For 258/359 co-relation queries the response was YES. [2023-11-30 02:38:40,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 207 events. 29/207 cut-off events. For 258/359 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 751 event pairs, 24 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 185. Up to 66 conditions per place. [2023-11-30 02:38:40,436 INFO L140 encePairwiseOnDemand]: 162/165 looper letters, 24 selfloop transitions, 2 changer transitions 1/137 dead transitions. [2023-11-30 02:38:40,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 137 transitions, 398 flow [2023-11-30 02:38:40,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-11-30 02:38:40,438 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2023-11-30 02:38:40,438 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-11-30 02:38:40,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-11-30 02:38:40,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:40,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-11-30 02:38:40,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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 02:38:40,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,442 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 2 predicate places. [2023-11-30 02:38:40,442 INFO L500 AbstractCegarLoop]: Abstraction has has 145 places, 137 transitions, 398 flow [2023-11-30 02:38:40,442 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 02:38:40,442 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:40,442 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] [2023-11-30 02:38:40,442 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:38:40,443 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:40,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:40,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1283991674, now seen corresponding path program 1 times [2023-11-30 02:38:40,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:40,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348218521] [2023-11-30 02:38:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:40,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:40,498 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 02:38:40,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:40,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348218521] [2023-11-30 02:38:40,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348218521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:40,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:40,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:40,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577777353] [2023-11-30 02:38:40,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:40,500 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:40,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:40,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:40,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:40,501 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 165 [2023-11-30 02:38:40,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 137 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 02:38:40,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:40,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 165 [2023-11-30 02:38:40,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:40,569 INFO L124 PetriNetUnfolderBase]: 53/315 cut-off events. [2023-11-30 02:38:40,570 INFO L125 PetriNetUnfolderBase]: For 817/1080 co-relation queries the response was YES. [2023-11-30 02:38:40,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 315 events. 53/315 cut-off events. For 817/1080 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1532 event pairs, 39 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 401. Up to 107 conditions per place. [2023-11-30 02:38:40,573 INFO L140 encePairwiseOnDemand]: 162/165 looper letters, 13 selfloop transitions, 2 changer transitions 1/136 dead transitions. [2023-11-30 02:38:40,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 136 transitions, 426 flow [2023-11-30 02:38:40,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2023-11-30 02:38:40,578 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.898989898989899 [2023-11-30 02:38:40,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 445 transitions. [2023-11-30 02:38:40,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 445 transitions. [2023-11-30 02:38:40,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:40,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 445 transitions. [2023-11-30 02:38:40,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 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 02:38:40,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,582 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 3 predicate places. [2023-11-30 02:38:40,582 INFO L500 AbstractCegarLoop]: Abstraction has has 146 places, 136 transitions, 426 flow [2023-11-30 02:38:40,582 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 02:38:40,582 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:40,582 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] [2023-11-30 02:38:40,583 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:38:40,583 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:40,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:40,584 INFO L85 PathProgramCache]: Analyzing trace with hash -38569621, now seen corresponding path program 1 times [2023-11-30 02:38:40,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:40,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925855785] [2023-11-30 02:38:40,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:40,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:40,641 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 02:38:40,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:40,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925855785] [2023-11-30 02:38:40,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925855785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:40,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:40,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:40,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682575229] [2023-11-30 02:38:40,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:40,665 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:40,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:40,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:40,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:40,667 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 165 [2023-11-30 02:38:40,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 136 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 02:38:40,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:40,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 165 [2023-11-30 02:38:40,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:40,733 INFO L124 PetriNetUnfolderBase]: 50/301 cut-off events. [2023-11-30 02:38:40,733 INFO L125 PetriNetUnfolderBase]: For 1115/2017 co-relation queries the response was YES. [2023-11-30 02:38:40,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 301 events. 50/301 cut-off events. For 1115/2017 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1460 event pairs, 33 based on Foata normal form. 6/249 useless extension candidates. Maximal degree in co-relation 427. Up to 104 conditions per place. [2023-11-30 02:38:40,735 INFO L140 encePairwiseOnDemand]: 156/165 looper letters, 20 selfloop transitions, 3 changer transitions 1/132 dead transitions. [2023-11-30 02:38:40,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 132 transitions, 463 flow [2023-11-30 02:38:40,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2023-11-30 02:38:40,737 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8585858585858586 [2023-11-30 02:38:40,737 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 425 transitions. [2023-11-30 02:38:40,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions. [2023-11-30 02:38:40,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:40,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions. [2023-11-30 02:38:40,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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 02:38:40,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,739 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,740 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, -1 predicate places. [2023-11-30 02:38:40,740 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 132 transitions, 463 flow [2023-11-30 02:38:40,741 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 02:38:40,741 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:40,741 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] [2023-11-30 02:38:40,742 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:38:40,742 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:40,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1589308086, now seen corresponding path program 1 times [2023-11-30 02:38:40,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:40,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13551953] [2023-11-30 02:38:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:40,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:40,789 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 02:38:40,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:40,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13551953] [2023-11-30 02:38:40,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13551953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:40,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:40,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:40,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051157753] [2023-11-30 02:38:40,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:40,791 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:40,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:40,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:40,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:40,792 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 165 [2023-11-30 02:38:40,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 132 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 02:38:40,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:40,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 165 [2023-11-30 02:38:40,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:40,843 INFO L124 PetriNetUnfolderBase]: 46/281 cut-off events. [2023-11-30 02:38:40,844 INFO L125 PetriNetUnfolderBase]: For 1279/2025 co-relation queries the response was YES. [2023-11-30 02:38:40,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 281 events. 46/281 cut-off events. For 1279/2025 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1211 event pairs, 27 based on Foata normal form. 1/241 useless extension candidates. Maximal degree in co-relation 437. Up to 84 conditions per place. [2023-11-30 02:38:40,846 INFO L140 encePairwiseOnDemand]: 157/165 looper letters, 16 selfloop transitions, 3 changer transitions 6/129 dead transitions. [2023-11-30 02:38:40,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 129 transitions, 502 flow [2023-11-30 02:38:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2023-11-30 02:38:40,847 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687 [2023-11-30 02:38:40,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 430 transitions. [2023-11-30 02:38:40,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 430 transitions. [2023-11-30 02:38:40,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:40,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 430 transitions. [2023-11-30 02:38:40,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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 02:38:40,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,851 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, -4 predicate places. [2023-11-30 02:38:40,852 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 129 transitions, 502 flow [2023-11-30 02:38:40,852 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 02:38:40,852 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:40,852 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] [2023-11-30 02:38:40,852 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 02:38:40,853 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:40,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:40,853 INFO L85 PathProgramCache]: Analyzing trace with hash 636359542, now seen corresponding path program 1 times [2023-11-30 02:38:40,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:40,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632853950] [2023-11-30 02:38:40,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:40,919 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 02:38:40,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:40,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632853950] [2023-11-30 02:38:40,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632853950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:40,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:40,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:40,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702338372] [2023-11-30 02:38:40,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:40,924 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:40,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:40,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:40,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:40,925 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 165 [2023-11-30 02:38:40,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 129 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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 02:38:40,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:40,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 165 [2023-11-30 02:38:40,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:40,963 INFO L124 PetriNetUnfolderBase]: 39/273 cut-off events. [2023-11-30 02:38:40,964 INFO L125 PetriNetUnfolderBase]: For 2024/2985 co-relation queries the response was YES. [2023-11-30 02:38:40,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 273 events. 39/273 cut-off events. For 2024/2985 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1132 event pairs, 19 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 437. Up to 77 conditions per place. [2023-11-30 02:38:40,967 INFO L140 encePairwiseOnDemand]: 161/165 looper letters, 12 selfloop transitions, 2 changer transitions 6/130 dead transitions. [2023-11-30 02:38:40,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 130 transitions, 547 flow [2023-11-30 02:38:40,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2023-11-30 02:38:40,968 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9212121212121213 [2023-11-30 02:38:40,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2023-11-30 02:38:40,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2023-11-30 02:38:40,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:40,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2023-11-30 02:38:40,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 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 02:38:40,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:40,973 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, -4 predicate places. [2023-11-30 02:38:40,973 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 130 transitions, 547 flow [2023-11-30 02:38:40,974 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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 02:38:40,974 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:40,974 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] [2023-11-30 02:38:40,974 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 02:38:40,975 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:40,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:40,975 INFO L85 PathProgramCache]: Analyzing trace with hash 614713025, now seen corresponding path program 1 times [2023-11-30 02:38:40,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:40,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665846511] [2023-11-30 02:38:40,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:40,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:41,042 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 02:38:41,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:41,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665846511] [2023-11-30 02:38:41,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665846511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:41,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:41,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:41,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017083355] [2023-11-30 02:38:41,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:41,044 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:41,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:41,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:41,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:41,045 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 165 [2023-11-30 02:38:41,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 130 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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 02:38:41,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:41,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 165 [2023-11-30 02:38:41,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:41,091 INFO L124 PetriNetUnfolderBase]: 40/238 cut-off events. [2023-11-30 02:38:41,091 INFO L125 PetriNetUnfolderBase]: For 2372/3862 co-relation queries the response was YES. [2023-11-30 02:38:41,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 238 events. 40/238 cut-off events. For 2372/3862 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 924 event pairs, 12 based on Foata normal form. 8/225 useless extension candidates. Maximal degree in co-relation 435. Up to 77 conditions per place. [2023-11-30 02:38:41,094 INFO L140 encePairwiseOnDemand]: 162/165 looper letters, 22 selfloop transitions, 2 changer transitions 6/130 dead transitions. [2023-11-30 02:38:41,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 130 transitions, 612 flow [2023-11-30 02:38:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2023-11-30 02:38:41,095 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8363636363636363 [2023-11-30 02:38:41,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 414 transitions. [2023-11-30 02:38:41,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 414 transitions. [2023-11-30 02:38:41,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:41,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 414 transitions. [2023-11-30 02:38:41,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 02:38:41,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:41,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:41,099 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, -3 predicate places. [2023-11-30 02:38:41,099 INFO L500 AbstractCegarLoop]: Abstraction has has 140 places, 130 transitions, 612 flow [2023-11-30 02:38:41,100 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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 02:38:41,100 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:41,100 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] [2023-11-30 02:38:41,100 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 02:38:41,100 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:41,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash 927539159, now seen corresponding path program 1 times [2023-11-30 02:38:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:41,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885694890] [2023-11-30 02:38:41,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:41,476 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 02:38:41,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:41,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885694890] [2023-11-30 02:38:41,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885694890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:41,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:41,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:38:41,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326485310] [2023-11-30 02:38:41,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:41,478 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:38:41,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:41,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:38:41,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:38:41,479 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 165 [2023-11-30 02:38:41,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 130 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 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 02:38:41,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:41,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 165 [2023-11-30 02:38:41,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:41,552 INFO L124 PetriNetUnfolderBase]: 40/237 cut-off events. [2023-11-30 02:38:41,552 INFO L125 PetriNetUnfolderBase]: For 16138/23293 co-relation queries the response was YES. [2023-11-30 02:38:41,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 793 conditions, 237 events. 40/237 cut-off events. For 16138/23293 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 910 event pairs, 12 based on Foata normal form. 44/261 useless extension candidates. Maximal degree in co-relation 455. Up to 77 conditions per place. [2023-11-30 02:38:41,554 INFO L140 encePairwiseOnDemand]: 160/165 looper letters, 18 selfloop transitions, 4 changer transitions 6/129 dead transitions. [2023-11-30 02:38:41,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 129 transitions, 656 flow [2023-11-30 02:38:41,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:38:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:38:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 842 transitions. [2023-11-30 02:38:41,556 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8505050505050505 [2023-11-30 02:38:41,557 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 842 transitions. [2023-11-30 02:38:41,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 842 transitions. [2023-11-30 02:38:41,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:41,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 842 transitions. [2023-11-30 02:38:41,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 140.33333333333334) internal successors, (842), 6 states have internal predecessors, (842), 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 02:38:41,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 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 02:38:41,560 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 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 02:38:41,561 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 1 predicate places. [2023-11-30 02:38:41,562 INFO L500 AbstractCegarLoop]: Abstraction has has 144 places, 129 transitions, 656 flow [2023-11-30 02:38:41,562 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 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 02:38:41,563 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:41,564 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, 1, 1, 1, 1, 1] [2023-11-30 02:38:41,564 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 02:38:41,564 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:41,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:41,564 INFO L85 PathProgramCache]: Analyzing trace with hash 338530001, now seen corresponding path program 1 times [2023-11-30 02:38:41,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:41,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635228221] [2023-11-30 02:38:41,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:41,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:41,613 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 02:38:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:41,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635228221] [2023-11-30 02:38:41,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635228221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:41,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:41,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:38:41,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236549123] [2023-11-30 02:38:41,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:41,614 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:38:41,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:41,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:38:41,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:38:41,616 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 165 [2023-11-30 02:38:41,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 129 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 02:38:41,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:41,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 165 [2023-11-30 02:38:41,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:41,662 INFO L124 PetriNetUnfolderBase]: 41/234 cut-off events. [2023-11-30 02:38:41,663 INFO L125 PetriNetUnfolderBase]: For 7972/10685 co-relation queries the response was YES. [2023-11-30 02:38:41,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 234 events. 41/234 cut-off events. For 7972/10685 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 895 event pairs, 13 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 493. Up to 74 conditions per place. [2023-11-30 02:38:41,665 INFO L140 encePairwiseOnDemand]: 162/165 looper letters, 21 selfloop transitions, 2 changer transitions 6/129 dead transitions. [2023-11-30 02:38:41,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 129 transitions, 721 flow [2023-11-30 02:38:41,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:38:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:38:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-11-30 02:38:41,666 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2023-11-30 02:38:41,666 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-11-30 02:38:41,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-11-30 02:38:41,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:41,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-11-30 02:38:41,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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 02:38:41,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:41,668 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 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 02:38:41,669 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 2 predicate places. [2023-11-30 02:38:41,669 INFO L500 AbstractCegarLoop]: Abstraction has has 145 places, 129 transitions, 721 flow [2023-11-30 02:38:41,669 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 02:38:41,669 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:38:41,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:38:41,670 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 02:38:41,670 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-30 02:38:41,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:38:41,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1277601322, now seen corresponding path program 1 times [2023-11-30 02:38:41,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:38:41,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700086743] [2023-11-30 02:38:41,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:38:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:38:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:38:41,962 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 02:38:41,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:38:41,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700086743] [2023-11-30 02:38:41,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700086743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:38:41,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:38:41,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:38:41,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039618565] [2023-11-30 02:38:41,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:38:41,963 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:38:41,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:38:41,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:38:41,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:38:41,964 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 165 [2023-11-30 02:38:41,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 129 transitions, 721 flow. Second operand has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 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 02:38:41,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:38:41,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 165 [2023-11-30 02:38:41,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:38:42,023 INFO L124 PetriNetUnfolderBase]: 41/264 cut-off events. [2023-11-30 02:38:42,023 INFO L125 PetriNetUnfolderBase]: For 8561/11097 co-relation queries the response was YES. [2023-11-30 02:38:42,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 264 events. 41/264 cut-off events. For 8561/11097 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1062 event pairs, 21 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 576. Up to 75 conditions per place. [2023-11-30 02:38:42,024 INFO L140 encePairwiseOnDemand]: 160/165 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2023-11-30 02:38:42,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 128 transitions, 763 flow [2023-11-30 02:38:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:38:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:38:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 841 transitions. [2023-11-30 02:38:42,027 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8494949494949495 [2023-11-30 02:38:42,027 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 841 transitions. [2023-11-30 02:38:42,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 841 transitions. [2023-11-30 02:38:42,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:38:42,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 841 transitions. [2023-11-30 02:38:42,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 140.16666666666666) internal successors, (841), 6 states have internal predecessors, (841), 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 02:38:42,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 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 02:38:42,030 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 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 02:38:42,031 INFO L307 CegarLoopForPetriNet]: 143 programPoint places, 6 predicate places. [2023-11-30 02:38:42,031 INFO L500 AbstractCegarLoop]: Abstraction has has 149 places, 128 transitions, 763 flow [2023-11-30 02:38:42,031 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 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 02:38:42,041 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bench-exp1x3.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 02:38:42,067 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2023-11-30 02:38:42,067 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2023-11-30 02:38:42,067 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2023-11-30 02:38:42,068 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2023-11-30 02:38:42,068 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2023-11-30 02:38:42,068 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2023-11-30 02:38:42,069 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2023-11-30 02:38:42,070 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2023-11-30 02:38:42,071 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2023-11-30 02:38:42,071 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2023-11-30 02:38:42,071 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2023-11-30 02:38:42,071 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 02:38:42,071 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:38:42,075 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:38:42,076 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:38:42,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:38:42 BasicIcfg [2023-11-30 02:38:42,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:38:42,083 INFO L158 Benchmark]: Toolchain (without parser) took 2866.33ms. Allocated memory is still 530.6MB. Free memory was 481.5MB in the beginning and 399.8MB in the end (delta: 81.7MB). Peak memory consumption was 84.4MB. Max. memory is 16.0GB. [2023-11-30 02:38:42,083 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 346.0MB. Free memory is still 292.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:38:42,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.18ms. Allocated memory is still 530.6MB. Free memory was 481.1MB in the beginning and 469.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-11-30 02:38:42,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.66ms. Allocated memory is still 530.6MB. Free memory was 469.7MB in the beginning and 467.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:38:42,083 INFO L158 Benchmark]: Boogie Preprocessor took 19.19ms. Allocated memory is still 530.6MB. Free memory was 467.7MB in the beginning and 466.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:38:42,083 INFO L158 Benchmark]: RCFGBuilder took 346.22ms. Allocated memory is still 530.6MB. Free memory was 466.4MB in the beginning and 448.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 02:38:42,083 INFO L158 Benchmark]: TraceAbstraction took 2315.87ms. Allocated memory is still 530.6MB. Free memory was 448.1MB in the beginning and 399.8MB in the end (delta: 48.2MB). Peak memory consumption was 50.8MB. Max. memory is 16.0GB. [2023-11-30 02:38:42,084 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 346.0MB. Free memory is still 292.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 151.18ms. Allocated memory is still 530.6MB. Free memory was 481.1MB in the beginning and 469.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 28.66ms. Allocated memory is still 530.6MB. Free memory was 469.7MB in the beginning and 467.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.19ms. Allocated memory is still 530.6MB. Free memory was 467.7MB in the beginning and 466.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 346.22ms. Allocated memory is still 530.6MB. Free memory was 466.4MB in the beginning and 448.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 2315.87ms. Allocated memory is still 530.6MB. Free memory was 448.1MB in the beginning and 399.8MB in the end (delta: 48.2MB). Peak memory consumption was 50.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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 5 procedures, 207 locations, 32 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: 2.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 129 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=763occurred in iteration=10, InterpolantAutomatonStates: 36, 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, 0.9s InterpolantComputationTime, 487 NumberOfCodeBlocks, 487 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 02:38:42,111 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...