./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:56:55,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:56:56,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:56:56,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:56:56,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:56:56,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:56:56,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:56:56,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:56:56,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:56:56,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:56:56,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:56:56,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:56:56,097 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:56:56,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:56:56,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:56:56,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:56:56,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:56:56,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:56:56,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:56:56,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:56:56,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:56:56,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:56:56,103 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:56:56,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:56:56,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:56:56,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:56:56,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:56:56,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:56:56,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:56:56,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:56:56,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:56:56,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:56:56,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:56:56,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:56:56,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:56:56,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:56:56,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:56:56,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:56:56,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:56:56,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:56:56,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:56:56,110 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2024-10-13 09:56:56,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:56:56,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:56:56,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:56:56,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:56:56,408 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:56:56,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-10-13 09:56:57,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:56:58,121 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:56:58,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-10-13 09:56:58,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e95ef5d1a/90fe1eb9e1ec4e05a4f4aad80bf12807/FLAGce26d5ab4 [2024-10-13 09:56:58,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e95ef5d1a/90fe1eb9e1ec4e05a4f4aad80bf12807 [2024-10-13 09:56:58,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:56:58,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:56:58,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:56:58,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:56:58,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:56:58,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fdc749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58, skipping insertion in model container [2024-10-13 09:56:58,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:56:58,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:56:58,448 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:56:58,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:56:58,501 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:56:58,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58 WrapperNode [2024-10-13 09:56:58,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:56:58,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:56:58,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:56:58,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:56:58,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,604 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 442 [2024-10-13 09:56:58,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:56:58,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:56:58,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:56:58,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:56:58,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:56:58,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:56:58,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:56:58,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:56:58,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (1/1) ... [2024-10-13 09:56:58,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:56:58,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:56:58,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:56:58,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:56:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:56:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:56:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:56:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:56:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:56:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 09:56:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 09:56:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:56:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 09:56:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 09:56:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:56:58,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:56:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 09:56:58,819 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:56:58,959 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:56:58,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:56:59,655 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:56:59,655 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:56:59,694 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:56:59,695 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-13 09:56:59,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:56:59 BoogieIcfgContainer [2024-10-13 09:56:59,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:56:59,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:56:59,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:56:59,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:56:59,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:56:58" (1/3) ... [2024-10-13 09:56:59,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35224d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:56:59, skipping insertion in model container [2024-10-13 09:56:59,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:56:58" (2/3) ... [2024-10-13 09:56:59,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35224d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:56:59, skipping insertion in model container [2024-10-13 09:56:59,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:56:59" (3/3) ... [2024-10-13 09:56:59,706 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-10-13 09:56:59,722 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:56:59,723 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-10-13 09:56:59,723 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:56:59,890 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-13 09:56:59,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 557 places, 580 transitions, 1181 flow [2024-10-13 09:57:00,182 INFO L124 PetriNetUnfolderBase]: 33/577 cut-off events. [2024-10-13 09:57:00,183 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 09:57:00,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 577 events. 33/577 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1245 event pairs, 0 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 436. Up to 2 conditions per place. [2024-10-13 09:57:00,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 557 places, 580 transitions, 1181 flow [2024-10-13 09:57:00,218 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 556 transitions, 1130 flow [2024-10-13 09:57:00,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:57:00,238 INFO L333 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, 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;@4a0f0562, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:57:00,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-10-13 09:57:00,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:57:00,252 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2024-10-13 09:57:00,252 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:57:00,252 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:00,253 INFO L204 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] [2024-10-13 09:57:00,253 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:00,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:00,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1337635061, now seen corresponding path program 1 times [2024-10-13 09:57:00,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:00,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642391398] [2024-10-13 09:57:00,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:00,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:01,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:01,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642391398] [2024-10-13 09:57:01,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642391398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:01,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:01,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:57:01,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039542050] [2024-10-13 09:57:01,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:01,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:57:01,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:01,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:57:01,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:57:01,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 485 out of 580 [2024-10-13 09:57:01,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 556 transitions, 1130 flow. Second operand has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 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) [2024-10-13 09:57:01,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:01,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 485 of 580 [2024-10-13 09:57:01,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:05,561 INFO L124 PetriNetUnfolderBase]: 2075/15242 cut-off events. [2024-10-13 09:57:05,562 INFO L125 PetriNetUnfolderBase]: For 631/633 co-relation queries the response was YES. [2024-10-13 09:57:05,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18445 conditions, 15242 events. 2075/15242 cut-off events. For 631/633 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 184920 event pairs, 1520 based on Foata normal form. 1015/13876 useless extension candidates. Maximal degree in co-relation 16217. Up to 2820 conditions per place. [2024-10-13 09:57:05,761 INFO L140 encePairwiseOnDemand]: 541/580 looper letters, 54 selfloop transitions, 15 changer transitions 6/532 dead transitions. [2024-10-13 09:57:05,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 532 transitions, 1220 flow [2024-10-13 09:57:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:57:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:57:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3003 transitions. [2024-10-13 09:57:05,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8629310344827587 [2024-10-13 09:57:05,792 INFO L175 Difference]: Start difference. First operand has 535 places, 556 transitions, 1130 flow. Second operand 6 states and 3003 transitions. [2024-10-13 09:57:05,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 532 transitions, 1220 flow [2024-10-13 09:57:05,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 532 transitions, 1208 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-13 09:57:05,821 INFO L231 Difference]: Finished difference. Result has 531 places, 526 transitions, 1088 flow [2024-10-13 09:57:05,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1088, PETRI_PLACES=531, PETRI_TRANSITIONS=526} [2024-10-13 09:57:05,828 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -4 predicate places. [2024-10-13 09:57:05,829 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 526 transitions, 1088 flow [2024-10-13 09:57:05,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 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) [2024-10-13 09:57:05,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:05,833 INFO L204 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] [2024-10-13 09:57:05,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:57:05,833 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:05,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:05,835 INFO L85 PathProgramCache]: Analyzing trace with hash -216004499, now seen corresponding path program 1 times [2024-10-13 09:57:05,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:05,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028528527] [2024-10-13 09:57:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:05,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:05,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:05,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028528527] [2024-10-13 09:57:05,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028528527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:05,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:05,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:05,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491502459] [2024-10-13 09:57:05,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:05,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:05,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:05,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:05,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:05,905 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-10-13 09:57:05,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 526 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:05,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:05,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-10-13 09:57:05,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:06,200 INFO L124 PetriNetUnfolderBase]: 19/741 cut-off events. [2024-10-13 09:57:06,201 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-13 09:57:06,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 787 conditions, 741 events. 19/741 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2710 event pairs, 5 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 739. Up to 22 conditions per place. [2024-10-13 09:57:06,212 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/525 dead transitions. [2024-10-13 09:57:06,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 525 transitions, 1112 flow [2024-10-13 09:57:06,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:06,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:06,216 INFO L175 Difference]: Start difference. First operand has 531 places, 526 transitions, 1088 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:06,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 525 transitions, 1112 flow [2024-10-13 09:57:06,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 525 transitions, 1082 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:57:06,227 INFO L231 Difference]: Finished difference. Result has 521 places, 525 transitions, 1060 flow [2024-10-13 09:57:06,229 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1060, PETRI_PLACES=521, PETRI_TRANSITIONS=525} [2024-10-13 09:57:06,229 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -14 predicate places. [2024-10-13 09:57:06,229 INFO L471 AbstractCegarLoop]: Abstraction has has 521 places, 525 transitions, 1060 flow [2024-10-13 09:57:06,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:06,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:06,232 INFO L204 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, 1] [2024-10-13 09:57:06,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:57:06,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:06,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:06,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1801895061, now seen corresponding path program 1 times [2024-10-13 09:57:06,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:06,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367684953] [2024-10-13 09:57:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:06,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:06,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:06,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367684953] [2024-10-13 09:57:06,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367684953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:06,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:06,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:06,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060614741] [2024-10-13 09:57:06,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:06,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:06,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:06,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:06,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:06,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-10-13 09:57:06,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 525 transitions, 1060 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:06,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:06,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-10-13 09:57:06,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:06,514 INFO L124 PetriNetUnfolderBase]: 25/947 cut-off events. [2024-10-13 09:57:06,515 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-10-13 09:57:06,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 947 events. 25/947 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3861 event pairs, 7 based on Foata normal form. 0/820 useless extension candidates. Maximal degree in co-relation 912. Up to 25 conditions per place. [2024-10-13 09:57:06,536 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-10-13 09:57:06,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 524 transitions, 1084 flow [2024-10-13 09:57:06,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:06,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:06,541 INFO L175 Difference]: Start difference. First operand has 521 places, 525 transitions, 1060 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:06,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 524 transitions, 1084 flow [2024-10-13 09:57:06,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 524 transitions, 1080 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:06,550 INFO L231 Difference]: Finished difference. Result has 520 places, 524 transitions, 1058 flow [2024-10-13 09:57:06,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1058, PETRI_PLACES=520, PETRI_TRANSITIONS=524} [2024-10-13 09:57:06,553 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -15 predicate places. [2024-10-13 09:57:06,553 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 524 transitions, 1058 flow [2024-10-13 09:57:06,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:06,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:06,555 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:06,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:57:06,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:06,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1350194626, now seen corresponding path program 1 times [2024-10-13 09:57:06,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:06,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418947523] [2024-10-13 09:57:06,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:06,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:06,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:06,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418947523] [2024-10-13 09:57:06,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418947523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:06,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:06,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:06,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088705240] [2024-10-13 09:57:06,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:06,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:06,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:06,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:06,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:06,637 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-10-13 09:57:06,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 524 transitions, 1058 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:06,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:06,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-10-13 09:57:06,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:06,743 INFO L124 PetriNetUnfolderBase]: 19/637 cut-off events. [2024-10-13 09:57:06,743 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-13 09:57:06,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 637 events. 19/637 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2025 event pairs, 7 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 552. Up to 25 conditions per place. [2024-10-13 09:57:06,756 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/523 dead transitions. [2024-10-13 09:57:06,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 523 transitions, 1082 flow [2024-10-13 09:57:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:06,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:06,760 INFO L175 Difference]: Start difference. First operand has 520 places, 524 transitions, 1058 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:06,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 523 transitions, 1082 flow [2024-10-13 09:57:06,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 523 transitions, 1078 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:06,768 INFO L231 Difference]: Finished difference. Result has 519 places, 523 transitions, 1056 flow [2024-10-13 09:57:06,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=519, PETRI_TRANSITIONS=523} [2024-10-13 09:57:06,770 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -16 predicate places. [2024-10-13 09:57:06,770 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 523 transitions, 1056 flow [2024-10-13 09:57:06,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:06,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:06,772 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:06,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:57:06,772 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:06,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1074483581, now seen corresponding path program 1 times [2024-10-13 09:57:06,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:06,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705181363] [2024-10-13 09:57:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:06,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:06,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:06,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705181363] [2024-10-13 09:57:06,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705181363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:06,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:06,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:06,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612025322] [2024-10-13 09:57:06,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:06,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:06,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:06,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:06,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:06,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-10-13 09:57:06,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 523 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:06,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:06,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-10-13 09:57:06,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:07,027 INFO L124 PetriNetUnfolderBase]: 21/826 cut-off events. [2024-10-13 09:57:07,028 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 09:57:07,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 826 events. 21/826 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3378 event pairs, 5 based on Foata normal form. 0/720 useless extension candidates. Maximal degree in co-relation 692. Up to 22 conditions per place. [2024-10-13 09:57:07,044 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-10-13 09:57:07,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 522 transitions, 1080 flow [2024-10-13 09:57:07,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:07,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:07,049 INFO L175 Difference]: Start difference. First operand has 519 places, 523 transitions, 1056 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:07,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 522 transitions, 1080 flow [2024-10-13 09:57:07,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 522 transitions, 1076 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:07,059 INFO L231 Difference]: Finished difference. Result has 518 places, 522 transitions, 1054 flow [2024-10-13 09:57:07,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=518, PETRI_TRANSITIONS=522} [2024-10-13 09:57:07,061 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-10-13 09:57:07,061 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 522 transitions, 1054 flow [2024-10-13 09:57:07,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:07,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:07,063 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:07,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:57:07,063 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:07,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:07,064 INFO L85 PathProgramCache]: Analyzing trace with hash -477178224, now seen corresponding path program 1 times [2024-10-13 09:57:07,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:07,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588669017] [2024-10-13 09:57:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:07,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:07,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588669017] [2024-10-13 09:57:07,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588669017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:07,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:07,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:07,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115742555] [2024-10-13 09:57:07,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:07,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:07,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:07,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:07,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:07,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-10-13 09:57:07,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 522 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:07,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:07,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-10-13 09:57:07,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:07,366 INFO L124 PetriNetUnfolderBase]: 27/1034 cut-off events. [2024-10-13 09:57:07,366 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-10-13 09:57:07,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 1034 events. 27/1034 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4727 event pairs, 7 based on Foata normal form. 0/894 useless extension candidates. Maximal degree in co-relation 897. Up to 25 conditions per place. [2024-10-13 09:57:07,388 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-10-13 09:57:07,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 521 transitions, 1078 flow [2024-10-13 09:57:07,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:07,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:07,392 INFO L175 Difference]: Start difference. First operand has 518 places, 522 transitions, 1054 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:07,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 521 transitions, 1078 flow [2024-10-13 09:57:07,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1074 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:07,400 INFO L231 Difference]: Finished difference. Result has 517 places, 521 transitions, 1052 flow [2024-10-13 09:57:07,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1052, PETRI_PLACES=517, PETRI_TRANSITIONS=521} [2024-10-13 09:57:07,404 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-10-13 09:57:07,405 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 521 transitions, 1052 flow [2024-10-13 09:57:07,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:07,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:07,406 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:07,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:57:07,407 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:07,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:07,407 INFO L85 PathProgramCache]: Analyzing trace with hash -550514655, now seen corresponding path program 1 times [2024-10-13 09:57:07,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:07,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296324612] [2024-10-13 09:57:07,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:07,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:07,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:07,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296324612] [2024-10-13 09:57:07,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296324612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:07,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:07,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:07,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992874556] [2024-10-13 09:57:07,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:07,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:07,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:07,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:07,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:07,479 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-10-13 09:57:07,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 521 transitions, 1052 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:07,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:07,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-10-13 09:57:07,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:07,601 INFO L124 PetriNetUnfolderBase]: 25/898 cut-off events. [2024-10-13 09:57:07,602 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-13 09:57:07,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 898 events. 25/898 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3228 event pairs, 7 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 750. Up to 25 conditions per place. [2024-10-13 09:57:07,617 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-10-13 09:57:07,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 520 transitions, 1076 flow [2024-10-13 09:57:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:07,621 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:07,621 INFO L175 Difference]: Start difference. First operand has 517 places, 521 transitions, 1052 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:07,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 520 transitions, 1076 flow [2024-10-13 09:57:07,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 520 transitions, 1072 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:07,630 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1050 flow [2024-10-13 09:57:07,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=516, PETRI_TRANSITIONS=520} [2024-10-13 09:57:07,632 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-10-13 09:57:07,632 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1050 flow [2024-10-13 09:57:07,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:07,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:07,633 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:07,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:57:07,634 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:07,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash 2034912479, now seen corresponding path program 1 times [2024-10-13 09:57:07,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:07,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208812827] [2024-10-13 09:57:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:07,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:07,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:07,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208812827] [2024-10-13 09:57:07,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208812827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:07,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:07,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063354984] [2024-10-13 09:57:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:07,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:07,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:07,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:07,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:07,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-10-13 09:57:07,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 520 transitions, 1050 flow. Second operand has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-10-13 09:57:07,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:07,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-10-13 09:57:07,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:07,888 INFO L124 PetriNetUnfolderBase]: 36/1226 cut-off events. [2024-10-13 09:57:07,889 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 09:57:07,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 1226 events. 36/1226 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6542 event pairs, 8 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 1082. Up to 31 conditions per place. [2024-10-13 09:57:07,917 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-10-13 09:57:07,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 522 transitions, 1086 flow [2024-10-13 09:57:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-10-13 09:57:07,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-10-13 09:57:07,921 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1050 flow. Second operand 3 states and 1649 transitions. [2024-10-13 09:57:07,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 522 transitions, 1086 flow [2024-10-13 09:57:07,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 522 transitions, 1082 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:07,931 INFO L231 Difference]: Finished difference. Result has 515 places, 520 transitions, 1056 flow [2024-10-13 09:57:07,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=515, PETRI_TRANSITIONS=520} [2024-10-13 09:57:07,933 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -20 predicate places. [2024-10-13 09:57:07,933 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 520 transitions, 1056 flow [2024-10-13 09:57:07,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-10-13 09:57:07,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:07,935 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:07,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:57:07,935 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:07,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:07,936 INFO L85 PathProgramCache]: Analyzing trace with hash -554961808, now seen corresponding path program 1 times [2024-10-13 09:57:07,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:07,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506122548] [2024-10-13 09:57:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:07,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:07,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:07,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506122548] [2024-10-13 09:57:07,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506122548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:07,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:07,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:07,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433950855] [2024-10-13 09:57:07,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:07,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:07,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:07,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:07,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:08,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-10-13 09:57:08,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 520 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:08,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:08,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-10-13 09:57:08,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:08,258 INFO L124 PetriNetUnfolderBase]: 49/1359 cut-off events. [2024-10-13 09:57:08,258 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 09:57:08,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1428 conditions, 1359 events. 49/1359 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8201 event pairs, 5 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1127. Up to 43 conditions per place. [2024-10-13 09:57:08,286 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-10-13 09:57:08,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 522 transitions, 1092 flow [2024-10-13 09:57:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-10-13 09:57:08,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-10-13 09:57:08,291 INFO L175 Difference]: Start difference. First operand has 515 places, 520 transitions, 1056 flow. Second operand 3 states and 1649 transitions. [2024-10-13 09:57:08,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 522 transitions, 1092 flow [2024-10-13 09:57:08,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 522 transitions, 1092 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:08,300 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1066 flow [2024-10-13 09:57:08,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=516, PETRI_TRANSITIONS=520} [2024-10-13 09:57:08,301 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-10-13 09:57:08,301 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1066 flow [2024-10-13 09:57:08,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:08,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:08,303 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:08,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:57:08,303 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:08,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:08,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1448607424, now seen corresponding path program 1 times [2024-10-13 09:57:08,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:08,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940013267] [2024-10-13 09:57:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:08,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:08,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:08,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940013267] [2024-10-13 09:57:08,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940013267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:08,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:08,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:08,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629074782] [2024-10-13 09:57:08,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:08,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:08,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:08,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:08,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:08,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:08,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 520 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2024-10-13 09:57:08,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:08,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:08,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:08,609 INFO L124 PetriNetUnfolderBase]: 51/1185 cut-off events. [2024-10-13 09:57:08,609 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 09:57:08,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 1185 events. 51/1185 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6426 event pairs, 18 based on Foata normal form. 0/1038 useless extension candidates. Maximal degree in co-relation 1002. Up to 57 conditions per place. [2024-10-13 09:57:08,640 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-10-13 09:57:08,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-10-13 09:57:08,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-10-13 09:57:08,644 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-10-13 09:57:08,644 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1066 flow. Second operand 3 states and 1641 transitions. [2024-10-13 09:57:08,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-10-13 09:57:08,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:08,653 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1068 flow [2024-10-13 09:57:08,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=517, PETRI_TRANSITIONS=519} [2024-10-13 09:57:08,654 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-10-13 09:57:08,655 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1068 flow [2024-10-13 09:57:08,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2024-10-13 09:57:08,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:08,656 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:08,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 09:57:08,657 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:08,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:08,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1115530230, now seen corresponding path program 1 times [2024-10-13 09:57:08,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:08,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67176833] [2024-10-13 09:57:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:08,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:08,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:08,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67176833] [2024-10-13 09:57:08,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67176833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:08,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:08,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:08,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330926520] [2024-10-13 09:57:08,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:08,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:08,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:08,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:08,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:08,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-10-13 09:57:08,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 519 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:08,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:08,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-10-13 09:57:08,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:09,007 INFO L124 PetriNetUnfolderBase]: 68/1866 cut-off events. [2024-10-13 09:57:09,008 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2024-10-13 09:57:09,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1954 conditions, 1866 events. 68/1866 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12113 event pairs, 15 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 1556. Up to 56 conditions per place. [2024-10-13 09:57:09,051 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-10-13 09:57:09,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-10-13 09:57:09,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:09,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-10-13 09:57:09,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-10-13 09:57:09,056 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1068 flow. Second operand 3 states and 1649 transitions. [2024-10-13 09:57:09,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-10-13 09:57:09,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 521 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:09,064 INFO L231 Difference]: Finished difference. Result has 516 places, 519 transitions, 1074 flow [2024-10-13 09:57:09,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1074, PETRI_PLACES=516, PETRI_TRANSITIONS=519} [2024-10-13 09:57:09,065 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-10-13 09:57:09,066 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 519 transitions, 1074 flow [2024-10-13 09:57:09,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:09,067 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:09,067 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:09,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 09:57:09,067 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:09,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:09,068 INFO L85 PathProgramCache]: Analyzing trace with hash 192997645, now seen corresponding path program 1 times [2024-10-13 09:57:09,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:09,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907131092] [2024-10-13 09:57:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:09,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:09,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907131092] [2024-10-13 09:57:09,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907131092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:09,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:09,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:09,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814730655] [2024-10-13 09:57:09,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:09,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:09,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:09,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:09,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:09,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-10-13 09:57:09,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 519 transitions, 1074 flow. Second operand has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-10-13 09:57:09,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:09,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-10-13 09:57:09,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:09,518 INFO L124 PetriNetUnfolderBase]: 101/2286 cut-off events. [2024-10-13 09:57:09,518 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2024-10-13 09:57:09,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 2286 events. 101/2286 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15736 event pairs, 6 based on Foata normal form. 0/1974 useless extension candidates. Maximal degree in co-relation 1997. Up to 104 conditions per place. [2024-10-13 09:57:09,571 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-10-13 09:57:09,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 524 transitions, 1125 flow [2024-10-13 09:57:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:09,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-10-13 09:57:09,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-10-13 09:57:09,575 INFO L175 Difference]: Start difference. First operand has 516 places, 519 transitions, 1074 flow. Second operand 3 states and 1652 transitions. [2024-10-13 09:57:09,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 524 transitions, 1125 flow [2024-10-13 09:57:09,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 524 transitions, 1125 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:09,583 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1084 flow [2024-10-13 09:57:09,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=517, PETRI_TRANSITIONS=519} [2024-10-13 09:57:09,584 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-10-13 09:57:09,584 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1084 flow [2024-10-13 09:57:09,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-10-13 09:57:09,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:09,586 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:09,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 09:57:09,586 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:09,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:09,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1687991848, now seen corresponding path program 1 times [2024-10-13 09:57:09,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:09,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571170386] [2024-10-13 09:57:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:09,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:09,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571170386] [2024-10-13 09:57:09,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571170386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:09,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:09,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:09,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049727316] [2024-10-13 09:57:09,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:09,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:09,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:09,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:09,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:09,712 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-10-13 09:57:09,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 519 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 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) [2024-10-13 09:57:09,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:09,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-10-13 09:57:09,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:10,355 INFO L124 PetriNetUnfolderBase]: 118/2771 cut-off events. [2024-10-13 09:57:10,355 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-10-13 09:57:10,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3033 conditions, 2771 events. 118/2771 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 20131 event pairs, 15 based on Foata normal form. 0/2426 useless extension candidates. Maximal degree in co-relation 2596. Up to 57 conditions per place. [2024-10-13 09:57:10,430 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-10-13 09:57:10,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 521 transitions, 1130 flow [2024-10-13 09:57:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:10,435 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:10,435 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1084 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:10,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 521 transitions, 1130 flow [2024-10-13 09:57:10,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 521 transitions, 1130 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:10,445 INFO L231 Difference]: Finished difference. Result has 518 places, 519 transitions, 1110 flow [2024-10-13 09:57:10,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=518, PETRI_TRANSITIONS=519} [2024-10-13 09:57:10,447 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-10-13 09:57:10,447 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 519 transitions, 1110 flow [2024-10-13 09:57:10,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 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) [2024-10-13 09:57:10,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:10,449 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:10,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 09:57:10,449 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:10,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:10,450 INFO L85 PathProgramCache]: Analyzing trace with hash -539812553, now seen corresponding path program 1 times [2024-10-13 09:57:10,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:10,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502806110] [2024-10-13 09:57:10,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:10,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:10,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:10,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502806110] [2024-10-13 09:57:10,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502806110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:10,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:10,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:10,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593893986] [2024-10-13 09:57:10,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:10,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:10,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:10,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:10,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:10,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:10,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 519 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-10-13 09:57:10,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:10,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:10,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:11,145 INFO L124 PetriNetUnfolderBase]: 92/2232 cut-off events. [2024-10-13 09:57:11,145 INFO L125 PetriNetUnfolderBase]: For 36/118 co-relation queries the response was YES. [2024-10-13 09:57:11,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2428 conditions, 2232 events. 92/2232 cut-off events. For 36/118 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 14609 event pairs, 22 based on Foata normal form. 2/1934 useless extension candidates. Maximal degree in co-relation 1879. Up to 58 conditions per place. [2024-10-13 09:57:11,216 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-10-13 09:57:11,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 520 transitions, 1148 flow [2024-10-13 09:57:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-10-13 09:57:11,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-10-13 09:57:11,221 INFO L175 Difference]: Start difference. First operand has 518 places, 519 transitions, 1110 flow. Second operand 3 states and 1641 transitions. [2024-10-13 09:57:11,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 520 transitions, 1148 flow [2024-10-13 09:57:11,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 520 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:11,232 INFO L231 Difference]: Finished difference. Result has 517 places, 518 transitions, 1102 flow [2024-10-13 09:57:11,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=517, PETRI_TRANSITIONS=518} [2024-10-13 09:57:11,234 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-10-13 09:57:11,234 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 518 transitions, 1102 flow [2024-10-13 09:57:11,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-10-13 09:57:11,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:11,235 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:11,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 09:57:11,236 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:11,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1518985140, now seen corresponding path program 1 times [2024-10-13 09:57:11,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:11,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075336500] [2024-10-13 09:57:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:11,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:11,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:11,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075336500] [2024-10-13 09:57:11,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075336500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:11,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:11,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:57:11,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612356484] [2024-10-13 09:57:11,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:11,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:57:11,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:11,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:57:11,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:57:11,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-10-13 09:57:11,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 518 transitions, 1102 flow. Second operand has 4 states, 4 states have (on average 544.25) internal successors, (2177), 4 states have internal predecessors, (2177), 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) [2024-10-13 09:57:11,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:11,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-10-13 09:57:11,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:12,000 INFO L124 PetriNetUnfolderBase]: 124/3253 cut-off events. [2024-10-13 09:57:12,000 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-10-13 09:57:12,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3601 conditions, 3253 events. 124/3253 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 24191 event pairs, 24 based on Foata normal form. 2/2851 useless extension candidates. Maximal degree in co-relation 3439. Up to 67 conditions per place. [2024-10-13 09:57:12,042 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 27 selfloop transitions, 4 changer transitions 0/534 dead transitions. [2024-10-13 09:57:12,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 534 transitions, 1206 flow [2024-10-13 09:57:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:57:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:57:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2747 transitions. [2024-10-13 09:57:12,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472413793103448 [2024-10-13 09:57:12,048 INFO L175 Difference]: Start difference. First operand has 517 places, 518 transitions, 1102 flow. Second operand 5 states and 2747 transitions. [2024-10-13 09:57:12,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 534 transitions, 1206 flow [2024-10-13 09:57:12,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 534 transitions, 1202 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:12,057 INFO L231 Difference]: Finished difference. Result has 522 places, 520 transitions, 1123 flow [2024-10-13 09:57:12,057 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1123, PETRI_PLACES=522, PETRI_TRANSITIONS=520} [2024-10-13 09:57:12,058 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -13 predicate places. [2024-10-13 09:57:12,058 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 520 transitions, 1123 flow [2024-10-13 09:57:12,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.25) internal successors, (2177), 4 states have internal predecessors, (2177), 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) [2024-10-13 09:57:12,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:12,060 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:12,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 09:57:12,060 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:12,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:12,060 INFO L85 PathProgramCache]: Analyzing trace with hash 209910454, now seen corresponding path program 1 times [2024-10-13 09:57:12,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:12,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995763148] [2024-10-13 09:57:12,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:12,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:57:12,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:12,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995763148] [2024-10-13 09:57:12,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995763148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:12,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:12,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:57:12,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549013482] [2024-10-13 09:57:12,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:12,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 09:57:12,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:12,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 09:57:12,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 09:57:12,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 524 out of 580 [2024-10-13 09:57:12,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 520 transitions, 1123 flow. Second operand has 5 states, 5 states have (on average 529.0) internal successors, (2645), 5 states have internal predecessors, (2645), 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) [2024-10-13 09:57:12,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:12,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 524 of 580 [2024-10-13 09:57:12,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:12,627 INFO L124 PetriNetUnfolderBase]: 47/1670 cut-off events. [2024-10-13 09:57:12,627 INFO L125 PetriNetUnfolderBase]: For 11/22 co-relation queries the response was YES. [2024-10-13 09:57:12,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1670 events. 47/1670 cut-off events. For 11/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8699 event pairs, 3 based on Foata normal form. 3/1481 useless extension candidates. Maximal degree in co-relation 1699. Up to 30 conditions per place. [2024-10-13 09:57:12,657 INFO L140 encePairwiseOnDemand]: 559/580 looper letters, 18 selfloop transitions, 18 changer transitions 0/523 dead transitions. [2024-10-13 09:57:12,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 523 transitions, 1201 flow [2024-10-13 09:57:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:57:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:57:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2659 transitions. [2024-10-13 09:57:12,663 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.916896551724138 [2024-10-13 09:57:12,664 INFO L175 Difference]: Start difference. First operand has 522 places, 520 transitions, 1123 flow. Second operand 5 states and 2659 transitions. [2024-10-13 09:57:12,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 523 transitions, 1201 flow [2024-10-13 09:57:12,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 523 transitions, 1201 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:12,672 INFO L231 Difference]: Finished difference. Result has 527 places, 523 transitions, 1183 flow [2024-10-13 09:57:12,673 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1183, PETRI_PLACES=527, PETRI_TRANSITIONS=523} [2024-10-13 09:57:12,673 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -8 predicate places. [2024-10-13 09:57:12,673 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 523 transitions, 1183 flow [2024-10-13 09:57:12,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 529.0) internal successors, (2645), 5 states have internal predecessors, (2645), 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) [2024-10-13 09:57:12,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:12,675 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:12,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 09:57:12,675 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:12,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:12,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1160708202, now seen corresponding path program 1 times [2024-10-13 09:57:12,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:12,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585304822] [2024-10-13 09:57:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:12,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 09:57:12,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:12,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585304822] [2024-10-13 09:57:12,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585304822] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:12,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:12,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89585332] [2024-10-13 09:57:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:12,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:12,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:12,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:12,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:12,770 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:12,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 523 transitions, 1183 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-10-13 09:57:12,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:12,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:12,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:13,560 INFO L124 PetriNetUnfolderBase]: 188/4808 cut-off events. [2024-10-13 09:57:13,560 INFO L125 PetriNetUnfolderBase]: For 59/79 co-relation queries the response was YES. [2024-10-13 09:57:13,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5351 conditions, 4808 events. 188/4808 cut-off events. For 59/79 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 39515 event pairs, 45 based on Foata normal form. 4/4214 useless extension candidates. Maximal degree in co-relation 5122. Up to 128 conditions per place. [2024-10-13 09:57:13,641 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-10-13 09:57:13,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 524 transitions, 1225 flow [2024-10-13 09:57:13,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-10-13 09:57:13,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-10-13 09:57:13,645 INFO L175 Difference]: Start difference. First operand has 527 places, 523 transitions, 1183 flow. Second operand 3 states and 1641 transitions. [2024-10-13 09:57:13,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 524 transitions, 1225 flow [2024-10-13 09:57:13,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 524 transitions, 1195 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 09:57:13,654 INFO L231 Difference]: Finished difference. Result has 525 places, 522 transitions, 1155 flow [2024-10-13 09:57:13,655 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1151, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1155, PETRI_PLACES=525, PETRI_TRANSITIONS=522} [2024-10-13 09:57:13,656 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -10 predicate places. [2024-10-13 09:57:13,656 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 522 transitions, 1155 flow [2024-10-13 09:57:13,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-10-13 09:57:13,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:13,657 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:13,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 09:57:13,658 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:13,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:13,658 INFO L85 PathProgramCache]: Analyzing trace with hash 279789001, now seen corresponding path program 1 times [2024-10-13 09:57:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:13,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666187428] [2024-10-13 09:57:13,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:13,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 09:57:13,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:13,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666187428] [2024-10-13 09:57:13,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666187428] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:57:13,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896521835] [2024-10-13 09:57:13,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:13,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:57:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:57:13,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 09:57:13,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 09:57:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:14,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 09:57:14,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:57:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 09:57:14,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 09:57:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 09:57:14,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896521835] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 09:57:14,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 09:57:14,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-10-13 09:57:14,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158593866] [2024-10-13 09:57:14,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 09:57:14,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 09:57:14,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:14,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 09:57:14,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-13 09:57:15,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-10-13 09:57:15,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 522 transitions, 1155 flow. Second operand has 15 states, 15 states have (on average 518.4666666666667) internal successors, (7777), 15 states have internal predecessors, (7777), 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) [2024-10-13 09:57:15,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:15,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-10-13 09:57:15,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:15,530 INFO L124 PetriNetUnfolderBase]: 47/1715 cut-off events. [2024-10-13 09:57:15,530 INFO L125 PetriNetUnfolderBase]: For 20/31 co-relation queries the response was YES. [2024-10-13 09:57:15,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 1715 events. 47/1715 cut-off events. For 20/31 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8610 event pairs, 3 based on Foata normal form. 6/1535 useless extension candidates. Maximal degree in co-relation 1800. Up to 30 conditions per place. [2024-10-13 09:57:15,561 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 30 selfloop transitions, 39 changer transitions 0/546 dead transitions. [2024-10-13 09:57:15,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 546 transitions, 1347 flow [2024-10-13 09:57:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 09:57:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-13 09:57:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5740 transitions. [2024-10-13 09:57:15,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8996865203761756 [2024-10-13 09:57:15,572 INFO L175 Difference]: Start difference. First operand has 525 places, 522 transitions, 1155 flow. Second operand 11 states and 5740 transitions. [2024-10-13 09:57:15,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 546 transitions, 1347 flow [2024-10-13 09:57:15,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 546 transitions, 1343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:15,581 INFO L231 Difference]: Finished difference. Result has 536 places, 540 transitions, 1331 flow [2024-10-13 09:57:15,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1151, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1331, PETRI_PLACES=536, PETRI_TRANSITIONS=540} [2024-10-13 09:57:15,582 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 1 predicate places. [2024-10-13 09:57:15,582 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 540 transitions, 1331 flow [2024-10-13 09:57:15,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 518.4666666666667) internal successors, (7777), 15 states have internal predecessors, (7777), 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) [2024-10-13 09:57:15,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:15,585 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:15,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 09:57:15,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 09:57:15,786 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:15,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:15,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1041812823, now seen corresponding path program 2 times [2024-10-13 09:57:15,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:15,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348519081] [2024-10-13 09:57:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-13 09:57:16,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:16,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348519081] [2024-10-13 09:57:16,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348519081] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:57:16,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238378370] [2024-10-13 09:57:16,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 09:57:16,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:57:16,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:57:16,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 09:57:16,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 09:57:16,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 09:57:16,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 09:57:16,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 09:57:16,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:57:16,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-13 09:57:16,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-13 09:57:16,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 09:57:16,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-13 09:57:16,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 09:57:16,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-13 09:57:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 09:57:16,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 09:57:16,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238378370] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:16,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 09:57:16,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-10-13 09:57:16,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803526784] [2024-10-13 09:57:16,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:16,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:57:16,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:16,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:57:16,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-13 09:57:16,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-10-13 09:57:16,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 540 transitions, 1331 flow. Second operand has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-10-13 09:57:16,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:16,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-10-13 09:57:16,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:17,261 INFO L124 PetriNetUnfolderBase]: 100/2643 cut-off events. [2024-10-13 09:57:17,261 INFO L125 PetriNetUnfolderBase]: For 63/70 co-relation queries the response was YES. [2024-10-13 09:57:17,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2643 events. 100/2643 cut-off events. For 63/70 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 17548 event pairs, 9 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 2992. Up to 79 conditions per place. [2024-10-13 09:57:17,305 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/547 dead transitions. [2024-10-13 09:57:17,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 547 transitions, 1425 flow [2024-10-13 09:57:17,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:57:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:57:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-10-13 09:57:17,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-10-13 09:57:17,311 INFO L175 Difference]: Start difference. First operand has 536 places, 540 transitions, 1331 flow. Second operand 6 states and 3210 transitions. [2024-10-13 09:57:17,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 547 transitions, 1425 flow [2024-10-13 09:57:17,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 547 transitions, 1389 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-10-13 09:57:17,321 INFO L231 Difference]: Finished difference. Result has 537 places, 539 transitions, 1305 flow [2024-10-13 09:57:17,321 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1305, PETRI_PLACES=537, PETRI_TRANSITIONS=539} [2024-10-13 09:57:17,322 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-10-13 09:57:17,322 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 539 transitions, 1305 flow [2024-10-13 09:57:17,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-10-13 09:57:17,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:17,323 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:17,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 09:57:17,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:57:17,524 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:17,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:17,525 INFO L85 PathProgramCache]: Analyzing trace with hash -290989231, now seen corresponding path program 1 times [2024-10-13 09:57:17,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:17,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965473303] [2024-10-13 09:57:17,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:17,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 09:57:17,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:17,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965473303] [2024-10-13 09:57:17,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965473303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:17,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:17,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:17,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271838138] [2024-10-13 09:57:17,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:17,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:17,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:17,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:17,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:17,647 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-10-13 09:57:17,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 539 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:17,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:17,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-10-13 09:57:17,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:18,241 INFO L124 PetriNetUnfolderBase]: 125/3167 cut-off events. [2024-10-13 09:57:18,242 INFO L125 PetriNetUnfolderBase]: For 66/87 co-relation queries the response was YES. [2024-10-13 09:57:18,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3685 conditions, 3167 events. 125/3167 cut-off events. For 66/87 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 22706 event pairs, 15 based on Foata normal form. 1/2847 useless extension candidates. Maximal degree in co-relation 3355. Up to 118 conditions per place. [2024-10-13 09:57:18,288 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2024-10-13 09:57:18,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 544 transitions, 1356 flow [2024-10-13 09:57:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-10-13 09:57:18,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-10-13 09:57:18,291 INFO L175 Difference]: Start difference. First operand has 537 places, 539 transitions, 1305 flow. Second operand 3 states and 1652 transitions. [2024-10-13 09:57:18,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 544 transitions, 1356 flow [2024-10-13 09:57:18,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 544 transitions, 1344 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:57:18,301 INFO L231 Difference]: Finished difference. Result has 533 places, 539 transitions, 1303 flow [2024-10-13 09:57:18,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1303, PETRI_PLACES=533, PETRI_TRANSITIONS=539} [2024-10-13 09:57:18,302 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-10-13 09:57:18,302 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 539 transitions, 1303 flow [2024-10-13 09:57:18,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:18,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:18,303 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:18,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 09:57:18,304 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:18,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash -430699316, now seen corresponding path program 1 times [2024-10-13 09:57:18,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:18,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975760730] [2024-10-13 09:57:18,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:18,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 09:57:18,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:18,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975760730] [2024-10-13 09:57:18,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975760730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:18,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:18,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:18,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623648088] [2024-10-13 09:57:18,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:18,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:18,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:18,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:18,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:18,453 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-10-13 09:57:18,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 539 transitions, 1303 flow. Second operand has 3 states, 3 states have (on average 540.6666666666666) internal successors, (1622), 3 states have internal predecessors, (1622), 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) [2024-10-13 09:57:18,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:18,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-10-13 09:57:18,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:19,341 INFO L124 PetriNetUnfolderBase]: 181/4377 cut-off events. [2024-10-13 09:57:19,341 INFO L125 PetriNetUnfolderBase]: For 75/238 co-relation queries the response was YES. [2024-10-13 09:57:19,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4905 conditions, 4377 events. 181/4377 cut-off events. For 75/238 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 33217 event pairs, 26 based on Foata normal form. 0/3856 useless extension candidates. Maximal degree in co-relation 4576. Up to 82 conditions per place. [2024-10-13 09:57:19,446 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/541 dead transitions. [2024-10-13 09:57:19,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 541 transitions, 1349 flow [2024-10-13 09:57:19,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:19,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:19,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-10-13 09:57:19,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-10-13 09:57:19,449 INFO L175 Difference]: Start difference. First operand has 533 places, 539 transitions, 1303 flow. Second operand 3 states and 1640 transitions. [2024-10-13 09:57:19,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 541 transitions, 1349 flow [2024-10-13 09:57:19,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 541 transitions, 1349 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:19,458 INFO L231 Difference]: Finished difference. Result has 534 places, 539 transitions, 1329 flow [2024-10-13 09:57:19,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1297, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1329, PETRI_PLACES=534, PETRI_TRANSITIONS=539} [2024-10-13 09:57:19,459 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -1 predicate places. [2024-10-13 09:57:19,459 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 539 transitions, 1329 flow [2024-10-13 09:57:19,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 540.6666666666666) internal successors, (1622), 3 states have internal predecessors, (1622), 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) [2024-10-13 09:57:19,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:19,460 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:19,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 09:57:19,460 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:19,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:19,461 INFO L85 PathProgramCache]: Analyzing trace with hash 498961046, now seen corresponding path program 1 times [2024-10-13 09:57:19,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:19,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648855462] [2024-10-13 09:57:19,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:19,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 09:57:19,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:19,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648855462] [2024-10-13 09:57:19,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648855462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:19,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:19,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:19,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420972265] [2024-10-13 09:57:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:19,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:19,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:19,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:19,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:19,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:19,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 539 transitions, 1329 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-10-13 09:57:19,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:19,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:19,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:20,550 INFO L124 PetriNetUnfolderBase]: 270/3660 cut-off events. [2024-10-13 09:57:20,550 INFO L125 PetriNetUnfolderBase]: For 219/273 co-relation queries the response was YES. [2024-10-13 09:57:20,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4395 conditions, 3660 events. 270/3660 cut-off events. For 219/273 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 29934 event pairs, 61 based on Foata normal form. 0/3168 useless extension candidates. Maximal degree in co-relation 4064. Up to 360 conditions per place. [2024-10-13 09:57:20,618 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2024-10-13 09:57:20,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 540 transitions, 1367 flow [2024-10-13 09:57:20,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-10-13 09:57:20,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-10-13 09:57:20,622 INFO L175 Difference]: Start difference. First operand has 534 places, 539 transitions, 1329 flow. Second operand 3 states and 1641 transitions. [2024-10-13 09:57:20,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 540 transitions, 1367 flow [2024-10-13 09:57:20,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 540 transitions, 1357 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:20,632 INFO L231 Difference]: Finished difference. Result has 533 places, 538 transitions, 1321 flow [2024-10-13 09:57:20,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1317, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1321, PETRI_PLACES=533, PETRI_TRANSITIONS=538} [2024-10-13 09:57:20,633 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-10-13 09:57:20,633 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 538 transitions, 1321 flow [2024-10-13 09:57:20,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-10-13 09:57:20,634 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:20,634 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:20,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 09:57:20,635 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:20,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:20,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1864963592, now seen corresponding path program 1 times [2024-10-13 09:57:20,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:20,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386123898] [2024-10-13 09:57:20,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:20,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 09:57:20,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:20,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386123898] [2024-10-13 09:57:20,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386123898] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:20,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:20,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:57:20,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228192713] [2024-10-13 09:57:20,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:20,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:57:20,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:20,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:57:20,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:57:20,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-10-13 09:57:20,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 538 transitions, 1321 flow. Second operand has 4 states, 4 states have (on average 544.5) internal successors, (2178), 4 states have internal predecessors, (2178), 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) [2024-10-13 09:57:20,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:20,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-10-13 09:57:20,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:22,121 INFO L124 PetriNetUnfolderBase]: 197/4935 cut-off events. [2024-10-13 09:57:22,122 INFO L125 PetriNetUnfolderBase]: For 97/304 co-relation queries the response was YES. [2024-10-13 09:57:22,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5635 conditions, 4935 events. 197/4935 cut-off events. For 97/304 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 40065 event pairs, 45 based on Foata normal form. 4/4378 useless extension candidates. Maximal degree in co-relation 5304. Up to 105 conditions per place. [2024-10-13 09:57:22,236 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 25 selfloop transitions, 4 changer transitions 0/552 dead transitions. [2024-10-13 09:57:22,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 552 transitions, 1415 flow [2024-10-13 09:57:22,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:57:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:57:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2745 transitions. [2024-10-13 09:57:22,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946551724137931 [2024-10-13 09:57:22,240 INFO L175 Difference]: Start difference. First operand has 533 places, 538 transitions, 1321 flow. Second operand 5 states and 2745 transitions. [2024-10-13 09:57:22,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 552 transitions, 1415 flow [2024-10-13 09:57:22,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 552 transitions, 1411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:22,248 INFO L231 Difference]: Finished difference. Result has 538 places, 540 transitions, 1342 flow [2024-10-13 09:57:22,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1342, PETRI_PLACES=538, PETRI_TRANSITIONS=540} [2024-10-13 09:57:22,249 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-10-13 09:57:22,249 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 540 transitions, 1342 flow [2024-10-13 09:57:22,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.5) internal successors, (2178), 4 states have internal predecessors, (2178), 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) [2024-10-13 09:57:22,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:22,250 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:22,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 09:57:22,250 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:22,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:22,251 INFO L85 PathProgramCache]: Analyzing trace with hash 406344603, now seen corresponding path program 1 times [2024-10-13 09:57:22,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:22,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020939992] [2024-10-13 09:57:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:22,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 09:57:22,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:22,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020939992] [2024-10-13 09:57:22,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020939992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:22,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:22,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:22,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801168401] [2024-10-13 09:57:22,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:22,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:22,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:22,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:22,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:22,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:22,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 540 transitions, 1342 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:22,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:22,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:22,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:23,769 INFO L124 PetriNetUnfolderBase]: 293/6588 cut-off events. [2024-10-13 09:57:23,770 INFO L125 PetriNetUnfolderBase]: For 202/735 co-relation queries the response was YES. [2024-10-13 09:57:23,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7495 conditions, 6588 events. 293/6588 cut-off events. For 202/735 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 60811 event pairs, 86 based on Foata normal form. 7/5815 useless extension candidates. Maximal degree in co-relation 7162. Up to 213 conditions per place. [2024-10-13 09:57:24,013 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2024-10-13 09:57:24,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 541 transitions, 1384 flow [2024-10-13 09:57:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-10-13 09:57:24,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-10-13 09:57:24,017 INFO L175 Difference]: Start difference. First operand has 538 places, 540 transitions, 1342 flow. Second operand 3 states and 1641 transitions. [2024-10-13 09:57:24,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 541 transitions, 1384 flow [2024-10-13 09:57:24,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 541 transitions, 1384 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:24,026 INFO L231 Difference]: Finished difference. Result has 539 places, 539 transitions, 1344 flow [2024-10-13 09:57:24,027 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1344, PETRI_PLACES=539, PETRI_TRANSITIONS=539} [2024-10-13 09:57:24,027 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-10-13 09:57:24,027 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 539 transitions, 1344 flow [2024-10-13 09:57:24,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:24,028 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:24,029 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:24,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 09:57:24,029 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:24,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:24,030 INFO L85 PathProgramCache]: Analyzing trace with hash -474574598, now seen corresponding path program 1 times [2024-10-13 09:57:24,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:24,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545966209] [2024-10-13 09:57:24,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:24,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-13 09:57:24,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:24,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545966209] [2024-10-13 09:57:24,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545966209] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:57:24,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040042814] [2024-10-13 09:57:24,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:24,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:57:24,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:57:24,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 09:57:24,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 09:57:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:24,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 09:57:24,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:57:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-13 09:57:24,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 09:57:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-13 09:57:25,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040042814] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 09:57:25,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 09:57:25,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-10-13 09:57:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154807908] [2024-10-13 09:57:25,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 09:57:25,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 09:57:25,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:25,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 09:57:25,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-10-13 09:57:25,891 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-10-13 09:57:25,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 539 transitions, 1344 flow. Second operand has 22 states, 22 states have (on average 518.1363636363636) internal successors, (11399), 22 states have internal predecessors, (11399), 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) [2024-10-13 09:57:25,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:25,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-10-13 09:57:25,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:26,709 INFO L124 PetriNetUnfolderBase]: 58/2446 cut-off events. [2024-10-13 09:57:26,710 INFO L125 PetriNetUnfolderBase]: For 78/97 co-relation queries the response was YES. [2024-10-13 09:57:26,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2908 conditions, 2446 events. 58/2446 cut-off events. For 78/97 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14443 event pairs, 7 based on Foata normal form. 6/2225 useless extension candidates. Maximal degree in co-relation 2674. Up to 44 conditions per place. [2024-10-13 09:57:26,761 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 36 selfloop transitions, 57 changer transitions 0/569 dead transitions. [2024-10-13 09:57:26,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 569 transitions, 1674 flow [2024-10-13 09:57:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 09:57:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-13 09:57:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8854 transitions. [2024-10-13 09:57:26,770 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.897971602434077 [2024-10-13 09:57:26,771 INFO L175 Difference]: Start difference. First operand has 539 places, 539 transitions, 1344 flow. Second operand 17 states and 8854 transitions. [2024-10-13 09:57:26,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 569 transitions, 1674 flow [2024-10-13 09:57:26,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 569 transitions, 1670 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:26,780 INFO L231 Difference]: Finished difference. Result has 556 places, 560 transitions, 1616 flow [2024-10-13 09:57:26,781 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1616, PETRI_PLACES=556, PETRI_TRANSITIONS=560} [2024-10-13 09:57:26,781 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 21 predicate places. [2024-10-13 09:57:26,781 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 560 transitions, 1616 flow [2024-10-13 09:57:26,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 518.1363636363636) internal successors, (11399), 22 states have internal predecessors, (11399), 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) [2024-10-13 09:57:26,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:26,785 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:26,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 09:57:26,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:57:26,986 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:26,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:26,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1323108902, now seen corresponding path program 2 times [2024-10-13 09:57:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529651868] [2024-10-13 09:57:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:28,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529651868] [2024-10-13 09:57:28,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529651868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:28,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:28,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:57:28,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797727248] [2024-10-13 09:57:28,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:28,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:57:28,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:28,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:57:28,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:57:28,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-10-13 09:57:28,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 560 transitions, 1616 flow. Second operand has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-10-13 09:57:28,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:28,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-10-13 09:57:28,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:29,620 INFO L124 PetriNetUnfolderBase]: 153/3886 cut-off events. [2024-10-13 09:57:29,621 INFO L125 PetriNetUnfolderBase]: For 189/453 co-relation queries the response was YES. [2024-10-13 09:57:29,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4667 conditions, 3886 events. 153/3886 cut-off events. For 189/453 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27267 event pairs, 17 based on Foata normal form. 16/3506 useless extension candidates. Maximal degree in co-relation 4426. Up to 139 conditions per place. [2024-10-13 09:57:29,713 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/567 dead transitions. [2024-10-13 09:57:29,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 567 transitions, 1710 flow [2024-10-13 09:57:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:57:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:57:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-10-13 09:57:29,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-10-13 09:57:29,716 INFO L175 Difference]: Start difference. First operand has 556 places, 560 transitions, 1616 flow. Second operand 6 states and 3210 transitions. [2024-10-13 09:57:29,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 567 transitions, 1710 flow [2024-10-13 09:57:29,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 567 transitions, 1632 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-10-13 09:57:29,728 INFO L231 Difference]: Finished difference. Result has 552 places, 559 transitions, 1548 flow [2024-10-13 09:57:29,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1536, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1548, PETRI_PLACES=552, PETRI_TRANSITIONS=559} [2024-10-13 09:57:29,729 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 17 predicate places. [2024-10-13 09:57:29,729 INFO L471 AbstractCegarLoop]: Abstraction has has 552 places, 559 transitions, 1548 flow [2024-10-13 09:57:29,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-10-13 09:57:29,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:29,731 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:29,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-13 09:57:29,731 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:29,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash -708276578, now seen corresponding path program 1 times [2024-10-13 09:57:29,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:29,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231337203] [2024-10-13 09:57:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:29,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:29,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:29,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231337203] [2024-10-13 09:57:29,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231337203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:29,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:29,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:29,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28821184] [2024-10-13 09:57:29,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:29,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:29,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:29,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:29,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:29,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-10-13 09:57:29,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 559 transitions, 1548 flow. Second operand has 3 states, 3 states have (on average 541.0) internal successors, (1623), 3 states have internal predecessors, (1623), 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) [2024-10-13 09:57:29,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:29,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-10-13 09:57:29,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:31,270 INFO L124 PetriNetUnfolderBase]: 344/6028 cut-off events. [2024-10-13 09:57:31,271 INFO L125 PetriNetUnfolderBase]: For 319/360 co-relation queries the response was YES. [2024-10-13 09:57:31,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7073 conditions, 6028 events. 344/6028 cut-off events. For 319/360 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 54287 event pairs, 84 based on Foata normal form. 24/5339 useless extension candidates. Maximal degree in co-relation 6560. Up to 316 conditions per place. [2024-10-13 09:57:31,388 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 13 selfloop transitions, 4 changer transitions 12/561 dead transitions. [2024-10-13 09:57:31,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 561 transitions, 1592 flow [2024-10-13 09:57:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-10-13 09:57:31,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-10-13 09:57:31,390 INFO L175 Difference]: Start difference. First operand has 552 places, 559 transitions, 1548 flow. Second operand 3 states and 1639 transitions. [2024-10-13 09:57:31,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 561 transitions, 1592 flow [2024-10-13 09:57:31,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 561 transitions, 1580 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:57:31,400 INFO L231 Difference]: Finished difference. Result has 548 places, 547 transitions, 1529 flow [2024-10-13 09:57:31,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=548, PETRI_TRANSITIONS=547} [2024-10-13 09:57:31,400 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 13 predicate places. [2024-10-13 09:57:31,401 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 547 transitions, 1529 flow [2024-10-13 09:57:31,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 541.0) internal successors, (1623), 3 states have internal predecessors, (1623), 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) [2024-10-13 09:57:31,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:31,402 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:31,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 09:57:31,402 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:31,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:31,402 INFO L85 PathProgramCache]: Analyzing trace with hash 940748976, now seen corresponding path program 1 times [2024-10-13 09:57:31,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:31,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045127992] [2024-10-13 09:57:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:32,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:32,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045127992] [2024-10-13 09:57:32,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045127992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:32,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:32,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:57:32,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145973893] [2024-10-13 09:57:32,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:32,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:57:32,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:32,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:57:32,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:57:32,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-10-13 09:57:32,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 547 transitions, 1529 flow. Second operand has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-10-13 09:57:32,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:32,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-10-13 09:57:32,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:33,820 INFO L124 PetriNetUnfolderBase]: 160/4421 cut-off events. [2024-10-13 09:57:33,820 INFO L125 PetriNetUnfolderBase]: For 223/260 co-relation queries the response was YES. [2024-10-13 09:57:33,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5458 conditions, 4421 events. 160/4421 cut-off events. For 223/260 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 32579 event pairs, 22 based on Foata normal form. 8/4058 useless extension candidates. Maximal degree in co-relation 5392. Up to 126 conditions per place. [2024-10-13 09:57:33,930 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/554 dead transitions. [2024-10-13 09:57:33,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 554 transitions, 1621 flow [2024-10-13 09:57:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:57:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:57:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-10-13 09:57:33,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-10-13 09:57:33,933 INFO L175 Difference]: Start difference. First operand has 548 places, 547 transitions, 1529 flow. Second operand 6 states and 3209 transitions. [2024-10-13 09:57:33,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 554 transitions, 1621 flow [2024-10-13 09:57:33,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 554 transitions, 1613 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:33,946 INFO L231 Difference]: Finished difference. Result has 539 places, 546 transitions, 1531 flow [2024-10-13 09:57:33,946 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1519, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1531, PETRI_PLACES=539, PETRI_TRANSITIONS=546} [2024-10-13 09:57:33,947 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-10-13 09:57:33,947 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 546 transitions, 1531 flow [2024-10-13 09:57:33,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-10-13 09:57:33,947 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:33,948 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:33,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-13 09:57:33,948 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:33,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:33,949 INFO L85 PathProgramCache]: Analyzing trace with hash -197287683, now seen corresponding path program 1 times [2024-10-13 09:57:33,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:33,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449491393] [2024-10-13 09:57:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:33,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:34,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:34,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449491393] [2024-10-13 09:57:34,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449491393] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:34,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:34,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:34,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367735041] [2024-10-13 09:57:34,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:34,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:34,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:34,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:34,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:34,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-10-13 09:57:34,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 546 transitions, 1531 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:34,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:34,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-10-13 09:57:34,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:36,891 INFO L124 PetriNetUnfolderBase]: 480/10385 cut-off events. [2024-10-13 09:57:36,891 INFO L125 PetriNetUnfolderBase]: For 298/315 co-relation queries the response was YES. [2024-10-13 09:57:37,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12050 conditions, 10385 events. 480/10385 cut-off events. For 298/315 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 107036 event pairs, 141 based on Foata normal form. 1/9408 useless extension candidates. Maximal degree in co-relation 11536. Up to 573 conditions per place. [2024-10-13 09:57:37,068 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2024-10-13 09:57:37,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 549 transitions, 1570 flow [2024-10-13 09:57:37,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-10-13 09:57:37,070 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-10-13 09:57:37,070 INFO L175 Difference]: Start difference. First operand has 539 places, 546 transitions, 1531 flow. Second operand 3 states and 1649 transitions. [2024-10-13 09:57:37,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 549 transitions, 1570 flow [2024-10-13 09:57:37,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 549 transitions, 1558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:57:37,083 INFO L231 Difference]: Finished difference. Result has 535 places, 546 transitions, 1529 flow [2024-10-13 09:57:37,084 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=535, PETRI_TRANSITIONS=546} [2024-10-13 09:57:37,085 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 0 predicate places. [2024-10-13 09:57:37,085 INFO L471 AbstractCegarLoop]: Abstraction has has 535 places, 546 transitions, 1529 flow [2024-10-13 09:57:37,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-10-13 09:57:37,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:37,086 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:37,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 09:57:37,086 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:37,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:37,087 INFO L85 PathProgramCache]: Analyzing trace with hash 937939534, now seen corresponding path program 1 times [2024-10-13 09:57:37,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:37,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043871799] [2024-10-13 09:57:37,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:37,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:37,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:37,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043871799] [2024-10-13 09:57:37,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043871799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:37,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:37,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 09:57:37,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114422234] [2024-10-13 09:57:37,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:37,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 09:57:37,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:37,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 09:57:37,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 09:57:37,328 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-10-13 09:57:37,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 546 transitions, 1529 flow. Second operand has 4 states, 4 states have (on average 544.75) internal successors, (2179), 4 states have internal predecessors, (2179), 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) [2024-10-13 09:57:37,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:37,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-10-13 09:57:37,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:39,510 INFO L124 PetriNetUnfolderBase]: 464/8938 cut-off events. [2024-10-13 09:57:39,510 INFO L125 PetriNetUnfolderBase]: For 450/487 co-relation queries the response was YES. [2024-10-13 09:57:39,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10867 conditions, 8938 events. 464/8938 cut-off events. For 450/487 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 94394 event pairs, 188 based on Foata normal form. 0/7998 useless extension candidates. Maximal degree in co-relation 10353. Up to 519 conditions per place. [2024-10-13 09:57:39,644 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 20 selfloop transitions, 4 changer transitions 0/556 dead transitions. [2024-10-13 09:57:39,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 556 transitions, 1601 flow [2024-10-13 09:57:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 09:57:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 09:57:39,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2740 transitions. [2024-10-13 09:57:39,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9448275862068966 [2024-10-13 09:57:39,647 INFO L175 Difference]: Start difference. First operand has 535 places, 546 transitions, 1529 flow. Second operand 5 states and 2740 transitions. [2024-10-13 09:57:39,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 556 transitions, 1601 flow [2024-10-13 09:57:39,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 556 transitions, 1601 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:39,659 INFO L231 Difference]: Finished difference. Result has 542 places, 548 transitions, 1554 flow [2024-10-13 09:57:39,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1525, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1554, PETRI_PLACES=542, PETRI_TRANSITIONS=548} [2024-10-13 09:57:39,661 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-10-13 09:57:39,661 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 548 transitions, 1554 flow [2024-10-13 09:57:39,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.75) internal successors, (2179), 4 states have internal predecessors, (2179), 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) [2024-10-13 09:57:39,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:39,662 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:39,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-13 09:57:39,663 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:39,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:39,663 INFO L85 PathProgramCache]: Analyzing trace with hash 170838224, now seen corresponding path program 1 times [2024-10-13 09:57:39,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:39,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030343883] [2024-10-13 09:57:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:39,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:40,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:40,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030343883] [2024-10-13 09:57:40,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030343883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:40,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:40,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:57:40,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389459160] [2024-10-13 09:57:40,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:40,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:57:40,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:40,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:57:40,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:57:40,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-10-13 09:57:40,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 548 transitions, 1554 flow. Second operand has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-10-13 09:57:40,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:40,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-10-13 09:57:40,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:42,976 INFO L124 PetriNetUnfolderBase]: 462/8687 cut-off events. [2024-10-13 09:57:42,976 INFO L125 PetriNetUnfolderBase]: For 706/757 co-relation queries the response was YES. [2024-10-13 09:57:43,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11117 conditions, 8687 events. 462/8687 cut-off events. For 706/757 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 90455 event pairs, 78 based on Foata normal form. 0/7980 useless extension candidates. Maximal degree in co-relation 10538. Up to 282 conditions per place. [2024-10-13 09:57:43,140 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/555 dead transitions. [2024-10-13 09:57:43,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1646 flow [2024-10-13 09:57:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:57:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:57:43,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-10-13 09:57:43,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-10-13 09:57:43,144 INFO L175 Difference]: Start difference. First operand has 542 places, 548 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-10-13 09:57:43,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1646 flow [2024-10-13 09:57:43,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 555 transitions, 1646 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:57:43,158 INFO L231 Difference]: Finished difference. Result has 546 places, 547 transitions, 1564 flow [2024-10-13 09:57:43,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1564, PETRI_PLACES=546, PETRI_TRANSITIONS=547} [2024-10-13 09:57:43,159 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 11 predicate places. [2024-10-13 09:57:43,159 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 547 transitions, 1564 flow [2024-10-13 09:57:43,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-10-13 09:57:43,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:43,161 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:43,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-13 09:57:43,161 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:43,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:43,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1051757425, now seen corresponding path program 1 times [2024-10-13 09:57:43,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:43,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800006501] [2024-10-13 09:57:43,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:43,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:43,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:43,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800006501] [2024-10-13 09:57:43,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800006501] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:43,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:43,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:43,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9551793] [2024-10-13 09:57:43,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:43,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:43,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:43,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:43,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:43,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:43,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 547 transitions, 1564 flow. Second operand has 3 states, 3 states have (on average 543.6666666666666) internal successors, (1631), 3 states have internal predecessors, (1631), 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) [2024-10-13 09:57:43,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:43,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:43,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:45,548 INFO L124 PetriNetUnfolderBase]: 676/8755 cut-off events. [2024-10-13 09:57:45,549 INFO L125 PetriNetUnfolderBase]: For 1131/1172 co-relation queries the response was YES. [2024-10-13 09:57:45,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11996 conditions, 8755 events. 676/8755 cut-off events. For 1131/1172 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 94155 event pairs, 366 based on Foata normal form. 0/8004 useless extension candidates. Maximal degree in co-relation 11478. Up to 936 conditions per place. [2024-10-13 09:57:45,669 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 2 changer transitions 1/548 dead transitions. [2024-10-13 09:57:45,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 548 transitions, 1602 flow [2024-10-13 09:57:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-10-13 09:57:45,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-10-13 09:57:45,671 INFO L175 Difference]: Start difference. First operand has 546 places, 547 transitions, 1564 flow. Second operand 3 states and 1639 transitions. [2024-10-13 09:57:45,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 548 transitions, 1602 flow [2024-10-13 09:57:45,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 548 transitions, 1590 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:57:45,686 INFO L231 Difference]: Finished difference. Result has 542 places, 546 transitions, 1554 flow [2024-10-13 09:57:45,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1550, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1554, PETRI_PLACES=542, PETRI_TRANSITIONS=546} [2024-10-13 09:57:45,687 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-10-13 09:57:45,687 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 546 transitions, 1554 flow [2024-10-13 09:57:45,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.6666666666666) internal successors, (1631), 3 states have internal predecessors, (1631), 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) [2024-10-13 09:57:45,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:45,688 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:45,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-13 09:57:45,688 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:45,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:45,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2106410495, now seen corresponding path program 1 times [2024-10-13 09:57:45,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:45,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839593452] [2024-10-13 09:57:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:46,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:46,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839593452] [2024-10-13 09:57:46,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839593452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:46,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:46,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:57:46,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353051008] [2024-10-13 09:57:46,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:46,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:57:46,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:57:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:57:46,877 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-10-13 09:57:46,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 546 transitions, 1554 flow. Second operand has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-10-13 09:57:46,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:46,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-10-13 09:57:46,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:48,780 INFO L124 PetriNetUnfolderBase]: 216/6466 cut-off events. [2024-10-13 09:57:48,780 INFO L125 PetriNetUnfolderBase]: For 345/427 co-relation queries the response was YES. [2024-10-13 09:57:48,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8091 conditions, 6466 events. 216/6466 cut-off events. For 345/427 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 55152 event pairs, 39 based on Foata normal form. 2/6077 useless extension candidates. Maximal degree in co-relation 7905. Up to 152 conditions per place. [2024-10-13 09:57:48,935 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2024-10-13 09:57:48,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 553 transitions, 1646 flow [2024-10-13 09:57:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:57:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:57:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-10-13 09:57:48,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-10-13 09:57:48,939 INFO L175 Difference]: Start difference. First operand has 542 places, 546 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-10-13 09:57:48,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 553 transitions, 1646 flow [2024-10-13 09:57:48,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 553 transitions, 1642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:48,952 INFO L231 Difference]: Finished difference. Result has 544 places, 545 transitions, 1560 flow [2024-10-13 09:57:48,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1548, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1560, PETRI_PLACES=544, PETRI_TRANSITIONS=545} [2024-10-13 09:57:48,953 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 9 predicate places. [2024-10-13 09:57:48,953 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 545 transitions, 1560 flow [2024-10-13 09:57:48,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-10-13 09:57:48,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:48,954 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:48,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-13 09:57:48,955 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:48,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:48,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1514935561, now seen corresponding path program 1 times [2024-10-13 09:57:48,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:48,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37737789] [2024-10-13 09:57:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:49,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:49,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37737789] [2024-10-13 09:57:49,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37737789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:49,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:49,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:57:49,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877286655] [2024-10-13 09:57:49,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:49,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:57:49,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:49,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:57:49,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:57:50,021 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-10-13 09:57:50,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 545 transitions, 1560 flow. Second operand has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-10-13 09:57:50,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:50,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-10-13 09:57:50,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:52,009 INFO L124 PetriNetUnfolderBase]: 512/8653 cut-off events. [2024-10-13 09:57:52,009 INFO L125 PetriNetUnfolderBase]: For 775/816 co-relation queries the response was YES. [2024-10-13 09:57:52,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11257 conditions, 8653 events. 512/8653 cut-off events. For 775/816 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 90197 event pairs, 76 based on Foata normal form. 8/8123 useless extension candidates. Maximal degree in co-relation 10678. Up to 320 conditions per place. [2024-10-13 09:57:52,134 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/552 dead transitions. [2024-10-13 09:57:52,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 552 transitions, 1652 flow [2024-10-13 09:57:52,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:57:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:57:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-10-13 09:57:52,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-10-13 09:57:52,137 INFO L175 Difference]: Start difference. First operand has 544 places, 545 transitions, 1560 flow. Second operand 6 states and 3209 transitions. [2024-10-13 09:57:52,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 552 transitions, 1652 flow [2024-10-13 09:57:52,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 552 transitions, 1640 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:57:52,147 INFO L231 Difference]: Finished difference. Result has 543 places, 544 transitions, 1558 flow [2024-10-13 09:57:52,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1558, PETRI_PLACES=543, PETRI_TRANSITIONS=544} [2024-10-13 09:57:52,148 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 8 predicate places. [2024-10-13 09:57:52,148 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 544 transitions, 1558 flow [2024-10-13 09:57:52,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-10-13 09:57:52,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:52,149 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:52,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-13 09:57:52,149 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:52,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1084612448, now seen corresponding path program 1 times [2024-10-13 09:57:52,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:52,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714993806] [2024-10-13 09:57:52,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:52,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:52,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:52,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714993806] [2024-10-13 09:57:52,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714993806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:52,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:52,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:52,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376005461] [2024-10-13 09:57:52,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:52,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:52,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:52,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:52,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:52,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:52,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 544 transitions, 1558 flow. Second operand has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-10-13 09:57:52,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:52,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:52,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:54,185 INFO L124 PetriNetUnfolderBase]: 226/7968 cut-off events. [2024-10-13 09:57:54,185 INFO L125 PetriNetUnfolderBase]: For 376/602 co-relation queries the response was YES. [2024-10-13 09:57:54,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10222 conditions, 7968 events. 226/7968 cut-off events. For 376/602 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 73685 event pairs, 84 based on Foata normal form. 10/7639 useless extension candidates. Maximal degree in co-relation 10060. Up to 301 conditions per place. [2024-10-13 09:57:54,369 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/545 dead transitions. [2024-10-13 09:57:54,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 545 transitions, 1596 flow [2024-10-13 09:57:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-10-13 09:57:54,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-10-13 09:57:54,371 INFO L175 Difference]: Start difference. First operand has 543 places, 544 transitions, 1558 flow. Second operand 3 states and 1639 transitions. [2024-10-13 09:57:54,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 545 transitions, 1596 flow [2024-10-13 09:57:54,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1584 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:57:54,383 INFO L231 Difference]: Finished difference. Result has 539 places, 543 transitions, 1550 flow [2024-10-13 09:57:54,384 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1544, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1550, PETRI_PLACES=539, PETRI_TRANSITIONS=543} [2024-10-13 09:57:54,384 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-10-13 09:57:54,384 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 543 transitions, 1550 flow [2024-10-13 09:57:54,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-10-13 09:57:54,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:54,385 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:54,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-13 09:57:54,385 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:54,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash 489840561, now seen corresponding path program 1 times [2024-10-13 09:57:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:54,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533806352] [2024-10-13 09:57:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:54,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:54,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:54,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533806352] [2024-10-13 09:57:54,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533806352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:54,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:54,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:54,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127539134] [2024-10-13 09:57:54,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:54,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:54,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:54,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:54,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:54,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:54,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 543 transitions, 1550 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-10-13 09:57:54,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:54,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:54,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:56,615 INFO L124 PetriNetUnfolderBase]: 325/8405 cut-off events. [2024-10-13 09:57:56,616 INFO L125 PetriNetUnfolderBase]: For 458/595 co-relation queries the response was YES. [2024-10-13 09:57:56,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10474 conditions, 8405 events. 325/8405 cut-off events. For 458/595 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 80731 event pairs, 166 based on Foata normal form. 0/7984 useless extension candidates. Maximal degree in co-relation 9956. Up to 367 conditions per place. [2024-10-13 09:57:56,830 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/544 dead transitions. [2024-10-13 09:57:56,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1588 flow [2024-10-13 09:57:56,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-10-13 09:57:56,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-10-13 09:57:56,832 INFO L175 Difference]: Start difference. First operand has 539 places, 543 transitions, 1550 flow. Second operand 3 states and 1639 transitions. [2024-10-13 09:57:56,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1588 flow [2024-10-13 09:57:56,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1582 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:56,841 INFO L231 Difference]: Finished difference. Result has 538 places, 542 transitions, 1548 flow [2024-10-13 09:57:56,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1548, PETRI_PLACES=538, PETRI_TRANSITIONS=542} [2024-10-13 09:57:56,842 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-10-13 09:57:56,842 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 542 transitions, 1548 flow [2024-10-13 09:57:56,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-10-13 09:57:56,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:57:56,843 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:56,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-13 09:57:56,843 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-10-13 09:57:56,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:57:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1467535911, now seen corresponding path program 1 times [2024-10-13 09:57:56,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:57:56,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181645758] [2024-10-13 09:57:56,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:57:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:57:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:57:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-13 09:57:56,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:57:56,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181645758] [2024-10-13 09:57:56,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181645758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:57:56,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:57:56,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:57:56,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347248992] [2024-10-13 09:57:56,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:57:56,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:57:56,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:57:56,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:57:56,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:57:56,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-10-13 09:57:56,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 542 transitions, 1548 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:56,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:57:56,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-10-13 09:57:56,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:57:59,069 INFO L124 PetriNetUnfolderBase]: 620/8668 cut-off events. [2024-10-13 09:57:59,069 INFO L125 PetriNetUnfolderBase]: For 886/915 co-relation queries the response was YES. [2024-10-13 09:57:59,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 8668 events. 620/8668 cut-off events. For 886/915 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 92841 event pairs, 344 based on Foata normal form. 0/8155 useless extension candidates. Maximal degree in co-relation 10901. Up to 890 conditions per place. [2024-10-13 09:57:59,165 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 0 selfloop transitions, 0 changer transitions 543/543 dead transitions. [2024-10-13 09:57:59,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1586 flow [2024-10-13 09:57:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:57:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:57:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-10-13 09:57:59,166 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-10-13 09:57:59,166 INFO L175 Difference]: Start difference. First operand has 538 places, 542 transitions, 1548 flow. Second operand 3 states and 1639 transitions. [2024-10-13 09:57:59,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1586 flow [2024-10-13 09:57:59,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:57:59,173 INFO L231 Difference]: Finished difference. Result has 537 places, 0 transitions, 0 flow [2024-10-13 09:57:59,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1540, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=537, PETRI_TRANSITIONS=0} [2024-10-13 09:57:59,173 INFO L277 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-10-13 09:57:59,174 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 0 transitions, 0 flow [2024-10-13 09:57:59,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-10-13 09:57:59,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (80 of 81 remaining) [2024-10-13 09:57:59,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2024-10-13 09:57:59,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2024-10-13 09:57:59,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2024-10-13 09:57:59,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2024-10-13 09:57:59,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2024-10-13 09:57:59,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2024-10-13 09:57:59,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2024-10-13 09:57:59,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2024-10-13 09:57:59,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2024-10-13 09:57:59,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2024-10-13 09:57:59,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2024-10-13 09:57:59,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2024-10-13 09:57:59,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2024-10-13 09:57:59,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2024-10-13 09:57:59,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2024-10-13 09:57:59,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2024-10-13 09:57:59,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2024-10-13 09:57:59,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2024-10-13 09:57:59,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2024-10-13 09:57:59,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2024-10-13 09:57:59,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2024-10-13 09:57:59,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2024-10-13 09:57:59,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2024-10-13 09:57:59,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2024-10-13 09:57:59,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2024-10-13 09:57:59,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2024-10-13 09:57:59,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2024-10-13 09:57:59,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2024-10-13 09:57:59,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2024-10-13 09:57:59,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2024-10-13 09:57:59,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2024-10-13 09:57:59,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2024-10-13 09:57:59,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2024-10-13 09:57:59,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2024-10-13 09:57:59,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2024-10-13 09:57:59,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2024-10-13 09:57:59,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2024-10-13 09:57:59,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2024-10-13 09:57:59,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2024-10-13 09:57:59,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2024-10-13 09:57:59,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2024-10-13 09:57:59,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2024-10-13 09:57:59,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2024-10-13 09:57:59,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-13 09:57:59,187 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:57:59,193 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:57:59,193 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:57:59,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:57:59 BasicIcfg [2024-10-13 09:57:59,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:57:59,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:57:59,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:57:59,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:57:59,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:56:59" (3/4) ... [2024-10-13 09:57:59,204 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:57:59,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 09:57:59,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 09:57:59,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 09:57:59,214 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-13 09:57:59,215 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:57:59,215 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:57:59,216 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:57:59,327 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:57:59,327 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:57:59,327 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:57:59,328 INFO L158 Benchmark]: Toolchain (without parser) took 61170.79ms. Allocated memory was 176.2MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 105.2MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 717.0MB. Max. memory is 16.1GB. [2024-10-13 09:57:59,328 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 132.8MB in the beginning and 132.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:57:59,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.81ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 90.1MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 09:57:59,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.95ms. Allocated memory is still 176.2MB. Free memory was 90.1MB in the beginning and 146.0MB in the end (delta: -55.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-10-13 09:57:59,330 INFO L158 Benchmark]: Boogie Preprocessor took 119.76ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 142.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:57:59,331 INFO L158 Benchmark]: RCFGBuilder took 966.73ms. Allocated memory is still 176.2MB. Free memory was 142.5MB in the beginning and 99.8MB in the end (delta: 42.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-13 09:57:59,331 INFO L158 Benchmark]: TraceAbstraction took 59504.22ms. Allocated memory was 176.2MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 99.2MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-10-13 09:57:59,331 INFO L158 Benchmark]: Witness Printer took 125.40ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 09:57:59,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 132.8MB in the beginning and 132.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.81ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 90.1MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.95ms. Allocated memory is still 176.2MB. Free memory was 90.1MB in the beginning and 146.0MB in the end (delta: -55.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.76ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 142.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 966.73ms. Allocated memory is still 176.2MB. Free memory was 142.5MB in the beginning and 99.8MB in the end (delta: 42.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 59504.22ms. Allocated memory was 176.2MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 99.2MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 125.40ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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 7 procedures, 848 locations, 81 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: 59.3s, OverallIterations: 37, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 46.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3908 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2553 mSDsluCounter, 1615 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1318 mSDsCounter, 721 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6996 IncrementalHoareTripleChecker+Invalid, 7717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 721 mSolverCounterUnsat, 297 mSDtfsCounter, 6996 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1514 GetRequests, 1379 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1616occurred in iteration=25, InterpolantAutomatonStates: 162, 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: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 10539 NumberOfCodeBlocks, 10404 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 11025 ConstructedInterpolants, 0 QuantifiedInterpolants, 13337 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1527 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 42 InterpolantComputations, 35 PerfectInterpolantSequences, 6837/7032 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 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:57:59,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE