./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/weaver/popl20-more-dec-subseq.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 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:39:27,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:39:27,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:39:27,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:39:27,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:39:27,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:39:27,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:39:27,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:39:27,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:39:27,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:39:27,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:39:27,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:39:27,694 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:39:27,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:39:27,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:39:27,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:39:27,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:39:27,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:39:27,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:39:27,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:39:27,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:39:27,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:39:27,704 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:39:27,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:39:27,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:39:27,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:39:27,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:39:27,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:39:27,705 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:39:27,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:39:27,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:39:27,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:27,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:39:27,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:39:27,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:39:27,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:39:27,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:39:27,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:39:27,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:39:27,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:39:27,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:39:27,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2024-11-10 14:39:27,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:39:27,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:39:27,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:39:27,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:39:27,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:39:27,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2024-11-10 14:39:29,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:39:29,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:39:29,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2024-11-10 14:39:29,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32db0df1a/4d09baa4961b4eec8b797b5400522ac5/FLAG9676c95ad [2024-11-10 14:39:30,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32db0df1a/4d09baa4961b4eec8b797b5400522ac5 [2024-11-10 14:39:30,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:39:30,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:39:30,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:30,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:39:30,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:39:30,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3932e314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30, skipping insertion in model container [2024-11-10 14:39:30,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:39:30,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:30,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:39:30,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:30,470 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:39:30,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30 WrapperNode [2024-11-10 14:39:30,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:30,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:30,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:39:30,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:39:30,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,526 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 403 [2024-11-10 14:39:30,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:30,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:39:30,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:39:30,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:39:30,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,577 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:39:30,604 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:39:30,604 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:39:30,605 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:39:30,606 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (1/1) ... [2024-11-10 14:39:30,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:30,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:39:30,655 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) [2024-11-10 14:39:30,657 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 [2024-11-10 14:39:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:39:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:39:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:39:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:39:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:39:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:39:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:39:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:39:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:39:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:39:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:39:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:39:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:39:30,702 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:39:30,824 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:39:30,826 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:39:31,567 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:39:31,567 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:39:31,800 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:39:31,801 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:39:31,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:31 BoogieIcfgContainer [2024-11-10 14:39:31,801 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:39:31,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:39:31,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:39:31,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:39:31,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:39:30" (1/3) ... [2024-11-10 14:39:31,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a051ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:31, skipping insertion in model container [2024-11-10 14:39:31,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:30" (2/3) ... [2024-11-10 14:39:31,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a051ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:31, skipping insertion in model container [2024-11-10 14:39:31,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:31" (3/3) ... [2024-11-10 14:39:31,812 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2024-11-10 14:39:31,829 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:39:31,830 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2024-11-10 14:39:31,830 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:39:31,956 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:39:32,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 367 places, 376 transitions, 766 flow [2024-11-10 14:39:32,162 INFO L124 PetriNetUnfolderBase]: 16/374 cut-off events. [2024-11-10 14:39:32,164 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:39:32,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 374 events. 16/374 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 651 event pairs, 0 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2024-11-10 14:39:32,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 367 places, 376 transitions, 766 flow [2024-11-10 14:39:32,184 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 349 places, 357 transitions, 726 flow [2024-11-10 14:39:32,195 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:39:32,201 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;@69ceb9b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:39:32,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2024-11-10 14:39:32,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:39:32,206 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-10 14:39:32,206 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:39:32,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:32,207 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] [2024-11-10 14:39:32,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:32,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:32,215 INFO L85 PathProgramCache]: Analyzing trace with hash -169680531, now seen corresponding path program 1 times [2024-11-10 14:39:32,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:32,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133852915] [2024-11-10 14:39:32,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:32,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:32,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:32,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133852915] [2024-11-10 14:39:32,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133852915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:32,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:32,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:32,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991613572] [2024-11-10 14:39:32,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:32,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:32,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:32,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:32,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:32,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:32,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 357 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:32,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:32,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:32,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:32,676 INFO L124 PetriNetUnfolderBase]: 40/489 cut-off events. [2024-11-10 14:39:32,677 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-10 14:39:32,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 489 events. 40/489 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1429 event pairs, 13 based on Foata normal form. 22/413 useless extension candidates. Maximal degree in co-relation 280. Up to 61 conditions per place. [2024-11-10 14:39:32,685 INFO L140 encePairwiseOnDemand]: 332/376 looper letters, 15 selfloop transitions, 2 changer transitions 5/315 dead transitions. [2024-11-10 14:39:32,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 315 transitions, 676 flow [2024-11-10 14:39:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:32,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2024-11-10 14:39:32,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8874113475177305 [2024-11-10 14:39:32,708 INFO L175 Difference]: Start difference. First operand has 349 places, 357 transitions, 726 flow. Second operand 3 states and 1001 transitions. [2024-11-10 14:39:32,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 315 transitions, 676 flow [2024-11-10 14:39:32,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 668 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:39:32,723 INFO L231 Difference]: Finished difference. Result has 314 places, 310 transitions, 628 flow [2024-11-10 14:39:32,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=314, PETRI_TRANSITIONS=310} [2024-11-10 14:39:32,729 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -35 predicate places. [2024-11-10 14:39:32,730 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 310 transitions, 628 flow [2024-11-10 14:39:32,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:32,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:32,732 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] [2024-11-10 14:39:32,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:39:32,733 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:32,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:32,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2103357913, now seen corresponding path program 1 times [2024-11-10 14:39:32,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:32,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699753898] [2024-11-10 14:39:32,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:32,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:32,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:32,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699753898] [2024-11-10 14:39:32,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699753898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:32,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:32,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:32,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540519614] [2024-11-10 14:39:32,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:32,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:32,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:32,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:32,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:32,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:32,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:32,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:32,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:32,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:32,974 INFO L124 PetriNetUnfolderBase]: 26/484 cut-off events. [2024-11-10 14:39:32,975 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:39:32,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 484 events. 26/484 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1311 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 506. Up to 44 conditions per place. [2024-11-10 14:39:32,980 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 15 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-10 14:39:32,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 309 transitions, 660 flow [2024-11-10 14:39:32,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-10 14:39:32,987 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-10 14:39:32,987 INFO L175 Difference]: Start difference. First operand has 314 places, 310 transitions, 628 flow. Second operand 3 states and 960 transitions. [2024-11-10 14:39:32,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 309 transitions, 660 flow [2024-11-10 14:39:32,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 309 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:32,995 INFO L231 Difference]: Finished difference. Result has 308 places, 309 transitions, 626 flow [2024-11-10 14:39:32,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=308, PETRI_TRANSITIONS=309} [2024-11-10 14:39:32,998 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -41 predicate places. [2024-11-10 14:39:32,998 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 309 transitions, 626 flow [2024-11-10 14:39:32,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:32,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:32,999 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] [2024-11-10 14:39:32,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:39:33,000 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:33,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:33,001 INFO L85 PathProgramCache]: Analyzing trace with hash -233780411, now seen corresponding path program 1 times [2024-11-10 14:39:33,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:33,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416880619] [2024-11-10 14:39:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:33,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:33,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416880619] [2024-11-10 14:39:33,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416880619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:33,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:33,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:33,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216455775] [2024-11-10 14:39:33,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:33,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:33,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:33,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:33,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:33,091 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:33,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:33,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:33,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:33,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:33,181 INFO L124 PetriNetUnfolderBase]: 28/470 cut-off events. [2024-11-10 14:39:33,181 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:39:33,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 470 events. 28/470 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1250 event pairs, 7 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 480. Up to 41 conditions per place. [2024-11-10 14:39:33,185 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-10 14:39:33,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 308 transitions, 654 flow [2024-11-10 14:39:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-10 14:39:33,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2024-11-10 14:39:33,206 INFO L175 Difference]: Start difference. First operand has 308 places, 309 transitions, 626 flow. Second operand 3 states and 964 transitions. [2024-11-10 14:39:33,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 308 transitions, 654 flow [2024-11-10 14:39:33,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 308 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:33,212 INFO L231 Difference]: Finished difference. Result has 307 places, 308 transitions, 624 flow [2024-11-10 14:39:33,213 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=307, PETRI_TRANSITIONS=308} [2024-11-10 14:39:33,214 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -42 predicate places. [2024-11-10 14:39:33,214 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 308 transitions, 624 flow [2024-11-10 14:39:33,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:33,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:33,215 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] [2024-11-10 14:39:33,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:39:33,215 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:33,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:33,216 INFO L85 PathProgramCache]: Analyzing trace with hash 285806127, now seen corresponding path program 1 times [2024-11-10 14:39:33,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:33,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988158418] [2024-11-10 14:39:33,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:33,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:33,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988158418] [2024-11-10 14:39:33,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988158418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:33,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:33,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:33,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413415127] [2024-11-10 14:39:33,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:33,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:33,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:33,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:33,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:33,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:33,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:33,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:33,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:33,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:33,375 INFO L124 PetriNetUnfolderBase]: 28/469 cut-off events. [2024-11-10 14:39:33,375 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:39:33,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 469 events. 28/469 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1247 event pairs, 7 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 471. Up to 41 conditions per place. [2024-11-10 14:39:33,379 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-11-10 14:39:33,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 307 transitions, 652 flow [2024-11-10 14:39:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-10 14:39:33,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2024-11-10 14:39:33,382 INFO L175 Difference]: Start difference. First operand has 307 places, 308 transitions, 624 flow. Second operand 3 states and 964 transitions. [2024-11-10 14:39:33,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 307 transitions, 652 flow [2024-11-10 14:39:33,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 307 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:33,387 INFO L231 Difference]: Finished difference. Result has 306 places, 307 transitions, 622 flow [2024-11-10 14:39:33,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=306, PETRI_TRANSITIONS=307} [2024-11-10 14:39:33,389 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:33,389 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 307 transitions, 622 flow [2024-11-10 14:39:33,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-10 14:39:33,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:33,390 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] [2024-11-10 14:39:33,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:39:33,390 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:33,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:33,391 INFO L85 PathProgramCache]: Analyzing trace with hash 774020752, now seen corresponding path program 1 times [2024-11-10 14:39:33,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:33,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473836198] [2024-11-10 14:39:33,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:33,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:33,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:33,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473836198] [2024-11-10 14:39:33,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473836198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:33,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:33,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:33,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298561527] [2024-11-10 14:39:33,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:33,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:33,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:33,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:33,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:33,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 376 [2024-11-10 14:39:33,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:33,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:33,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 376 [2024-11-10 14:39:33,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:33,547 INFO L124 PetriNetUnfolderBase]: 34/533 cut-off events. [2024-11-10 14:39:33,547 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-10 14:39:33,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 533 events. 34/533 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1481 event pairs, 6 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 535. Up to 27 conditions per place. [2024-11-10 14:39:33,552 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 15 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-11-10 14:39:33,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 311 transitions, 666 flow [2024-11-10 14:39:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-11-10 14:39:33,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2024-11-10 14:39:33,555 INFO L175 Difference]: Start difference. First operand has 306 places, 307 transitions, 622 flow. Second operand 3 states and 978 transitions. [2024-11-10 14:39:33,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 311 transitions, 666 flow [2024-11-10 14:39:33,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 311 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:33,579 INFO L231 Difference]: Finished difference. Result has 306 places, 307 transitions, 626 flow [2024-11-10 14:39:33,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=307} [2024-11-10 14:39:33,582 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:33,583 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 307 transitions, 626 flow [2024-11-10 14:39:33,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:33,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:33,586 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] [2024-11-10 14:39:33,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:39:33,586 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:33,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:33,590 INFO L85 PathProgramCache]: Analyzing trace with hash 157874120, now seen corresponding path program 1 times [2024-11-10 14:39:33,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:33,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97312928] [2024-11-10 14:39:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:33,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:33,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97312928] [2024-11-10 14:39:33,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97312928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:33,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:33,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:33,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497625611] [2024-11-10 14:39:33,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:33,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:33,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:33,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:33,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 376 [2024-11-10 14:39:33,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 307 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:33,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:33,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 376 [2024-11-10 14:39:33,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:33,785 INFO L124 PetriNetUnfolderBase]: 34/500 cut-off events. [2024-11-10 14:39:33,785 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-10 14:39:33,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 500 events. 34/500 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1495 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 315. Up to 51 conditions per place. [2024-11-10 14:39:33,789 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-11-10 14:39:33,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 306 transitions, 654 flow [2024-11-10 14:39:33,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-10 14:39:33,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2024-11-10 14:39:33,793 INFO L175 Difference]: Start difference. First operand has 306 places, 307 transitions, 626 flow. Second operand 3 states and 966 transitions. [2024-11-10 14:39:33,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 306 transitions, 654 flow [2024-11-10 14:39:33,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 652 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:33,800 INFO L231 Difference]: Finished difference. Result has 306 places, 306 transitions, 626 flow [2024-11-10 14:39:33,803 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=306} [2024-11-10 14:39:33,804 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:33,804 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 306 transitions, 626 flow [2024-11-10 14:39:33,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:33,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:33,805 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] [2024-11-10 14:39:33,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:39:33,806 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:33,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:33,807 INFO L85 PathProgramCache]: Analyzing trace with hash 239593419, now seen corresponding path program 1 times [2024-11-10 14:39:33,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:33,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560860273] [2024-11-10 14:39:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:33,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:33,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:33,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560860273] [2024-11-10 14:39:33,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560860273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:33,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:33,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:33,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755544683] [2024-11-10 14:39:33,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:33,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:33,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:33,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:33,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:33,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 376 [2024-11-10 14:39:33,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 306 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:33,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:33,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 376 [2024-11-10 14:39:33,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:33,938 INFO L124 PetriNetUnfolderBase]: 34/499 cut-off events. [2024-11-10 14:39:33,939 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 14:39:33,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 499 events. 34/499 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1504 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 502. Up to 49 conditions per place. [2024-11-10 14:39:33,942 INFO L140 encePairwiseOnDemand]: 374/376 looper letters, 12 selfloop transitions, 1 changer transitions 0/305 dead transitions. [2024-11-10 14:39:33,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 305 transitions, 650 flow [2024-11-10 14:39:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-10 14:39:33,945 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8625886524822695 [2024-11-10 14:39:33,945 INFO L175 Difference]: Start difference. First operand has 306 places, 306 transitions, 626 flow. Second operand 3 states and 973 transitions. [2024-11-10 14:39:33,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 305 transitions, 650 flow [2024-11-10 14:39:33,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 305 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:33,951 INFO L231 Difference]: Finished difference. Result has 305 places, 305 transitions, 622 flow [2024-11-10 14:39:33,952 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=305, PETRI_TRANSITIONS=305} [2024-11-10 14:39:33,953 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -44 predicate places. [2024-11-10 14:39:33,953 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 305 transitions, 622 flow [2024-11-10 14:39:33,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2024-11-10 14:39:33,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:33,954 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] [2024-11-10 14:39:33,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:39:33,955 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:33,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:33,956 INFO L85 PathProgramCache]: Analyzing trace with hash 2125990188, now seen corresponding path program 1 times [2024-11-10 14:39:33,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:33,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797997368] [2024-11-10 14:39:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:33,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:34,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:34,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797997368] [2024-11-10 14:39:34,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797997368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:34,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:34,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:34,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884174427] [2024-11-10 14:39:34,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:34,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:34,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:34,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:34,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:34,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 376 [2024-11-10 14:39:34,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 305 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:34,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:34,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 376 [2024-11-10 14:39:34,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:34,153 INFO L124 PetriNetUnfolderBase]: 34/498 cut-off events. [2024-11-10 14:39:34,154 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 14:39:34,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 498 events. 34/498 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1501 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 502. Up to 51 conditions per place. [2024-11-10 14:39:34,158 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-10 14:39:34,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 304 transitions, 650 flow [2024-11-10 14:39:34,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-10 14:39:34,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2024-11-10 14:39:34,161 INFO L175 Difference]: Start difference. First operand has 305 places, 305 transitions, 622 flow. Second operand 3 states and 966 transitions. [2024-11-10 14:39:34,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 304 transitions, 650 flow [2024-11-10 14:39:34,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 649 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:34,166 INFO L231 Difference]: Finished difference. Result has 305 places, 304 transitions, 623 flow [2024-11-10 14:39:34,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=623, PETRI_PLACES=305, PETRI_TRANSITIONS=304} [2024-11-10 14:39:34,168 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -44 predicate places. [2024-11-10 14:39:34,168 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 304 transitions, 623 flow [2024-11-10 14:39:34,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:34,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:34,169 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] [2024-11-10 14:39:34,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:39:34,169 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:34,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:34,170 INFO L85 PathProgramCache]: Analyzing trace with hash -976708679, now seen corresponding path program 1 times [2024-11-10 14:39:34,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:34,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850968667] [2024-11-10 14:39:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:34,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:34,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:34,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850968667] [2024-11-10 14:39:34,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850968667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:34,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:34,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:34,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854717050] [2024-11-10 14:39:34,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:34,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:34,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:34,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:34,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:34,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 376 [2024-11-10 14:39:34,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 304 transitions, 623 flow. Second operand has 6 states, 6 states have (on average 285.5) internal successors, (1713), 6 states have internal predecessors, (1713), 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) [2024-11-10 14:39:34,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:34,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 376 [2024-11-10 14:39:34,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:35,101 INFO L124 PetriNetUnfolderBase]: 73/663 cut-off events. [2024-11-10 14:39:35,101 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-10 14:39:35,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 663 events. 73/663 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2707 event pairs, 42 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 795. Up to 144 conditions per place. [2024-11-10 14:39:35,106 INFO L140 encePairwiseOnDemand]: 364/376 looper letters, 38 selfloop transitions, 10 changer transitions 0/302 dead transitions. [2024-11-10 14:39:35,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 302 transitions, 715 flow [2024-11-10 14:39:35,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1753 transitions. [2024-11-10 14:39:35,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7770390070921985 [2024-11-10 14:39:35,111 INFO L175 Difference]: Start difference. First operand has 305 places, 304 transitions, 623 flow. Second operand 6 states and 1753 transitions. [2024-11-10 14:39:35,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 302 transitions, 715 flow [2024-11-10 14:39:35,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 302 transitions, 711 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:35,117 INFO L231 Difference]: Finished difference. Result has 306 places, 302 transitions, 635 flow [2024-11-10 14:39:35,118 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=635, PETRI_PLACES=306, PETRI_TRANSITIONS=302} [2024-11-10 14:39:35,119 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -43 predicate places. [2024-11-10 14:39:35,120 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 302 transitions, 635 flow [2024-11-10 14:39:35,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 285.5) internal successors, (1713), 6 states have internal predecessors, (1713), 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) [2024-11-10 14:39:35,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:35,121 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] [2024-11-10 14:39:35,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:39:35,122 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:35,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:35,122 INFO L85 PathProgramCache]: Analyzing trace with hash -443436555, now seen corresponding path program 1 times [2024-11-10 14:39:35,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:35,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706981677] [2024-11-10 14:39:35,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:35,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:35,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706981677] [2024-11-10 14:39:35,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706981677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:35,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:35,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:35,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523761397] [2024-11-10 14:39:35,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:35,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:35,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:35,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:35,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:35,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:35,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 302 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:35,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:35,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:35,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:35,277 INFO L124 PetriNetUnfolderBase]: 37/541 cut-off events. [2024-11-10 14:39:35,277 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:39:35,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 541 events. 37/541 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1676 event pairs, 18 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 604. Up to 63 conditions per place. [2024-11-10 14:39:35,281 INFO L140 encePairwiseOnDemand]: 372/376 looper letters, 16 selfloop transitions, 1 changer transitions 0/299 dead transitions. [2024-11-10 14:39:35,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 663 flow [2024-11-10 14:39:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-10 14:39:35,284 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8519503546099291 [2024-11-10 14:39:35,284 INFO L175 Difference]: Start difference. First operand has 306 places, 302 transitions, 635 flow. Second operand 3 states and 961 transitions. [2024-11-10 14:39:35,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 663 flow [2024-11-10 14:39:35,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 299 transitions, 643 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:35,289 INFO L231 Difference]: Finished difference. Result has 300 places, 299 transitions, 611 flow [2024-11-10 14:39:35,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=300, PETRI_TRANSITIONS=299} [2024-11-10 14:39:35,290 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:35,290 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 299 transitions, 611 flow [2024-11-10 14:39:35,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:35,291 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:35,291 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] [2024-11-10 14:39:35,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:39:35,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:35,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:35,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1916041367, now seen corresponding path program 1 times [2024-11-10 14:39:35,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:35,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102091268] [2024-11-10 14:39:35,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:35,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:35,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:35,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102091268] [2024-11-10 14:39:35,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102091268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:35,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:35,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:35,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972436365] [2024-11-10 14:39:35,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:35,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:35,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:35,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:35,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:35,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:35,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 299 transitions, 611 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:35,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:35,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:35,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:35,456 INFO L124 PetriNetUnfolderBase]: 45/607 cut-off events. [2024-11-10 14:39:35,457 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-10 14:39:35,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 607 events. 45/607 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2230 event pairs, 18 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 639. Up to 72 conditions per place. [2024-11-10 14:39:35,461 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 16 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-11-10 14:39:35,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 298 transitions, 645 flow [2024-11-10 14:39:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:35,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-10 14:39:35,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-10 14:39:35,464 INFO L175 Difference]: Start difference. First operand has 300 places, 299 transitions, 611 flow. Second operand 3 states and 960 transitions. [2024-11-10 14:39:35,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 298 transitions, 645 flow [2024-11-10 14:39:35,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 298 transitions, 644 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:35,470 INFO L231 Difference]: Finished difference. Result has 300 places, 298 transitions, 612 flow [2024-11-10 14:39:35,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=300, PETRI_TRANSITIONS=298} [2024-11-10 14:39:35,471 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:35,471 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 298 transitions, 612 flow [2024-11-10 14:39:35,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:35,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:35,472 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] [2024-11-10 14:39:35,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:39:35,472 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:35,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:35,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1623657728, now seen corresponding path program 1 times [2024-11-10 14:39:35,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:35,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008622777] [2024-11-10 14:39:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:35,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:35,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:35,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008622777] [2024-11-10 14:39:35,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008622777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:35,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:35,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:35,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109774833] [2024-11-10 14:39:35,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:35,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:35,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:35,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:35,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:35,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:35,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 298 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:35,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:35,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:35,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:35,674 INFO L124 PetriNetUnfolderBase]: 53/624 cut-off events. [2024-11-10 14:39:35,675 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-10 14:39:35,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 624 events. 53/624 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2369 event pairs, 26 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 678. Up to 85 conditions per place. [2024-11-10 14:39:35,679 INFO L140 encePairwiseOnDemand]: 372/376 looper letters, 16 selfloop transitions, 1 changer transitions 0/295 dead transitions. [2024-11-10 14:39:35,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 640 flow [2024-11-10 14:39:35,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:35,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-10 14:39:35,682 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8519503546099291 [2024-11-10 14:39:35,682 INFO L175 Difference]: Start difference. First operand has 300 places, 298 transitions, 612 flow. Second operand 3 states and 961 transitions. [2024-11-10 14:39:35,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 640 flow [2024-11-10 14:39:35,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 295 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:35,688 INFO L231 Difference]: Finished difference. Result has 297 places, 295 transitions, 604 flow [2024-11-10 14:39:35,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=297, PETRI_TRANSITIONS=295} [2024-11-10 14:39:35,689 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -52 predicate places. [2024-11-10 14:39:35,689 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 295 transitions, 604 flow [2024-11-10 14:39:35,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-10 14:39:35,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:35,690 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] [2024-11-10 14:39:35,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:39:35,690 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:35,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:35,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1507995078, now seen corresponding path program 1 times [2024-11-10 14:39:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563410473] [2024-11-10 14:39:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563410473] [2024-11-10 14:39:36,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563410473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:36,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590392168] [2024-11-10 14:39:36,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:36,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:36,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:36,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 376 [2024-11-10 14:39:36,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 295 transitions, 604 flow. Second operand has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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) [2024-11-10 14:39:36,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 376 [2024-11-10 14:39:36,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,420 INFO L124 PetriNetUnfolderBase]: 34/486 cut-off events. [2024-11-10 14:39:36,421 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 14:39:36,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 486 events. 34/486 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1440 event pairs, 10 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 502. Up to 49 conditions per place. [2024-11-10 14:39:36,424 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 21 selfloop transitions, 4 changer transitions 0/294 dead transitions. [2024-11-10 14:39:36,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 294 transitions, 652 flow [2024-11-10 14:39:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1873 transitions. [2024-11-10 14:39:36,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8302304964539007 [2024-11-10 14:39:36,430 INFO L175 Difference]: Start difference. First operand has 297 places, 295 transitions, 604 flow. Second operand 6 states and 1873 transitions. [2024-11-10 14:39:36,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 294 transitions, 652 flow [2024-11-10 14:39:36,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 294 transitions, 651 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:36,436 INFO L231 Difference]: Finished difference. Result has 300 places, 294 transitions, 609 flow [2024-11-10 14:39:36,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=609, PETRI_PLACES=300, PETRI_TRANSITIONS=294} [2024-11-10 14:39:36,438 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:36,438 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 294 transitions, 609 flow [2024-11-10 14:39:36,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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) [2024-11-10 14:39:36,440 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,440 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] [2024-11-10 14:39:36,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:39:36,441 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,441 INFO L85 PathProgramCache]: Analyzing trace with hash 524253788, now seen corresponding path program 1 times [2024-11-10 14:39:36,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247743722] [2024-11-10 14:39:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247743722] [2024-11-10 14:39:36,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247743722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298598990] [2024-11-10 14:39:36,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 376 [2024-11-10 14:39:36,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 294 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:36,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 376 [2024-11-10 14:39:36,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,612 INFO L124 PetriNetUnfolderBase]: 46/497 cut-off events. [2024-11-10 14:39:36,612 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-10 14:39:36,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 497 events. 46/497 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1629 event pairs, 16 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 528. Up to 72 conditions per place. [2024-11-10 14:39:36,615 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 16 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-10 14:39:36,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 293 transitions, 643 flow [2024-11-10 14:39:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-10 14:39:36,618 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-10 14:39:36,618 INFO L175 Difference]: Start difference. First operand has 300 places, 294 transitions, 609 flow. Second operand 3 states and 960 transitions. [2024-11-10 14:39:36,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 293 transitions, 643 flow [2024-11-10 14:39:36,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 636 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:39:36,623 INFO L231 Difference]: Finished difference. Result has 297 places, 293 transitions, 604 flow [2024-11-10 14:39:36,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=297, PETRI_TRANSITIONS=293} [2024-11-10 14:39:36,624 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -52 predicate places. [2024-11-10 14:39:36,625 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 293 transitions, 604 flow [2024-11-10 14:39:36,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-11-10 14:39:36,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,626 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] [2024-11-10 14:39:36,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:39:36,626 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash 635335662, now seen corresponding path program 1 times [2024-11-10 14:39:36,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163833974] [2024-11-10 14:39:36,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163833974] [2024-11-10 14:39:36,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163833974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166427559] [2024-11-10 14:39:36,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,702 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:36,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 293 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 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) [2024-11-10 14:39:36,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:36,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,790 INFO L124 PetriNetUnfolderBase]: 62/584 cut-off events. [2024-11-10 14:39:36,790 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-10 14:39:36,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 584 events. 62/584 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2119 event pairs, 13 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 636. Up to 58 conditions per place. [2024-11-10 14:39:36,795 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 19 selfloop transitions, 3 changer transitions 0/297 dead transitions. [2024-11-10 14:39:36,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 297 transitions, 658 flow [2024-11-10 14:39:36,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2024-11-10 14:39:36,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8617021276595744 [2024-11-10 14:39:36,798 INFO L175 Difference]: Start difference. First operand has 297 places, 293 transitions, 604 flow. Second operand 3 states and 972 transitions. [2024-11-10 14:39:36,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 297 transitions, 658 flow [2024-11-10 14:39:36,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 297 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:36,803 INFO L231 Difference]: Finished difference. Result has 297 places, 293 transitions, 616 flow [2024-11-10 14:39:36,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=297, PETRI_TRANSITIONS=293} [2024-11-10 14:39:36,805 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -52 predicate places. [2024-11-10 14:39:36,805 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 293 transitions, 616 flow [2024-11-10 14:39:36,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 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) [2024-11-10 14:39:36,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,806 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] [2024-11-10 14:39:36,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:39:36,806 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1784426718, now seen corresponding path program 1 times [2024-11-10 14:39:36,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337359382] [2024-11-10 14:39:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:36,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:36,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337359382] [2024-11-10 14:39:36,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337359382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:36,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:36,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:36,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747063464] [2024-11-10 14:39:36,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:36,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:36,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:36,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:36,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:36,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 376 [2024-11-10 14:39:36,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 293 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2024-11-10 14:39:36,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:36,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 376 [2024-11-10 14:39:36,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:36,980 INFO L124 PetriNetUnfolderBase]: 55/695 cut-off events. [2024-11-10 14:39:36,981 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-10 14:39:36,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 695 events. 55/695 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2728 event pairs, 23 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 769. Up to 74 conditions per place. [2024-11-10 14:39:36,986 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 15 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-10 14:39:36,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 292 transitions, 648 flow [2024-11-10 14:39:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-10 14:39:36,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8528368794326241 [2024-11-10 14:39:36,989 INFO L175 Difference]: Start difference. First operand has 297 places, 293 transitions, 616 flow. Second operand 3 states and 962 transitions. [2024-11-10 14:39:36,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 292 transitions, 648 flow [2024-11-10 14:39:36,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 292 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:36,995 INFO L231 Difference]: Finished difference. Result has 296 places, 292 transitions, 612 flow [2024-11-10 14:39:36,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=296, PETRI_TRANSITIONS=292} [2024-11-10 14:39:36,997 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -53 predicate places. [2024-11-10 14:39:36,997 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 292 transitions, 612 flow [2024-11-10 14:39:36,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2024-11-10 14:39:36,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:36,998 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] [2024-11-10 14:39:36,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:39:36,998 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:36,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:36,998 INFO L85 PathProgramCache]: Analyzing trace with hash -116469897, now seen corresponding path program 1 times [2024-11-10 14:39:36,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:36,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849361195] [2024-11-10 14:39:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:36,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:37,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:37,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849361195] [2024-11-10 14:39:37,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849361195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:37,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:37,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:37,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224870383] [2024-11-10 14:39:37,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:37,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:37,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:37,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:37,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:37,069 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 376 [2024-11-10 14:39:37,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 292 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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) [2024-11-10 14:39:37,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:37,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 376 [2024-11-10 14:39:37,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:37,184 INFO L124 PetriNetUnfolderBase]: 78/862 cut-off events. [2024-11-10 14:39:37,185 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-10 14:39:37,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 862 events. 78/862 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4059 event pairs, 28 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 981. Up to 106 conditions per place. [2024-11-10 14:39:37,190 INFO L140 encePairwiseOnDemand]: 369/376 looper letters, 18 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2024-11-10 14:39:37,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 295 transitions, 667 flow [2024-11-10 14:39:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-10 14:39:37,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8581560283687943 [2024-11-10 14:39:37,193 INFO L175 Difference]: Start difference. First operand has 296 places, 292 transitions, 612 flow. Second operand 3 states and 968 transitions. [2024-11-10 14:39:37,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 295 transitions, 667 flow [2024-11-10 14:39:37,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 295 transitions, 663 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:37,200 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 626 flow [2024-11-10 14:39:37,200 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2024-11-10 14:39:37,201 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -55 predicate places. [2024-11-10 14:39:37,201 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 626 flow [2024-11-10 14:39:37,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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) [2024-11-10 14:39:37,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:37,202 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] [2024-11-10 14:39:37,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:39:37,202 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:37,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:37,202 INFO L85 PathProgramCache]: Analyzing trace with hash -410206543, now seen corresponding path program 1 times [2024-11-10 14:39:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:37,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110057542] [2024-11-10 14:39:37,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:37,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:37,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:37,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110057542] [2024-11-10 14:39:37,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110057542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:37,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:37,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:37,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604175967] [2024-11-10 14:39:37,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:37,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:37,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:37,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:37,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:37,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:37,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:37,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:37,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:37,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:37,370 INFO L124 PetriNetUnfolderBase]: 73/696 cut-off events. [2024-11-10 14:39:37,371 INFO L125 PetriNetUnfolderBase]: For 96/104 co-relation queries the response was YES. [2024-11-10 14:39:37,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 915 conditions, 696 events. 73/696 cut-off events. For 96/104 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3151 event pairs, 16 based on Foata normal form. 2/616 useless extension candidates. Maximal degree in co-relation 849. Up to 73 conditions per place. [2024-11-10 14:39:37,376 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 16 selfloop transitions, 2 changer transitions 2/293 dead transitions. [2024-11-10 14:39:37,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 293 transitions, 672 flow [2024-11-10 14:39:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2024-11-10 14:39:37,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8572695035460993 [2024-11-10 14:39:37,379 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 626 flow. Second operand 3 states and 967 transitions. [2024-11-10 14:39:37,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 293 transitions, 672 flow [2024-11-10 14:39:37,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 293 transitions, 667 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:37,384 INFO L231 Difference]: Finished difference. Result has 293 places, 288 transitions, 617 flow [2024-11-10 14:39:37,384 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=617, PETRI_PLACES=293, PETRI_TRANSITIONS=288} [2024-11-10 14:39:37,385 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -56 predicate places. [2024-11-10 14:39:37,385 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 288 transitions, 617 flow [2024-11-10 14:39:37,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-10 14:39:37,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:37,386 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] [2024-11-10 14:39:37,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:39:37,387 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:37,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:37,387 INFO L85 PathProgramCache]: Analyzing trace with hash 610899395, now seen corresponding path program 1 times [2024-11-10 14:39:37,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:37,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655444020] [2024-11-10 14:39:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:37,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:37,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655444020] [2024-11-10 14:39:37,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655444020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:37,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:37,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:39:37,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630863815] [2024-11-10 14:39:37,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:37,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:39:37,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:37,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:39:37,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:39:37,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 376 [2024-11-10 14:39:37,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 288 transitions, 617 flow. Second operand has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 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) [2024-11-10 14:39:37,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:37,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 376 [2024-11-10 14:39:37,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:38,180 INFO L124 PetriNetUnfolderBase]: 98/1215 cut-off events. [2024-11-10 14:39:38,181 INFO L125 PetriNetUnfolderBase]: For 77/84 co-relation queries the response was YES. [2024-11-10 14:39:38,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 1215 events. 98/1215 cut-off events. For 77/84 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6204 event pairs, 19 based on Foata normal form. 1/1072 useless extension candidates. Maximal degree in co-relation 1485. Up to 65 conditions per place. [2024-11-10 14:39:38,190 INFO L140 encePairwiseOnDemand]: 362/376 looper letters, 43 selfloop transitions, 15 changer transitions 0/312 dead transitions. [2024-11-10 14:39:38,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 312 transitions, 807 flow [2024-11-10 14:39:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:39:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 14:39:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3062 transitions. [2024-11-10 14:39:38,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8143617021276596 [2024-11-10 14:39:38,198 INFO L175 Difference]: Start difference. First operand has 293 places, 288 transitions, 617 flow. Second operand 10 states and 3062 transitions. [2024-11-10 14:39:38,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 312 transitions, 807 flow [2024-11-10 14:39:38,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 312 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:38,205 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 687 flow [2024-11-10 14:39:38,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=687, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2024-11-10 14:39:38,206 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -47 predicate places. [2024-11-10 14:39:38,206 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 687 flow [2024-11-10 14:39:38,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 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) [2024-11-10 14:39:38,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:38,208 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] [2024-11-10 14:39:38,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:39:38,208 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:38,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:38,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2101575146, now seen corresponding path program 1 times [2024-11-10 14:39:38,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:38,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539943190] [2024-11-10 14:39:38,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:38,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:38,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:38,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539943190] [2024-11-10 14:39:38,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539943190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:38,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:38,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:38,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112860202] [2024-11-10 14:39:38,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:38,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:38,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:38,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:38,288 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 376 [2024-11-10 14:39:38,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 687 flow. Second operand has 3 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 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) [2024-11-10 14:39:38,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:38,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 376 [2024-11-10 14:39:38,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:38,460 INFO L124 PetriNetUnfolderBase]: 110/1145 cut-off events. [2024-11-10 14:39:38,460 INFO L125 PetriNetUnfolderBase]: For 144/163 co-relation queries the response was YES. [2024-11-10 14:39:38,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 1145 events. 110/1145 cut-off events. For 144/163 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6116 event pairs, 18 based on Foata normal form. 0/1038 useless extension candidates. Maximal degree in co-relation 1479. Up to 130 conditions per place. [2024-11-10 14:39:38,469 INFO L140 encePairwiseOnDemand]: 371/376 looper letters, 18 selfloop transitions, 3 changer transitions 0/298 dead transitions. [2024-11-10 14:39:38,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 298 transitions, 745 flow [2024-11-10 14:39:38,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-10 14:39:38,472 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8625886524822695 [2024-11-10 14:39:38,472 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 687 flow. Second operand 3 states and 973 transitions. [2024-11-10 14:39:38,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 298 transitions, 745 flow [2024-11-10 14:39:38,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 298 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:38,477 INFO L231 Difference]: Finished difference. Result has 301 places, 294 transitions, 690 flow [2024-11-10 14:39:38,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=301, PETRI_TRANSITIONS=294} [2024-11-10 14:39:38,478 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -48 predicate places. [2024-11-10 14:39:38,478 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 294 transitions, 690 flow [2024-11-10 14:39:38,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 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) [2024-11-10 14:39:38,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:38,479 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] [2024-11-10 14:39:38,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 14:39:38,479 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:38,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:38,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2100619879, now seen corresponding path program 1 times [2024-11-10 14:39:38,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:38,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191705103] [2024-11-10 14:39:38,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:38,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:38,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:38,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191705103] [2024-11-10 14:39:38,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191705103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:38,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:38,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:38,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582434733] [2024-11-10 14:39:38,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:38,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:38,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:38,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:38,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:38,564 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:38,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 294 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:38,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:38,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:38,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:38,776 INFO L124 PetriNetUnfolderBase]: 178/1345 cut-off events. [2024-11-10 14:39:38,776 INFO L125 PetriNetUnfolderBase]: For 303/335 co-relation queries the response was YES. [2024-11-10 14:39:38,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1345 events. 178/1345 cut-off events. For 303/335 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8056 event pairs, 56 based on Foata normal form. 0/1229 useless extension candidates. Maximal degree in co-relation 1954. Up to 229 conditions per place. [2024-11-10 14:39:38,785 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 20 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-11-10 14:39:38,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 297 transitions, 749 flow [2024-11-10 14:39:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-10 14:39:38,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2024-11-10 14:39:38,788 INFO L175 Difference]: Start difference. First operand has 301 places, 294 transitions, 690 flow. Second operand 3 states and 966 transitions. [2024-11-10 14:39:38,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 297 transitions, 749 flow [2024-11-10 14:39:38,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 297 transitions, 742 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:38,795 INFO L231 Difference]: Finished difference. Result has 300 places, 293 transitions, 685 flow [2024-11-10 14:39:38,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=685, PETRI_PLACES=300, PETRI_TRANSITIONS=293} [2024-11-10 14:39:38,796 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -49 predicate places. [2024-11-10 14:39:38,796 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 293 transitions, 685 flow [2024-11-10 14:39:38,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:38,796 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:38,797 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] [2024-11-10 14:39:38,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 14:39:38,797 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:38,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash -427714211, now seen corresponding path program 1 times [2024-11-10 14:39:38,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:38,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435655541] [2024-11-10 14:39:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:38,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:38,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:38,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435655541] [2024-11-10 14:39:38,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435655541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:38,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:38,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:38,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535311075] [2024-11-10 14:39:38,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:38,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:38,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:38,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:38,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:38,871 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 376 [2024-11-10 14:39:38,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 293 transitions, 685 flow. Second operand has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:38,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:38,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 376 [2024-11-10 14:39:38,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:39,038 INFO L124 PetriNetUnfolderBase]: 112/1101 cut-off events. [2024-11-10 14:39:39,039 INFO L125 PetriNetUnfolderBase]: For 156/175 co-relation queries the response was YES. [2024-11-10 14:39:39,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1608 conditions, 1101 events. 112/1101 cut-off events. For 156/175 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5743 event pairs, 45 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 1534. Up to 168 conditions per place. [2024-11-10 14:39:39,047 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 21 selfloop transitions, 3 changer transitions 5/296 dead transitions. [2024-11-10 14:39:39,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 296 transitions, 750 flow [2024-11-10 14:39:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2024-11-10 14:39:39,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8572695035460993 [2024-11-10 14:39:39,051 INFO L175 Difference]: Start difference. First operand has 300 places, 293 transitions, 685 flow. Second operand 3 states and 967 transitions. [2024-11-10 14:39:39,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 296 transitions, 750 flow [2024-11-10 14:39:39,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 296 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:39,057 INFO L231 Difference]: Finished difference. Result has 299 places, 288 transitions, 666 flow [2024-11-10 14:39:39,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=299, PETRI_TRANSITIONS=288} [2024-11-10 14:39:39,058 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -50 predicate places. [2024-11-10 14:39:39,058 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 288 transitions, 666 flow [2024-11-10 14:39:39,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2024-11-10 14:39:39,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:39,059 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:39,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 14:39:39,059 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:39,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash 879068004, now seen corresponding path program 1 times [2024-11-10 14:39:39,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:39,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411317582] [2024-11-10 14:39:39,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:39,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:39,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:39,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411317582] [2024-11-10 14:39:39,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411317582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:39,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:39,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:39,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292743708] [2024-11-10 14:39:39,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:39,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:39,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:39,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:39,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:39,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 376 [2024-11-10 14:39:39,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 288 transitions, 666 flow. Second operand has 6 states, 6 states have (on average 303.1666666666667) internal successors, (1819), 6 states have internal predecessors, (1819), 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) [2024-11-10 14:39:39,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:39,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 376 [2024-11-10 14:39:39,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:40,081 INFO L124 PetriNetUnfolderBase]: 168/1143 cut-off events. [2024-11-10 14:39:40,082 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-10 14:39:40,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1704 conditions, 1143 events. 168/1143 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6438 event pairs, 14 based on Foata normal form. 0/1075 useless extension candidates. Maximal degree in co-relation 1628. Up to 176 conditions per place. [2024-11-10 14:39:40,090 INFO L140 encePairwiseOnDemand]: 369/376 looper letters, 47 selfloop transitions, 6 changer transitions 0/306 dead transitions. [2024-11-10 14:39:40,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 306 transitions, 840 flow [2024-11-10 14:39:40,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:40,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1853 transitions. [2024-11-10 14:39:40,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8213652482269503 [2024-11-10 14:39:40,095 INFO L175 Difference]: Start difference. First operand has 299 places, 288 transitions, 666 flow. Second operand 6 states and 1853 transitions. [2024-11-10 14:39:40,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 306 transitions, 840 flow [2024-11-10 14:39:40,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 306 transitions, 819 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-10 14:39:40,100 INFO L231 Difference]: Finished difference. Result has 293 places, 286 transitions, 653 flow [2024-11-10 14:39:40,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=653, PETRI_PLACES=293, PETRI_TRANSITIONS=286} [2024-11-10 14:39:40,101 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -56 predicate places. [2024-11-10 14:39:40,101 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 286 transitions, 653 flow [2024-11-10 14:39:40,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.1666666666667) internal successors, (1819), 6 states have internal predecessors, (1819), 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) [2024-11-10 14:39:40,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:40,103 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:40,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 14:39:40,103 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:40,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:40,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1324170491, now seen corresponding path program 1 times [2024-11-10 14:39:40,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:40,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979963658] [2024-11-10 14:39:40,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:40,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:40,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:40,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979963658] [2024-11-10 14:39:40,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979963658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:40,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:40,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289521417] [2024-11-10 14:39:40,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:40,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:40,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:40,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:40,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:40,164 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 376 [2024-11-10 14:39:40,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 286 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-10 14:39:40,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:40,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 376 [2024-11-10 14:39:40,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:40,345 INFO L124 PetriNetUnfolderBase]: 113/1198 cut-off events. [2024-11-10 14:39:40,345 INFO L125 PetriNetUnfolderBase]: For 208/210 co-relation queries the response was YES. [2024-11-10 14:39:40,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1647 conditions, 1198 events. 113/1198 cut-off events. For 208/210 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6372 event pairs, 21 based on Foata normal form. 0/1144 useless extension candidates. Maximal degree in co-relation 1576. Up to 103 conditions per place. [2024-11-10 14:39:40,353 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 25 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-10 14:39:40,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 296 transitions, 752 flow [2024-11-10 14:39:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-11-10 14:39:40,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8661347517730497 [2024-11-10 14:39:40,356 INFO L175 Difference]: Start difference. First operand has 293 places, 286 transitions, 653 flow. Second operand 3 states and 977 transitions. [2024-11-10 14:39:40,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 296 transitions, 752 flow [2024-11-10 14:39:40,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 296 transitions, 736 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:40,361 INFO L231 Difference]: Finished difference. Result has 290 places, 286 transitions, 649 flow [2024-11-10 14:39:40,361 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=649, PETRI_PLACES=290, PETRI_TRANSITIONS=286} [2024-11-10 14:39:40,362 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -59 predicate places. [2024-11-10 14:39:40,362 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 286 transitions, 649 flow [2024-11-10 14:39:40,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-10 14:39:40,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:40,363 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:40,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 14:39:40,363 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE, thread1Err19ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-10 14:39:40,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:40,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1140479927, now seen corresponding path program 1 times [2024-11-10 14:39:40,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:40,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88126979] [2024-11-10 14:39:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:40,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:40,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:40,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88126979] [2024-11-10 14:39:40,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88126979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:40,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:40,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:40,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635496108] [2024-11-10 14:39:40,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:40,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:40,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:40,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:40,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:40,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 376 [2024-11-10 14:39:40,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 286 transitions, 649 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-11-10 14:39:40,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:40,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 376 [2024-11-10 14:39:40,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:40,647 INFO L124 PetriNetUnfolderBase]: 153/1388 cut-off events. [2024-11-10 14:39:40,648 INFO L125 PetriNetUnfolderBase]: For 188/199 co-relation queries the response was YES. [2024-11-10 14:39:40,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1928 conditions, 1388 events. 153/1388 cut-off events. For 188/199 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8090 event pairs, 60 based on Foata normal form. 1/1317 useless extension candidates. Maximal degree in co-relation 1857. Up to 175 conditions per place. [2024-11-10 14:39:40,654 INFO L140 encePairwiseOnDemand]: 373/376 looper letters, 0 selfloop transitions, 0 changer transitions 290/290 dead transitions. [2024-11-10 14:39:40,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 290 transitions, 713 flow [2024-11-10 14:39:40,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-10 14:39:40,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8599290780141844 [2024-11-10 14:39:40,657 INFO L175 Difference]: Start difference. First operand has 290 places, 286 transitions, 649 flow. Second operand 3 states and 970 transitions. [2024-11-10 14:39:40,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 290 transitions, 713 flow [2024-11-10 14:39:40,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 290 transitions, 711 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:40,660 INFO L231 Difference]: Finished difference. Result has 290 places, 0 transitions, 0 flow [2024-11-10 14:39:40,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=290, PETRI_TRANSITIONS=0} [2024-11-10 14:39:40,661 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -59 predicate places. [2024-11-10 14:39:40,661 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 0 transitions, 0 flow [2024-11-10 14:39:40,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-11-10 14:39:40,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (116 of 117 remaining) [2024-11-10 14:39:40,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (115 of 117 remaining) [2024-11-10 14:39:40,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (114 of 117 remaining) [2024-11-10 14:39:40,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (113 of 117 remaining) [2024-11-10 14:39:40,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (112 of 117 remaining) [2024-11-10 14:39:40,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (111 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (110 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (109 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (107 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (104 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (103 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (102 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (101 of 117 remaining) [2024-11-10 14:39:40,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (100 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (99 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (98 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (97 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (96 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (95 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (94 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (93 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (91 of 117 remaining) [2024-11-10 14:39:40,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (90 of 117 remaining) [2024-11-10 14:39:40,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (89 of 117 remaining) [2024-11-10 14:39:40,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (88 of 117 remaining) [2024-11-10 14:39:40,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (87 of 117 remaining) [2024-11-10 14:39:40,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (86 of 117 remaining) [2024-11-10 14:39:40,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (85 of 117 remaining) [2024-11-10 14:39:40,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (84 of 117 remaining) [2024-11-10 14:39:40,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (83 of 117 remaining) [2024-11-10 14:39:40,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 117 remaining) [2024-11-10 14:39:40,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (81 of 117 remaining) [2024-11-10 14:39:40,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (80 of 117 remaining) [2024-11-10 14:39:40,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (79 of 117 remaining) [2024-11-10 14:39:40,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (78 of 117 remaining) [2024-11-10 14:39:40,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (77 of 117 remaining) [2024-11-10 14:39:40,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (76 of 117 remaining) [2024-11-10 14:39:40,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (75 of 117 remaining) [2024-11-10 14:39:40,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (74 of 117 remaining) [2024-11-10 14:39:40,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (73 of 117 remaining) [2024-11-10 14:39:40,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (72 of 117 remaining) [2024-11-10 14:39:40,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 117 remaining) [2024-11-10 14:39:40,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 117 remaining) [2024-11-10 14:39:40,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 117 remaining) [2024-11-10 14:39:40,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (68 of 117 remaining) [2024-11-10 14:39:40,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (67 of 117 remaining) [2024-11-10 14:39:40,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (66 of 117 remaining) [2024-11-10 14:39:40,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (65 of 117 remaining) [2024-11-10 14:39:40,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (64 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (61 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (60 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (59 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (58 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (57 of 117 remaining) [2024-11-10 14:39:40,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (56 of 117 remaining) [2024-11-10 14:39:40,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (55 of 117 remaining) [2024-11-10 14:39:40,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 117 remaining) [2024-11-10 14:39:40,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 117 remaining) [2024-11-10 14:39:40,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 117 remaining) [2024-11-10 14:39:40,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 117 remaining) [2024-11-10 14:39:40,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 117 remaining) [2024-11-10 14:39:40,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (47 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (45 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (44 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (43 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (42 of 117 remaining) [2024-11-10 14:39:40,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 117 remaining) [2024-11-10 14:39:40,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (40 of 117 remaining) [2024-11-10 14:39:40,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (39 of 117 remaining) [2024-11-10 14:39:40,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (38 of 117 remaining) [2024-11-10 14:39:40,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (37 of 117 remaining) [2024-11-10 14:39:40,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 117 remaining) [2024-11-10 14:39:40,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (35 of 117 remaining) [2024-11-10 14:39:40,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (34 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (32 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (31 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (28 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 117 remaining) [2024-11-10 14:39:40,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 117 remaining) [2024-11-10 14:39:40,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 117 remaining) [2024-11-10 14:39:40,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (24 of 117 remaining) [2024-11-10 14:39:40,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (23 of 117 remaining) [2024-11-10 14:39:40,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (22 of 117 remaining) [2024-11-10 14:39:40,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (21 of 117 remaining) [2024-11-10 14:39:40,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (20 of 117 remaining) [2024-11-10 14:39:40,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (18 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (15 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 117 remaining) [2024-11-10 14:39:40,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 117 remaining) [2024-11-10 14:39:40,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 117 remaining) [2024-11-10 14:39:40,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 14:39:40,679 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-10 14:39:40,685 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:39:40,685 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:39:40,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:39:40 BasicIcfg [2024-11-10 14:39:40,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:39:40,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:39:40,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:39:40,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:39:40,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:31" (3/4) ... [2024-11-10 14:39:40,693 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:39:40,695 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:39:40,695 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:39:40,704 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-10 14:39:40,705 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:39:40,705 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:39:40,705 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:39:40,804 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:39:40,804 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:39:40,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:39:40,805 INFO L158 Benchmark]: Toolchain (without parser) took 10672.21ms. Allocated memory was 123.7MB in the beginning and 411.0MB in the end (delta: 287.3MB). Free memory was 66.8MB in the beginning and 190.7MB in the end (delta: -123.9MB). Peak memory consumption was 166.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:40,805 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:39:40,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.77ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 66.8MB in the beginning and 129.9MB in the end (delta: -63.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-10 14:39:40,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.23ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 126.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:39:40,806 INFO L158 Benchmark]: Boogie Preprocessor took 75.29ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:40,806 INFO L158 Benchmark]: IcfgBuilder took 1197.57ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 47.7MB in the end (delta: 76.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-10 14:39:40,807 INFO L158 Benchmark]: TraceAbstraction took 8886.71ms. Allocated memory was 163.6MB in the beginning and 411.0MB in the end (delta: 247.5MB). Free memory was 46.8MB in the beginning and 198.1MB in the end (delta: -151.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-11-10 14:39:40,807 INFO L158 Benchmark]: Witness Printer took 114.09ms. Allocated memory is still 411.0MB. Free memory was 198.1MB in the beginning and 190.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 14:39:40,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.77ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 66.8MB in the beginning and 129.9MB in the end (delta: -63.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.23ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 126.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.29ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 1197.57ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 47.7MB in the end (delta: 76.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8886.71ms. Allocated memory was 163.6MB in the beginning and 411.0MB in the end (delta: 247.5MB). Free memory was 46.8MB in the beginning and 198.1MB in the end (delta: -151.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Witness Printer took 114.09ms. Allocated memory is still 411.0MB. Free memory was 198.1MB in the beginning and 190.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 51]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 55]: 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: 55]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 78]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 97]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 484 locations, 117 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: 8.7s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1114 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1660 IncrementalHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 113 mSDtfsCounter, 1660 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=726occurred in iteration=0, InterpolantAutomatonStates: 91, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3098 NumberOfCodeBlocks, 3098 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3073 ConstructedInterpolants, 0 QuantifiedInterpolants, 4030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 6/6 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 67 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:39:40,843 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