./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:28:02,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:28:02,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:28:02,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:28:02,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:28:02,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:28:02,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:28:02,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:28:02,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:28:02,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:28:02,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:28:02,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:28:02,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:28:02,811 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:28:02,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:28:02,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:28:02,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:28:02,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:28:02,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:28:02,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 779f57e464f50d458e1b66270e0c9f2866c6247d4d7f63a3096c6ac13e286657 [2025-02-06 09:28:03,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:28:03,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:28:03,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:28:03,022 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:28:03,023 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:28:03,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2025-02-06 09:28:04,120 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d17d172e/4aa2719a21194a0383c0d5aed3a33b07/FLAGb558095c1 [2025-02-06 09:28:04,387 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:28:04,391 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2025-02-06 09:28:04,401 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d17d172e/4aa2719a21194a0383c0d5aed3a33b07/FLAGb558095c1 [2025-02-06 09:28:04,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d17d172e/4aa2719a21194a0383c0d5aed3a33b07 [2025-02-06 09:28:04,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:28:04,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:28:04,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:28:04,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:28:04,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:28:04,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:28:04" (1/1) ... [2025-02-06 09:28:04,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756e6a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:04, skipping insertion in model container [2025-02-06 09:28:04,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:28:04" (1/1) ... [2025-02-06 09:28:04,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:28:04,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:28:04,965 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:28:04,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:28:05,005 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:28:05,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05 WrapperNode [2025-02-06 09:28:05,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:28:05,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:28:05,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:28:05,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:28:05,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,045 INFO L138 Inliner]: procedures = 25, calls = 36, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 476 [2025-02-06 09:28:05,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:28:05,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:28:05,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:28:05,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:28:05,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,066 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:28:05,073 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:28:05,073 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:28:05,073 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:28:05,074 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (1/1) ... [2025-02-06 09:28:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:28:05,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:28:05,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:28:05,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:28:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:28:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:28:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:28:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:28:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:28:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 09:28:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 09:28:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:28:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:28:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:28:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:28:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:28:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:28:05,135 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:28:05,213 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:28:05,215 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:28:06,000 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:28:06,000 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:28:06,016 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:28:06,017 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:28:06,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:06 BoogieIcfgContainer [2025-02-06 09:28:06,017 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:28:06,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:28:06,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:28:06,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:28:06,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:28:04" (1/3) ... [2025-02-06 09:28:06,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b4ea39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:28:06, skipping insertion in model container [2025-02-06 09:28:06,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:05" (2/3) ... [2025-02-06 09:28:06,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b4ea39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:28:06, skipping insertion in model container [2025-02-06 09:28:06,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:06" (3/3) ... [2025-02-06 09:28:06,024 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2025-02-06 09:28:06,034 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:28:06,036 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-array-int-subst.wvr.c that has 4 procedures, 599 locations, 1 initial locations, 6 loop locations, and 59 error locations. [2025-02-06 09:28:06,036 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:28:06,184 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 09:28:06,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 608 places, 628 transitions, 1277 flow [2025-02-06 09:28:06,445 INFO L124 PetriNetUnfolderBase]: 30/625 cut-off events. [2025-02-06 09:28:06,447 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:28:06,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 625 events. 30/625 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1565 event pairs, 0 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 464. Up to 3 conditions per place. [2025-02-06 09:28:06,462 INFO L82 GeneralOperation]: Start removeDead. Operand has 608 places, 628 transitions, 1277 flow [2025-02-06 09:28:06,471 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 587 places, 605 transitions, 1228 flow [2025-02-06 09:28:06,481 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:28:06,501 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;@489d0778, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:28:06,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2025-02-06 09:28:06,507 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:28:06,510 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-02-06 09:28:06,511 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:28:06,511 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:06,511 INFO L206 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] [2025-02-06 09:28:06,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:06,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:06,520 INFO L85 PathProgramCache]: Analyzing trace with hash 216662595, now seen corresponding path program 1 times [2025-02-06 09:28:06,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:06,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946653374] [2025-02-06 09:28:06,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:06,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:06,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 09:28:06,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 09:28:06,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:06,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:06,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:06,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946653374] [2025-02-06 09:28:06,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946653374] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:06,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:06,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:06,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025611728] [2025-02-06 09:28:06,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:06,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:06,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:06,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:06,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:06,736 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 592 out of 628 [2025-02-06 09:28:06,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 605 transitions, 1228 flow. Second operand has 3 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 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) [2025-02-06 09:28:06,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:06,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 592 of 628 [2025-02-06 09:28:06,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:07,089 INFO L124 PetriNetUnfolderBase]: 56/1488 cut-off events. [2025-02-06 09:28:07,090 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-02-06 09:28:07,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 1488 events. 56/1488 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8344 event pairs, 20 based on Foata normal form. 39/1287 useless extension candidates. Maximal degree in co-relation 1200. Up to 51 conditions per place. [2025-02-06 09:28:07,114 INFO L140 encePairwiseOnDemand]: 609/628 looper letters, 14 selfloop transitions, 2 changer transitions 7/588 dead transitions. [2025-02-06 09:28:07,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 588 transitions, 1226 flow [2025-02-06 09:28:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1809 transitions. [2025-02-06 09:28:07,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9601910828025477 [2025-02-06 09:28:07,134 INFO L175 Difference]: Start difference. First operand has 587 places, 605 transitions, 1228 flow. Second operand 3 states and 1809 transitions. [2025-02-06 09:28:07,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 588 transitions, 1226 flow [2025-02-06 09:28:07,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 588 transitions, 1214 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-06 09:28:07,153 INFO L231 Difference]: Finished difference. Result has 582 places, 581 transitions, 1172 flow [2025-02-06 09:28:07,155 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1182, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1172, PETRI_PLACES=582, PETRI_TRANSITIONS=581} [2025-02-06 09:28:07,158 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -5 predicate places. [2025-02-06 09:28:07,158 INFO L471 AbstractCegarLoop]: Abstraction has has 582 places, 581 transitions, 1172 flow [2025-02-06 09:28:07,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 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) [2025-02-06 09:28:07,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:07,159 INFO L206 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] [2025-02-06 09:28:07,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:28:07,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:07,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:07,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1497021672, now seen corresponding path program 1 times [2025-02-06 09:28:07,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:07,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284889464] [2025-02-06 09:28:07,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:07,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:07,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 09:28:07,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 09:28:07,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:07,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:07,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:07,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284889464] [2025-02-06 09:28:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284889464] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:07,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:07,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:07,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214631596] [2025-02-06 09:28:07,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:07,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:07,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:07,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:07,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:07,265 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 592 out of 628 [2025-02-06 09:28:07,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 581 transitions, 1172 flow. Second operand has 3 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 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) [2025-02-06 09:28:07,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:07,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 592 of 628 [2025-02-06 09:28:07,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:07,467 INFO L124 PetriNetUnfolderBase]: 36/1024 cut-off events. [2025-02-06 09:28:07,467 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:28:07,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 1024 events. 36/1024 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4602 event pairs, 12 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1042. Up to 39 conditions per place. [2025-02-06 09:28:07,490 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 14 selfloop transitions, 2 changer transitions 0/580 dead transitions. [2025-02-06 09:28:07,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 580 transitions, 1202 flow [2025-02-06 09:28:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1793 transitions. [2025-02-06 09:28:07,495 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9516985138004246 [2025-02-06 09:28:07,495 INFO L175 Difference]: Start difference. First operand has 582 places, 581 transitions, 1172 flow. Second operand 3 states and 1793 transitions. [2025-02-06 09:28:07,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 580 transitions, 1202 flow [2025-02-06 09:28:07,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 580 transitions, 1198 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:07,503 INFO L231 Difference]: Finished difference. Result has 574 places, 580 transitions, 1170 flow [2025-02-06 09:28:07,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1166, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1170, PETRI_PLACES=574, PETRI_TRANSITIONS=580} [2025-02-06 09:28:07,505 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -13 predicate places. [2025-02-06 09:28:07,505 INFO L471 AbstractCegarLoop]: Abstraction has has 574 places, 580 transitions, 1170 flow [2025-02-06 09:28:07,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 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) [2025-02-06 09:28:07,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:07,506 INFO L206 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] [2025-02-06 09:28:07,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:28:07,506 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:07,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1231009932, now seen corresponding path program 1 times [2025-02-06 09:28:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354334853] [2025-02-06 09:28:07,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:07,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 09:28:07,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 09:28:07,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:07,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:07,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:07,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354334853] [2025-02-06 09:28:07,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354334853] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:07,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:07,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:07,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849105893] [2025-02-06 09:28:07,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:07,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:07,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:07,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:07,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:07,595 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 592 out of 628 [2025-02-06 09:28:07,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 580 transitions, 1170 flow. Second operand has 3 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 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) [2025-02-06 09:28:07,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:07,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 592 of 628 [2025-02-06 09:28:07,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:07,795 INFO L124 PetriNetUnfolderBase]: 56/1455 cut-off events. [2025-02-06 09:28:07,795 INFO L125 PetriNetUnfolderBase]: For 13/16 co-relation queries the response was YES. [2025-02-06 09:28:07,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1517 conditions, 1455 events. 56/1455 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7812 event pairs, 20 based on Foata normal form. 0/1233 useless extension candidates. Maximal degree in co-relation 1475. Up to 51 conditions per place. [2025-02-06 09:28:07,811 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 14 selfloop transitions, 2 changer transitions 0/579 dead transitions. [2025-02-06 09:28:07,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 579 transitions, 1200 flow [2025-02-06 09:28:07,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1793 transitions. [2025-02-06 09:28:07,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9516985138004246 [2025-02-06 09:28:07,814 INFO L175 Difference]: Start difference. First operand has 574 places, 580 transitions, 1170 flow. Second operand 3 states and 1793 transitions. [2025-02-06 09:28:07,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 579 transitions, 1200 flow [2025-02-06 09:28:07,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 579 transitions, 1196 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:07,820 INFO L231 Difference]: Finished difference. Result has 573 places, 579 transitions, 1168 flow [2025-02-06 09:28:07,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1164, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1168, PETRI_PLACES=573, PETRI_TRANSITIONS=579} [2025-02-06 09:28:07,821 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -14 predicate places. [2025-02-06 09:28:07,821 INFO L471 AbstractCegarLoop]: Abstraction has has 573 places, 579 transitions, 1168 flow [2025-02-06 09:28:07,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 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) [2025-02-06 09:28:07,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:07,822 INFO L206 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] [2025-02-06 09:28:07,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:28:07,823 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:07,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:07,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1457272868, now seen corresponding path program 1 times [2025-02-06 09:28:07,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:07,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315289699] [2025-02-06 09:28:07,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:07,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 09:28:07,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 09:28:07,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:07,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:07,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:07,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315289699] [2025-02-06 09:28:07,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315289699] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:07,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:07,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:07,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422345188] [2025-02-06 09:28:07,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:07,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:07,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:07,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:07,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:07,906 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 628 [2025-02-06 09:28:07,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 579 transitions, 1168 flow. Second operand has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2025-02-06 09:28:07,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:07,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 628 [2025-02-06 09:28:07,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:08,240 INFO L124 PetriNetUnfolderBase]: 132/2496 cut-off events. [2025-02-06 09:28:08,240 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:28:08,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2671 conditions, 2496 events. 132/2496 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 18555 event pairs, 64 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 2621. Up to 138 conditions per place. [2025-02-06 09:28:08,270 INFO L140 encePairwiseOnDemand]: 622/628 looper letters, 16 selfloop transitions, 1 changer transitions 0/574 dead transitions. [2025-02-06 09:28:08,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 574 transitions, 1192 flow [2025-02-06 09:28:08,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1786 transitions. [2025-02-06 09:28:08,273 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9479830148619958 [2025-02-06 09:28:08,273 INFO L175 Difference]: Start difference. First operand has 573 places, 579 transitions, 1168 flow. Second operand 3 states and 1786 transitions. [2025-02-06 09:28:08,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 574 transitions, 1192 flow [2025-02-06 09:28:08,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 574 transitions, 1188 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:08,279 INFO L231 Difference]: Finished difference. Result has 568 places, 574 transitions, 1156 flow [2025-02-06 09:28:08,280 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1154, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1156, PETRI_PLACES=568, PETRI_TRANSITIONS=574} [2025-02-06 09:28:08,280 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -19 predicate places. [2025-02-06 09:28:08,280 INFO L471 AbstractCegarLoop]: Abstraction has has 568 places, 574 transitions, 1156 flow [2025-02-06 09:28:08,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2025-02-06 09:28:08,281 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:08,281 INFO L206 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] [2025-02-06 09:28:08,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:28:08,281 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:08,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:08,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1011671847, now seen corresponding path program 1 times [2025-02-06 09:28:08,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:08,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318679023] [2025-02-06 09:28:08,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:08,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:08,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-06 09:28:08,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-06 09:28:08,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:08,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:08,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:08,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318679023] [2025-02-06 09:28:08,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318679023] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:08,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:08,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:28:08,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121260024] [2025-02-06 09:28:08,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:08,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:28:08,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:08,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:28:08,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:28:09,166 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 628 [2025-02-06 09:28:09,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 574 transitions, 1156 flow. Second operand has 6 states, 6 states have (on average 515.5) internal successors, (3093), 6 states have internal predecessors, (3093), 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) [2025-02-06 09:28:09,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:09,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 628 [2025-02-06 09:28:09,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:15,491 INFO L124 PetriNetUnfolderBase]: 12107/56152 cut-off events. [2025-02-06 09:28:15,492 INFO L125 PetriNetUnfolderBase]: For 899/901 co-relation queries the response was YES. [2025-02-06 09:28:15,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73633 conditions, 56152 events. 12107/56152 cut-off events. For 899/901 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 784538 event pairs, 10080 based on Foata normal form. 0/48904 useless extension candidates. Maximal degree in co-relation 73584. Up to 17156 conditions per place. [2025-02-06 09:28:15,808 INFO L140 encePairwiseOnDemand]: 610/628 looper letters, 78 selfloop transitions, 15 changer transitions 0/571 dead transitions. [2025-02-06 09:28:15,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 571 transitions, 1336 flow [2025-02-06 09:28:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:28:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:28:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3180 transitions. [2025-02-06 09:28:15,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8439490445859873 [2025-02-06 09:28:15,814 INFO L175 Difference]: Start difference. First operand has 568 places, 574 transitions, 1156 flow. Second operand 6 states and 3180 transitions. [2025-02-06 09:28:15,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 571 transitions, 1336 flow [2025-02-06 09:28:15,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 571 transitions, 1335 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:15,820 INFO L231 Difference]: Finished difference. Result has 569 places, 571 transitions, 1179 flow [2025-02-06 09:28:15,820 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1149, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1179, PETRI_PLACES=569, PETRI_TRANSITIONS=571} [2025-02-06 09:28:15,821 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -18 predicate places. [2025-02-06 09:28:15,821 INFO L471 AbstractCegarLoop]: Abstraction has has 569 places, 571 transitions, 1179 flow [2025-02-06 09:28:15,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.5) internal successors, (3093), 6 states have internal predecessors, (3093), 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) [2025-02-06 09:28:15,823 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:15,823 INFO L206 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] [2025-02-06 09:28:15,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:28:15,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:15,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:15,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1402852889, now seen corresponding path program 1 times [2025-02-06 09:28:15,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:15,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279198698] [2025-02-06 09:28:15,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:15,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:15,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-06 09:28:15,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-06 09:28:15,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:15,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:15,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:15,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279198698] [2025-02-06 09:28:15,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279198698] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:15,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:15,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:15,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405392277] [2025-02-06 09:28:15,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:15,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:15,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:15,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:15,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:15,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 593 out of 628 [2025-02-06 09:28:15,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 571 transitions, 1179 flow. Second operand has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-02-06 09:28:15,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:15,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 593 of 628 [2025-02-06 09:28:15,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:16,147 INFO L124 PetriNetUnfolderBase]: 62/1744 cut-off events. [2025-02-06 09:28:16,147 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2025-02-06 09:28:16,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1744 events. 62/1744 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9908 event pairs, 20 based on Foata normal form. 0/1484 useless extension candidates. Maximal degree in co-relation 1779. Up to 50 conditions per place. [2025-02-06 09:28:16,164 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 13 selfloop transitions, 2 changer transitions 0/570 dead transitions. [2025-02-06 09:28:16,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 570 transitions, 1207 flow [2025-02-06 09:28:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:16,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1795 transitions. [2025-02-06 09:28:16,166 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.95276008492569 [2025-02-06 09:28:16,166 INFO L175 Difference]: Start difference. First operand has 569 places, 571 transitions, 1179 flow. Second operand 3 states and 1795 transitions. [2025-02-06 09:28:16,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 570 transitions, 1207 flow [2025-02-06 09:28:16,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 570 transitions, 1177 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:28:16,173 INFO L231 Difference]: Finished difference. Result has 565 places, 570 transitions, 1151 flow [2025-02-06 09:28:16,173 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1147, PETRI_DIFFERENCE_MINUEND_PLACES=563, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1151, PETRI_PLACES=565, PETRI_TRANSITIONS=570} [2025-02-06 09:28:16,175 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -22 predicate places. [2025-02-06 09:28:16,175 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 570 transitions, 1151 flow [2025-02-06 09:28:16,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-02-06 09:28:16,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:16,176 INFO L206 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] [2025-02-06 09:28:16,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:28:16,176 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:16,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:16,177 INFO L85 PathProgramCache]: Analyzing trace with hash 134168059, now seen corresponding path program 1 times [2025-02-06 09:28:16,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:16,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936942373] [2025-02-06 09:28:16,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:16,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:16,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 09:28:16,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 09:28:16,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:16,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:16,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:16,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:16,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936942373] [2025-02-06 09:28:16,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936942373] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:16,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:16,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:16,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192638508] [2025-02-06 09:28:16,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:16,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:16,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:16,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:16,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:16,238 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 628 [2025-02-06 09:28:16,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 570 transitions, 1151 flow. Second operand has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2025-02-06 09:28:16,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:16,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 628 [2025-02-06 09:28:16,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:16,425 INFO L124 PetriNetUnfolderBase]: 78/1635 cut-off events. [2025-02-06 09:28:16,425 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-02-06 09:28:16,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1740 conditions, 1635 events. 78/1635 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9931 event pairs, 32 based on Foata normal form. 0/1412 useless extension candidates. Maximal degree in co-relation 1690. Up to 87 conditions per place. [2025-02-06 09:28:16,451 INFO L140 encePairwiseOnDemand]: 622/628 looper letters, 16 selfloop transitions, 1 changer transitions 0/565 dead transitions. [2025-02-06 09:28:16,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 565 transitions, 1175 flow [2025-02-06 09:28:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:16,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1786 transitions. [2025-02-06 09:28:16,454 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9479830148619958 [2025-02-06 09:28:16,454 INFO L175 Difference]: Start difference. First operand has 565 places, 570 transitions, 1151 flow. Second operand 3 states and 1786 transitions. [2025-02-06 09:28:16,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 565 transitions, 1175 flow [2025-02-06 09:28:16,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 565 transitions, 1171 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:16,461 INFO L231 Difference]: Finished difference. Result has 560 places, 565 transitions, 1139 flow [2025-02-06 09:28:16,461 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1137, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1139, PETRI_PLACES=560, PETRI_TRANSITIONS=565} [2025-02-06 09:28:16,462 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -27 predicate places. [2025-02-06 09:28:16,463 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 565 transitions, 1139 flow [2025-02-06 09:28:16,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2025-02-06 09:28:16,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:16,463 INFO L206 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] [2025-02-06 09:28:16,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:28:16,464 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:16,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:16,464 INFO L85 PathProgramCache]: Analyzing trace with hash 217423265, now seen corresponding path program 1 times [2025-02-06 09:28:16,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:16,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598766998] [2025-02-06 09:28:16,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:16,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:16,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 09:28:16,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 09:28:16,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:16,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:16,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:16,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598766998] [2025-02-06 09:28:16,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598766998] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:16,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:16,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:16,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780173959] [2025-02-06 09:28:16,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:16,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:16,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:16,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:16,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:16,536 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 593 out of 628 [2025-02-06 09:28:16,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 565 transitions, 1139 flow. Second operand has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-02-06 09:28:16,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:16,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 593 of 628 [2025-02-06 09:28:16,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:16,632 INFO L124 PetriNetUnfolderBase]: 36/1038 cut-off events. [2025-02-06 09:28:16,632 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2025-02-06 09:28:16,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1089 conditions, 1038 events. 36/1038 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4387 event pairs, 12 based on Foata normal form. 0/908 useless extension candidates. Maximal degree in co-relation 1039. Up to 38 conditions per place. [2025-02-06 09:28:16,641 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 13 selfloop transitions, 2 changer transitions 0/564 dead transitions. [2025-02-06 09:28:16,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 564 transitions, 1167 flow [2025-02-06 09:28:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:16,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1795 transitions. [2025-02-06 09:28:16,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.95276008492569 [2025-02-06 09:28:16,647 INFO L175 Difference]: Start difference. First operand has 560 places, 565 transitions, 1139 flow. Second operand 3 states and 1795 transitions. [2025-02-06 09:28:16,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 564 transitions, 1167 flow [2025-02-06 09:28:16,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 564 transitions, 1166 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:16,653 INFO L231 Difference]: Finished difference. Result has 560 places, 564 transitions, 1140 flow [2025-02-06 09:28:16,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1140, PETRI_PLACES=560, PETRI_TRANSITIONS=564} [2025-02-06 09:28:16,654 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -27 predicate places. [2025-02-06 09:28:16,654 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 564 transitions, 1140 flow [2025-02-06 09:28:16,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-02-06 09:28:16,655 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:16,655 INFO L206 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] [2025-02-06 09:28:16,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:28:16,655 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:16,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:16,655 INFO L85 PathProgramCache]: Analyzing trace with hash 959356261, now seen corresponding path program 1 times [2025-02-06 09:28:16,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:16,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039998653] [2025-02-06 09:28:16,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:16,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:16,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-06 09:28:16,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 09:28:16,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:16,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:16,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:16,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039998653] [2025-02-06 09:28:16,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039998653] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:16,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:16,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:16,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001598825] [2025-02-06 09:28:16,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:16,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:16,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:16,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:16,719 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 628 [2025-02-06 09:28:16,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 564 transitions, 1140 flow. Second operand has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2025-02-06 09:28:16,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:16,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 628 [2025-02-06 09:28:16,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:17,333 INFO L124 PetriNetUnfolderBase]: 136/2442 cut-off events. [2025-02-06 09:28:17,334 INFO L125 PetriNetUnfolderBase]: For 35/39 co-relation queries the response was YES. [2025-02-06 09:28:17,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2598 conditions, 2442 events. 136/2442 cut-off events. For 35/39 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 17740 event pairs, 64 based on Foata normal form. 0/2112 useless extension candidates. Maximal degree in co-relation 2548. Up to 141 conditions per place. [2025-02-06 09:28:17,383 INFO L140 encePairwiseOnDemand]: 622/628 looper letters, 16 selfloop transitions, 1 changer transitions 0/559 dead transitions. [2025-02-06 09:28:17,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 559 transitions, 1164 flow [2025-02-06 09:28:17,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1786 transitions. [2025-02-06 09:28:17,398 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9479830148619958 [2025-02-06 09:28:17,398 INFO L175 Difference]: Start difference. First operand has 560 places, 564 transitions, 1140 flow. Second operand 3 states and 1786 transitions. [2025-02-06 09:28:17,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 559 transitions, 1164 flow [2025-02-06 09:28:17,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 559 transitions, 1160 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:17,410 INFO L231 Difference]: Finished difference. Result has 555 places, 559 transitions, 1128 flow [2025-02-06 09:28:17,415 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=555, PETRI_TRANSITIONS=559} [2025-02-06 09:28:17,416 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -32 predicate places. [2025-02-06 09:28:17,419 INFO L471 AbstractCegarLoop]: Abstraction has has 555 places, 559 transitions, 1128 flow [2025-02-06 09:28:17,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.0) internal successors, (1767), 3 states have internal predecessors, (1767), 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) [2025-02-06 09:28:17,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:17,421 INFO L206 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] [2025-02-06 09:28:17,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:28:17,421 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:17,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:17,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1527391021, now seen corresponding path program 1 times [2025-02-06 09:28:17,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:17,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178121352] [2025-02-06 09:28:17,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:17,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-06 09:28:17,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-06 09:28:17,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:17,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178121352] [2025-02-06 09:28:17,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178121352] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:17,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:17,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:17,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816677842] [2025-02-06 09:28:17,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:17,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:17,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:17,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:17,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:17,558 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 593 out of 628 [2025-02-06 09:28:17,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 559 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-02-06 09:28:17,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:17,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 593 of 628 [2025-02-06 09:28:17,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:17,763 INFO L124 PetriNetUnfolderBase]: 38/810 cut-off events. [2025-02-06 09:28:17,763 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2025-02-06 09:28:17,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 810 events. 38/810 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3034 event pairs, 20 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 822. Up to 50 conditions per place. [2025-02-06 09:28:17,773 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 13 selfloop transitions, 2 changer transitions 0/558 dead transitions. [2025-02-06 09:28:17,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 558 transitions, 1156 flow [2025-02-06 09:28:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1795 transitions. [2025-02-06 09:28:17,779 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.95276008492569 [2025-02-06 09:28:17,779 INFO L175 Difference]: Start difference. First operand has 555 places, 559 transitions, 1128 flow. Second operand 3 states and 1795 transitions. [2025-02-06 09:28:17,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 558 transitions, 1156 flow [2025-02-06 09:28:17,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 558 transitions, 1155 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:17,786 INFO L231 Difference]: Finished difference. Result has 555 places, 558 transitions, 1129 flow [2025-02-06 09:28:17,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1125, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1129, PETRI_PLACES=555, PETRI_TRANSITIONS=558} [2025-02-06 09:28:17,787 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -32 predicate places. [2025-02-06 09:28:17,787 INFO L471 AbstractCegarLoop]: Abstraction has has 555 places, 558 transitions, 1129 flow [2025-02-06 09:28:17,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-02-06 09:28:17,788 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:17,788 INFO L206 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] [2025-02-06 09:28:17,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:28:17,789 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:17,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:17,790 INFO L85 PathProgramCache]: Analyzing trace with hash 53839193, now seen corresponding path program 1 times [2025-02-06 09:28:17,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:17,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693387368] [2025-02-06 09:28:17,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:17,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-06 09:28:17,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-06 09:28:17,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:17,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:17,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:17,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693387368] [2025-02-06 09:28:17,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693387368] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:17,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:17,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:17,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370132274] [2025-02-06 09:28:17,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:17,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:17,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:17,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:17,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:17,865 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 597 out of 628 [2025-02-06 09:28:17,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 558 transitions, 1129 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2025-02-06 09:28:17,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:17,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 597 of 628 [2025-02-06 09:28:17,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:18,000 INFO L124 PetriNetUnfolderBase]: 34/990 cut-off events. [2025-02-06 09:28:18,001 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:28:18,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 990 events. 34/990 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4370 event pairs, 6 based on Foata normal form. 0/878 useless extension candidates. Maximal degree in co-relation 994. Up to 23 conditions per place. [2025-02-06 09:28:18,013 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 12 selfloop transitions, 2 changer transitions 0/559 dead transitions. [2025-02-06 09:28:18,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 559 transitions, 1161 flow [2025-02-06 09:28:18,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2025-02-06 09:28:18,018 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9585987261146497 [2025-02-06 09:28:18,018 INFO L175 Difference]: Start difference. First operand has 555 places, 558 transitions, 1129 flow. Second operand 3 states and 1806 transitions. [2025-02-06 09:28:18,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 559 transitions, 1161 flow [2025-02-06 09:28:18,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 559 transitions, 1157 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:18,024 INFO L231 Difference]: Finished difference. Result has 554 places, 557 transitions, 1127 flow [2025-02-06 09:28:18,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1127, PETRI_PLACES=554, PETRI_TRANSITIONS=557} [2025-02-06 09:28:18,026 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -33 predicate places. [2025-02-06 09:28:18,026 INFO L471 AbstractCegarLoop]: Abstraction has has 554 places, 557 transitions, 1127 flow [2025-02-06 09:28:18,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2025-02-06 09:28:18,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:18,027 INFO L206 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] [2025-02-06 09:28:18,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:28:18,027 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:18,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:18,028 INFO L85 PathProgramCache]: Analyzing trace with hash 146204518, now seen corresponding path program 1 times [2025-02-06 09:28:18,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:18,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634520113] [2025-02-06 09:28:18,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:18,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-06 09:28:18,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-06 09:28:18,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:18,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:18,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:18,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634520113] [2025-02-06 09:28:18,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634520113] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:18,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:18,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:18,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269425443] [2025-02-06 09:28:18,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:18,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:18,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:18,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:18,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:18,100 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:18,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 557 transitions, 1127 flow. Second operand has 3 states, 3 states have (on average 597.6666666666666) internal successors, (1793), 3 states have internal predecessors, (1793), 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) [2025-02-06 09:28:18,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:18,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:18,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:18,233 INFO L124 PetriNetUnfolderBase]: 31/876 cut-off events. [2025-02-06 09:28:18,233 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2025-02-06 09:28:18,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 876 events. 31/876 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3410 event pairs, 6 based on Foata normal form. 1/783 useless extension candidates. Maximal degree in co-relation 876. Up to 24 conditions per place. [2025-02-06 09:28:18,243 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 13 selfloop transitions, 2 changer transitions 0/558 dead transitions. [2025-02-06 09:28:18,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 558 transitions, 1161 flow [2025-02-06 09:28:18,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1804 transitions. [2025-02-06 09:28:18,247 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9575371549893843 [2025-02-06 09:28:18,247 INFO L175 Difference]: Start difference. First operand has 554 places, 557 transitions, 1127 flow. Second operand 3 states and 1804 transitions. [2025-02-06 09:28:18,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 558 transitions, 1161 flow [2025-02-06 09:28:18,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 558 transitions, 1157 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:18,255 INFO L231 Difference]: Finished difference. Result has 553 places, 556 transitions, 1125 flow [2025-02-06 09:28:18,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1125, PETRI_PLACES=553, PETRI_TRANSITIONS=556} [2025-02-06 09:28:18,257 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -34 predicate places. [2025-02-06 09:28:18,257 INFO L471 AbstractCegarLoop]: Abstraction has has 553 places, 556 transitions, 1125 flow [2025-02-06 09:28:18,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 597.6666666666666) internal successors, (1793), 3 states have internal predecessors, (1793), 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) [2025-02-06 09:28:18,258 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:18,258 INFO L206 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] [2025-02-06 09:28:18,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 09:28:18,258 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:18,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:18,259 INFO L85 PathProgramCache]: Analyzing trace with hash 183044137, now seen corresponding path program 1 times [2025-02-06 09:28:18,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:18,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607676583] [2025-02-06 09:28:18,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:18,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:18,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 09:28:18,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 09:28:18,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:18,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:18,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:18,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607676583] [2025-02-06 09:28:18,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607676583] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:18,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:18,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:28:18,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052609662] [2025-02-06 09:28:18,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:18,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:18,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:18,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:18,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:18,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:18,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 556 transitions, 1125 flow. Second operand has 3 states, 3 states have (on average 597.6666666666666) internal successors, (1793), 3 states have internal predecessors, (1793), 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) [2025-02-06 09:28:18,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:18,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:18,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:18,454 INFO L124 PetriNetUnfolderBase]: 40/991 cut-off events. [2025-02-06 09:28:18,454 INFO L125 PetriNetUnfolderBase]: For 2/18 co-relation queries the response was YES. [2025-02-06 09:28:18,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 991 events. 40/991 cut-off events. For 2/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4324 event pairs, 12 based on Foata normal form. 1/879 useless extension candidates. Maximal degree in co-relation 1022. Up to 39 conditions per place. [2025-02-06 09:28:18,469 INFO L140 encePairwiseOnDemand]: 624/628 looper letters, 14 selfloop transitions, 3 changer transitions 0/559 dead transitions. [2025-02-06 09:28:18,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 559 transitions, 1167 flow [2025-02-06 09:28:18,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2025-02-06 09:28:18,473 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9585987261146497 [2025-02-06 09:28:18,473 INFO L175 Difference]: Start difference. First operand has 553 places, 556 transitions, 1125 flow. Second operand 3 states and 1806 transitions. [2025-02-06 09:28:18,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 559 transitions, 1167 flow [2025-02-06 09:28:18,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 559 transitions, 1163 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:18,482 INFO L231 Difference]: Finished difference. Result has 555 places, 557 transitions, 1139 flow [2025-02-06 09:28:18,483 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1139, PETRI_PLACES=555, PETRI_TRANSITIONS=557} [2025-02-06 09:28:18,484 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -32 predicate places. [2025-02-06 09:28:18,484 INFO L471 AbstractCegarLoop]: Abstraction has has 555 places, 557 transitions, 1139 flow [2025-02-06 09:28:18,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 597.6666666666666) internal successors, (1793), 3 states have internal predecessors, (1793), 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) [2025-02-06 09:28:18,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:18,485 INFO L206 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] [2025-02-06 09:28:18,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 09:28:18,485 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:18,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:18,486 INFO L85 PathProgramCache]: Analyzing trace with hash 482376399, now seen corresponding path program 1 times [2025-02-06 09:28:18,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:18,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864364258] [2025-02-06 09:28:18,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:18,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:18,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 09:28:18,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 09:28:18,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:18,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:18,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:18,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864364258] [2025-02-06 09:28:18,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864364258] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:18,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:18,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:18,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175116190] [2025-02-06 09:28:18,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:18,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:18,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:18,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:18,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:18,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:18,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 557 transitions, 1139 flow. Second operand has 3 states, 3 states have (on average 598.0) internal successors, (1794), 3 states have internal predecessors, (1794), 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) [2025-02-06 09:28:18,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:18,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:18,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:18,667 INFO L124 PetriNetUnfolderBase]: 28/766 cut-off events. [2025-02-06 09:28:18,668 INFO L125 PetriNetUnfolderBase]: For 13/15 co-relation queries the response was YES. [2025-02-06 09:28:18,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 766 events. 28/766 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2604 event pairs, 6 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 767. Up to 24 conditions per place. [2025-02-06 09:28:18,675 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 13 selfloop transitions, 2 changer transitions 0/558 dead transitions. [2025-02-06 09:28:18,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 558 transitions, 1173 flow [2025-02-06 09:28:18,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1804 transitions. [2025-02-06 09:28:18,679 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9575371549893843 [2025-02-06 09:28:18,679 INFO L175 Difference]: Start difference. First operand has 555 places, 557 transitions, 1139 flow. Second operand 3 states and 1804 transitions. [2025-02-06 09:28:18,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 558 transitions, 1173 flow [2025-02-06 09:28:18,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 558 transitions, 1167 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:18,687 INFO L231 Difference]: Finished difference. Result has 554 places, 556 transitions, 1135 flow [2025-02-06 09:28:18,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1135, PETRI_PLACES=554, PETRI_TRANSITIONS=556} [2025-02-06 09:28:18,688 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -33 predicate places. [2025-02-06 09:28:18,688 INFO L471 AbstractCegarLoop]: Abstraction has has 554 places, 556 transitions, 1135 flow [2025-02-06 09:28:18,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.0) internal successors, (1794), 3 states have internal predecessors, (1794), 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) [2025-02-06 09:28:18,689 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:18,689 INFO L206 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] [2025-02-06 09:28:18,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 09:28:18,690 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:18,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:18,690 INFO L85 PathProgramCache]: Analyzing trace with hash 66898888, now seen corresponding path program 1 times [2025-02-06 09:28:18,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:18,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467224752] [2025-02-06 09:28:18,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:18,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:18,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 09:28:18,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 09:28:18,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:18,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:18,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:18,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467224752] [2025-02-06 09:28:18,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467224752] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:18,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:18,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:18,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049192290] [2025-02-06 09:28:18,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:18,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:18,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:18,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:18,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:18,766 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 591 out of 628 [2025-02-06 09:28:18,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 556 transitions, 1135 flow. Second operand has 3 states, 3 states have (on average 592.3333333333334) internal successors, (1777), 3 states have internal predecessors, (1777), 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) [2025-02-06 09:28:18,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:18,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 591 of 628 [2025-02-06 09:28:18,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:19,091 INFO L124 PetriNetUnfolderBase]: 131/2145 cut-off events. [2025-02-06 09:28:19,091 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2025-02-06 09:28:19,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2376 conditions, 2145 events. 131/2145 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 14836 event pairs, 24 based on Foata normal form. 0/1899 useless extension candidates. Maximal degree in co-relation 2326. Up to 154 conditions per place. [2025-02-06 09:28:19,116 INFO L140 encePairwiseOnDemand]: 622/628 looper letters, 20 selfloop transitions, 2 changer transitions 0/559 dead transitions. [2025-02-06 09:28:19,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 559 transitions, 1190 flow [2025-02-06 09:28:19,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:19,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2025-02-06 09:28:19,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9548832271762208 [2025-02-06 09:28:19,120 INFO L175 Difference]: Start difference. First operand has 554 places, 556 transitions, 1135 flow. Second operand 3 states and 1799 transitions. [2025-02-06 09:28:19,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 559 transitions, 1190 flow [2025-02-06 09:28:19,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 559 transitions, 1186 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:19,127 INFO L231 Difference]: Finished difference. Result has 551 places, 554 transitions, 1137 flow [2025-02-06 09:28:19,128 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1137, PETRI_PLACES=551, PETRI_TRANSITIONS=554} [2025-02-06 09:28:19,128 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -36 predicate places. [2025-02-06 09:28:19,128 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 554 transitions, 1137 flow [2025-02-06 09:28:19,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 592.3333333333334) internal successors, (1777), 3 states have internal predecessors, (1777), 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) [2025-02-06 09:28:19,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:19,129 INFO L206 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] [2025-02-06 09:28:19,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 09:28:19,130 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:19,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:19,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1418788181, now seen corresponding path program 1 times [2025-02-06 09:28:19,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:19,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967612862] [2025-02-06 09:28:19,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:19,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:19,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-06 09:28:19,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-06 09:28:19,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:19,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:19,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:19,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967612862] [2025-02-06 09:28:19,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967612862] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:19,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:19,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 09:28:19,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676415815] [2025-02-06 09:28:19,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:19,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:28:19,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:19,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:28:19,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:28:19,820 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 628 [2025-02-06 09:28:19,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 554 transitions, 1137 flow. Second operand has 8 states, 8 states have (on average 569.125) internal successors, (4553), 8 states have internal predecessors, (4553), 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) [2025-02-06 09:28:19,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:19,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 628 [2025-02-06 09:28:19,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:20,116 INFO L124 PetriNetUnfolderBase]: 98/1577 cut-off events. [2025-02-06 09:28:20,116 INFO L125 PetriNetUnfolderBase]: For 6/38 co-relation queries the response was YES. [2025-02-06 09:28:20,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1941 conditions, 1577 events. 98/1577 cut-off events. For 6/38 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8606 event pairs, 45 based on Foata normal form. 5/1448 useless extension candidates. Maximal degree in co-relation 1889. Up to 158 conditions per place. [2025-02-06 09:28:20,134 INFO L140 encePairwiseOnDemand]: 614/628 looper letters, 69 selfloop transitions, 15 changer transitions 0/592 dead transitions. [2025-02-06 09:28:20,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 592 transitions, 1397 flow [2025-02-06 09:28:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 09:28:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 09:28:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6299 transitions. [2025-02-06 09:28:20,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118413433700058 [2025-02-06 09:28:20,143 INFO L175 Difference]: Start difference. First operand has 551 places, 554 transitions, 1137 flow. Second operand 11 states and 6299 transitions. [2025-02-06 09:28:20,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 592 transitions, 1397 flow [2025-02-06 09:28:20,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 592 transitions, 1397 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:20,151 INFO L231 Difference]: Finished difference. Result has 566 places, 562 transitions, 1213 flow [2025-02-06 09:28:20,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1137, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1213, PETRI_PLACES=566, PETRI_TRANSITIONS=562} [2025-02-06 09:28:20,152 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -21 predicate places. [2025-02-06 09:28:20,152 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 562 transitions, 1213 flow [2025-02-06 09:28:20,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 569.125) internal successors, (4553), 8 states have internal predecessors, (4553), 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) [2025-02-06 09:28:20,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:20,154 INFO L206 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] [2025-02-06 09:28:20,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 09:28:20,154 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:20,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1779505831, now seen corresponding path program 1 times [2025-02-06 09:28:20,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:20,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269074431] [2025-02-06 09:28:20,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:20,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-02-06 09:28:20,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-02-06 09:28:20,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:20,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:20,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:20,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269074431] [2025-02-06 09:28:20,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269074431] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:20,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:20,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:28:20,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060586140] [2025-02-06 09:28:20,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:20,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:20,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:20,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:20,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:20,226 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:20,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 562 transitions, 1213 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2025-02-06 09:28:20,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:20,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:20,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:20,493 INFO L124 PetriNetUnfolderBase]: 132/1836 cut-off events. [2025-02-06 09:28:20,494 INFO L125 PetriNetUnfolderBase]: For 91/154 co-relation queries the response was YES. [2025-02-06 09:28:20,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 1836 events. 132/1836 cut-off events. For 91/154 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 10758 event pairs, 48 based on Foata normal form. 0/1618 useless extension candidates. Maximal degree in co-relation 2062. Up to 149 conditions per place. [2025-02-06 09:28:20,513 INFO L140 encePairwiseOnDemand]: 624/628 looper letters, 14 selfloop transitions, 3 changer transitions 0/565 dead transitions. [2025-02-06 09:28:20,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 565 transitions, 1255 flow [2025-02-06 09:28:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2025-02-06 09:28:20,515 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9585987261146497 [2025-02-06 09:28:20,515 INFO L175 Difference]: Start difference. First operand has 566 places, 562 transitions, 1213 flow. Second operand 3 states and 1806 transitions. [2025-02-06 09:28:20,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 565 transitions, 1255 flow [2025-02-06 09:28:20,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 565 transitions, 1251 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:20,521 INFO L231 Difference]: Finished difference. Result has 569 places, 563 transitions, 1227 flow [2025-02-06 09:28:20,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1209, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1227, PETRI_PLACES=569, PETRI_TRANSITIONS=563} [2025-02-06 09:28:20,522 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -18 predicate places. [2025-02-06 09:28:20,522 INFO L471 AbstractCegarLoop]: Abstraction has has 569 places, 563 transitions, 1227 flow [2025-02-06 09:28:20,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2025-02-06 09:28:20,522 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:20,522 INFO L206 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] [2025-02-06 09:28:20,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 09:28:20,523 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:20,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:20,523 INFO L85 PathProgramCache]: Analyzing trace with hash 652246130, now seen corresponding path program 1 times [2025-02-06 09:28:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:20,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351727545] [2025-02-06 09:28:20,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:20,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:20,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-02-06 09:28:20,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-02-06 09:28:20,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:20,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:20,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:20,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351727545] [2025-02-06 09:28:20,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351727545] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:20,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:20,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:28:20,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620862097] [2025-02-06 09:28:20,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:20,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:20,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:20,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:20,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:20,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:20,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 563 transitions, 1227 flow. Second operand has 3 states, 3 states have (on average 598.0) internal successors, (1794), 3 states have internal predecessors, (1794), 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) [2025-02-06 09:28:20,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:20,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:20,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:20,878 INFO L124 PetriNetUnfolderBase]: 137/1985 cut-off events. [2025-02-06 09:28:20,878 INFO L125 PetriNetUnfolderBase]: For 68/101 co-relation queries the response was YES. [2025-02-06 09:28:20,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2366 conditions, 1985 events. 137/1985 cut-off events. For 68/101 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 13041 event pairs, 48 based on Foata normal form. 0/1779 useless extension candidates. Maximal degree in co-relation 2307. Up to 152 conditions per place. [2025-02-06 09:28:20,899 INFO L140 encePairwiseOnDemand]: 624/628 looper letters, 14 selfloop transitions, 3 changer transitions 0/566 dead transitions. [2025-02-06 09:28:20,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 571 places, 566 transitions, 1269 flow [2025-02-06 09:28:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2025-02-06 09:28:20,902 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9585987261146497 [2025-02-06 09:28:20,902 INFO L175 Difference]: Start difference. First operand has 569 places, 563 transitions, 1227 flow. Second operand 3 states and 1806 transitions. [2025-02-06 09:28:20,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 571 places, 566 transitions, 1269 flow [2025-02-06 09:28:20,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 566 transitions, 1263 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:20,908 INFO L231 Difference]: Finished difference. Result has 571 places, 564 transitions, 1239 flow [2025-02-06 09:28:20,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1221, PETRI_DIFFERENCE_MINUEND_PLACES=567, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1239, PETRI_PLACES=571, PETRI_TRANSITIONS=564} [2025-02-06 09:28:20,909 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -16 predicate places. [2025-02-06 09:28:20,909 INFO L471 AbstractCegarLoop]: Abstraction has has 571 places, 564 transitions, 1239 flow [2025-02-06 09:28:20,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.0) internal successors, (1794), 3 states have internal predecessors, (1794), 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) [2025-02-06 09:28:20,910 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:20,910 INFO L206 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] [2025-02-06 09:28:20,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 09:28:20,910 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:20,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:20,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1130831038, now seen corresponding path program 1 times [2025-02-06 09:28:20,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:20,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305471994] [2025-02-06 09:28:20,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:20,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:20,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-02-06 09:28:20,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-02-06 09:28:20,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:20,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:20,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:20,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305471994] [2025-02-06 09:28:20,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305471994] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:20,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:20,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:20,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705871614] [2025-02-06 09:28:20,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:20,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:20,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:20,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:20,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:20,986 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 591 out of 628 [2025-02-06 09:28:20,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 564 transitions, 1239 flow. Second operand has 3 states, 3 states have (on average 593.0) internal successors, (1779), 3 states have internal predecessors, (1779), 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) [2025-02-06 09:28:20,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:20,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 591 of 628 [2025-02-06 09:28:20,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:21,364 INFO L124 PetriNetUnfolderBase]: 187/3283 cut-off events. [2025-02-06 09:28:21,364 INFO L125 PetriNetUnfolderBase]: For 58/76 co-relation queries the response was YES. [2025-02-06 09:28:21,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3793 conditions, 3283 events. 187/3283 cut-off events. For 58/76 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 25234 event pairs, 33 based on Foata normal form. 0/2960 useless extension candidates. Maximal degree in co-relation 3733. Up to 220 conditions per place. [2025-02-06 09:28:21,405 INFO L140 encePairwiseOnDemand]: 622/628 looper letters, 20 selfloop transitions, 2 changer transitions 0/567 dead transitions. [2025-02-06 09:28:21,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 567 transitions, 1294 flow [2025-02-06 09:28:21,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2025-02-06 09:28:21,408 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9548832271762208 [2025-02-06 09:28:21,408 INFO L175 Difference]: Start difference. First operand has 571 places, 564 transitions, 1239 flow. Second operand 3 states and 1799 transitions. [2025-02-06 09:28:21,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 567 transitions, 1294 flow [2025-02-06 09:28:21,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 567 transitions, 1288 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:28:21,415 INFO L231 Difference]: Finished difference. Result has 568 places, 562 transitions, 1239 flow [2025-02-06 09:28:21,416 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1239, PETRI_PLACES=568, PETRI_TRANSITIONS=562} [2025-02-06 09:28:21,416 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -19 predicate places. [2025-02-06 09:28:21,416 INFO L471 AbstractCegarLoop]: Abstraction has has 568 places, 562 transitions, 1239 flow [2025-02-06 09:28:21,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 593.0) internal successors, (1779), 3 states have internal predecessors, (1779), 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) [2025-02-06 09:28:21,417 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:21,417 INFO L206 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] [2025-02-06 09:28:21,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 09:28:21,417 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:21,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:21,418 INFO L85 PathProgramCache]: Analyzing trace with hash 483392728, now seen corresponding path program 1 times [2025-02-06 09:28:21,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:21,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671759165] [2025-02-06 09:28:21,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:21,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:21,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-02-06 09:28:21,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-02-06 09:28:21,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:21,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:21,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:21,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:21,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671759165] [2025-02-06 09:28:21,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671759165] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:21,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:21,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 09:28:21,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897089289] [2025-02-06 09:28:21,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:21,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:28:21,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:21,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:28:21,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:28:22,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 628 [2025-02-06 09:28:22,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 562 transitions, 1239 flow. Second operand has 8 states, 8 states have (on average 569.25) internal successors, (4554), 8 states have internal predecessors, (4554), 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) [2025-02-06 09:28:22,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:22,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 628 [2025-02-06 09:28:22,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:22,522 INFO L124 PetriNetUnfolderBase]: 170/2424 cut-off events. [2025-02-06 09:28:22,523 INFO L125 PetriNetUnfolderBase]: For 82/134 co-relation queries the response was YES. [2025-02-06 09:28:22,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3024 conditions, 2424 events. 170/2424 cut-off events. For 82/134 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 16243 event pairs, 79 based on Foata normal form. 3/2187 useless extension candidates. Maximal degree in co-relation 2962. Up to 259 conditions per place. [2025-02-06 09:28:22,559 INFO L140 encePairwiseOnDemand]: 614/628 looper letters, 69 selfloop transitions, 15 changer transitions 0/595 dead transitions. [2025-02-06 09:28:22,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 595 transitions, 1489 flow [2025-02-06 09:28:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 09:28:22,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 09:28:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6299 transitions. [2025-02-06 09:28:22,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118413433700058 [2025-02-06 09:28:22,566 INFO L175 Difference]: Start difference. First operand has 568 places, 562 transitions, 1239 flow. Second operand 11 states and 6299 transitions. [2025-02-06 09:28:22,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 595 transitions, 1489 flow [2025-02-06 09:28:22,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 595 transitions, 1489 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:22,575 INFO L231 Difference]: Finished difference. Result has 581 places, 565 transitions, 1294 flow [2025-02-06 09:28:22,575 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1239, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1294, PETRI_PLACES=581, PETRI_TRANSITIONS=565} [2025-02-06 09:28:22,576 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -6 predicate places. [2025-02-06 09:28:22,576 INFO L471 AbstractCegarLoop]: Abstraction has has 581 places, 565 transitions, 1294 flow [2025-02-06 09:28:22,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 569.25) internal successors, (4554), 8 states have internal predecessors, (4554), 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) [2025-02-06 09:28:22,577 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:22,577 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:22,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-06 09:28:22,577 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:22,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:22,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1867904671, now seen corresponding path program 1 times [2025-02-06 09:28:22,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:22,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027971456] [2025-02-06 09:28:22,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:22,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:22,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-06 09:28:22,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-06 09:28:22,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:22,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:22,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:22,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027971456] [2025-02-06 09:28:22,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027971456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:22,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:22,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 09:28:22,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946985433] [2025-02-06 09:28:22,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:22,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:28:22,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:22,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:28:22,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:28:23,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 628 [2025-02-06 09:28:23,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 565 transitions, 1294 flow. Second operand has 8 states, 8 states have (on average 569.375) internal successors, (4555), 8 states have internal predecessors, (4555), 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) [2025-02-06 09:28:23,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:23,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 628 [2025-02-06 09:28:23,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:23,575 INFO L124 PetriNetUnfolderBase]: 245/3127 cut-off events. [2025-02-06 09:28:23,575 INFO L125 PetriNetUnfolderBase]: For 227/285 co-relation queries the response was YES. [2025-02-06 09:28:23,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3984 conditions, 3127 events. 245/3127 cut-off events. For 227/285 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 24270 event pairs, 103 based on Foata normal form. 10/2849 useless extension candidates. Maximal degree in co-relation 3915. Up to 347 conditions per place. [2025-02-06 09:28:23,610 INFO L140 encePairwiseOnDemand]: 614/628 looper letters, 65 selfloop transitions, 15 changer transitions 0/594 dead transitions. [2025-02-06 09:28:23,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 594 transitions, 1528 flow [2025-02-06 09:28:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 09:28:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 09:28:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6290 transitions. [2025-02-06 09:28:23,616 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9105385060799074 [2025-02-06 09:28:23,616 INFO L175 Difference]: Start difference. First operand has 581 places, 565 transitions, 1294 flow. Second operand 11 states and 6290 transitions. [2025-02-06 09:28:23,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 594 transitions, 1528 flow [2025-02-06 09:28:23,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 594 transitions, 1507 flow, removed 0 selfloop flow, removed 7 redundant places. [2025-02-06 09:28:23,623 INFO L231 Difference]: Finished difference. Result has 589 places, 573 transitions, 1349 flow [2025-02-06 09:28:23,623 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1273, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1349, PETRI_PLACES=589, PETRI_TRANSITIONS=573} [2025-02-06 09:28:23,624 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 2 predicate places. [2025-02-06 09:28:23,624 INFO L471 AbstractCegarLoop]: Abstraction has has 589 places, 573 transitions, 1349 flow [2025-02-06 09:28:23,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 569.375) internal successors, (4555), 8 states have internal predecessors, (4555), 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) [2025-02-06 09:28:23,625 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:23,625 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:23,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-06 09:28:23,625 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:23,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:23,625 INFO L85 PathProgramCache]: Analyzing trace with hash 230720775, now seen corresponding path program 1 times [2025-02-06 09:28:23,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:23,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16466222] [2025-02-06 09:28:23,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:23,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:23,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 09:28:23,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 09:28:23,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:23,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 09:28:23,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:23,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16466222] [2025-02-06 09:28:23,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16466222] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:23,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:23,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 09:28:23,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321027001] [2025-02-06 09:28:23,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:23,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:28:23,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:23,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:28:23,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:28:24,146 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 628 [2025-02-06 09:28:24,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 573 transitions, 1349 flow. Second operand has 8 states, 8 states have (on average 569.25) internal successors, (4554), 8 states have internal predecessors, (4554), 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) [2025-02-06 09:28:24,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:24,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 628 [2025-02-06 09:28:24,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:24,487 INFO L124 PetriNetUnfolderBase]: 147/2380 cut-off events. [2025-02-06 09:28:24,487 INFO L125 PetriNetUnfolderBase]: For 118/172 co-relation queries the response was YES. [2025-02-06 09:28:24,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3233 conditions, 2380 events. 147/2380 cut-off events. For 118/172 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 15087 event pairs, 55 based on Foata normal form. 2/2219 useless extension candidates. Maximal degree in co-relation 3157. Up to 233 conditions per place. [2025-02-06 09:28:24,511 INFO L140 encePairwiseOnDemand]: 613/628 looper letters, 71 selfloop transitions, 18 changer transitions 0/603 dead transitions. [2025-02-06 09:28:24,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 603 transitions, 1627 flow [2025-02-06 09:28:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 09:28:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 09:28:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6292 transitions. [2025-02-06 09:28:24,517 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.910828025477707 [2025-02-06 09:28:24,517 INFO L175 Difference]: Start difference. First operand has 589 places, 573 transitions, 1349 flow. Second operand 11 states and 6292 transitions. [2025-02-06 09:28:24,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 603 transitions, 1627 flow [2025-02-06 09:28:24,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 603 transitions, 1623 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:24,524 INFO L231 Difference]: Finished difference. Result has 601 places, 579 transitions, 1440 flow [2025-02-06 09:28:24,525 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1345, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1440, PETRI_PLACES=601, PETRI_TRANSITIONS=579} [2025-02-06 09:28:24,525 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 14 predicate places. [2025-02-06 09:28:24,525 INFO L471 AbstractCegarLoop]: Abstraction has has 601 places, 579 transitions, 1440 flow [2025-02-06 09:28:24,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 569.25) internal successors, (4554), 8 states have internal predecessors, (4554), 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) [2025-02-06 09:28:24,526 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:24,526 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:24,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-06 09:28:24,526 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:24,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:24,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1422570956, now seen corresponding path program 1 times [2025-02-06 09:28:24,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:24,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43610200] [2025-02-06 09:28:24,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:24,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:24,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-02-06 09:28:24,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-02-06 09:28:24,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:24,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 09:28:24,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:24,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43610200] [2025-02-06 09:28:24,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43610200] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:24,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:24,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 09:28:24,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333198888] [2025-02-06 09:28:24,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:24,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:28:24,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:24,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:28:24,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:28:25,061 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 628 [2025-02-06 09:28:25,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 579 transitions, 1440 flow. Second operand has 8 states, 8 states have (on average 569.375) internal successors, (4555), 8 states have internal predecessors, (4555), 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) [2025-02-06 09:28:25,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:25,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 628 [2025-02-06 09:28:25,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:25,881 INFO L124 PetriNetUnfolderBase]: 338/4947 cut-off events. [2025-02-06 09:28:25,881 INFO L125 PetriNetUnfolderBase]: For 466/624 co-relation queries the response was YES. [2025-02-06 09:28:25,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6675 conditions, 4947 events. 338/4947 cut-off events. For 466/624 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 43041 event pairs, 159 based on Foata normal form. 2/4532 useless extension candidates. Maximal degree in co-relation 6594. Up to 453 conditions per place. [2025-02-06 09:28:25,945 INFO L140 encePairwiseOnDemand]: 613/628 looper letters, 67 selfloop transitions, 18 changer transitions 0/605 dead transitions. [2025-02-06 09:28:25,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 605 transitions, 1702 flow [2025-02-06 09:28:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 09:28:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 09:28:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6283 transitions. [2025-02-06 09:28:25,948 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9095251881876085 [2025-02-06 09:28:25,948 INFO L175 Difference]: Start difference. First operand has 601 places, 579 transitions, 1440 flow. Second operand 11 states and 6283 transitions. [2025-02-06 09:28:25,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 605 transitions, 1702 flow [2025-02-06 09:28:25,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 605 transitions, 1681 flow, removed 0 selfloop flow, removed 7 redundant places. [2025-02-06 09:28:25,957 INFO L231 Difference]: Finished difference. Result has 609 places, 590 transitions, 1535 flow [2025-02-06 09:28:25,958 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1419, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1535, PETRI_PLACES=609, PETRI_TRANSITIONS=590} [2025-02-06 09:28:25,958 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 22 predicate places. [2025-02-06 09:28:25,958 INFO L471 AbstractCegarLoop]: Abstraction has has 609 places, 590 transitions, 1535 flow [2025-02-06 09:28:25,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 569.375) internal successors, (4555), 8 states have internal predecessors, (4555), 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) [2025-02-06 09:28:25,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:25,959 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:25,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-06 09:28:25,959 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:25,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:25,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1785025775, now seen corresponding path program 1 times [2025-02-06 09:28:25,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:25,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488160932] [2025-02-06 09:28:25,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:25,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:25,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-06 09:28:25,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-06 09:28:25,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:25,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 09:28:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488160932] [2025-02-06 09:28:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488160932] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:26,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:26,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 09:28:26,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088139039] [2025-02-06 09:28:26,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:26,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:28:26,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:26,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:28:26,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 09:28:26,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 628 [2025-02-06 09:28:26,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 590 transitions, 1535 flow. Second operand has 8 states, 8 states have (on average 569.5) internal successors, (4556), 8 states have internal predecessors, (4556), 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) [2025-02-06 09:28:26,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:26,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 628 [2025-02-06 09:28:26,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:27,108 INFO L124 PetriNetUnfolderBase]: 296/3695 cut-off events. [2025-02-06 09:28:27,109 INFO L125 PetriNetUnfolderBase]: For 622/681 co-relation queries the response was YES. [2025-02-06 09:28:27,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5215 conditions, 3695 events. 296/3695 cut-off events. For 622/681 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 30118 event pairs, 127 based on Foata normal form. 0/3423 useless extension candidates. Maximal degree in co-relation 5127. Up to 433 conditions per place. [2025-02-06 09:28:27,157 INFO L140 encePairwiseOnDemand]: 613/628 looper letters, 67 selfloop transitions, 18 changer transitions 0/611 dead transitions. [2025-02-06 09:28:27,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 611 transitions, 1787 flow [2025-02-06 09:28:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 09:28:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-06 09:28:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6283 transitions. [2025-02-06 09:28:27,161 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9095251881876085 [2025-02-06 09:28:27,161 INFO L175 Difference]: Start difference. First operand has 609 places, 590 transitions, 1535 flow. Second operand 11 states and 6283 transitions. [2025-02-06 09:28:27,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 611 transitions, 1787 flow [2025-02-06 09:28:27,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 611 transitions, 1783 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:27,173 INFO L231 Difference]: Finished difference. Result has 621 places, 596 transitions, 1626 flow [2025-02-06 09:28:27,173 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1531, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1626, PETRI_PLACES=621, PETRI_TRANSITIONS=596} [2025-02-06 09:28:27,174 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 34 predicate places. [2025-02-06 09:28:27,174 INFO L471 AbstractCegarLoop]: Abstraction has has 621 places, 596 transitions, 1626 flow [2025-02-06 09:28:27,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 569.5) internal successors, (4556), 8 states have internal predecessors, (4556), 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) [2025-02-06 09:28:27,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:27,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:27,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-02-06 09:28:27,175 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:27,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:27,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1344974173, now seen corresponding path program 1 times [2025-02-06 09:28:27,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:27,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454307220] [2025-02-06 09:28:27,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:27,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:27,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-02-06 09:28:27,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-02-06 09:28:27,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:27,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:27,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:27,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454307220] [2025-02-06 09:28:27,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454307220] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:27,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:27,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:28:27,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18445479] [2025-02-06 09:28:27,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:27,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:28:27,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:27,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:28:27,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:28:27,944 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 628 [2025-02-06 09:28:27,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 596 transitions, 1626 flow. Second operand has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 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) [2025-02-06 09:28:27,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:27,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 628 [2025-02-06 09:28:27,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:28,466 INFO L124 PetriNetUnfolderBase]: 157/3538 cut-off events. [2025-02-06 09:28:28,467 INFO L125 PetriNetUnfolderBase]: For 561/605 co-relation queries the response was YES. [2025-02-06 09:28:28,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4986 conditions, 3538 events. 157/3538 cut-off events. For 561/605 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 25998 event pairs, 22 based on Foata normal form. 12/3338 useless extension candidates. Maximal degree in co-relation 4894. Up to 173 conditions per place. [2025-02-06 09:28:28,512 INFO L140 encePairwiseOnDemand]: 621/628 looper letters, 41 selfloop transitions, 5 changer transitions 0/605 dead transitions. [2025-02-06 09:28:28,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 605 transitions, 1747 flow [2025-02-06 09:28:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:28:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:28:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3501 transitions. [2025-02-06 09:28:28,516 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.929140127388535 [2025-02-06 09:28:28,516 INFO L175 Difference]: Start difference. First operand has 621 places, 596 transitions, 1626 flow. Second operand 6 states and 3501 transitions. [2025-02-06 09:28:28,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 605 transitions, 1747 flow [2025-02-06 09:28:28,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 605 transitions, 1726 flow, removed 0 selfloop flow, removed 7 redundant places. [2025-02-06 09:28:28,525 INFO L231 Difference]: Finished difference. Result has 617 places, 594 transitions, 1611 flow [2025-02-06 09:28:28,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1601, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1611, PETRI_PLACES=617, PETRI_TRANSITIONS=594} [2025-02-06 09:28:28,533 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 30 predicate places. [2025-02-06 09:28:28,534 INFO L471 AbstractCegarLoop]: Abstraction has has 617 places, 594 transitions, 1611 flow [2025-02-06 09:28:28,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 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) [2025-02-06 09:28:28,535 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:28,535 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:28,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-02-06 09:28:28,535 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:28,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:28,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1727189528, now seen corresponding path program 1 times [2025-02-06 09:28:28,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:28,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755159030] [2025-02-06 09:28:28,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:28,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:28,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 214 statements into 1 equivalence classes. [2025-02-06 09:28:28,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 214 of 214 statements. [2025-02-06 09:28:28,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:28,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:29,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:29,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:29,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755159030] [2025-02-06 09:28:29,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755159030] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:29,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:29,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:28:29,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058027939] [2025-02-06 09:28:29,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:29,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:28:29,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:29,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:28:29,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:28:29,565 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 628 [2025-02-06 09:28:29,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 594 transitions, 1611 flow. Second operand has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 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) [2025-02-06 09:28:29,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:29,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 628 [2025-02-06 09:28:29,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:30,179 INFO L124 PetriNetUnfolderBase]: 186/3895 cut-off events. [2025-02-06 09:28:30,179 INFO L125 PetriNetUnfolderBase]: For 644/742 co-relation queries the response was YES. [2025-02-06 09:28:30,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5423 conditions, 3895 events. 186/3895 cut-off events. For 644/742 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 30247 event pairs, 30 based on Foata normal form. 8/3651 useless extension candidates. Maximal degree in co-relation 5332. Up to 197 conditions per place. [2025-02-06 09:28:30,211 INFO L140 encePairwiseOnDemand]: 621/628 looper letters, 40 selfloop transitions, 5 changer transitions 0/602 dead transitions. [2025-02-06 09:28:30,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 602 transitions, 1727 flow [2025-02-06 09:28:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:28:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:28:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3500 transitions. [2025-02-06 09:28:30,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9288747346072187 [2025-02-06 09:28:30,213 INFO L175 Difference]: Start difference. First operand has 617 places, 594 transitions, 1611 flow. Second operand 6 states and 3500 transitions. [2025-02-06 09:28:30,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 602 transitions, 1727 flow [2025-02-06 09:28:30,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 602 transitions, 1717 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:28:30,221 INFO L231 Difference]: Finished difference. Result has 615 places, 592 transitions, 1607 flow [2025-02-06 09:28:30,222 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1597, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1607, PETRI_PLACES=615, PETRI_TRANSITIONS=592} [2025-02-06 09:28:30,222 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 28 predicate places. [2025-02-06 09:28:30,222 INFO L471 AbstractCegarLoop]: Abstraction has has 615 places, 592 transitions, 1607 flow [2025-02-06 09:28:30,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 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) [2025-02-06 09:28:30,223 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:30,223 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:30,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-02-06 09:28:30,223 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:30,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:30,224 INFO L85 PathProgramCache]: Analyzing trace with hash 601504449, now seen corresponding path program 1 times [2025-02-06 09:28:30,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:30,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462940266] [2025-02-06 09:28:30,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:30,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-02-06 09:28:30,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-02-06 09:28:30,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:30,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:30,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:30,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462940266] [2025-02-06 09:28:30,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462940266] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:30,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:28:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838793839] [2025-02-06 09:28:30,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:30,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:28:30,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:30,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:28:30,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:28:31,100 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 628 [2025-02-06 09:28:31,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 615 places, 592 transitions, 1607 flow. Second operand has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 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) [2025-02-06 09:28:31,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:31,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 628 [2025-02-06 09:28:31,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:31,663 INFO L124 PetriNetUnfolderBase]: 134/3605 cut-off events. [2025-02-06 09:28:31,663 INFO L125 PetriNetUnfolderBase]: For 539/612 co-relation queries the response was YES. [2025-02-06 09:28:31,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4989 conditions, 3605 events. 134/3605 cut-off events. For 539/612 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 26226 event pairs, 22 based on Foata normal form. 11/3409 useless extension candidates. Maximal degree in co-relation 4898. Up to 183 conditions per place. [2025-02-06 09:28:31,686 INFO L140 encePairwiseOnDemand]: 621/628 looper letters, 41 selfloop transitions, 5 changer transitions 0/601 dead transitions. [2025-02-06 09:28:31,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 601 transitions, 1728 flow [2025-02-06 09:28:31,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:28:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:28:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3501 transitions. [2025-02-06 09:28:31,688 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.929140127388535 [2025-02-06 09:28:31,688 INFO L175 Difference]: Start difference. First operand has 615 places, 592 transitions, 1607 flow. Second operand 6 states and 3501 transitions. [2025-02-06 09:28:31,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 601 transitions, 1728 flow [2025-02-06 09:28:31,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 601 transitions, 1718 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:28:31,702 INFO L231 Difference]: Finished difference. Result has 613 places, 590 transitions, 1603 flow [2025-02-06 09:28:31,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1593, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1603, PETRI_PLACES=613, PETRI_TRANSITIONS=590} [2025-02-06 09:28:31,706 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 26 predicate places. [2025-02-06 09:28:31,706 INFO L471 AbstractCegarLoop]: Abstraction has has 613 places, 590 transitions, 1603 flow [2025-02-06 09:28:31,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 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) [2025-02-06 09:28:31,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:31,707 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:31,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-02-06 09:28:31,707 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:31,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1971804409, now seen corresponding path program 1 times [2025-02-06 09:28:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:31,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898711102] [2025-02-06 09:28:31,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:31,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:31,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-02-06 09:28:31,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-02-06 09:28:31,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:31,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:31,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898711102] [2025-02-06 09:28:31,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898711102] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:31,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:31,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:31,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547077937] [2025-02-06 09:28:31,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:31,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:31,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:31,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:31,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:31,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 591 out of 628 [2025-02-06 09:28:31,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 613 places, 590 transitions, 1603 flow. Second operand has 3 states, 3 states have (on average 592.6666666666666) internal successors, (1778), 3 states have internal predecessors, (1778), 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) [2025-02-06 09:28:31,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:31,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 591 of 628 [2025-02-06 09:28:31,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:32,842 INFO L124 PetriNetUnfolderBase]: 411/6715 cut-off events. [2025-02-06 09:28:32,842 INFO L125 PetriNetUnfolderBase]: For 510/538 co-relation queries the response was YES. [2025-02-06 09:28:32,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8428 conditions, 6715 events. 411/6715 cut-off events. For 510/538 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 61186 event pairs, 63 based on Foata normal form. 0/6202 useless extension candidates. Maximal degree in co-relation 8338. Up to 469 conditions per place. [2025-02-06 09:28:32,882 INFO L140 encePairwiseOnDemand]: 622/628 looper letters, 19 selfloop transitions, 2 changer transitions 0/592 dead transitions. [2025-02-06 09:28:32,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 592 transitions, 1653 flow [2025-02-06 09:28:32,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1798 transitions. [2025-02-06 09:28:32,883 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9543524416135881 [2025-02-06 09:28:32,883 INFO L175 Difference]: Start difference. First operand has 613 places, 590 transitions, 1603 flow. Second operand 3 states and 1798 transitions. [2025-02-06 09:28:32,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 592 transitions, 1653 flow [2025-02-06 09:28:32,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 592 transitions, 1643 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:28:32,892 INFO L231 Difference]: Finished difference. Result has 607 places, 588 transitions, 1599 flow [2025-02-06 09:28:32,893 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1585, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1599, PETRI_PLACES=607, PETRI_TRANSITIONS=588} [2025-02-06 09:28:32,893 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 20 predicate places. [2025-02-06 09:28:32,893 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 588 transitions, 1599 flow [2025-02-06 09:28:32,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 592.6666666666666) internal successors, (1778), 3 states have internal predecessors, (1778), 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) [2025-02-06 09:28:32,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:32,894 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:32,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-02-06 09:28:32,894 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:32,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1844809425, now seen corresponding path program 1 times [2025-02-06 09:28:32,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:32,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986004745] [2025-02-06 09:28:32,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:32,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:32,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-06 09:28:32,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-06 09:28:32,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:32,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:33,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:33,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986004745] [2025-02-06 09:28:33,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986004745] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:33,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:33,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:28:33,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736683276] [2025-02-06 09:28:33,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:33,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:28:33,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:33,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:28:33,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:28:33,710 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 628 [2025-02-06 09:28:33,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 588 transitions, 1599 flow. Second operand has 6 states, 6 states have (on average 579.1666666666666) internal successors, (3475), 6 states have internal predecessors, (3475), 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) [2025-02-06 09:28:33,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:33,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 628 [2025-02-06 09:28:33,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:34,291 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1609] thread2EXIT-->L105: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} AuxVars[] AssignedVars[][477], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 838#true, 622#(= |#race~n1~0| 0), 174#L79-16true, Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 840#(= |#race~a3~0| 0), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), Black: 658#true, 634#(= |#race~n2~0| 0), Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 699#(= |#race~a2~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 640#(= |#race~n3~0| 0), Black: 729#(<= ~n2~0 0), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), 844#(= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4))) 0), Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), 471#L105true, Black: 697#true]) [2025-02-06 09:28:34,291 INFO L294 olderBase$Statistics]: this new event has 335 ancestors and is cut-off event [2025-02-06 09:28:34,291 INFO L297 olderBase$Statistics]: existing Event has 304 ancestors and is cut-off event [2025-02-06 09:28:34,291 INFO L297 olderBase$Statistics]: existing Event has 335 ancestors and is cut-off event [2025-02-06 09:28:34,291 INFO L297 olderBase$Statistics]: existing Event has 335 ancestors and is cut-off event [2025-02-06 09:28:34,297 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1609] thread2EXIT-->L105: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} AuxVars[] AssignedVars[][482], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 840#(= |#race~a3~0| 0), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), 551#L79-15true, Black: 706#(<= ~n1~0 0), Black: 658#true, 634#(= |#race~n2~0| 0), 845#(and (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 1)) 0) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4))) 0)), Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 699#(= |#race~a2~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 640#(= |#race~n3~0| 0), Black: 729#(<= ~n2~0 0), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), 471#L105true, Black: 697#true]) [2025-02-06 09:28:34,297 INFO L294 olderBase$Statistics]: this new event has 336 ancestors and is cut-off event [2025-02-06 09:28:34,297 INFO L297 olderBase$Statistics]: existing Event has 336 ancestors and is cut-off event [2025-02-06 09:28:34,297 INFO L297 olderBase$Statistics]: existing Event has 336 ancestors and is cut-off event [2025-02-06 09:28:34,297 INFO L297 olderBase$Statistics]: existing Event has 305 ancestors and is cut-off event [2025-02-06 09:28:34,301 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1609] thread2EXIT-->L105: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} AuxVars[] AssignedVars[][489], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), 331#L79-14true, Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 840#(= |#race~a3~0| 0), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), Black: 658#true, 634#(= |#race~n2~0| 0), Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 699#(= |#race~a2~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 640#(= |#race~n3~0| 0), Black: 729#(<= ~n2~0 0), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), 846#(and (= 0 (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 2))) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 1)) 0) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4))) 0)), Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), 471#L105true, Black: 697#true]) [2025-02-06 09:28:34,301 INFO L294 olderBase$Statistics]: this new event has 337 ancestors and is cut-off event [2025-02-06 09:28:34,301 INFO L297 olderBase$Statistics]: existing Event has 337 ancestors and is cut-off event [2025-02-06 09:28:34,301 INFO L297 olderBase$Statistics]: existing Event has 306 ancestors and is cut-off event [2025-02-06 09:28:34,301 INFO L297 olderBase$Statistics]: existing Event has 337 ancestors and is cut-off event [2025-02-06 09:28:34,305 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1609] thread2EXIT-->L105: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} AuxVars[] AssignedVars[][494], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 365#L79-12true, 840#(= |#race~a3~0| 0), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), Black: 658#true, 634#(= |#race~n2~0| 0), Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 847#(and (= 0 (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 2))) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 1)) 0) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 3)) 0) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4))) 0)), 699#(= |#race~a2~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 640#(= |#race~n3~0| 0), Black: 729#(<= ~n2~0 0), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), 471#L105true, Black: 697#true]) [2025-02-06 09:28:34,305 INFO L294 olderBase$Statistics]: this new event has 338 ancestors and is cut-off event [2025-02-06 09:28:34,305 INFO L297 olderBase$Statistics]: existing Event has 338 ancestors and is cut-off event [2025-02-06 09:28:34,305 INFO L297 olderBase$Statistics]: existing Event has 338 ancestors and is cut-off event [2025-02-06 09:28:34,305 INFO L297 olderBase$Statistics]: existing Event has 307 ancestors and is cut-off event [2025-02-06 09:28:34,307 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1609] thread2EXIT-->L105: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} AuxVars[] AssignedVars[][494], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 840#(= |#race~a3~0| 0), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), Black: 658#true, 634#(= |#race~n2~0| 0), Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 847#(and (= 0 (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 2))) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 1)) 0) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4) 3)) 0) (= (select (select |#race| ~a2~0.base) (+ ~a2~0.offset (* |thread3Thread1of1ForFork2_~i~2#1| 4))) 0)), 699#(= |#race~a2~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 640#(= |#race~n3~0| 0), Black: 729#(<= ~n2~0 0), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), 310#L79-13true, Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), 471#L105true, Black: 697#true]) [2025-02-06 09:28:34,307 INFO L294 olderBase$Statistics]: this new event has 339 ancestors and is cut-off event [2025-02-06 09:28:34,307 INFO L297 olderBase$Statistics]: existing Event has 308 ancestors and is cut-off event [2025-02-06 09:28:34,307 INFO L297 olderBase$Statistics]: existing Event has 339 ancestors and is cut-off event [2025-02-06 09:28:34,307 INFO L297 olderBase$Statistics]: existing Event has 339 ancestors and is cut-off event [2025-02-06 09:28:34,372 INFO L124 PetriNetUnfolderBase]: 260/4215 cut-off events. [2025-02-06 09:28:34,372 INFO L125 PetriNetUnfolderBase]: For 772/816 co-relation queries the response was YES. [2025-02-06 09:28:34,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5902 conditions, 4215 events. 260/4215 cut-off events. For 772/816 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 34422 event pairs, 32 based on Foata normal form. 8/4017 useless extension candidates. Maximal degree in co-relation 5811. Up to 200 conditions per place. [2025-02-06 09:28:34,411 INFO L140 encePairwiseOnDemand]: 621/628 looper letters, 39 selfloop transitions, 5 changer transitions 0/595 dead transitions. [2025-02-06 09:28:34,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 595 transitions, 1710 flow [2025-02-06 09:28:34,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:28:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:28:34,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3499 transitions. [2025-02-06 09:28:34,413 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9286093418259024 [2025-02-06 09:28:34,414 INFO L175 Difference]: Start difference. First operand has 607 places, 588 transitions, 1599 flow. Second operand 6 states and 3499 transitions. [2025-02-06 09:28:34,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 595 transitions, 1710 flow [2025-02-06 09:28:34,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 595 transitions, 1710 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:34,422 INFO L231 Difference]: Finished difference. Result has 610 places, 586 transitions, 1605 flow [2025-02-06 09:28:34,422 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1595, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1605, PETRI_PLACES=610, PETRI_TRANSITIONS=586} [2025-02-06 09:28:34,423 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 23 predicate places. [2025-02-06 09:28:34,423 INFO L471 AbstractCegarLoop]: Abstraction has has 610 places, 586 transitions, 1605 flow [2025-02-06 09:28:34,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 579.1666666666666) internal successors, (3475), 6 states have internal predecessors, (3475), 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) [2025-02-06 09:28:34,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:34,425 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:34,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-06 09:28:34,425 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:34,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:34,426 INFO L85 PathProgramCache]: Analyzing trace with hash 412556796, now seen corresponding path program 1 times [2025-02-06 09:28:34,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:34,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062269079] [2025-02-06 09:28:34,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:34,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:34,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-02-06 09:28:34,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-02-06 09:28:34,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:34,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:34,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:34,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062269079] [2025-02-06 09:28:34,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062269079] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:34,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:34,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:28:34,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099499247] [2025-02-06 09:28:34,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:34,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:28:34,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:34,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:28:34,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:28:35,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 628 [2025-02-06 09:28:35,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 586 transitions, 1605 flow. Second operand has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 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) [2025-02-06 09:28:35,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:35,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 628 [2025-02-06 09:28:35,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:36,050 INFO L124 PetriNetUnfolderBase]: 195/4259 cut-off events. [2025-02-06 09:28:36,050 INFO L125 PetriNetUnfolderBase]: For 629/721 co-relation queries the response was YES. [2025-02-06 09:28:36,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5896 conditions, 4259 events. 195/4259 cut-off events. For 629/721 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 33722 event pairs, 29 based on Foata normal form. 7/4060 useless extension candidates. Maximal degree in co-relation 5804. Up to 196 conditions per place. [2025-02-06 09:28:36,103 INFO L140 encePairwiseOnDemand]: 621/628 looper letters, 40 selfloop transitions, 5 changer transitions 0/594 dead transitions. [2025-02-06 09:28:36,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 613 places, 594 transitions, 1721 flow [2025-02-06 09:28:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:28:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:28:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3500 transitions. [2025-02-06 09:28:36,106 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9288747346072187 [2025-02-06 09:28:36,106 INFO L175 Difference]: Start difference. First operand has 610 places, 586 transitions, 1605 flow. Second operand 6 states and 3500 transitions. [2025-02-06 09:28:36,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 613 places, 594 transitions, 1721 flow [2025-02-06 09:28:36,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 594 transitions, 1711 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:28:36,117 INFO L231 Difference]: Finished difference. Result has 608 places, 584 transitions, 1601 flow [2025-02-06 09:28:36,117 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1601, PETRI_PLACES=608, PETRI_TRANSITIONS=584} [2025-02-06 09:28:36,117 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 21 predicate places. [2025-02-06 09:28:36,118 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 584 transitions, 1601 flow [2025-02-06 09:28:36,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 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) [2025-02-06 09:28:36,118 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:36,118 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:36,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-02-06 09:28:36,118 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:36,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:36,119 INFO L85 PathProgramCache]: Analyzing trace with hash -541492340, now seen corresponding path program 1 times [2025-02-06 09:28:36,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:36,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042529772] [2025-02-06 09:28:36,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:36,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:36,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 226 statements into 1 equivalence classes. [2025-02-06 09:28:36,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 226 of 226 statements. [2025-02-06 09:28:36,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:36,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:36,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:36,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042529772] [2025-02-06 09:28:36,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042529772] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:36,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:36,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:36,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971851880] [2025-02-06 09:28:36,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:36,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:36,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:36,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:36,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:36,171 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 628 [2025-02-06 09:28:36,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 584 transitions, 1601 flow. Second operand has 3 states, 3 states have (on average 602.0) internal successors, (1806), 3 states have internal predecessors, (1806), 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) [2025-02-06 09:28:36,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:36,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 628 [2025-02-06 09:28:36,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:37,092 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1608] thread3EXIT-->L107-5: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][331], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 840#(= |#race~a3~0| 0), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), 634#(= |#race~n2~0| 0), Black: 658#true, Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 699#(= |#race~a2~0| 0), 224#L107-5true, 640#(= |#race~n3~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 729#(<= ~n2~0 0), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), 848#true, Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), Black: 697#true, 854#true]) [2025-02-06 09:28:37,092 INFO L294 olderBase$Statistics]: this new event has 331 ancestors and is not cut-off event [2025-02-06 09:28:37,092 INFO L297 olderBase$Statistics]: existing Event has 331 ancestors and is not cut-off event [2025-02-06 09:28:37,093 INFO L297 olderBase$Statistics]: existing Event has 362 ancestors and is not cut-off event [2025-02-06 09:28:37,093 INFO L297 olderBase$Statistics]: existing Event has 331 ancestors and is not cut-off event [2025-02-06 09:28:37,136 INFO L124 PetriNetUnfolderBase]: 130/4207 cut-off events. [2025-02-06 09:28:37,137 INFO L125 PetriNetUnfolderBase]: For 517/559 co-relation queries the response was YES. [2025-02-06 09:28:37,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5600 conditions, 4207 events. 130/4207 cut-off events. For 517/559 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 31556 event pairs, 22 based on Foata normal form. 0/4036 useless extension candidates. Maximal degree in co-relation 5509. Up to 124 conditions per place. [2025-02-06 09:28:37,161 INFO L140 encePairwiseOnDemand]: 626/628 looper letters, 9 selfloop transitions, 1 changer transitions 0/583 dead transitions. [2025-02-06 09:28:37,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 583 transitions, 1619 flow [2025-02-06 09:28:37,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:37,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:37,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1808 transitions. [2025-02-06 09:28:37,162 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9596602972399151 [2025-02-06 09:28:37,162 INFO L175 Difference]: Start difference. First operand has 608 places, 584 transitions, 1601 flow. Second operand 3 states and 1808 transitions. [2025-02-06 09:28:37,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 583 transitions, 1619 flow [2025-02-06 09:28:37,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 583 transitions, 1609 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:28:37,170 INFO L231 Difference]: Finished difference. Result has 604 places, 583 transitions, 1591 flow [2025-02-06 09:28:37,170 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1589, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1591, PETRI_PLACES=604, PETRI_TRANSITIONS=583} [2025-02-06 09:28:37,170 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 17 predicate places. [2025-02-06 09:28:37,170 INFO L471 AbstractCegarLoop]: Abstraction has has 604 places, 583 transitions, 1591 flow [2025-02-06 09:28:37,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 602.0) internal successors, (1806), 3 states have internal predecessors, (1806), 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) [2025-02-06 09:28:37,171 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:37,171 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:37,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-02-06 09:28:37,171 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:37,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1210146707, now seen corresponding path program 1 times [2025-02-06 09:28:37,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:37,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121763892] [2025-02-06 09:28:37,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:37,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:37,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-02-06 09:28:37,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 09:28:37,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:37,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:37,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:37,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121763892] [2025-02-06 09:28:37,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121763892] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:37,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:37,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:28:37,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600472651] [2025-02-06 09:28:37,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:37,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:28:37,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:37,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:28:37,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:28:37,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 628 [2025-02-06 09:28:37,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 583 transitions, 1591 flow. Second operand has 6 states, 6 states have (on average 579.1666666666666) internal successors, (3475), 6 states have internal predecessors, (3475), 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) [2025-02-06 09:28:37,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:37,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 628 [2025-02-06 09:28:37,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:38,470 INFO L124 PetriNetUnfolderBase]: 220/4123 cut-off events. [2025-02-06 09:28:38,470 INFO L125 PetriNetUnfolderBase]: For 732/761 co-relation queries the response was YES. [2025-02-06 09:28:38,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5748 conditions, 4123 events. 220/4123 cut-off events. For 732/761 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 32547 event pairs, 32 based on Foata normal form. 0/3979 useless extension candidates. Maximal degree in co-relation 5656. Up to 204 conditions per place. [2025-02-06 09:28:38,504 INFO L140 encePairwiseOnDemand]: 621/628 looper letters, 39 selfloop transitions, 5 changer transitions 0/590 dead transitions. [2025-02-06 09:28:38,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 590 transitions, 1702 flow [2025-02-06 09:28:38,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:28:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:28:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3499 transitions. [2025-02-06 09:28:38,505 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9286093418259024 [2025-02-06 09:28:38,506 INFO L175 Difference]: Start difference. First operand has 604 places, 583 transitions, 1591 flow. Second operand 6 states and 3499 transitions. [2025-02-06 09:28:38,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 590 transitions, 1702 flow [2025-02-06 09:28:38,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 590 transitions, 1701 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:38,514 INFO L231 Difference]: Finished difference. Result has 606 places, 581 transitions, 1596 flow [2025-02-06 09:28:38,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1586, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1596, PETRI_PLACES=606, PETRI_TRANSITIONS=581} [2025-02-06 09:28:38,514 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 19 predicate places. [2025-02-06 09:28:38,515 INFO L471 AbstractCegarLoop]: Abstraction has has 606 places, 581 transitions, 1596 flow [2025-02-06 09:28:38,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 579.1666666666666) internal successors, (3475), 6 states have internal predecessors, (3475), 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) [2025-02-06 09:28:38,515 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:38,515 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:38,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-02-06 09:28:38,516 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:38,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:38,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1242705646, now seen corresponding path program 1 times [2025-02-06 09:28:38,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:38,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939950689] [2025-02-06 09:28:38,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:38,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:38,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 234 statements into 1 equivalence classes. [2025-02-06 09:28:38,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 234 of 234 statements. [2025-02-06 09:28:38,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:38,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:38,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:38,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939950689] [2025-02-06 09:28:38,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939950689] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:38,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:38,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:38,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188318905] [2025-02-06 09:28:38,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:38,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:38,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:38,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:38,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:38,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:38,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 581 transitions, 1596 flow. Second operand has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 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) [2025-02-06 09:28:38,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:38,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:38,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:38,996 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1608] thread3EXIT-->L107-5: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][331], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), 840#(= |#race~a3~0| 0), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), Black: 658#true, 634#(= |#race~n2~0| 0), Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 699#(= |#race~a2~0| 0), 224#L107-5true, 640#(= |#race~n3~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 729#(<= ~n2~0 0), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 667#(<= ~n1~0 0), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), 863#true, Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), Black: 697#true, 857#true]) [2025-02-06 09:28:38,996 INFO L294 olderBase$Statistics]: this new event has 331 ancestors and is not cut-off event [2025-02-06 09:28:38,996 INFO L297 olderBase$Statistics]: existing Event has 362 ancestors and is not cut-off event [2025-02-06 09:28:38,996 INFO L297 olderBase$Statistics]: existing Event has 331 ancestors and is not cut-off event [2025-02-06 09:28:38,996 INFO L297 olderBase$Statistics]: existing Event has 331 ancestors and is not cut-off event [2025-02-06 09:28:39,054 INFO L124 PetriNetUnfolderBase]: 120/3723 cut-off events. [2025-02-06 09:28:39,054 INFO L125 PetriNetUnfolderBase]: For 431/497 co-relation queries the response was YES. [2025-02-06 09:28:39,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5029 conditions, 3723 events. 120/3723 cut-off events. For 431/497 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 26385 event pairs, 27 based on Foata normal form. 0/3615 useless extension candidates. Maximal degree in co-relation 4938. Up to 133 conditions per place. [2025-02-06 09:28:39,095 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 11 selfloop transitions, 1 changer transitions 0/579 dead transitions. [2025-02-06 09:28:39,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 579 transitions, 1616 flow [2025-02-06 09:28:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1802 transitions. [2025-02-06 09:28:39,096 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9564755838641189 [2025-02-06 09:28:39,096 INFO L175 Difference]: Start difference. First operand has 606 places, 581 transitions, 1596 flow. Second operand 3 states and 1802 transitions. [2025-02-06 09:28:39,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 579 transitions, 1616 flow [2025-02-06 09:28:39,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 579 transitions, 1606 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:28:39,105 INFO L231 Difference]: Finished difference. Result has 601 places, 579 transitions, 1584 flow [2025-02-06 09:28:39,106 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1582, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1584, PETRI_PLACES=601, PETRI_TRANSITIONS=579} [2025-02-06 09:28:39,106 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 14 predicate places. [2025-02-06 09:28:39,106 INFO L471 AbstractCegarLoop]: Abstraction has has 601 places, 579 transitions, 1584 flow [2025-02-06 09:28:39,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 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) [2025-02-06 09:28:39,106 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:39,106 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:39,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-02-06 09:28:39,107 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:39,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:39,108 INFO L85 PathProgramCache]: Analyzing trace with hash 646046115, now seen corresponding path program 1 times [2025-02-06 09:28:39,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:39,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770210757] [2025-02-06 09:28:39,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:39,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-02-06 09:28:39,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-02-06 09:28:39,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:39,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:39,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770210757] [2025-02-06 09:28:39,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770210757] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526661854] [2025-02-06 09:28:39,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,148 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:39,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 579 transitions, 1584 flow. Second operand has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 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) [2025-02-06 09:28:39,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:39,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:39,538 INFO L124 PetriNetUnfolderBase]: 120/3068 cut-off events. [2025-02-06 09:28:39,538 INFO L125 PetriNetUnfolderBase]: For 339/379 co-relation queries the response was YES. [2025-02-06 09:28:39,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4110 conditions, 3068 events. 120/3068 cut-off events. For 339/379 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 20631 event pairs, 33 based on Foata normal form. 15/3009 useless extension candidates. Maximal degree in co-relation 4019. Up to 144 conditions per place. [2025-02-06 09:28:39,564 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 7 selfloop transitions, 0 changer transitions 24/577 dead transitions. [2025-02-06 09:28:39,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 577 transitions, 1602 flow [2025-02-06 09:28:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1801 transitions. [2025-02-06 09:28:39,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9559447983014862 [2025-02-06 09:28:39,566 INFO L175 Difference]: Start difference. First operand has 601 places, 579 transitions, 1584 flow. Second operand 3 states and 1801 transitions. [2025-02-06 09:28:39,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 577 transitions, 1602 flow [2025-02-06 09:28:39,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 600 places, 577 transitions, 1601 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:28:39,574 INFO L231 Difference]: Finished difference. Result has 600 places, 553 transitions, 1474 flow [2025-02-06 09:28:39,574 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1579, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=600, PETRI_TRANSITIONS=553} [2025-02-06 09:28:39,575 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, 13 predicate places. [2025-02-06 09:28:39,575 INFO L471 AbstractCegarLoop]: Abstraction has has 600 places, 553 transitions, 1474 flow [2025-02-06 09:28:39,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 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) [2025-02-06 09:28:39,575 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:39,575 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:39,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-06 09:28:39,575 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:39,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:39,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1912086248, now seen corresponding path program 1 times [2025-02-06 09:28:39,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:39,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004116501] [2025-02-06 09:28:39,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:39,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:39,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-02-06 09:28:39,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-02-06 09:28:39,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:39,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 09:28:39,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:39,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004116501] [2025-02-06 09:28:39,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004116501] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:39,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:39,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:39,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931336453] [2025-02-06 09:28:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:39,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:39,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:39,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:39,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:39,644 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 597 out of 628 [2025-02-06 09:28:39,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 553 transitions, 1474 flow. Second operand has 3 states, 3 states have (on average 598.6666666666666) internal successors, (1796), 3 states have internal predecessors, (1796), 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) [2025-02-06 09:28:39,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:39,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 597 of 628 [2025-02-06 09:28:39,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:40,104 INFO L124 PetriNetUnfolderBase]: 140/3562 cut-off events. [2025-02-06 09:28:40,104 INFO L125 PetriNetUnfolderBase]: For 330/350 co-relation queries the response was YES. [2025-02-06 09:28:40,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4705 conditions, 3562 events. 140/3562 cut-off events. For 330/350 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 23838 event pairs, 20 based on Foata normal form. 0/3471 useless extension candidates. Maximal degree in co-relation 4672. Up to 93 conditions per place. [2025-02-06 09:28:40,144 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 10 selfloop transitions, 2 changer transitions 12/554 dead transitions. [2025-02-06 09:28:40,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 554 transitions, 1502 flow [2025-02-06 09:28:40,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1804 transitions. [2025-02-06 09:28:40,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9575371549893843 [2025-02-06 09:28:40,146 INFO L175 Difference]: Start difference. First operand has 600 places, 553 transitions, 1474 flow. Second operand 3 states and 1804 transitions. [2025-02-06 09:28:40,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 554 transitions, 1502 flow [2025-02-06 09:28:40,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 554 transitions, 1490 flow, removed 6 selfloop flow, removed 0 redundant places. [2025-02-06 09:28:40,155 INFO L231 Difference]: Finished difference. Result has 580 places, 540 transitions, 1382 flow [2025-02-06 09:28:40,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1460, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1382, PETRI_PLACES=580, PETRI_TRANSITIONS=540} [2025-02-06 09:28:40,156 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -7 predicate places. [2025-02-06 09:28:40,156 INFO L471 AbstractCegarLoop]: Abstraction has has 580 places, 540 transitions, 1382 flow [2025-02-06 09:28:40,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.6666666666666) internal successors, (1796), 3 states have internal predecessors, (1796), 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) [2025-02-06 09:28:40,156 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:40,156 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:40,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-02-06 09:28:40,157 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:40,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:40,157 INFO L85 PathProgramCache]: Analyzing trace with hash 585266672, now seen corresponding path program 1 times [2025-02-06 09:28:40,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:40,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379237325] [2025-02-06 09:28:40,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:40,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:40,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 267 statements into 1 equivalence classes. [2025-02-06 09:28:40,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 267 of 267 statements. [2025-02-06 09:28:40,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:40,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:28:40,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:40,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379237325] [2025-02-06 09:28:40,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379237325] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:40,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:40,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:40,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37383213] [2025-02-06 09:28:40,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:40,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:40,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:40,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:40,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:40,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:40,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 540 transitions, 1382 flow. Second operand has 3 states, 3 states have (on average 598.0) internal successors, (1794), 3 states have internal predecessors, (1794), 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) [2025-02-06 09:28:40,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:40,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:40,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:40,607 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1298] L51-13-->L51-11: Formula: (= |v_#race~a2~0_6| 0) InVars {} OutVars{#race~a2~0=|v_#race~a2~0_6|} AuxVars[] AssignedVars[#race~a2~0][373], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 869#true, Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), 840#(= |#race~a3~0| 0), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), 15#L65-19true, Black: 658#true, 634#(= |#race~n2~0| 0), Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), 866#true, Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 378#L51-11true, 699#(= |#race~a2~0| 0), 29#L102-1true, 640#(= |#race~n3~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 729#(<= ~n2~0 0), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 660#(= |#race~a1~0| 0), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), 556#L79-19true, 872#true, Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), Black: 697#true]) [2025-02-06 09:28:40,607 INFO L294 olderBase$Statistics]: this new event has 340 ancestors and is cut-off event [2025-02-06 09:28:40,607 INFO L297 olderBase$Statistics]: existing Event has 309 ancestors and is cut-off event [2025-02-06 09:28:40,607 INFO L297 olderBase$Statistics]: existing Event has 309 ancestors and is cut-off event [2025-02-06 09:28:40,607 INFO L297 olderBase$Statistics]: existing Event has 340 ancestors and is cut-off event [2025-02-06 09:28:40,653 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1609] thread2EXIT-->L105: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} AuxVars[] AssignedVars[][352], [Black: 754#(<= ~n2~0 0), Black: 755#(and (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 768#(and (not |thread1Thread1of1ForFork1_#t~short2#1|) (<= ~n2~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 869#true, Black: 838#true, 622#(= |#race~n1~0| 0), Black: 652#(not |thread1Thread1of1ForFork1_#t~short2#1|), 840#(= |#race~a3~0| 0), Black: 707#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 720#(and (<= ~n1~0 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|)), Black: 706#(<= ~n1~0 0), 634#(= |#race~n2~0| 0), Black: 658#true, Black: 778#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= ~n3~0 0)), Black: 791#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not |thread2Thread1of1ForFork0_#t~short11#1|) (<= ~n3~0 0)), Black: 783#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), 866#true, Black: 785#(and (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n3~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n3~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 777#(<= ~n3~0 0), 699#(= |#race~a2~0| 0), Black: 735#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 640#(= |#race~n3~0| 0), Black: 729#(<= ~n2~0 0), Black: 730#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0)), Black: 673#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 667#(<= ~n1~0 0), Black: 743#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n2~0 0) (not |thread3Thread1of1ForFork2_#t~short20#1|)), Black: 681#(and (<= ~n1~0 0) (not |thread1Thread1of1ForFork1_#t~short2#1|) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), Black: 737#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 668#(and (<= ~n1~0 0) (= |thread1Thread1of1ForFork1_~i~0#1| 0)), 660#(= |#race~a1~0| 0), Black: 675#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 802#(<= ~n3~0 0), Black: 816#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not |thread3Thread1of1ForFork2_#t~short20#1|) (<= ~n3~0 0)), Black: 689#(not |thread3Thread1of1ForFork2_#t~short20#1|), 556#L79-19true, Black: 803#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (<= ~n3~0 0)), 872#true, Black: 694#(not |thread2Thread1of1ForFork0_#t~short11#1|), 471#L105true, Black: 697#true]) [2025-02-06 09:28:40,654 INFO L294 olderBase$Statistics]: this new event has 369 ancestors and is cut-off event [2025-02-06 09:28:40,654 INFO L297 olderBase$Statistics]: existing Event has 332 ancestors and is cut-off event [2025-02-06 09:28:40,654 INFO L297 olderBase$Statistics]: existing Event has 332 ancestors and is cut-off event [2025-02-06 09:28:40,654 INFO L297 olderBase$Statistics]: existing Event has 363 ancestors and is cut-off event [2025-02-06 09:28:40,661 INFO L124 PetriNetUnfolderBase]: 135/2905 cut-off events. [2025-02-06 09:28:40,661 INFO L125 PetriNetUnfolderBase]: For 200/223 co-relation queries the response was YES. [2025-02-06 09:28:40,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3752 conditions, 2905 events. 135/2905 cut-off events. For 200/223 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 18539 event pairs, 27 based on Foata normal form. 0/2820 useless extension candidates. Maximal degree in co-relation 3718. Up to 90 conditions per place. [2025-02-06 09:28:40,688 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 10 selfloop transitions, 2 changer transitions 11/541 dead transitions. [2025-02-06 09:28:40,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 541 transitions, 1410 flow [2025-02-06 09:28:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1801 transitions. [2025-02-06 09:28:40,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9559447983014862 [2025-02-06 09:28:40,690 INFO L175 Difference]: Start difference. First operand has 580 places, 540 transitions, 1382 flow. Second operand 3 states and 1801 transitions. [2025-02-06 09:28:40,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 541 transitions, 1410 flow [2025-02-06 09:28:40,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 541 transitions, 1364 flow, removed 13 selfloop flow, removed 13 redundant places. [2025-02-06 09:28:40,698 INFO L231 Difference]: Finished difference. Result has 561 places, 528 transitions, 1266 flow [2025-02-06 09:28:40,699 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1334, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1266, PETRI_PLACES=561, PETRI_TRANSITIONS=528} [2025-02-06 09:28:40,699 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -26 predicate places. [2025-02-06 09:28:40,699 INFO L471 AbstractCegarLoop]: Abstraction has has 561 places, 528 transitions, 1266 flow [2025-02-06 09:28:40,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.0) internal successors, (1794), 3 states have internal predecessors, (1794), 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) [2025-02-06 09:28:40,699 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:40,699 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:40,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-06 09:28:40,700 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2025-02-06 09:28:40,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1291365908, now seen corresponding path program 1 times [2025-02-06 09:28:40,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:40,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104894498] [2025-02-06 09:28:40,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:40,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 273 statements into 1 equivalence classes. [2025-02-06 09:28:40,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 273 of 273 statements. [2025-02-06 09:28:40,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:40,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 09:28:40,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:40,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104894498] [2025-02-06 09:28:40,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104894498] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:40,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:40,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:40,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191345947] [2025-02-06 09:28:40,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:40,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:40,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:40,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:40,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:40,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 628 [2025-02-06 09:28:40,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 528 transitions, 1266 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2025-02-06 09:28:40,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:40,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 628 [2025-02-06 09:28:40,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:41,087 INFO L124 PetriNetUnfolderBase]: 107/1753 cut-off events. [2025-02-06 09:28:41,088 INFO L125 PetriNetUnfolderBase]: For 69/91 co-relation queries the response was YES. [2025-02-06 09:28:41,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2204 conditions, 1753 events. 107/1753 cut-off events. For 69/91 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9623 event pairs, 21 based on Foata normal form. 1/1680 useless extension candidates. Maximal degree in co-relation 2177. Up to 71 conditions per place. [2025-02-06 09:28:41,106 INFO L140 encePairwiseOnDemand]: 625/628 looper letters, 0 selfloop transitions, 0 changer transitions 529/529 dead transitions. [2025-02-06 09:28:41,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 529 transitions, 1294 flow [2025-02-06 09:28:41,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1801 transitions. [2025-02-06 09:28:41,108 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9559447983014862 [2025-02-06 09:28:41,108 INFO L175 Difference]: Start difference. First operand has 561 places, 528 transitions, 1266 flow. Second operand 3 states and 1801 transitions. [2025-02-06 09:28:41,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 529 transitions, 1294 flow [2025-02-06 09:28:41,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 529 transitions, 1252 flow, removed 11 selfloop flow, removed 13 redundant places. [2025-02-06 09:28:41,113 INFO L231 Difference]: Finished difference. Result has 542 places, 0 transitions, 0 flow [2025-02-06 09:28:41,113 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=1222, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=542, PETRI_TRANSITIONS=0} [2025-02-06 09:28:41,114 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -45 predicate places. [2025-02-06 09:28:41,114 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 0 transitions, 0 flow [2025-02-06 09:28:41,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 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) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (103 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (102 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (101 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (100 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (99 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (98 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (97 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (96 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (95 of 104 remaining) [2025-02-06 09:28:41,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (94 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (93 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (92 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (91 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (90 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (89 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (88 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (87 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (86 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (85 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (83 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (82 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (81 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (80 of 104 remaining) [2025-02-06 09:28:41,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (79 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (78 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (75 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (74 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (72 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (71 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (70 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (69 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (68 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (67 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (66 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (65 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (64 of 104 remaining) [2025-02-06 09:28:41,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (63 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (62 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (61 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (60 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (59 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (58 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (57 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (56 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (55 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (54 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (53 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (52 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (49 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 104 remaining) [2025-02-06 09:28:41,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (41 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (40 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (39 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (38 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (37 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (36 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (35 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (33 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 104 remaining) [2025-02-06 09:28:41,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (27 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (26 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (25 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (24 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (23 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (22 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (20 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 104 remaining) [2025-02-06 09:28:41,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (16 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (13 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (12 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (11 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (10 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (9 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 104 remaining) [2025-02-06 09:28:41,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 104 remaining) [2025-02-06 09:28:41,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-02-06 09:28:41,124 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:41,128 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:28:41,128 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:28:41,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:28:41 BasicIcfg [2025-02-06 09:28:41,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:28:41,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:28:41,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:28:41,137 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:28:41,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:06" (3/4) ... [2025-02-06 09:28:41,139 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:28:41,142 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:28:41,142 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:28:41,142 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-06 09:28:41,146 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2025-02-06 09:28:41,146 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:28:41,146 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:28:41,147 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:28:41,206 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:28:41,206 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:28:41,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:28:41,208 INFO L158 Benchmark]: Toolchain (without parser) took 36515.74ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 114.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 506.5MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,209 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:28:41,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.91ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 100.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.15ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 97.1MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:28:41,209 INFO L158 Benchmark]: Boogie Preprocessor took 26.65ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 94.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,210 INFO L158 Benchmark]: IcfgBuilder took 943.95ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 49.4MB in the end (delta: 44.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,210 INFO L158 Benchmark]: TraceAbstraction took 35117.75ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 48.5MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 431.0MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,210 INFO L158 Benchmark]: Witness Printer took 69.50ms. Allocated memory is still 1.9GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:28:41,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.91ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 100.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.15ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 97.1MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.65ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 94.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 943.95ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 49.4MB in the end (delta: 44.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 35117.75ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 48.5MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 431.0MB. Max. memory is 16.1GB. * Witness Printer took 69.50ms. Allocated memory is still 1.9GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: 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: 120]: 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: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 932 locations, 104 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: 34.9s, OverallIterations: 37, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6663 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4298 mSDsluCounter, 6631 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6341 mSDsCounter, 1288 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10721 IncrementalHoareTripleChecker+Invalid, 12009 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1288 mSolverCounterUnsat, 290 mSDtfsCounter, 10721 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1626occurred in iteration=24, InterpolantAutomatonStates: 180, 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, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 6303 NumberOfCodeBlocks, 6303 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 6266 ConstructedInterpolants, 0 QuantifiedInterpolants, 8598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 PerfectInterpolantSequences, 36/36 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 59 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:28:41,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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