./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/indexer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/indexer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:15:33,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:15:33,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:15:33,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:15:33,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:15:33,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:15:33,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:15:33,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:15:33,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:15:33,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:15:33,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:15:33,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:15:33,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:15:33,797 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:15:33,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:15:33,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:15:33,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:15:33,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:15:33,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:15:33,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:15:33,798 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/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 -> f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c [2025-03-14 01:15:34,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:15:34,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:15:34,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:15:34,056 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:15:34,056 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:15:34,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/indexer.i [2025-03-14 01:15:35,273 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc1e41d64/18962bc29b3c4f3097adc7f1e3eae8b4/FLAG5cf93a837 [2025-03-14 01:15:35,588 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:15:35,590 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/indexer.i [2025-03-14 01:15:35,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc1e41d64/18962bc29b3c4f3097adc7f1e3eae8b4/FLAG5cf93a837 [2025-03-14 01:15:35,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc1e41d64/18962bc29b3c4f3097adc7f1e3eae8b4 [2025-03-14 01:15:35,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:15:35,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:15:35,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:15:35,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:15:35,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:15:35,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:15:35" (1/1) ... [2025-03-14 01:15:35,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53dbe50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:35, skipping insertion in model container [2025-03-14 01:15:35,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:15:35" (1/1) ... [2025-03-14 01:15:35,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:15:36,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:15:36,421 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:15:36,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:15:36,545 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:15:36,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36 WrapperNode [2025-03-14 01:15:36,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:15:36,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:15:36,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:15:36,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:15:36,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,623 INFO L138 Inliner]: procedures = 270, calls = 803, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 916 [2025-03-14 01:15:36,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:15:36,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:15:36,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:15:36,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:15:36,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,678 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:15:36,704 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:15:36,705 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:15:36,705 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:15:36,706 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (1/1) ... [2025-03-14 01:15:36,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:15:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:15:36,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-14 01:15:36,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-14 01:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-14 01:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-14 01:15:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-14 01:15:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 01:15:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread_routine [2025-03-14 01:15:36,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_routine [2025-03-14 01:15:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 01:15:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-14 01:15:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:15:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:15:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:15:36,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:15:36,759 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:15:36,875 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:15:36,876 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:15:37,981 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:15:37,982 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:15:37,982 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:15:38,016 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:15:38,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:15:38 BoogieIcfgContainer [2025-03-14 01:15:38,018 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:15:38,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:15:38,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:15:38,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:15:38,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:15:35" (1/3) ... [2025-03-14 01:15:38,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab24a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:15:38, skipping insertion in model container [2025-03-14 01:15:38,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:15:36" (2/3) ... [2025-03-14 01:15:38,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab24a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:15:38, skipping insertion in model container [2025-03-14 01:15:38,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:15:38" (3/3) ... [2025-03-14 01:15:38,027 INFO L128 eAbstractionObserver]: Analyzing ICFG indexer.i [2025-03-14 01:15:38,037 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:15:38,042 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG indexer.i that has 2 procedures, 926 locations, 1 initial locations, 6 loop locations, and 6 error locations. [2025-03-14 01:15:38,042 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:15:38,162 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-14 01:15:38,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 929 places, 936 transitions, 1879 flow [2025-03-14 01:15:38,548 INFO L124 PetriNetUnfolderBase]: 11/978 cut-off events. [2025-03-14 01:15:38,550 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-14 01:15:38,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 978 events. 11/978 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 394 event pairs, 0 based on Foata normal form. 0/955 useless extension candidates. Maximal degree in co-relation 847. Up to 4 conditions per place. [2025-03-14 01:15:38,556 INFO L82 GeneralOperation]: Start removeDead. Operand has 929 places, 936 transitions, 1879 flow [2025-03-14 01:15:38,565 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 929 places, 936 transitions, 1879 flow [2025-03-14 01:15:38,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:15:38,580 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;@41a06d4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:15:38,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-14 01:15:38,718 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:15:38,719 INFO L124 PetriNetUnfolderBase]: 2/829 cut-off events. [2025-03-14 01:15:38,719 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:15:38,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:38,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:38,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:38,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:38,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2027461082, now seen corresponding path program 1 times [2025-03-14 01:15:38,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:38,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007876800] [2025-03-14 01:15:38,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:38,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:38,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 808 statements into 1 equivalence classes. [2025-03-14 01:15:39,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 808 of 808 statements. [2025-03-14 01:15:39,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:39,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:39,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:39,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007876800] [2025-03-14 01:15:39,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007876800] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:15:39,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:15:39,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-14 01:15:39,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346882267] [2025-03-14 01:15:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:15:39,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:15:39,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:39,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:15:39,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:15:39,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 912 out of 936 [2025-03-14 01:15:39,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 936 transitions, 1879 flow. Second operand has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:39,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:39,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 912 of 936 [2025-03-14 01:15:39,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:40,093 INFO L124 PetriNetUnfolderBase]: 11/1037 cut-off events. [2025-03-14 01:15:40,094 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2025-03-14 01:15:40,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 1037 events. 11/1037 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 707 event pairs, 2 based on Foata normal form. 15/1029 useless extension candidates. Maximal degree in co-relation 836. Up to 22 conditions per place. [2025-03-14 01:15:40,100 INFO L140 encePairwiseOnDemand]: 920/936 looper letters, 11 selfloop transitions, 6 changer transitions 13/934 dead transitions. [2025-03-14 01:15:40,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 929 places, 934 transitions, 1921 flow [2025-03-14 01:15:40,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:15:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:15:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2771 transitions. [2025-03-14 01:15:40,118 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9868233618233618 [2025-03-14 01:15:40,121 INFO L175 Difference]: Start difference. First operand has 929 places, 936 transitions, 1879 flow. Second operand 3 states and 2771 transitions. [2025-03-14 01:15:40,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 929 places, 934 transitions, 1921 flow [2025-03-14 01:15:40,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 934 transitions, 1921 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:15:40,147 INFO L231 Difference]: Finished difference. Result has 930 places, 919 transitions, 1869 flow [2025-03-14 01:15:40,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=1867, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=930, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1869, PETRI_PLACES=930, PETRI_TRANSITIONS=919} [2025-03-14 01:15:40,153 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 1 predicate places. [2025-03-14 01:15:40,154 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 919 transitions, 1869 flow [2025-03-14 01:15:40,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:40,157 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:40,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:40,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:15:40,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:40,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:40,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1131433455, now seen corresponding path program 1 times [2025-03-14 01:15:40,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:40,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780927183] [2025-03-14 01:15:40,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:40,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:40,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-03-14 01:15:40,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-03-14 01:15:40,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:40,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:40,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:40,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780927183] [2025-03-14 01:15:40,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780927183] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:15:40,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555244125] [2025-03-14 01:15:40,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:40,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:15:40,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:15:40,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-14 01:15:40,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-14 01:15:41,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-03-14 01:15:41,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-03-14 01:15:41,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:41,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:41,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-14 01:15:41,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-14 01:15:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:41,454 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-14 01:15:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:41,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555244125] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-14 01:15:41,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-14 01:15:41,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-14 01:15:41,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320917068] [2025-03-14 01:15:41,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-14 01:15:41,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-14 01:15:41,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:41,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-14 01:15:41,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-14 01:15:41,824 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 906 out of 936 [2025-03-14 01:15:41,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 919 transitions, 1869 flow. Second operand has 10 states, 10 states have (on average 908.0) internal successors, (9080), 10 states have internal predecessors, (9080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:41,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:41,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 906 of 936 [2025-03-14 01:15:41,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:42,170 INFO L124 PetriNetUnfolderBase]: 23/1123 cut-off events. [2025-03-14 01:15:42,170 INFO L125 PetriNetUnfolderBase]: For 23/29 co-relation queries the response was YES. [2025-03-14 01:15:42,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 1123 events. 23/1123 cut-off events. For 23/29 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1100 event pairs, 3 based on Foata normal form. 4/1092 useless extension candidates. Maximal degree in co-relation 862. Up to 21 conditions per place. [2025-03-14 01:15:42,175 INFO L140 encePairwiseOnDemand]: 924/936 looper letters, 19 selfloop transitions, 15 changer transitions 0/933 dead transitions. [2025-03-14 01:15:42,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 928 places, 933 transitions, 1967 flow [2025-03-14 01:15:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-14 01:15:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-14 01:15:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9096 transitions. [2025-03-14 01:15:42,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9717948717948718 [2025-03-14 01:15:42,193 INFO L175 Difference]: Start difference. First operand has 930 places, 919 transitions, 1869 flow. Second operand 10 states and 9096 transitions. [2025-03-14 01:15:42,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 928 places, 933 transitions, 1967 flow [2025-03-14 01:15:42,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 927 places, 933 transitions, 1961 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:15:42,210 INFO L231 Difference]: Finished difference. Result has 930 places, 927 transitions, 1939 flow [2025-03-14 01:15:42,211 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=1863, PETRI_DIFFERENCE_MINUEND_PLACES=918, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=907, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1939, PETRI_PLACES=930, PETRI_TRANSITIONS=927} [2025-03-14 01:15:42,212 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 1 predicate places. [2025-03-14 01:15:42,212 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 927 transitions, 1939 flow [2025-03-14 01:15:42,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 908.0) internal successors, (9080), 10 states have internal predecessors, (9080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:42,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:42,219 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:42,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-14 01:15:42,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:15:42,428 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:42,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:42,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1985463089, now seen corresponding path program 2 times [2025-03-14 01:15:42,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:42,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871004540] [2025-03-14 01:15:42,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 01:15:42,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:42,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 823 statements into 2 equivalence classes. [2025-03-14 01:15:42,515 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 808 of 823 statements. [2025-03-14 01:15:42,515 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 01:15:42,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-14 01:15:44,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:44,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871004540] [2025-03-14 01:15:44,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871004540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:15:44,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:15:44,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:15:44,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397376534] [2025-03-14 01:15:44,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:15:44,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:15:44,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:44,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:15:44,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:15:44,817 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 895 out of 936 [2025-03-14 01:15:44,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 927 transitions, 1939 flow. Second operand has 6 states, 6 states have (on average 896.3333333333334) internal successors, (5378), 6 states have internal predecessors, (5378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:44,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:44,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 895 of 936 [2025-03-14 01:15:44,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:45,420 INFO L124 PetriNetUnfolderBase]: 338/2285 cut-off events. [2025-03-14 01:15:45,420 INFO L125 PetriNetUnfolderBase]: For 21/24 co-relation queries the response was YES. [2025-03-14 01:15:45,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2972 conditions, 2285 events. 338/2285 cut-off events. For 21/24 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9974 event pairs, 142 based on Foata normal form. 0/2137 useless extension candidates. Maximal degree in co-relation 2123. Up to 531 conditions per place. [2025-03-14 01:15:45,432 INFO L140 encePairwiseOnDemand]: 917/936 looper letters, 41 selfloop transitions, 54 changer transitions 0/988 dead transitions. [2025-03-14 01:15:45,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 988 transitions, 2251 flow [2025-03-14 01:15:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:15:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:15:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5466 transitions. [2025-03-14 01:15:45,440 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9732905982905983 [2025-03-14 01:15:45,440 INFO L175 Difference]: Start difference. First operand has 930 places, 927 transitions, 1939 flow. Second operand 6 states and 5466 transitions. [2025-03-14 01:15:45,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 988 transitions, 2251 flow [2025-03-14 01:15:45,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 988 transitions, 2241 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-03-14 01:15:45,460 INFO L231 Difference]: Finished difference. Result has 939 places, 980 transitions, 2287 flow [2025-03-14 01:15:45,462 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=1929, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=927, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=909, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2287, PETRI_PLACES=939, PETRI_TRANSITIONS=980} [2025-03-14 01:15:45,463 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 10 predicate places. [2025-03-14 01:15:45,463 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 980 transitions, 2287 flow [2025-03-14 01:15:45,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 896.3333333333334) internal successors, (5378), 6 states have internal predecessors, (5378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:45,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:45,466 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:45,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:15:45,467 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:45,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:45,470 INFO L85 PathProgramCache]: Analyzing trace with hash 98874496, now seen corresponding path program 1 times [2025-03-14 01:15:45,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:45,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523162378] [2025-03-14 01:15:45,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:45,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 833 statements into 1 equivalence classes. [2025-03-14 01:15:45,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 833 of 833 statements. [2025-03-14 01:15:45,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:45,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:46,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:46,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523162378] [2025-03-14 01:15:46,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523162378] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:15:46,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177765627] [2025-03-14 01:15:46,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:46,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:15:46,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:15:46,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-14 01:15:46,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-14 01:15:46,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 833 statements into 1 equivalence classes. [2025-03-14 01:15:46,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 833 of 833 statements. [2025-03-14 01:15:46,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:46,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:46,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-14 01:15:46,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-14 01:15:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:46,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-14 01:15:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:46,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177765627] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-14 01:15:46,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-14 01:15:46,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-14 01:15:46,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825423493] [2025-03-14 01:15:46,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-14 01:15:46,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-14 01:15:46,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:46,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-14 01:15:46,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-14 01:15:46,865 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 906 out of 936 [2025-03-14 01:15:46,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 939 places, 980 transitions, 2287 flow. Second operand has 18 states, 18 states have (on average 908.0) internal successors, (16344), 18 states have internal predecessors, (16344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:46,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:46,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 906 of 936 [2025-03-14 01:15:46,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:47,277 INFO L124 PetriNetUnfolderBase]: 159/1619 cut-off events. [2025-03-14 01:15:47,277 INFO L125 PetriNetUnfolderBase]: For 117/122 co-relation queries the response was YES. [2025-03-14 01:15:47,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1619 events. 159/1619 cut-off events. For 117/122 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4399 event pairs, 16 based on Foata normal form. 6/1557 useless extension candidates. Maximal degree in co-relation 1322. Up to 156 conditions per place. [2025-03-14 01:15:47,284 INFO L140 encePairwiseOnDemand]: 924/936 looper letters, 23 selfloop transitions, 27 changer transitions 0/1002 dead transitions. [2025-03-14 01:15:47,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 1002 transitions, 2483 flow [2025-03-14 01:15:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-14 01:15:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-14 01:15:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 19986 transitions. [2025-03-14 01:15:47,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9705710955710956 [2025-03-14 01:15:47,310 INFO L175 Difference]: Start difference. First operand has 939 places, 980 transitions, 2287 flow. Second operand 22 states and 19986 transitions. [2025-03-14 01:15:47,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 1002 transitions, 2483 flow [2025-03-14 01:15:47,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 1002 transitions, 2483 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:15:47,325 INFO L231 Difference]: Finished difference. Result has 965 places, 993 transitions, 2435 flow [2025-03-14 01:15:47,327 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=2287, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=980, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=963, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2435, PETRI_PLACES=965, PETRI_TRANSITIONS=993} [2025-03-14 01:15:47,327 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 36 predicate places. [2025-03-14 01:15:47,327 INFO L471 AbstractCegarLoop]: Abstraction has has 965 places, 993 transitions, 2435 flow [2025-03-14 01:15:47,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 908.0) internal successors, (16344), 18 states have internal predecessors, (16344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:47,338 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:47,343 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:47,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-14 01:15:47,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-14 01:15:47,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:47,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:47,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1162235584, now seen corresponding path program 2 times [2025-03-14 01:15:47,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:47,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534712818] [2025-03-14 01:15:47,546 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 01:15:47,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:47,581 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 853 statements into 2 equivalence classes. [2025-03-14 01:15:47,604 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 818 of 853 statements. [2025-03-14 01:15:47,604 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 01:15:47,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-14 01:15:49,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:49,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534712818] [2025-03-14 01:15:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534712818] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:15:49,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:15:49,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:15:49,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238446634] [2025-03-14 01:15:49,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:15:49,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:15:49,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:49,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:15:49,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:15:49,411 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 886 out of 936 [2025-03-14 01:15:49,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 965 places, 993 transitions, 2435 flow. Second operand has 6 states, 6 states have (on average 888.6666666666666) internal successors, (5332), 6 states have internal predecessors, (5332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:49,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:49,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 886 of 936 [2025-03-14 01:15:49,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:50,108 INFO L124 PetriNetUnfolderBase]: 471/2878 cut-off events. [2025-03-14 01:15:50,108 INFO L125 PetriNetUnfolderBase]: For 556/586 co-relation queries the response was YES. [2025-03-14 01:15:50,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4663 conditions, 2878 events. 471/2878 cut-off events. For 556/586 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 14815 event pairs, 147 based on Foata normal form. 0/2692 useless extension candidates. Maximal degree in co-relation 3717. Up to 749 conditions per place. [2025-03-14 01:15:50,122 INFO L140 encePairwiseOnDemand]: 917/936 looper letters, 106 selfloop transitions, 54 changer transitions 0/1054 dead transitions. [2025-03-14 01:15:50,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 970 places, 1054 transitions, 2973 flow [2025-03-14 01:15:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:15:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:15:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5420 transitions. [2025-03-14 01:15:50,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9650997150997151 [2025-03-14 01:15:50,131 INFO L175 Difference]: Start difference. First operand has 965 places, 993 transitions, 2435 flow. Second operand 6 states and 5420 transitions. [2025-03-14 01:15:50,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 970 places, 1054 transitions, 2973 flow [2025-03-14 01:15:50,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 1054 transitions, 2945 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-03-14 01:15:50,148 INFO L231 Difference]: Finished difference. Result has 969 places, 1046 transitions, 2861 flow [2025-03-14 01:15:50,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=2407, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=975, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2861, PETRI_PLACES=969, PETRI_TRANSITIONS=1046} [2025-03-14 01:15:50,151 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 40 predicate places. [2025-03-14 01:15:50,151 INFO L471 AbstractCegarLoop]: Abstraction has has 969 places, 1046 transitions, 2861 flow [2025-03-14 01:15:50,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 888.6666666666666) internal successors, (5332), 6 states have internal predecessors, (5332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:50,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:50,155 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:50,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:15:50,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_routineErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:50,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:50,159 INFO L85 PathProgramCache]: Analyzing trace with hash 924448696, now seen corresponding path program 1 times [2025-03-14 01:15:50,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:50,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557157821] [2025-03-14 01:15:50,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:50,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:50,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 865 statements into 1 equivalence classes. [2025-03-14 01:15:50,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 865 of 865 statements. [2025-03-14 01:15:50,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:50,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:50,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:50,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557157821] [2025-03-14 01:15:50,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557157821] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:15:50,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975940588] [2025-03-14 01:15:50,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:50,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:15:50,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:15:50,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-14 01:15:50,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-14 01:15:51,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 865 statements into 1 equivalence classes. [2025-03-14 01:15:51,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 865 of 865 statements. [2025-03-14 01:15:51,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:51,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:51,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-14 01:15:51,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-14 01:15:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:51,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-14 01:15:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:51,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975940588] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-14 01:15:51,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-14 01:15:51,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-03-14 01:15:51,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688175655] [2025-03-14 01:15:51,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-14 01:15:51,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-14 01:15:51,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:51,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-14 01:15:51,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-03-14 01:15:52,017 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 906 out of 936 [2025-03-14 01:15:52,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 969 places, 1046 transitions, 2861 flow. Second operand has 34 states, 34 states have (on average 908.0294117647059) internal successors, (30873), 34 states have internal predecessors, (30873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:52,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:52,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 906 of 936 [2025-03-14 01:15:52,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:53,072 INFO L124 PetriNetUnfolderBase]: 281/2216 cut-off events. [2025-03-14 01:15:53,073 INFO L125 PetriNetUnfolderBase]: For 616/631 co-relation queries the response was YES. [2025-03-14 01:15:53,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3630 conditions, 2216 events. 281/2216 cut-off events. For 616/631 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8784 event pairs, 16 based on Foata normal form. 10/2121 useless extension candidates. Maximal degree in co-relation 2509. Up to 283 conditions per place. [2025-03-14 01:15:53,085 INFO L140 encePairwiseOnDemand]: 924/936 looper letters, 31 selfloop transitions, 51 changer transitions 0/1087 dead transitions. [2025-03-14 01:15:53,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1014 places, 1087 transitions, 3305 flow [2025-03-14 01:15:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-14 01:15:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2025-03-14 01:15:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 41766 transitions. [2025-03-14 01:15:53,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9700390189520625 [2025-03-14 01:15:53,117 INFO L175 Difference]: Start difference. First operand has 969 places, 1046 transitions, 2861 flow. Second operand 46 states and 41766 transitions. [2025-03-14 01:15:53,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1014 places, 1087 transitions, 3305 flow [2025-03-14 01:15:53,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1014 places, 1087 transitions, 3209 flow, removed 48 selfloop flow, removed 0 redundant places. [2025-03-14 01:15:53,138 INFO L231 Difference]: Finished difference. Result has 1023 places, 1071 transitions, 3085 flow [2025-03-14 01:15:53,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=2765, PETRI_DIFFERENCE_MINUEND_PLACES=969, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1017, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=3085, PETRI_PLACES=1023, PETRI_TRANSITIONS=1071} [2025-03-14 01:15:53,141 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 94 predicate places. [2025-03-14 01:15:53,142 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1071 transitions, 3085 flow [2025-03-14 01:15:53,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 908.0294117647059) internal successors, (30873), 34 states have internal predecessors, (30873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:53,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:53,151 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:53,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-14 01:15:53,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:15:53,352 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_routineErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:53,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:53,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1915253704, now seen corresponding path program 2 times [2025-03-14 01:15:53,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:53,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667657635] [2025-03-14 01:15:53,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 01:15:53,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:53,383 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 905 statements into 2 equivalence classes. [2025-03-14 01:15:53,398 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 830 of 905 statements. [2025-03-14 01:15:53,400 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 01:15:53,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-03-14 01:15:54,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:54,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667657635] [2025-03-14 01:15:54,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667657635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:15:54,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:15:54,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:15:54,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045335526] [2025-03-14 01:15:54,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:15:54,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:15:54,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:54,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:15:54,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:15:54,759 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 908 out of 936 [2025-03-14 01:15:54,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1071 transitions, 3085 flow. Second operand has 6 states, 6 states have (on average 910.5) internal successors, (5463), 6 states have internal predecessors, (5463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:54,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:54,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 908 of 936 [2025-03-14 01:15:54,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:55,475 INFO L124 PetriNetUnfolderBase]: 461/3159 cut-off events. [2025-03-14 01:15:55,475 INFO L125 PetriNetUnfolderBase]: For 937/966 co-relation queries the response was YES. [2025-03-14 01:15:55,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5654 conditions, 3159 events. 461/3159 cut-off events. For 937/966 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 17188 event pairs, 22 based on Foata normal form. 4/2990 useless extension candidates. Maximal degree in co-relation 4516. Up to 567 conditions per place. [2025-03-14 01:15:55,490 INFO L140 encePairwiseOnDemand]: 921/936 looper letters, 87 selfloop transitions, 60 changer transitions 0/1125 dead transitions. [2025-03-14 01:15:55,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1125 transitions, 3642 flow [2025-03-14 01:15:55,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:15:55,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:15:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5512 transitions. [2025-03-14 01:15:55,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9814814814814815 [2025-03-14 01:15:55,494 INFO L175 Difference]: Start difference. First operand has 1023 places, 1071 transitions, 3085 flow. Second operand 6 states and 5512 transitions. [2025-03-14 01:15:55,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1125 transitions, 3642 flow [2025-03-14 01:15:55,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1010 places, 1125 transitions, 3582 flow, removed 10 selfloop flow, removed 18 redundant places. [2025-03-14 01:15:55,513 INFO L231 Difference]: Finished difference. Result has 1015 places, 1122 transitions, 3575 flow [2025-03-14 01:15:55,515 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=3025, PETRI_DIFFERENCE_MINUEND_PLACES=1005, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3575, PETRI_PLACES=1015, PETRI_TRANSITIONS=1122} [2025-03-14 01:15:55,516 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 86 predicate places. [2025-03-14 01:15:55,516 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1122 transitions, 3575 flow [2025-03-14 01:15:55,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 910.5) internal successors, (5463), 6 states have internal predecessors, (5463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:55,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:55,518 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:55,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:15:55,518 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:55,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:55,520 INFO L85 PathProgramCache]: Analyzing trace with hash -215112869, now seen corresponding path program 1 times [2025-03-14 01:15:55,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:55,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35725482] [2025-03-14 01:15:55,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:55,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:55,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 909 statements into 1 equivalence classes. [2025-03-14 01:15:55,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 909 of 909 statements. [2025-03-14 01:15:55,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:55,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-03-14 01:15:55,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:55,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35725482] [2025-03-14 01:15:55,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35725482] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:15:55,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:15:55,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:15:55,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035994062] [2025-03-14 01:15:55,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:15:55,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 01:15:55,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:55,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 01:15:55,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-14 01:15:56,016 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 910 out of 936 [2025-03-14 01:15:56,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1122 transitions, 3575 flow. Second operand has 5 states, 5 states have (on average 912.4) internal successors, (4562), 5 states have internal predecessors, (4562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:56,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:15:56,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 910 of 936 [2025-03-14 01:15:56,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:15:56,584 INFO L124 PetriNetUnfolderBase]: 417/3277 cut-off events. [2025-03-14 01:15:56,585 INFO L125 PetriNetUnfolderBase]: For 1186/1211 co-relation queries the response was YES. [2025-03-14 01:15:56,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5717 conditions, 3277 events. 417/3277 cut-off events. For 1186/1211 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 18866 event pairs, 13 based on Foata normal form. 8/3111 useless extension candidates. Maximal degree in co-relation 4583. Up to 345 conditions per place. [2025-03-14 01:15:56,603 INFO L140 encePairwiseOnDemand]: 929/936 looper letters, 26 selfloop transitions, 6 changer transitions 0/1112 dead transitions. [2025-03-14 01:15:56,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1006 places, 1112 transitions, 3587 flow [2025-03-14 01:15:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:15:56,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:15:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5480 transitions. [2025-03-14 01:15:56,606 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9757834757834758 [2025-03-14 01:15:56,606 INFO L175 Difference]: Start difference. First operand has 1015 places, 1122 transitions, 3575 flow. Second operand 6 states and 5480 transitions. [2025-03-14 01:15:56,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1006 places, 1112 transitions, 3587 flow [2025-03-14 01:15:56,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1006 places, 1112 transitions, 3551 flow, removed 18 selfloop flow, removed 0 redundant places. [2025-03-14 01:15:56,628 INFO L231 Difference]: Finished difference. Result has 1006 places, 1106 transitions, 3487 flow [2025-03-14 01:15:56,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=3475, PETRI_DIFFERENCE_MINUEND_PLACES=1001, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3487, PETRI_PLACES=1006, PETRI_TRANSITIONS=1106} [2025-03-14 01:15:56,629 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 77 predicate places. [2025-03-14 01:15:56,631 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1106 transitions, 3487 flow [2025-03-14 01:15:56,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 912.4) internal successors, (4562), 5 states have internal predecessors, (4562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:15:56,632 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:15:56,632 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:15:56,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:15:56,632 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:15:56,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:15:56,635 INFO L85 PathProgramCache]: Analyzing trace with hash 824244877, now seen corresponding path program 1 times [2025-03-14 01:15:56,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:15:56,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133793507] [2025-03-14 01:15:56,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:56,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:15:56,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 915 statements into 1 equivalence classes. [2025-03-14 01:15:56,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 915 of 915 statements. [2025-03-14 01:15:56,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:56,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:58,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:15:58,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133793507] [2025-03-14 01:15:58,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133793507] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:15:58,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896217465] [2025-03-14 01:15:58,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:15:58,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:15:58,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:15:58,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-14 01:15:58,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-14 01:15:58,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 915 statements into 1 equivalence classes. [2025-03-14 01:15:58,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 915 of 915 statements. [2025-03-14 01:15:58,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:15:58,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:15:58,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-14 01:15:58,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-14 01:15:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:58,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-14 01:15:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:15:59,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896217465] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-14 01:15:59,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-14 01:15:59,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2025-03-14 01:15:59,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29756192] [2025-03-14 01:15:59,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-14 01:15:59,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2025-03-14 01:15:59,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:15:59,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2025-03-14 01:15:59,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2025-03-14 01:16:00,178 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 906 out of 936 [2025-03-14 01:16:00,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1106 transitions, 3487 flow. Second operand has 66 states, 66 states have (on average 908.030303030303) internal successors, (59930), 66 states have internal predecessors, (59930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:00,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:00,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 906 of 936 [2025-03-14 01:16:00,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:02,231 INFO L124 PetriNetUnfolderBase]: 413/3349 cut-off events. [2025-03-14 01:16:02,231 INFO L125 PetriNetUnfolderBase]: For 3204/3229 co-relation queries the response was YES. [2025-03-14 01:16:02,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6144 conditions, 3349 events. 413/3349 cut-off events. For 3204/3229 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 18846 event pairs, 13 based on Foata normal form. 19/3194 useless extension candidates. Maximal degree in co-relation 4561. Up to 345 conditions per place. [2025-03-14 01:16:02,256 INFO L140 encePairwiseOnDemand]: 927/936 looper letters, 44 selfloop transitions, 96 changer transitions 0/1186 dead transitions. [2025-03-14 01:16:02,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1098 places, 1186 transitions, 4531 flow [2025-03-14 01:16:02,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-03-14 01:16:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2025-03-14 01:16:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 84414 transitions. [2025-03-14 01:16:02,285 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9697408326440584 [2025-03-14 01:16:02,285 INFO L175 Difference]: Start difference. First operand has 1006 places, 1106 transitions, 3487 flow. Second operand 93 states and 84414 transitions. [2025-03-14 01:16:02,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1098 places, 1186 transitions, 4531 flow [2025-03-14 01:16:02,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1094 places, 1186 transitions, 4520 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-14 01:16:02,308 INFO L231 Difference]: Finished difference. Result has 1111 places, 1155 transitions, 4175 flow [2025-03-14 01:16:02,310 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=3476, PETRI_DIFFERENCE_MINUEND_PLACES=1002, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=93, PETRI_FLOW=4175, PETRI_PLACES=1111, PETRI_TRANSITIONS=1155} [2025-03-14 01:16:02,310 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 182 predicate places. [2025-03-14 01:16:02,311 INFO L471 AbstractCegarLoop]: Abstraction has has 1111 places, 1155 transitions, 4175 flow [2025-03-14 01:16:02,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 908.030303030303) internal successors, (59930), 66 states have internal predecessors, (59930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:02,318 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:02,319 INFO L206 CegarLoopForPetriNet]: trace histogram [31, 31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:16:02,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-14 01:16:02,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:16:02,520 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:16:02,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:02,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1439603827, now seen corresponding path program 2 times [2025-03-14 01:16:02,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:02,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755600377] [2025-03-14 01:16:02,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 01:16:02,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:02,553 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 995 statements into 2 equivalence classes. [2025-03-14 01:16:02,610 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 995 of 995 statements. [2025-03-14 01:16:02,610 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-14 01:16:02,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:06,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:06,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755600377] [2025-03-14 01:16:06,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755600377] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:16:06,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030401638] [2025-03-14 01:16:06,556 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 01:16:06,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:16:06,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:16:06,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-14 01:16:06,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-14 01:16:06,641 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 995 statements into 2 equivalence classes. [2025-03-14 01:16:06,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 995 of 995 statements. [2025-03-14 01:16:06,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-14 01:16:06,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:06,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-03-14 01:16:06,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-14 01:16:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:07,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-14 01:16:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:09,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030401638] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-14 01:16:09,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-14 01:16:09,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2025-03-14 01:16:09,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054117529] [2025-03-14 01:16:09,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-14 01:16:09,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2025-03-14 01:16:09,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:16:09,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2025-03-14 01:16:09,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2025-03-14 01:16:11,294 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 906 out of 936 [2025-03-14 01:16:11,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1111 places, 1155 transitions, 4175 flow. Second operand has 130 states, 130 states have (on average 908.0153846153846) internal successors, (118042), 130 states have internal predecessors, (118042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:11,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:11,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 906 of 936 [2025-03-14 01:16:11,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:16,900 INFO L124 PetriNetUnfolderBase]: 413/3509 cut-off events. [2025-03-14 01:16:16,900 INFO L125 PetriNetUnfolderBase]: For 18013/18038 co-relation queries the response was YES. [2025-03-14 01:16:16,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7305 conditions, 3509 events. 413/3509 cut-off events. For 18013/18038 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 18872 event pairs, 13 based on Foata normal form. 35/3370 useless extension candidates. Maximal degree in co-relation 4571. Up to 345 conditions per place. [2025-03-14 01:16:16,922 INFO L140 encePairwiseOnDemand]: 927/936 looper letters, 76 selfloop transitions, 192 changer transitions 0/1314 dead transitions. [2025-03-14 01:16:16,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1299 places, 1314 transitions, 6739 flow [2025-03-14 01:16:16,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-03-14 01:16:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2025-03-14 01:16:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 171534 transitions. [2025-03-14 01:16:16,991 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696445529778863 [2025-03-14 01:16:16,992 INFO L175 Difference]: Start difference. First operand has 1111 places, 1155 transitions, 4175 flow. Second operand 189 states and 171534 transitions. [2025-03-14 01:16:16,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1299 places, 1314 transitions, 6739 flow [2025-03-14 01:16:17,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1257 places, 1314 transitions, 6552 flow, removed 50 selfloop flow, removed 42 redundant places. [2025-03-14 01:16:17,038 INFO L231 Difference]: Finished difference. Result has 1290 places, 1252 transitions, 5619 flow [2025-03-14 01:16:17,040 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=4052, PETRI_DIFFERENCE_MINUEND_PLACES=1069, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=189, PETRI_FLOW=5619, PETRI_PLACES=1290, PETRI_TRANSITIONS=1252} [2025-03-14 01:16:17,041 INFO L279 CegarLoopForPetriNet]: 929 programPoint places, 361 predicate places. [2025-03-14 01:16:17,041 INFO L471 AbstractCegarLoop]: Abstraction has has 1290 places, 1252 transitions, 5619 flow [2025-03-14 01:16:17,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 908.0153846153846) internal successors, (118042), 130 states have internal predecessors, (118042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:17,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:17,059 INFO L206 CegarLoopForPetriNet]: trace histogram [63, 63, 63, 63, 63, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:16:17,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-14 01:16:17,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-14 01:16:17,260 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-03-14 01:16:17,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:17,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1709671577, now seen corresponding path program 3 times [2025-03-14 01:16:17,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:17,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429421355] [2025-03-14 01:16:17,266 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-14 01:16:17,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:17,304 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1155 statements into 64 equivalence classes. [2025-03-14 01:16:18,097 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) and asserted 1155 of 1155 statements. [2025-03-14 01:16:18,097 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2025-03-14 01:16:18,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9828 backedges. 0 proven. 9828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:30,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:30,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429421355] [2025-03-14 01:16:30,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429421355] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-14 01:16:30,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304596595] [2025-03-14 01:16:30,600 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-14 01:16:30,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-14 01:16:30,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:16:30,602 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-14 01:16:30,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-14 01:16:30,706 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1155 statements into 64 equivalence classes.