./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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/weaver/fibonacci.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:24:13,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:24:14,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:24:14,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:24:14,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:24:14,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:24:14,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:24:14,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:24:14,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:24:14,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:24:14,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:24:14,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:24:14,082 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:24:14,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:24:14,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:24:14,084 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:24:14,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:24:14,084 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:24:14,084 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:24:14,084 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:24:14,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:24:14,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:24:14,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:24:14,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:24:14,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:24:14,085 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 -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2025-03-13 22:24:14,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:24:14,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:24:14,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:24:14,306 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:24:14,306 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:24:14,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/fibonacci.wvr.c [2025-03-13 22:24:15,435 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c15efacd/84705da615dd4b0ab8ea42fd879c6c9d/FLAGb06e57c0e [2025-03-13 22:24:15,694 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:24:15,694 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/fibonacci.wvr.c [2025-03-13 22:24:15,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c15efacd/84705da615dd4b0ab8ea42fd879c6c9d/FLAGb06e57c0e [2025-03-13 22:24:15,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c15efacd/84705da615dd4b0ab8ea42fd879c6c9d [2025-03-13 22:24:15,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:24:15,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:24:15,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:24:15,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:24:15,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:24:15,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:15,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7750b596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15, skipping insertion in model container [2025-03-13 22:24:15,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:15,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:24:15,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:24:15,924 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:24:15,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:24:15,964 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:24:15,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15 WrapperNode [2025-03-13 22:24:15,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:24:15,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:24:15,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:24:15,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:24:15,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:15,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:15,998 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 252 [2025-03-13 22:24:16,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:24:16,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:24:16,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:24:16,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:24:16,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:24:16,021 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:24:16,021 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:24:16,021 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:24:16,023 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (1/1) ... [2025-03-13 22:24:16,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:24:16,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:24:16,052 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) [2025-03-13 22:24:16,056 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 [2025-03-13 22:24:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:24:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:24:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:24:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:24:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:24:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:24:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:24:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:24:16,077 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:24:16,167 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:24:16,169 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:24:16,544 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:24:16,545 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:24:16,546 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:24:16,567 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:24:16,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:24:16 BoogieIcfgContainer [2025-03-13 22:24:16,567 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:24:16,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:24:16,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:24:16,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:24:16,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:24:15" (1/3) ... [2025-03-13 22:24:16,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bd9e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:24:16, skipping insertion in model container [2025-03-13 22:24:16,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:24:15" (2/3) ... [2025-03-13 22:24:16,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bd9e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:24:16, skipping insertion in model container [2025-03-13 22:24:16,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:24:16" (3/3) ... [2025-03-13 22:24:16,576 INFO L128 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2025-03-13 22:24:16,587 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:24:16,588 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fibonacci.wvr.c that has 3 procedures, 331 locations, 1 initial locations, 2 loop locations, and 31 error locations. [2025-03-13 22:24:16,588 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:24:16,706 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:24:16,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 704 flow [2025-03-13 22:24:16,876 INFO L124 PetriNetUnfolderBase]: 15/343 cut-off events. [2025-03-13 22:24:16,878 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:24:16,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 343 events. 15/343 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 596 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2025-03-13 22:24:16,885 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 345 transitions, 704 flow [2025-03-13 22:24:16,890 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 319 places, 326 transitions, 664 flow [2025-03-13 22:24:16,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:24:16,906 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;@65a1dd67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:24:16,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2025-03-13 22:24:16,911 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:24:16,912 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-03-13 22:24:16,912 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:24:16,912 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:16,913 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] [2025-03-13 22:24:16,913 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:16,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:16,918 INFO L85 PathProgramCache]: Analyzing trace with hash -694592298, now seen corresponding path program 1 times [2025-03-13 22:24:16,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:16,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445635461] [2025-03-13 22:24:16,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:16,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:16,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-13 22:24:16,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-13 22:24:16,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:16,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:17,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:17,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445635461] [2025-03-13 22:24:17,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445635461] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:17,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:17,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:17,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408453919] [2025-03-13 22:24:17,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:17,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:17,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:17,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:17,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:17,135 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2025-03-13 22:24:17,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 326 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:17,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2025-03-13 22:24:17,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:17,236 INFO L124 PetriNetUnfolderBase]: 8/508 cut-off events. [2025-03-13 22:24:17,237 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-13 22:24:17,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 508 events. 8/508 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1616 event pairs, 3 based on Foata normal form. 18/456 useless extension candidates. Maximal degree in co-relation 405. Up to 18 conditions per place. [2025-03-13 22:24:17,243 INFO L140 encePairwiseOnDemand]: 331/345 looper letters, 9 selfloop transitions, 2 changer transitions 1/314 dead transitions. [2025-03-13 22:24:17,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 314 transitions, 662 flow [2025-03-13 22:24:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 980 transitions. [2025-03-13 22:24:17,257 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2025-03-13 22:24:17,259 INFO L175 Difference]: Start difference. First operand has 319 places, 326 transitions, 664 flow. Second operand 3 states and 980 transitions. [2025-03-13 22:24:17,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 314 transitions, 662 flow [2025-03-13 22:24:17,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 654 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-13 22:24:17,270 INFO L231 Difference]: Finished difference. Result has 316 places, 313 transitions, 634 flow [2025-03-13 22:24:17,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=316, PETRI_TRANSITIONS=313} [2025-03-13 22:24:17,277 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -3 predicate places. [2025-03-13 22:24:17,277 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 313 transitions, 634 flow [2025-03-13 22:24:17,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,278 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:17,279 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] [2025-03-13 22:24:17,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:24:17,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:17,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:17,280 INFO L85 PathProgramCache]: Analyzing trace with hash -558651815, now seen corresponding path program 1 times [2025-03-13 22:24:17,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:17,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140862945] [2025-03-13 22:24:17,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:17,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:17,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-13 22:24:17,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-13 22:24:17,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:17,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:17,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:17,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140862945] [2025-03-13 22:24:17,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140862945] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:17,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:17,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:17,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341271939] [2025-03-13 22:24:17,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:17,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:17,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:17,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:17,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:17,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2025-03-13 22:24:17,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 313 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:17,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2025-03-13 22:24:17,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:17,434 INFO L124 PetriNetUnfolderBase]: 10/500 cut-off events. [2025-03-13 22:24:17,434 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-13 22:24:17,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 500 events. 10/500 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1529 event pairs, 4 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 504. Up to 23 conditions per place. [2025-03-13 22:24:17,438 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2025-03-13 22:24:17,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 312 transitions, 660 flow [2025-03-13 22:24:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2025-03-13 22:24:17,441 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2025-03-13 22:24:17,441 INFO L175 Difference]: Start difference. First operand has 316 places, 313 transitions, 634 flow. Second operand 3 states and 963 transitions. [2025-03-13 22:24:17,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 312 transitions, 660 flow [2025-03-13 22:24:17,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:17,448 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 632 flow [2025-03-13 22:24:17,449 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2025-03-13 22:24:17,450 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -5 predicate places. [2025-03-13 22:24:17,450 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 632 flow [2025-03-13 22:24:17,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,451 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:17,451 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] [2025-03-13 22:24:17,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:24:17,451 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:17,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash 400367547, now seen corresponding path program 1 times [2025-03-13 22:24:17,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:17,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630596457] [2025-03-13 22:24:17,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:17,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:17,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-13 22:24:17,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-13 22:24:17,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:17,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:17,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:17,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630596457] [2025-03-13 22:24:17,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630596457] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:17,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:17,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:17,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819659068] [2025-03-13 22:24:17,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:17,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:17,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:17,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:17,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:17,540 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2025-03-13 22:24:17,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:17,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2025-03-13 22:24:17,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:17,610 INFO L124 PetriNetUnfolderBase]: 9/611 cut-off events. [2025-03-13 22:24:17,611 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2025-03-13 22:24:17,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 611 events. 9/611 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1661 event pairs, 3 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 601. Up to 18 conditions per place. [2025-03-13 22:24:17,615 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2025-03-13 22:24:17,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 311 transitions, 656 flow [2025-03-13 22:24:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2025-03-13 22:24:17,620 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2025-03-13 22:24:17,620 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 632 flow. Second operand 3 states and 965 transitions. [2025-03-13 22:24:17,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 311 transitions, 656 flow [2025-03-13 22:24:17,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 652 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:17,625 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 630 flow [2025-03-13 22:24:17,626 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2025-03-13 22:24:17,627 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -6 predicate places. [2025-03-13 22:24:17,627 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 630 flow [2025-03-13 22:24:17,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,628 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:17,628 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] [2025-03-13 22:24:17,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:24:17,628 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:17,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:17,629 INFO L85 PathProgramCache]: Analyzing trace with hash -506221715, now seen corresponding path program 1 times [2025-03-13 22:24:17,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28463733] [2025-03-13 22:24:17,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:17,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:17,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-13 22:24:17,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-13 22:24:17,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:17,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:17,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:17,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28463733] [2025-03-13 22:24:17,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28463733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:17,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:17,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:17,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033313860] [2025-03-13 22:24:17,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:17,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:17,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:17,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:17,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:17,727 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2025-03-13 22:24:17,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:17,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2025-03-13 22:24:17,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:17,790 INFO L124 PetriNetUnfolderBase]: 5/410 cut-off events. [2025-03-13 22:24:17,791 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2025-03-13 22:24:17,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 410 events. 5/410 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 931 event pairs, 1 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 384. Up to 12 conditions per place. [2025-03-13 22:24:17,794 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2025-03-13 22:24:17,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 310 transitions, 650 flow [2025-03-13 22:24:17,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2025-03-13 22:24:17,797 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2025-03-13 22:24:17,797 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 630 flow. Second operand 3 states and 969 transitions. [2025-03-13 22:24:17,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 310 transitions, 650 flow [2025-03-13 22:24:17,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:17,802 INFO L231 Difference]: Finished difference. Result has 312 places, 310 transitions, 628 flow [2025-03-13 22:24:17,803 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=312, PETRI_TRANSITIONS=310} [2025-03-13 22:24:17,803 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -7 predicate places. [2025-03-13 22:24:17,803 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 310 transitions, 628 flow [2025-03-13 22:24:17,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,804 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:17,804 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] [2025-03-13 22:24:17,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:24:17,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:17,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:17,807 INFO L85 PathProgramCache]: Analyzing trace with hash 357006658, now seen corresponding path program 1 times [2025-03-13 22:24:17,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:17,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373256729] [2025-03-13 22:24:17,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:17,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:17,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-13 22:24:17,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-13 22:24:17,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:17,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:17,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:17,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373256729] [2025-03-13 22:24:17,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373256729] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:17,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:17,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:17,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457568576] [2025-03-13 22:24:17,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:17,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:17,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:17,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:17,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:17,896 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2025-03-13 22:24:17,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:17,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2025-03-13 22:24:17,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:17,945 INFO L124 PetriNetUnfolderBase]: 9/409 cut-off events. [2025-03-13 22:24:17,945 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-03-13 22:24:17,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 409 events. 9/409 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 962 event pairs, 4 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 385. Up to 23 conditions per place. [2025-03-13 22:24:17,949 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2025-03-13 22:24:17,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 309 transitions, 654 flow [2025-03-13 22:24:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:17,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2025-03-13 22:24:17,951 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2025-03-13 22:24:17,951 INFO L175 Difference]: Start difference. First operand has 312 places, 310 transitions, 628 flow. Second operand 3 states and 963 transitions. [2025-03-13 22:24:17,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 309 transitions, 654 flow [2025-03-13 22:24:17,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 309 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:17,955 INFO L231 Difference]: Finished difference. Result has 311 places, 309 transitions, 626 flow [2025-03-13 22:24:17,955 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=311, PETRI_TRANSITIONS=309} [2025-03-13 22:24:17,956 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -8 predicate places. [2025-03-13 22:24:17,957 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 309 transitions, 626 flow [2025-03-13 22:24:17,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:17,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:17,959 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:24:17,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:24:17,959 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:17,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:17,961 INFO L85 PathProgramCache]: Analyzing trace with hash -237948722, now seen corresponding path program 1 times [2025-03-13 22:24:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529989814] [2025-03-13 22:24:17,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:17,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:17,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-13 22:24:17,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-13 22:24:17,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:17,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529989814] [2025-03-13 22:24:18,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529989814] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721349433] [2025-03-13 22:24:18,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,043 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2025-03-13 22:24:18,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2025-03-13 22:24:18,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:18,093 INFO L124 PetriNetUnfolderBase]: 8/407 cut-off events. [2025-03-13 22:24:18,093 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2025-03-13 22:24:18,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 407 events. 8/407 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 897 event pairs, 3 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 372. Up to 20 conditions per place. [2025-03-13 22:24:18,096 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2025-03-13 22:24:18,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 650 flow [2025-03-13 22:24:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2025-03-13 22:24:18,098 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2025-03-13 22:24:18,098 INFO L175 Difference]: Start difference. First operand has 311 places, 309 transitions, 626 flow. Second operand 3 states and 965 transitions. [2025-03-13 22:24:18,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 650 flow [2025-03-13 22:24:18,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 308 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:18,101 INFO L231 Difference]: Finished difference. Result has 310 places, 308 transitions, 624 flow [2025-03-13 22:24:18,102 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=310, PETRI_TRANSITIONS=308} [2025-03-13 22:24:18,102 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -9 predicate places. [2025-03-13 22:24:18,102 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 308 transitions, 624 flow [2025-03-13 22:24:18,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,103 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:18,103 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] [2025-03-13 22:24:18,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:24:18,103 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:18,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1969118456, now seen corresponding path program 1 times [2025-03-13 22:24:18,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:18,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223338903] [2025-03-13 22:24:18,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:18,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:18,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-13 22:24:18,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-13 22:24:18,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:18,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223338903] [2025-03-13 22:24:18,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223338903] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803294316] [2025-03-13 22:24:18,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2025-03-13 22:24:18,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2025-03-13 22:24:18,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:18,190 INFO L124 PetriNetUnfolderBase]: 4/309 cut-off events. [2025-03-13 22:24:18,190 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2025-03-13 22:24:18,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 309 events. 4/309 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 511 event pairs, 1 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 258. Up to 12 conditions per place. [2025-03-13 22:24:18,192 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2025-03-13 22:24:18,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 307 transitions, 644 flow [2025-03-13 22:24:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2025-03-13 22:24:18,195 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2025-03-13 22:24:18,195 INFO L175 Difference]: Start difference. First operand has 310 places, 308 transitions, 624 flow. Second operand 3 states and 969 transitions. [2025-03-13 22:24:18,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 307 transitions, 644 flow [2025-03-13 22:24:18,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:18,198 INFO L231 Difference]: Finished difference. Result has 309 places, 307 transitions, 622 flow [2025-03-13 22:24:18,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=309, PETRI_TRANSITIONS=307} [2025-03-13 22:24:18,199 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -10 predicate places. [2025-03-13 22:24:18,199 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 307 transitions, 622 flow [2025-03-13 22:24:18,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,200 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:18,200 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] [2025-03-13 22:24:18,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:24:18,200 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:18,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:18,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1256162511, now seen corresponding path program 1 times [2025-03-13 22:24:18,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:18,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456518333] [2025-03-13 22:24:18,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:18,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:18,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-13 22:24:18,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-13 22:24:18,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:18,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456518333] [2025-03-13 22:24:18,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456518333] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537388609] [2025-03-13 22:24:18,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,275 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2025-03-13 22:24:18,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2025-03-13 22:24:18,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:18,327 INFO L124 PetriNetUnfolderBase]: 13/501 cut-off events. [2025-03-13 22:24:18,328 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-13 22:24:18,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 501 events. 13/501 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1566 event pairs, 6 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 466. Up to 26 conditions per place. [2025-03-13 22:24:18,331 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/304 dead transitions. [2025-03-13 22:24:18,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 647 flow [2025-03-13 22:24:18,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2025-03-13 22:24:18,333 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2025-03-13 22:24:18,333 INFO L175 Difference]: Start difference. First operand has 309 places, 307 transitions, 622 flow. Second operand 3 states and 961 transitions. [2025-03-13 22:24:18,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 647 flow [2025-03-13 22:24:18,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:18,338 INFO L231 Difference]: Finished difference. Result has 305 places, 303 transitions, 616 flow [2025-03-13 22:24:18,340 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=305, PETRI_TRANSITIONS=303} [2025-03-13 22:24:18,341 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -14 predicate places. [2025-03-13 22:24:18,341 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 303 transitions, 616 flow [2025-03-13 22:24:18,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:18,341 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] [2025-03-13 22:24:18,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:24:18,341 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:18,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:18,342 INFO L85 PathProgramCache]: Analyzing trace with hash -286345095, now seen corresponding path program 1 times [2025-03-13 22:24:18,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:18,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200213489] [2025-03-13 22:24:18,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:18,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:18,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-13 22:24:18,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-13 22:24:18,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:18,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200213489] [2025-03-13 22:24:18,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200213489] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513296484] [2025-03-13 22:24:18,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,413 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2025-03-13 22:24:18,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 303 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2025-03-13 22:24:18,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:18,452 INFO L124 PetriNetUnfolderBase]: 12/399 cut-off events. [2025-03-13 22:24:18,452 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2025-03-13 22:24:18,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 399 events. 12/399 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 964 event pairs, 6 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 312. Up to 26 conditions per place. [2025-03-13 22:24:18,455 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/300 dead transitions. [2025-03-13 22:24:18,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 300 transitions, 641 flow [2025-03-13 22:24:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2025-03-13 22:24:18,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2025-03-13 22:24:18,457 INFO L175 Difference]: Start difference. First operand has 305 places, 303 transitions, 616 flow. Second operand 3 states and 961 transitions. [2025-03-13 22:24:18,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 300 transitions, 641 flow [2025-03-13 22:24:18,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 300 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:18,462 INFO L231 Difference]: Finished difference. Result has 301 places, 299 transitions, 608 flow [2025-03-13 22:24:18,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=301, PETRI_TRANSITIONS=299} [2025-03-13 22:24:18,464 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -18 predicate places. [2025-03-13 22:24:18,464 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 299 transitions, 608 flow [2025-03-13 22:24:18,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,465 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:18,465 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] [2025-03-13 22:24:18,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 22:24:18,466 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:18,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:18,466 INFO L85 PathProgramCache]: Analyzing trace with hash -259869485, now seen corresponding path program 1 times [2025-03-13 22:24:18,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:18,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516480940] [2025-03-13 22:24:18,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:18,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:18,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-13 22:24:18,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-13 22:24:18,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:18,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516480940] [2025-03-13 22:24:18,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516480940] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611135839] [2025-03-13 22:24:18,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,528 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2025-03-13 22:24:18,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 299 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2025-03-13 22:24:18,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:18,592 INFO L124 PetriNetUnfolderBase]: 11/601 cut-off events. [2025-03-13 22:24:18,592 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-03-13 22:24:18,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 601 events. 11/601 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1816 event pairs, 1 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 429. Up to 20 conditions per place. [2025-03-13 22:24:18,596 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/301 dead transitions. [2025-03-13 22:24:18,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 301 transitions, 650 flow [2025-03-13 22:24:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2025-03-13 22:24:18,598 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2025-03-13 22:24:18,598 INFO L175 Difference]: Start difference. First operand has 301 places, 299 transitions, 608 flow. Second operand 3 states and 971 transitions. [2025-03-13 22:24:18,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 301 transitions, 650 flow [2025-03-13 22:24:18,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 301 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:18,602 INFO L231 Difference]: Finished difference. Result has 299 places, 297 transitions, 609 flow [2025-03-13 22:24:18,602 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=299, PETRI_TRANSITIONS=297} [2025-03-13 22:24:18,604 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2025-03-13 22:24:18,604 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 297 transitions, 609 flow [2025-03-13 22:24:18,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,604 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:18,604 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] [2025-03-13 22:24:18,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-13 22:24:18,605 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:18,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:18,605 INFO L85 PathProgramCache]: Analyzing trace with hash -626458133, now seen corresponding path program 1 times [2025-03-13 22:24:18,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:18,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197734290] [2025-03-13 22:24:18,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:18,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:18,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-13 22:24:18,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-13 22:24:18,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:18,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197734290] [2025-03-13 22:24:18,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197734290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049416199] [2025-03-13 22:24:18,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,671 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2025-03-13 22:24:18,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 297 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2025-03-13 22:24:18,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:18,753 INFO L124 PetriNetUnfolderBase]: 23/749 cut-off events. [2025-03-13 22:24:18,753 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2025-03-13 22:24:18,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 749 events. 23/749 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3093 event pairs, 7 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 351. Up to 40 conditions per place. [2025-03-13 22:24:18,758 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/299 dead transitions. [2025-03-13 22:24:18,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 299 transitions, 651 flow [2025-03-13 22:24:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2025-03-13 22:24:18,761 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2025-03-13 22:24:18,761 INFO L175 Difference]: Start difference. First operand has 299 places, 297 transitions, 609 flow. Second operand 3 states and 971 transitions. [2025-03-13 22:24:18,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 299 transitions, 651 flow [2025-03-13 22:24:18,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 299 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:24:18,765 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 613 flow [2025-03-13 22:24:18,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2025-03-13 22:24:18,766 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2025-03-13 22:24:18,766 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 613 flow [2025-03-13 22:24:18,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:18,767 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] [2025-03-13 22:24:18,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-13 22:24:18,767 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:18,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:18,768 INFO L85 PathProgramCache]: Analyzing trace with hash -275627517, now seen corresponding path program 1 times [2025-03-13 22:24:18,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:18,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626884636] [2025-03-13 22:24:18,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:18,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:18,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-13 22:24:18,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-13 22:24:18,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:18,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626884636] [2025-03-13 22:24:18,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626884636] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591898475] [2025-03-13 22:24:18,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,829 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2025-03-13 22:24:18,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2025-03-13 22:24:18,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:18,936 INFO L124 PetriNetUnfolderBase]: 50/1611 cut-off events. [2025-03-13 22:24:18,936 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2025-03-13 22:24:18,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1767 conditions, 1611 events. 50/1611 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10195 event pairs, 22 based on Foata normal form. 0/1465 useless extension candidates. Maximal degree in co-relation 813. Up to 88 conditions per place. [2025-03-13 22:24:18,945 INFO L140 encePairwiseOnDemand]: 341/345 looper letters, 10 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2025-03-13 22:24:18,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 296 transitions, 640 flow [2025-03-13 22:24:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2025-03-13 22:24:18,947 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2025-03-13 22:24:18,947 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 613 flow. Second operand 3 states and 977 transitions. [2025-03-13 22:24:18,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 296 transitions, 640 flow [2025-03-13 22:24:18,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:24:18,950 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 620 flow [2025-03-13 22:24:18,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2025-03-13 22:24:18,951 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2025-03-13 22:24:18,951 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 620 flow [2025-03-13 22:24:18,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,952 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:18,952 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] [2025-03-13 22:24:18,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-13 22:24:18,952 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:18,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:18,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2015991801, now seen corresponding path program 1 times [2025-03-13 22:24:18,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:18,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885522432] [2025-03-13 22:24:18,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:18,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:18,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-13 22:24:18,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-13 22:24:18,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:18,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:18,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:18,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885522432] [2025-03-13 22:24:18,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885522432] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:18,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:18,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:18,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222641806] [2025-03-13 22:24:18,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:18,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:18,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:18,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:18,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:18,998 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2025-03-13 22:24:18,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:18,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:18,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2025-03-13 22:24:18,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:19,083 INFO L124 PetriNetUnfolderBase]: 28/1018 cut-off events. [2025-03-13 22:24:19,084 INFO L125 PetriNetUnfolderBase]: For 7/23 co-relation queries the response was YES. [2025-03-13 22:24:19,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 1018 events. 28/1018 cut-off events. For 7/23 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5055 event pairs, 7 based on Foata normal form. 4/939 useless extension candidates. Maximal degree in co-relation 473. Up to 35 conditions per place. [2025-03-13 22:24:19,090 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2025-03-13 22:24:19,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 643 flow [2025-03-13 22:24:19,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:19,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2025-03-13 22:24:19,092 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-13 22:24:19,092 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 620 flow. Second operand 3 states and 975 transitions. [2025-03-13 22:24:19,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 643 flow [2025-03-13 22:24:19,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 295 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:24:19,096 INFO L231 Difference]: Finished difference. Result has 299 places, 294 transitions, 622 flow [2025-03-13 22:24:19,096 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=299, PETRI_TRANSITIONS=294} [2025-03-13 22:24:19,097 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2025-03-13 22:24:19,097 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 294 transitions, 622 flow [2025-03-13 22:24:19,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,098 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:19,099 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] [2025-03-13 22:24:19,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-13 22:24:19,099 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:19,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash -261795611, now seen corresponding path program 1 times [2025-03-13 22:24:19,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:19,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446213537] [2025-03-13 22:24:19,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:19,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:19,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-13 22:24:19,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-13 22:24:19,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:19,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:19,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:19,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446213537] [2025-03-13 22:24:19,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446213537] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:19,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:19,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:19,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517645457] [2025-03-13 22:24:19,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:19,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:19,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:19,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:19,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:19,159 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2025-03-13 22:24:19,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 294 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:19,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2025-03-13 22:24:19,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:19,233 INFO L124 PetriNetUnfolderBase]: 29/797 cut-off events. [2025-03-13 22:24:19,233 INFO L125 PetriNetUnfolderBase]: For 23/26 co-relation queries the response was YES. [2025-03-13 22:24:19,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 797 events. 29/797 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3510 event pairs, 9 based on Foata normal form. 0/743 useless extension candidates. Maximal degree in co-relation 793. Up to 47 conditions per place. [2025-03-13 22:24:19,239 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2025-03-13 22:24:19,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 294 transitions, 645 flow [2025-03-13 22:24:19,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2025-03-13 22:24:19,242 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-13 22:24:19,242 INFO L175 Difference]: Start difference. First operand has 299 places, 294 transitions, 622 flow. Second operand 3 states and 975 transitions. [2025-03-13 22:24:19,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 294 transitions, 645 flow [2025-03-13 22:24:19,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 294 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:19,246 INFO L231 Difference]: Finished difference. Result has 298 places, 293 transitions, 620 flow [2025-03-13 22:24:19,246 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=293} [2025-03-13 22:24:19,248 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2025-03-13 22:24:19,248 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 293 transitions, 620 flow [2025-03-13 22:24:19,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:19,249 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] [2025-03-13 22:24:19,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-13 22:24:19,249 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:19,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:19,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1082931664, now seen corresponding path program 1 times [2025-03-13 22:24:19,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:19,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744411117] [2025-03-13 22:24:19,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:19,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:19,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-13 22:24:19,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-13 22:24:19,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:19,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:19,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:19,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744411117] [2025-03-13 22:24:19,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744411117] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:19,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:19,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:19,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695753522] [2025-03-13 22:24:19,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:19,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:19,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:19,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:19,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:19,319 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2025-03-13 22:24:19,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 293 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:19,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2025-03-13 22:24:19,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:19,397 INFO L124 PetriNetUnfolderBase]: 35/1141 cut-off events. [2025-03-13 22:24:19,398 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2025-03-13 22:24:19,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 1141 events. 35/1141 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6297 event pairs, 13 based on Foata normal form. 0/1061 useless extension candidates. Maximal degree in co-relation 1203. Up to 52 conditions per place. [2025-03-13 22:24:19,404 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2025-03-13 22:24:19,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 293 transitions, 649 flow [2025-03-13 22:24:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2025-03-13 22:24:19,406 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2025-03-13 22:24:19,406 INFO L175 Difference]: Start difference. First operand has 298 places, 293 transitions, 620 flow. Second operand 3 states and 969 transitions. [2025-03-13 22:24:19,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 293 transitions, 649 flow [2025-03-13 22:24:19,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:19,409 INFO L231 Difference]: Finished difference. Result has 297 places, 292 transitions, 618 flow [2025-03-13 22:24:19,409 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=297, PETRI_TRANSITIONS=292} [2025-03-13 22:24:19,410 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -22 predicate places. [2025-03-13 22:24:19,410 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 292 transitions, 618 flow [2025-03-13 22:24:19,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,410 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:19,410 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] [2025-03-13 22:24:19,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-13 22:24:19,411 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:19,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:19,411 INFO L85 PathProgramCache]: Analyzing trace with hash 532816055, now seen corresponding path program 1 times [2025-03-13 22:24:19,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:19,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862582641] [2025-03-13 22:24:19,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:19,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:19,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-13 22:24:19,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-13 22:24:19,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:19,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:19,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:19,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862582641] [2025-03-13 22:24:19,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862582641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:19,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:19,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:19,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838307690] [2025-03-13 22:24:19,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:19,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:19,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:19,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:19,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:19,467 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2025-03-13 22:24:19,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 292 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:19,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2025-03-13 22:24:19,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:19,550 INFO L124 PetriNetUnfolderBase]: 35/967 cut-off events. [2025-03-13 22:24:19,551 INFO L125 PetriNetUnfolderBase]: For 25/28 co-relation queries the response was YES. [2025-03-13 22:24:19,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 967 events. 35/967 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4889 event pairs, 15 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 943. Up to 70 conditions per place. [2025-03-13 22:24:19,557 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2025-03-13 22:24:19,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 292 transitions, 647 flow [2025-03-13 22:24:19,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:19,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2025-03-13 22:24:19,560 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2025-03-13 22:24:19,560 INFO L175 Difference]: Start difference. First operand has 297 places, 292 transitions, 618 flow. Second operand 3 states and 969 transitions. [2025-03-13 22:24:19,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 292 transitions, 647 flow [2025-03-13 22:24:19,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 292 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:19,564 INFO L231 Difference]: Finished difference. Result has 296 places, 291 transitions, 616 flow [2025-03-13 22:24:19,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=296, PETRI_TRANSITIONS=291} [2025-03-13 22:24:19,565 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -23 predicate places. [2025-03-13 22:24:19,565 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 291 transitions, 616 flow [2025-03-13 22:24:19,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:19,566 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] [2025-03-13 22:24:19,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-13 22:24:19,566 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:19,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1888719223, now seen corresponding path program 1 times [2025-03-13 22:24:19,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:19,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628626591] [2025-03-13 22:24:19,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:19,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-13 22:24:19,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-13 22:24:19,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:19,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:19,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628626591] [2025-03-13 22:24:19,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628626591] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:19,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:19,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:19,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561628802] [2025-03-13 22:24:19,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:19,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:19,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:19,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:19,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:19,640 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2025-03-13 22:24:19,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 291 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:19,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2025-03-13 22:24:19,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:19,717 INFO L124 PetriNetUnfolderBase]: 19/971 cut-off events. [2025-03-13 22:24:19,717 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2025-03-13 22:24:19,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 971 events. 19/971 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4642 event pairs, 4 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 727. Up to 23 conditions per place. [2025-03-13 22:24:19,722 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 7 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2025-03-13 22:24:19,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 290 transitions, 630 flow [2025-03-13 22:24:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2025-03-13 22:24:19,725 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9449275362318841 [2025-03-13 22:24:19,725 INFO L175 Difference]: Start difference. First operand has 296 places, 291 transitions, 616 flow. Second operand 3 states and 978 transitions. [2025-03-13 22:24:19,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 290 transitions, 630 flow [2025-03-13 22:24:19,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 290 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:19,729 INFO L231 Difference]: Finished difference. Result has 295 places, 290 transitions, 612 flow [2025-03-13 22:24:19,729 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=295, PETRI_TRANSITIONS=290} [2025-03-13 22:24:19,730 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2025-03-13 22:24:19,730 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 290 transitions, 612 flow [2025-03-13 22:24:19,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,731 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:19,731 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] [2025-03-13 22:24:19,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-13 22:24:19,731 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:19,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:19,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1715562707, now seen corresponding path program 1 times [2025-03-13 22:24:19,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:19,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630408290] [2025-03-13 22:24:19,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:19,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:19,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-13 22:24:19,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-13 22:24:19,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:19,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:19,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:19,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630408290] [2025-03-13 22:24:19,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630408290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:19,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:19,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:19,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888170791] [2025-03-13 22:24:19,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:19,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:19,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:19,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:19,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:19,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2025-03-13 22:24:19,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 290 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:19,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2025-03-13 22:24:19,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:19,844 INFO L124 PetriNetUnfolderBase]: 17/755 cut-off events. [2025-03-13 22:24:19,844 INFO L125 PetriNetUnfolderBase]: For 8/11 co-relation queries the response was YES. [2025-03-13 22:24:19,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 755 events. 17/755 cut-off events. For 8/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3126 event pairs, 5 based on Foata normal form. 4/715 useless extension candidates. Maximal degree in co-relation 815. Up to 28 conditions per place. [2025-03-13 22:24:19,848 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 5 selfloop transitions, 0 changer transitions 4/289 dead transitions. [2025-03-13 22:24:19,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 289 transitions, 624 flow [2025-03-13 22:24:19,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2025-03-13 22:24:19,850 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2025-03-13 22:24:19,850 INFO L175 Difference]: Start difference. First operand has 295 places, 290 transitions, 612 flow. Second operand 3 states and 977 transitions. [2025-03-13 22:24:19,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 289 transitions, 624 flow [2025-03-13 22:24:19,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 289 transitions, 623 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:24:19,854 INFO L231 Difference]: Finished difference. Result has 295 places, 285 transitions, 599 flow [2025-03-13 22:24:19,855 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=599, PETRI_PLACES=295, PETRI_TRANSITIONS=285} [2025-03-13 22:24:19,855 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2025-03-13 22:24:19,855 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 285 transitions, 599 flow [2025-03-13 22:24:19,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:19,856 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] [2025-03-13 22:24:19,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-13 22:24:19,856 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:19,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash -117736062, now seen corresponding path program 1 times [2025-03-13 22:24:19,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:19,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898262863] [2025-03-13 22:24:19,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:19,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:19,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-13 22:24:19,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-13 22:24:19,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:19,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:19,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:19,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898262863] [2025-03-13 22:24:19,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898262863] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:19,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:19,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:19,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256960663] [2025-03-13 22:24:19,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:19,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:19,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:19,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:19,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:19,927 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2025-03-13 22:24:19,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 285 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:19,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:19,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2025-03-13 22:24:19,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:20,006 INFO L124 PetriNetUnfolderBase]: 34/1125 cut-off events. [2025-03-13 22:24:20,007 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2025-03-13 22:24:20,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 1125 events. 34/1125 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5588 event pairs, 9 based on Foata normal form. 0/1055 useless extension candidates. Maximal degree in co-relation 1254. Up to 38 conditions per place. [2025-03-13 22:24:20,014 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2025-03-13 22:24:20,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 626 flow [2025-03-13 22:24:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2025-03-13 22:24:20,016 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2025-03-13 22:24:20,016 INFO L175 Difference]: Start difference. First operand has 295 places, 285 transitions, 599 flow. Second operand 3 states and 970 transitions. [2025-03-13 22:24:20,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 626 flow [2025-03-13 22:24:20,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:24:20,019 INFO L231 Difference]: Finished difference. Result has 290 places, 284 transitions, 601 flow [2025-03-13 22:24:20,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=290, PETRI_TRANSITIONS=284} [2025-03-13 22:24:20,020 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -29 predicate places. [2025-03-13 22:24:20,020 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 284 transitions, 601 flow [2025-03-13 22:24:20,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:20,021 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:20,021 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] [2025-03-13 22:24:20,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-13 22:24:20,021 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-13 22:24:20,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:20,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1294593431, now seen corresponding path program 1 times [2025-03-13 22:24:20,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:20,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236734919] [2025-03-13 22:24:20,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:20,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:20,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-13 22:24:20,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-13 22:24:20,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:20,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:20,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:20,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236734919] [2025-03-13 22:24:20,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236734919] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:20,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:20,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:20,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634864401] [2025-03-13 22:24:20,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:20,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:20,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:20,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:20,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:20,100 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2025-03-13 22:24:20,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 284 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:20,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:20,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2025-03-13 22:24:20,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:20,163 INFO L124 PetriNetUnfolderBase]: 28/906 cut-off events. [2025-03-13 22:24:20,163 INFO L125 PetriNetUnfolderBase]: For 30/33 co-relation queries the response was YES. [2025-03-13 22:24:20,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 906 events. 28/906 cut-off events. For 30/33 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4316 event pairs, 9 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 1027. Up to 48 conditions per place. [2025-03-13 22:24:20,168 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 0 selfloop transitions, 0 changer transitions 284/284 dead transitions. [2025-03-13 22:24:20,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 284 transitions, 628 flow [2025-03-13 22:24:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2025-03-13 22:24:20,170 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2025-03-13 22:24:20,170 INFO L175 Difference]: Start difference. First operand has 290 places, 284 transitions, 601 flow. Second operand 3 states and 970 transitions. [2025-03-13 22:24:20,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 284 transitions, 628 flow [2025-03-13 22:24:20,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:20,172 INFO L231 Difference]: Finished difference. Result has 289 places, 0 transitions, 0 flow [2025-03-13 22:24:20,172 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=289, PETRI_TRANSITIONS=0} [2025-03-13 22:24:20,173 INFO L279 CegarLoopForPetriNet]: 319 programPoint places, -30 predicate places. [2025-03-13 22:24:20,173 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 0 transitions, 0 flow [2025-03-13 22:24:20,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:24:20,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2025-03-13 22:24:20,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2025-03-13 22:24:20,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2025-03-13 22:24:20,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2025-03-13 22:24:20,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2025-03-13 22:24:20,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2025-03-13 22:24:20,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2025-03-13 22:24:20,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2025-03-13 22:24:20,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2025-03-13 22:24:20,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2025-03-13 22:24:20,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2025-03-13 22:24:20,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2025-03-13 22:24:20,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2025-03-13 22:24:20,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2025-03-13 22:24:20,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2025-03-13 22:24:20,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2025-03-13 22:24:20,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2025-03-13 22:24:20,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2025-03-13 22:24:20,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2025-03-13 22:24:20,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2025-03-13 22:24:20,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2025-03-13 22:24:20,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2025-03-13 22:24:20,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-13 22:24:20,180 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:24:20,184 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:24:20,184 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:24:20,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:24:20 BasicIcfg [2025-03-13 22:24:20,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:24:20,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:24:20,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:24:20,189 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:24:20,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:24:16" (3/4) ... [2025-03-13 22:24:20,191 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:24:20,193 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:24:20,193 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:24:20,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-13 22:24:20,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:24:20,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:24:20,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:24:20,259 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:24:20,260 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:24:20,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:24:20,261 INFO L158 Benchmark]: Toolchain (without parser) took 4537.52ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 112.0MB in the beginning and 128.1MB in the end (delta: -16.1MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2025-03-13 22:24:20,261 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory was 122.9MB in the beginning and 122.6MB in the end (delta: 294.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:24:20,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.97ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 99.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:24:20,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 97.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:24:20,264 INFO L158 Benchmark]: Boogie Preprocessor took 17.18ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.9MB in the end (delta: 895.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:24:20,264 INFO L158 Benchmark]: IcfgBuilder took 546.07ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 73.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-13 22:24:20,264 INFO L158 Benchmark]: TraceAbstraction took 3618.60ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 72.2MB in the beginning and 132.8MB in the end (delta: -60.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2025-03-13 22:24:20,265 INFO L158 Benchmark]: Witness Printer took 70.55ms. Allocated memory is still 218.1MB. Free memory was 132.8MB in the beginning and 128.1MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:24:20,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory was 122.9MB in the beginning and 122.6MB in the end (delta: 294.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.97ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 99.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 97.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.18ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.9MB in the end (delta: 895.9kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 546.07ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 73.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3618.60ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 72.2MB in the beginning and 132.8MB in the end (delta: -60.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 70.55ms. Allocated memory is still 218.1MB. Free memory was 132.8MB in the beginning and 128.1MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 525 locations, 51 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 563 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 592 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 99 mSDtfsCounter, 592 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1791 NumberOfCodeBlocks, 1791 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1771 ConstructedInterpolants, 0 QuantifiedInterpolants, 1811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:24:20,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE