./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-array-int-symm.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/chl-array-int-symm.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 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:22:35,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:22:35,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:22:35,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:22:35,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:22:35,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:22:35,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:22:35,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:22:35,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:22:35,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:22:35,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:22:35,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:22:35,847 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:22:35,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:22:35,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:22:35,849 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:22:35,849 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:22:35,849 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:22:35,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:22:35,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:22:35,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:22:35,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:22:35,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:22:35,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:22:35,850 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 -> 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 [2025-03-13 22:22:36,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:22:36,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:22:36,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:22:36,073 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:22:36,073 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:22:36,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2025-03-13 22:22:37,278 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93ca34f0/16a1346024174418b053472afc67e57d/FLAGcb6d75875 [2025-03-13 22:22:37,497 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:22:37,499 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2025-03-13 22:22:37,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93ca34f0/16a1346024174418b053472afc67e57d/FLAGcb6d75875 [2025-03-13 22:22:37,853 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93ca34f0/16a1346024174418b053472afc67e57d [2025-03-13 22:22:37,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:22:37,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:22:37,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:22:37,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:22:37,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:22:37,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:22:37" (1/1) ... [2025-03-13 22:22:37,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354d3774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:37, skipping insertion in model container [2025-03-13 22:22:37,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:22:37" (1/1) ... [2025-03-13 22:22:37,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:22:38,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:22:38,024 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:22:38,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:22:38,052 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:22:38,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38 WrapperNode [2025-03-13 22:22:38,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:22:38,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:22:38,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:22:38,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:22:38,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,085 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 343 [2025-03-13 22:22:38,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:22:38,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:22:38,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:22:38,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:22:38,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,115 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:22:38,123 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:22:38,123 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:22:38,124 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:22:38,124 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (1/1) ... [2025-03-13 22:22:38,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:22:38,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:22:38,157 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 22:22:38,160 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 22:22:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:22:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:22:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:22:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:22:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:22:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:22:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:22:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-13 22:22:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:22:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:22:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:22:38,178 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 22:22:38,252 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:22:38,254 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:22:38,732 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:22:38,733 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:22:38,733 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:22:38,757 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:22:38,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:22:38 BoogieIcfgContainer [2025-03-13 22:22:38,759 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:22:38,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:22:38,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:22:38,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:22:38,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:22:37" (1/3) ... [2025-03-13 22:22:38,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df67ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:22:38, skipping insertion in model container [2025-03-13 22:22:38,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:22:38" (2/3) ... [2025-03-13 22:22:38,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df67ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:22:38, skipping insertion in model container [2025-03-13 22:22:38,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:22:38" (3/3) ... [2025-03-13 22:22:38,767 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2025-03-13 22:22:38,778 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:22:38,780 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-array-int-symm.wvr.c that has 3 procedures, 434 locations, 1 initial locations, 4 loop locations, and 42 error locations. [2025-03-13 22:22:38,781 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:22:38,907 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:22:38,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 440 places, 457 transitions, 928 flow [2025-03-13 22:22:39,075 INFO L124 PetriNetUnfolderBase]: 24/455 cut-off events. [2025-03-13 22:22:39,077 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:22:39,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 455 events. 24/455 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 917 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 272. Up to 3 conditions per place. [2025-03-13 22:22:39,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 440 places, 457 transitions, 928 flow [2025-03-13 22:22:39,097 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 420 places, 435 transitions, 882 flow [2025-03-13 22:22:39,102 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:22:39,113 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;@3e3c42da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:22:39,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2025-03-13 22:22:39,118 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:22:39,118 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-13 22:22:39,118 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:22:39,118 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:39,119 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] [2025-03-13 22:22:39,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:39,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:39,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1988918833, now seen corresponding path program 1 times [2025-03-13 22:22:39,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:39,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385328954] [2025-03-13 22:22:39,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:39,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:39,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-13 22:22:39,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-13 22:22:39,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:39,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:39,241 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 22:22:39,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:39,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385328954] [2025-03-13 22:22:39,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385328954] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:39,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:39,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:39,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417084467] [2025-03-13 22:22:39,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:39,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:39,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:39,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:39,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:39,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 457 [2025-03-13 22:22:39,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 435 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 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 22:22:39,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:39,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 457 [2025-03-13 22:22:39,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:39,489 INFO L124 PetriNetUnfolderBase]: 27/762 cut-off events. [2025-03-13 22:22:39,489 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-13 22:22:39,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 808 conditions, 762 events. 27/762 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2931 event pairs, 8 based on Foata normal form. 16/658 useless extension candidates. Maximal degree in co-relation 591. Up to 29 conditions per place. [2025-03-13 22:22:39,498 INFO L140 encePairwiseOnDemand]: 442/457 looper letters, 12 selfloop transitions, 2 changer transitions 6/422 dead transitions. [2025-03-13 22:22:39,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 422 transitions, 884 flow [2025-03-13 22:22:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2025-03-13 22:22:39,515 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9540481400437637 [2025-03-13 22:22:39,518 INFO L175 Difference]: Start difference. First operand has 420 places, 435 transitions, 882 flow. Second operand 3 states and 1308 transitions. [2025-03-13 22:22:39,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 422 transitions, 884 flow [2025-03-13 22:22:39,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 422 transitions, 876 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-13 22:22:39,532 INFO L231 Difference]: Finished difference. Result has 417 places, 416 transitions, 840 flow [2025-03-13 22:22:39,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=417, PETRI_TRANSITIONS=416} [2025-03-13 22:22:39,540 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -3 predicate places. [2025-03-13 22:22:39,540 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 416 transitions, 840 flow [2025-03-13 22:22:39,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 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 22:22:39,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:39,541 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] [2025-03-13 22:22:39,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:22:39,542 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:39,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:39,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1306738378, now seen corresponding path program 1 times [2025-03-13 22:22:39,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:39,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939798586] [2025-03-13 22:22:39,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:39,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:39,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-13 22:22:39,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-13 22:22:39,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:39,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:39,600 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 22:22:39,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:39,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939798586] [2025-03-13 22:22:39,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939798586] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:39,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:39,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:39,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701027716] [2025-03-13 22:22:39,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:39,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:39,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:39,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:39,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:39,630 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 457 [2025-03-13 22:22:39,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 416 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 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 22:22:39,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:39,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 457 [2025-03-13 22:22:39,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:39,745 INFO L124 PetriNetUnfolderBase]: 27/746 cut-off events. [2025-03-13 22:22:39,745 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:22:39,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 746 events. 27/746 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2888 event pairs, 8 based on Foata normal form. 0/637 useless extension candidates. Maximal degree in co-relation 755. Up to 29 conditions per place. [2025-03-13 22:22:39,749 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 12 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2025-03-13 22:22:39,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 415 transitions, 866 flow [2025-03-13 22:22:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:39,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2025-03-13 22:22:39,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9452954048140044 [2025-03-13 22:22:39,751 INFO L175 Difference]: Start difference. First operand has 417 places, 416 transitions, 840 flow. Second operand 3 states and 1296 transitions. [2025-03-13 22:22:39,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 415 transitions, 866 flow [2025-03-13 22:22:39,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 415 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:39,757 INFO L231 Difference]: Finished difference. Result has 410 places, 415 transitions, 838 flow [2025-03-13 22:22:39,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=410, PETRI_TRANSITIONS=415} [2025-03-13 22:22:39,758 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -10 predicate places. [2025-03-13 22:22:39,758 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 415 transitions, 838 flow [2025-03-13 22:22:39,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 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 22:22:39,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:39,759 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:39,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:22:39,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:39,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:39,760 INFO L85 PathProgramCache]: Analyzing trace with hash -405295681, now seen corresponding path program 1 times [2025-03-13 22:22:39,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:39,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946027049] [2025-03-13 22:22:39,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:39,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:39,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-13 22:22:39,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-13 22:22:39,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:39,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:39,801 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 22:22:39,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:39,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946027049] [2025-03-13 22:22:39,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946027049] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:39,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:39,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:39,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206589876] [2025-03-13 22:22:39,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:39,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:39,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:39,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:39,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:39,828 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 457 [2025-03-13 22:22:39,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 415 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 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 22:22:39,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:39,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 457 [2025-03-13 22:22:39,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:39,976 INFO L124 PetriNetUnfolderBase]: 62/1354 cut-off events. [2025-03-13 22:22:39,977 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-13 22:22:39,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 1354 events. 62/1354 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7800 event pairs, 24 based on Foata normal form. 0/1156 useless extension candidates. Maximal degree in co-relation 1395. Up to 67 conditions per place. [2025-03-13 22:22:39,984 INFO L140 encePairwiseOnDemand]: 451/457 looper letters, 14 selfloop transitions, 1 changer transitions 0/410 dead transitions. [2025-03-13 22:22:39,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 410 transitions, 858 flow [2025-03-13 22:22:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:39,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2025-03-13 22:22:39,990 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9401896425966448 [2025-03-13 22:22:39,991 INFO L175 Difference]: Start difference. First operand has 410 places, 415 transitions, 838 flow. Second operand 3 states and 1289 transitions. [2025-03-13 22:22:39,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 410 transitions, 858 flow [2025-03-13 22:22:39,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 410 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:39,996 INFO L231 Difference]: Finished difference. Result has 405 places, 410 transitions, 826 flow [2025-03-13 22:22:39,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=405, PETRI_TRANSITIONS=410} [2025-03-13 22:22:39,997 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -15 predicate places. [2025-03-13 22:22:39,997 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 410 transitions, 826 flow [2025-03-13 22:22:39,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 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 22:22:39,999 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:39,999 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] [2025-03-13 22:22:39,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:22:39,999 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:40,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:40,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2090748116, now seen corresponding path program 1 times [2025-03-13 22:22:40,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:40,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248078220] [2025-03-13 22:22:40,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:40,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:40,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-13 22:22:40,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-13 22:22:40,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:40,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:40,564 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 22:22:40,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:40,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248078220] [2025-03-13 22:22:40,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248078220] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:40,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:40,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:22:40,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142173829] [2025-03-13 22:22:40,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:40,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:22:40,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:40,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:22:40,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:22:40,811 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 457 [2025-03-13 22:22:40,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 410 transitions, 826 flow. Second operand has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 0 states have call successors, (0), 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 22:22:40,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:40,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 457 [2025-03-13 22:22:40,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:41,163 INFO L124 PetriNetUnfolderBase]: 393/2924 cut-off events. [2025-03-13 22:22:41,163 INFO L125 PetriNetUnfolderBase]: For 46/47 co-relation queries the response was YES. [2025-03-13 22:22:41,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3646 conditions, 2924 events. 393/2924 cut-off events. For 46/47 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 22509 event pairs, 288 based on Foata normal form. 0/2523 useless extension candidates. Maximal degree in co-relation 3609. Up to 691 conditions per place. [2025-03-13 22:22:41,178 INFO L140 encePairwiseOnDemand]: 445/457 looper letters, 52 selfloop transitions, 10 changer transitions 0/408 dead transitions. [2025-03-13 22:22:41,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 408 transitions, 946 flow [2025-03-13 22:22:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:22:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:22:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2338 transitions. [2025-03-13 22:22:41,182 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8526622902990518 [2025-03-13 22:22:41,182 INFO L175 Difference]: Start difference. First operand has 405 places, 410 transitions, 826 flow. Second operand 6 states and 2338 transitions. [2025-03-13 22:22:41,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 408 transitions, 946 flow [2025-03-13 22:22:41,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 408 transitions, 945 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:41,187 INFO L231 Difference]: Finished difference. Result has 407 places, 408 transitions, 841 flow [2025-03-13 22:22:41,188 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=841, PETRI_PLACES=407, PETRI_TRANSITIONS=408} [2025-03-13 22:22:41,189 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -13 predicate places. [2025-03-13 22:22:41,189 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 408 transitions, 841 flow [2025-03-13 22:22:41,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 0 states have call successors, (0), 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 22:22:41,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:41,190 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] [2025-03-13 22:22:41,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:22:41,191 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:41,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:41,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1221293673, now seen corresponding path program 1 times [2025-03-13 22:22:41,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:41,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187965483] [2025-03-13 22:22:41,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:41,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:41,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-13 22:22:41,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-13 22:22:41,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:41,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:41,223 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 22:22:41,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:41,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187965483] [2025-03-13 22:22:41,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187965483] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:41,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:41,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:41,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034202612] [2025-03-13 22:22:41,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:41,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:41,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:41,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:41,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:41,244 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 457 [2025-03-13 22:22:41,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 408 transitions, 841 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 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 22:22:41,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:41,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 457 [2025-03-13 22:22:41,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:41,307 INFO L124 PetriNetUnfolderBase]: 24/643 cut-off events. [2025-03-13 22:22:41,308 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-13 22:22:41,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 643 events. 24/643 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2166 event pairs, 8 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 657. Up to 28 conditions per place. [2025-03-13 22:22:41,312 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 11 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2025-03-13 22:22:41,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 407 transitions, 865 flow [2025-03-13 22:22:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2025-03-13 22:22:41,315 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9467541940189642 [2025-03-13 22:22:41,315 INFO L175 Difference]: Start difference. First operand has 407 places, 408 transitions, 841 flow. Second operand 3 states and 1298 transitions. [2025-03-13 22:22:41,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 407 transitions, 865 flow [2025-03-13 22:22:41,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 407 transitions, 845 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:22:41,322 INFO L231 Difference]: Finished difference. Result has 403 places, 407 transitions, 823 flow [2025-03-13 22:22:41,322 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=403, PETRI_TRANSITIONS=407} [2025-03-13 22:22:41,324 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -17 predicate places. [2025-03-13 22:22:41,324 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 407 transitions, 823 flow [2025-03-13 22:22:41,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 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 22:22:41,325 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:41,325 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] [2025-03-13 22:22:41,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:22:41,325 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:41,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:41,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1857329254, now seen corresponding path program 1 times [2025-03-13 22:22:41,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:41,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360995159] [2025-03-13 22:22:41,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:41,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:41,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-13 22:22:41,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-13 22:22:41,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:41,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:41,360 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 22:22:41,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:41,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360995159] [2025-03-13 22:22:41,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360995159] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:41,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:41,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:41,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721935819] [2025-03-13 22:22:41,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:41,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:41,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:41,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:41,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:41,388 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 457 [2025-03-13 22:22:41,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 407 transitions, 823 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 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 22:22:41,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:41,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 457 [2025-03-13 22:22:41,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:41,498 INFO L124 PetriNetUnfolderBase]: 65/1347 cut-off events. [2025-03-13 22:22:41,498 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-13 22:22:41,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 1347 events. 65/1347 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7672 event pairs, 24 based on Foata normal form. 0/1169 useless extension candidates. Maximal degree in co-relation 1391. Up to 69 conditions per place. [2025-03-13 22:22:41,507 INFO L140 encePairwiseOnDemand]: 451/457 looper letters, 14 selfloop transitions, 1 changer transitions 0/402 dead transitions. [2025-03-13 22:22:41,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 402 transitions, 843 flow [2025-03-13 22:22:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2025-03-13 22:22:41,509 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9401896425966448 [2025-03-13 22:22:41,509 INFO L175 Difference]: Start difference. First operand has 403 places, 407 transitions, 823 flow. Second operand 3 states and 1289 transitions. [2025-03-13 22:22:41,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 402 transitions, 843 flow [2025-03-13 22:22:41,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 402 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:41,513 INFO L231 Difference]: Finished difference. Result has 398 places, 402 transitions, 811 flow [2025-03-13 22:22:41,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=398, PETRI_TRANSITIONS=402} [2025-03-13 22:22:41,518 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -22 predicate places. [2025-03-13 22:22:41,518 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 402 transitions, 811 flow [2025-03-13 22:22:41,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 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 22:22:41,518 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:41,519 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] [2025-03-13 22:22:41,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:22:41,519 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:41,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:41,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1274785333, now seen corresponding path program 1 times [2025-03-13 22:22:41,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:41,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425579214] [2025-03-13 22:22:41,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:41,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-13 22:22:41,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-13 22:22:41,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:41,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:22:41,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:41,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425579214] [2025-03-13 22:22:41,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425579214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:41,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:41,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:41,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558278865] [2025-03-13 22:22:41,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:41,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:41,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:41,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:41,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:41,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 457 [2025-03-13 22:22:41,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 402 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 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 22:22:41,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:41,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 457 [2025-03-13 22:22:41,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:41,629 INFO L124 PetriNetUnfolderBase]: 24/633 cut-off events. [2025-03-13 22:22:41,629 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-13 22:22:41,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 633 events. 24/633 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2032 event pairs, 8 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 633. Up to 28 conditions per place. [2025-03-13 22:22:41,633 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2025-03-13 22:22:41,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 401 transitions, 835 flow [2025-03-13 22:22:41,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2025-03-13 22:22:41,635 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9467541940189642 [2025-03-13 22:22:41,635 INFO L175 Difference]: Start difference. First operand has 398 places, 402 transitions, 811 flow. Second operand 3 states and 1298 transitions. [2025-03-13 22:22:41,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 401 transitions, 835 flow [2025-03-13 22:22:41,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 401 transitions, 834 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:41,640 INFO L231 Difference]: Finished difference. Result has 398 places, 401 transitions, 812 flow [2025-03-13 22:22:41,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=398, PETRI_TRANSITIONS=401} [2025-03-13 22:22:41,641 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -22 predicate places. [2025-03-13 22:22:41,641 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 401 transitions, 812 flow [2025-03-13 22:22:41,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 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 22:22:41,641 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:41,642 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:41,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:22:41,642 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:41,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1235435109, now seen corresponding path program 1 times [2025-03-13 22:22:41,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:41,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074852339] [2025-03-13 22:22:41,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:41,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:41,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-13 22:22:41,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-13 22:22:41,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:41,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:41,692 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 22:22:41,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:41,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074852339] [2025-03-13 22:22:41,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074852339] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:41,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:41,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:41,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144365222] [2025-03-13 22:22:41,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:41,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:41,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:41,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:41,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:41,726 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 457 [2025-03-13 22:22:41,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 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 22:22:41,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:41,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 457 [2025-03-13 22:22:41,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:41,774 INFO L124 PetriNetUnfolderBase]: 21/615 cut-off events. [2025-03-13 22:22:41,774 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2025-03-13 22:22:41,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 615 events. 21/615 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2001 event pairs, 3 based on Foata normal form. 1/548 useless extension candidates. Maximal degree in co-relation 614. Up to 17 conditions per place. [2025-03-13 22:22:41,777 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2025-03-13 22:22:41,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 401 transitions, 839 flow [2025-03-13 22:22:41,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2025-03-13 22:22:41,781 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9511305616338439 [2025-03-13 22:22:41,781 INFO L175 Difference]: Start difference. First operand has 398 places, 401 transitions, 812 flow. Second operand 3 states and 1304 transitions. [2025-03-13 22:22:41,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 401 transitions, 839 flow [2025-03-13 22:22:41,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 401 transitions, 835 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:41,787 INFO L231 Difference]: Finished difference. Result has 397 places, 400 transitions, 810 flow [2025-03-13 22:22:41,788 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=397, PETRI_TRANSITIONS=400} [2025-03-13 22:22:41,790 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -23 predicate places. [2025-03-13 22:22:41,790 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 400 transitions, 810 flow [2025-03-13 22:22:41,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 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 22:22:41,791 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:41,791 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] [2025-03-13 22:22:41,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:22:41,791 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:41,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:41,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2124406037, now seen corresponding path program 1 times [2025-03-13 22:22:41,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:41,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564418316] [2025-03-13 22:22:41,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:41,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:41,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-13 22:22:41,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-13 22:22:41,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:41,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:41,838 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 22:22:41,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:41,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564418316] [2025-03-13 22:22:41,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564418316] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:41,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:41,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:41,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925712629] [2025-03-13 22:22:41,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:41,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:41,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:41,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:41,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:41,866 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 457 [2025-03-13 22:22:41,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 400 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 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 22:22:41,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:41,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 457 [2025-03-13 22:22:41,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:41,906 INFO L124 PetriNetUnfolderBase]: 18/504 cut-off events. [2025-03-13 22:22:41,907 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2025-03-13 22:22:41,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 504 events. 18/504 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1282 event pairs, 3 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 498. Up to 17 conditions per place. [2025-03-13 22:22:41,909 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 11 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2025-03-13 22:22:41,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 400 transitions, 837 flow [2025-03-13 22:22:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2025-03-13 22:22:41,912 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9511305616338439 [2025-03-13 22:22:41,912 INFO L175 Difference]: Start difference. First operand has 397 places, 400 transitions, 810 flow. Second operand 3 states and 1304 transitions. [2025-03-13 22:22:41,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 400 transitions, 837 flow [2025-03-13 22:22:41,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 400 transitions, 833 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:41,916 INFO L231 Difference]: Finished difference. Result has 396 places, 399 transitions, 808 flow [2025-03-13 22:22:41,916 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=808, PETRI_PLACES=396, PETRI_TRANSITIONS=399} [2025-03-13 22:22:41,916 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -24 predicate places. [2025-03-13 22:22:41,917 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 399 transitions, 808 flow [2025-03-13 22:22:41,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 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 22:22:41,917 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:41,917 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] [2025-03-13 22:22:41,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 22:22:41,917 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:41,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:41,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1416488519, now seen corresponding path program 1 times [2025-03-13 22:22:41,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:41,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491664958] [2025-03-13 22:22:41,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:41,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:41,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-13 22:22:41,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-13 22:22:41,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:41,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:41,946 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 22:22:41,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:41,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491664958] [2025-03-13 22:22:41,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491664958] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:41,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:41,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:22:41,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396292208] [2025-03-13 22:22:41,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:41,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:41,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:41,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:41,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:41,953 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 457 [2025-03-13 22:22:41,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 399 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 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 22:22:41,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:41,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 457 [2025-03-13 22:22:41,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:42,000 INFO L124 PetriNetUnfolderBase]: 24/615 cut-off events. [2025-03-13 22:22:42,000 INFO L125 PetriNetUnfolderBase]: For 2/10 co-relation queries the response was YES. [2025-03-13 22:22:42,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 615 events. 24/615 cut-off events. For 2/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1954 event pairs, 6 based on Foata normal form. 1/550 useless extension candidates. Maximal degree in co-relation 628. Up to 24 conditions per place. [2025-03-13 22:22:42,006 INFO L140 encePairwiseOnDemand]: 453/457 looper letters, 11 selfloop transitions, 3 changer transitions 0/401 dead transitions. [2025-03-13 22:22:42,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 401 transitions, 841 flow [2025-03-13 22:22:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2025-03-13 22:22:42,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9540481400437637 [2025-03-13 22:22:42,008 INFO L175 Difference]: Start difference. First operand has 396 places, 399 transitions, 808 flow. Second operand 3 states and 1308 transitions. [2025-03-13 22:22:42,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 401 transitions, 841 flow [2025-03-13 22:22:42,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 401 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:42,016 INFO L231 Difference]: Finished difference. Result has 398 places, 400 transitions, 822 flow [2025-03-13 22:22:42,016 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=398, PETRI_TRANSITIONS=400} [2025-03-13 22:22:42,017 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -22 predicate places. [2025-03-13 22:22:42,017 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 400 transitions, 822 flow [2025-03-13 22:22:42,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 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 22:22:42,018 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:42,018 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] [2025-03-13 22:22:42,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-13 22:22:42,018 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:42,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:42,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2132041132, now seen corresponding path program 1 times [2025-03-13 22:22:42,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:42,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866142755] [2025-03-13 22:22:42,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:42,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:42,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-13 22:22:42,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-13 22:22:42,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:42,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:42,064 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 22:22:42,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:42,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866142755] [2025-03-13 22:22:42,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866142755] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:42,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:42,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:42,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854968342] [2025-03-13 22:22:42,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:42,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:42,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:42,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:42,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:42,081 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 457 [2025-03-13 22:22:42,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 400 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 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 22:22:42,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:42,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 457 [2025-03-13 22:22:42,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:42,174 INFO L124 PetriNetUnfolderBase]: 69/1225 cut-off events. [2025-03-13 22:22:42,175 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2025-03-13 22:22:42,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 1225 events. 69/1225 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6622 event pairs, 12 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 1315. Up to 79 conditions per place. [2025-03-13 22:22:42,185 INFO L140 encePairwiseOnDemand]: 451/457 looper letters, 16 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2025-03-13 22:22:42,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 401 transitions, 863 flow [2025-03-13 22:22:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2025-03-13 22:22:42,187 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9482129832239241 [2025-03-13 22:22:42,188 INFO L175 Difference]: Start difference. First operand has 398 places, 400 transitions, 822 flow. Second operand 3 states and 1300 transitions. [2025-03-13 22:22:42,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 401 transitions, 863 flow [2025-03-13 22:22:42,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 401 transitions, 857 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:42,205 INFO L231 Difference]: Finished difference. Result has 395 places, 398 transitions, 822 flow [2025-03-13 22:22:42,206 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=395, PETRI_TRANSITIONS=398} [2025-03-13 22:22:42,206 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -25 predicate places. [2025-03-13 22:22:42,206 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 398 transitions, 822 flow [2025-03-13 22:22:42,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 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 22:22:42,207 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:42,207 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 22:22:42,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-13 22:22:42,207 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:42,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1178619895, now seen corresponding path program 1 times [2025-03-13 22:22:42,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:42,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586614295] [2025-03-13 22:22:42,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:42,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:42,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-13 22:22:42,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-13 22:22:42,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:42,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:42,394 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 22:22:42,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:42,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586614295] [2025-03-13 22:22:42,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586614295] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:42,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:42,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-13 22:22:42,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864951028] [2025-03-13 22:22:42,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:42,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-13 22:22:42,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:42,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-13 22:22:42,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-13 22:22:42,728 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 457 [2025-03-13 22:22:42,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 398 transitions, 822 flow. Second operand has 8 states, 8 states have (on average 412.125) internal successors, (3297), 8 states have internal predecessors, (3297), 0 states have call successors, (0), 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 22:22:42,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:42,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 457 [2025-03-13 22:22:42,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:42,925 INFO L124 PetriNetUnfolderBase]: 65/1275 cut-off events. [2025-03-13 22:22:42,925 INFO L125 PetriNetUnfolderBase]: For 7/19 co-relation queries the response was YES. [2025-03-13 22:22:42,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 1275 events. 65/1275 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6561 event pairs, 15 based on Foata normal form. 3/1156 useless extension candidates. Maximal degree in co-relation 1453. Up to 70 conditions per place. [2025-03-13 22:22:42,931 INFO L140 encePairwiseOnDemand]: 441/457 looper letters, 43 selfloop transitions, 18 changer transitions 0/424 dead transitions. [2025-03-13 22:22:42,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 424 transitions, 1009 flow [2025-03-13 22:22:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-13 22:22:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-13 22:22:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4970 transitions. [2025-03-13 22:22:42,938 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9062727935813275 [2025-03-13 22:22:42,939 INFO L175 Difference]: Start difference. First operand has 395 places, 398 transitions, 822 flow. Second operand 12 states and 4970 transitions. [2025-03-13 22:22:42,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 424 transitions, 1009 flow [2025-03-13 22:22:42,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 424 transitions, 1009 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:22:42,943 INFO L231 Difference]: Finished difference. Result has 412 places, 407 transitions, 915 flow [2025-03-13 22:22:42,944 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=915, PETRI_PLACES=412, PETRI_TRANSITIONS=407} [2025-03-13 22:22:42,944 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -8 predicate places. [2025-03-13 22:22:42,944 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 407 transitions, 915 flow [2025-03-13 22:22:42,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.125) internal successors, (3297), 8 states have internal predecessors, (3297), 0 states have call successors, (0), 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 22:22:42,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:42,946 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] [2025-03-13 22:22:42,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-13 22:22:42,946 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:42,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:42,947 INFO L85 PathProgramCache]: Analyzing trace with hash 498497591, now seen corresponding path program 1 times [2025-03-13 22:22:42,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:42,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680367434] [2025-03-13 22:22:42,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:42,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:42,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-13 22:22:42,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-13 22:22:42,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:42,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:42,982 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 22:22:42,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:42,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680367434] [2025-03-13 22:22:42,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680367434] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:42,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:42,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:22:42,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24558778] [2025-03-13 22:22:42,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:42,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:42,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:42,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:42,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:42,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 457 [2025-03-13 22:22:42,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 407 transitions, 915 flow. Second operand has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 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 22:22:42,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:42,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 457 [2025-03-13 22:22:42,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:43,093 INFO L124 PetriNetUnfolderBase]: 86/1151 cut-off events. [2025-03-13 22:22:43,093 INFO L125 PetriNetUnfolderBase]: For 72/75 co-relation queries the response was YES. [2025-03-13 22:22:43,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 1151 events. 86/1151 cut-off events. For 72/75 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6133 event pairs, 24 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 1340. Up to 98 conditions per place. [2025-03-13 22:22:43,098 INFO L140 encePairwiseOnDemand]: 453/457 looper letters, 11 selfloop transitions, 3 changer transitions 0/409 dead transitions. [2025-03-13 22:22:43,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 409 transitions, 948 flow [2025-03-13 22:22:43,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2025-03-13 22:22:43,101 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9540481400437637 [2025-03-13 22:22:43,101 INFO L175 Difference]: Start difference. First operand has 412 places, 407 transitions, 915 flow. Second operand 3 states and 1308 transitions. [2025-03-13 22:22:43,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 409 transitions, 948 flow [2025-03-13 22:22:43,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 409 transitions, 948 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:22:43,107 INFO L231 Difference]: Finished difference. Result has 416 places, 408 transitions, 933 flow [2025-03-13 22:22:43,108 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=933, PETRI_PLACES=416, PETRI_TRANSITIONS=408} [2025-03-13 22:22:43,108 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -4 predicate places. [2025-03-13 22:22:43,108 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 408 transitions, 933 flow [2025-03-13 22:22:43,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 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 22:22:43,109 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:43,110 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] [2025-03-13 22:22:43,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-13 22:22:43,110 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:43,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:43,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1404534691, now seen corresponding path program 1 times [2025-03-13 22:22:43,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:43,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739762591] [2025-03-13 22:22:43,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:43,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:43,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-13 22:22:43,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-13 22:22:43,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:43,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:43,259 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 22:22:43,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:43,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739762591] [2025-03-13 22:22:43,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739762591] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:43,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-13 22:22:43,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128950202] [2025-03-13 22:22:43,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:43,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-13 22:22:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:43,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-13 22:22:43,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-13 22:22:43,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 457 [2025-03-13 22:22:43,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 408 transitions, 933 flow. Second operand has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 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 22:22:43,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:43,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 457 [2025-03-13 22:22:43,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:43,782 INFO L124 PetriNetUnfolderBase]: 68/917 cut-off events. [2025-03-13 22:22:43,782 INFO L125 PetriNetUnfolderBase]: For 84/87 co-relation queries the response was YES. [2025-03-13 22:22:43,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1201 conditions, 917 events. 68/917 cut-off events. For 84/87 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4072 event pairs, 20 based on Foata normal form. 2/847 useless extension candidates. Maximal degree in co-relation 1149. Up to 105 conditions per place. [2025-03-13 22:22:43,788 INFO L140 encePairwiseOnDemand]: 443/457 looper letters, 45 selfloop transitions, 15 changer transitions 0/428 dead transitions. [2025-03-13 22:22:43,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 428 transitions, 1109 flow [2025-03-13 22:22:43,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-13 22:22:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-13 22:22:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4559 transitions. [2025-03-13 22:22:43,794 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069027252834693 [2025-03-13 22:22:43,795 INFO L175 Difference]: Start difference. First operand has 416 places, 408 transitions, 933 flow. Second operand 11 states and 4559 transitions. [2025-03-13 22:22:43,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 428 transitions, 1109 flow [2025-03-13 22:22:43,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 428 transitions, 1099 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:43,801 INFO L231 Difference]: Finished difference. Result has 427 places, 411 transitions, 982 flow [2025-03-13 22:22:43,801 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=982, PETRI_PLACES=427, PETRI_TRANSITIONS=411} [2025-03-13 22:22:43,802 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 7 predicate places. [2025-03-13 22:22:43,802 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 411 transitions, 982 flow [2025-03-13 22:22:43,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 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 22:22:43,803 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:43,803 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] [2025-03-13 22:22:43,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-13 22:22:43,803 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:43,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:43,804 INFO L85 PathProgramCache]: Analyzing trace with hash 232542745, now seen corresponding path program 1 times [2025-03-13 22:22:43,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:43,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959167624] [2025-03-13 22:22:43,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:43,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:43,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-13 22:22:43,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-13 22:22:43,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:43,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:22:43,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:43,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959167624] [2025-03-13 22:22:43,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959167624] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:43,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:43,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-13 22:22:43,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335553983] [2025-03-13 22:22:43,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:43,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-13 22:22:43,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:43,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-13 22:22:43,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-13 22:22:44,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 457 [2025-03-13 22:22:44,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 411 transitions, 982 flow. Second operand has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 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 22:22:44,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:44,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 457 [2025-03-13 22:22:44,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:44,543 INFO L124 PetriNetUnfolderBase]: 75/1344 cut-off events. [2025-03-13 22:22:44,544 INFO L125 PetriNetUnfolderBase]: For 109/127 co-relation queries the response was YES. [2025-03-13 22:22:44,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1820 conditions, 1344 events. 75/1344 cut-off events. For 109/127 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6850 event pairs, 23 based on Foata normal form. 4/1249 useless extension candidates. Maximal degree in co-relation 1762. Up to 114 conditions per place. [2025-03-13 22:22:44,552 INFO L140 encePairwiseOnDemand]: 442/457 looper letters, 48 selfloop transitions, 19 changer transitions 0/434 dead transitions. [2025-03-13 22:22:44,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 434 transitions, 1209 flow [2025-03-13 22:22:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-13 22:22:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-13 22:22:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4552 transitions. [2025-03-13 22:22:44,558 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9055102446787349 [2025-03-13 22:22:44,558 INFO L175 Difference]: Start difference. First operand has 427 places, 411 transitions, 982 flow. Second operand 11 states and 4552 transitions. [2025-03-13 22:22:44,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 434 transitions, 1209 flow [2025-03-13 22:22:44,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 434 transitions, 1188 flow, removed 0 selfloop flow, removed 7 redundant places. [2025-03-13 22:22:44,564 INFO L231 Difference]: Finished difference. Result has 435 places, 423 transitions, 1093 flow [2025-03-13 22:22:44,565 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1093, PETRI_PLACES=435, PETRI_TRANSITIONS=423} [2025-03-13 22:22:44,565 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 15 predicate places. [2025-03-13 22:22:44,565 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 423 transitions, 1093 flow [2025-03-13 22:22:44,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 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 22:22:44,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:44,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:44,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-13 22:22:44,567 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:44,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:44,567 INFO L85 PathProgramCache]: Analyzing trace with hash 569303295, now seen corresponding path program 1 times [2025-03-13 22:22:44,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:44,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001297952] [2025-03-13 22:22:44,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:44,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:44,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-13 22:22:44,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-13 22:22:44,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:44,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:44,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:22:44,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:44,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001297952] [2025-03-13 22:22:44,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001297952] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:44,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:44,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-13 22:22:44,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999875710] [2025-03-13 22:22:44,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:44,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-13 22:22:44,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:44,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-13 22:22:44,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-13 22:22:45,000 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 457 [2025-03-13 22:22:45,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 423 transitions, 1093 flow. Second operand has 8 states, 8 states have (on average 412.375) internal successors, (3299), 8 states have internal predecessors, (3299), 0 states have call successors, (0), 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 22:22:45,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:45,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 457 [2025-03-13 22:22:45,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:45,204 INFO L124 PetriNetUnfolderBase]: 87/1207 cut-off events. [2025-03-13 22:22:45,205 INFO L125 PetriNetUnfolderBase]: For 204/209 co-relation queries the response was YES. [2025-03-13 22:22:45,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1690 conditions, 1207 events. 87/1207 cut-off events. For 204/209 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6228 event pairs, 23 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 1625. Up to 101 conditions per place. [2025-03-13 22:22:45,215 INFO L140 encePairwiseOnDemand]: 441/457 looper letters, 44 selfloop transitions, 22 changer transitions 0/441 dead transitions. [2025-03-13 22:22:45,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 441 transitions, 1298 flow [2025-03-13 22:22:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-13 22:22:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-13 22:22:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4963 transitions. [2025-03-13 22:22:45,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9049963530269876 [2025-03-13 22:22:45,226 INFO L175 Difference]: Start difference. First operand has 435 places, 423 transitions, 1093 flow. Second operand 12 states and 4963 transitions. [2025-03-13 22:22:45,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 441 transitions, 1298 flow [2025-03-13 22:22:45,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 441 transitions, 1294 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:45,233 INFO L231 Difference]: Finished difference. Result has 449 places, 430 transitions, 1200 flow [2025-03-13 22:22:45,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=1089, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1200, PETRI_PLACES=449, PETRI_TRANSITIONS=430} [2025-03-13 22:22:45,233 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 29 predicate places. [2025-03-13 22:22:45,234 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 430 transitions, 1200 flow [2025-03-13 22:22:45,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.375) internal successors, (3299), 8 states have internal predecessors, (3299), 0 states have call successors, (0), 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 22:22:45,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:45,235 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] [2025-03-13 22:22:45,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-13 22:22:45,235 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:45,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:45,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1182774204, now seen corresponding path program 1 times [2025-03-13 22:22:45,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:45,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334484297] [2025-03-13 22:22:45,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:45,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:45,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-13 22:22:45,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-13 22:22:45,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:45,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:45,281 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 22:22:45,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:45,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334484297] [2025-03-13 22:22:45,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334484297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:45,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:45,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:45,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909549491] [2025-03-13 22:22:45,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:45,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:45,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:45,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:45,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:45,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 457 [2025-03-13 22:22:45,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 430 transitions, 1200 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 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 22:22:45,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:45,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 457 [2025-03-13 22:22:45,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:45,417 INFO L124 PetriNetUnfolderBase]: 43/1283 cut-off events. [2025-03-13 22:22:45,417 INFO L125 PetriNetUnfolderBase]: For 219/230 co-relation queries the response was YES. [2025-03-13 22:22:45,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1752 conditions, 1283 events. 43/1283 cut-off events. For 219/230 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5431 event pairs, 5 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 1683. Up to 36 conditions per place. [2025-03-13 22:22:45,425 INFO L140 encePairwiseOnDemand]: 453/457 looper letters, 11 selfloop transitions, 1 changer transitions 0/427 dead transitions. [2025-03-13 22:22:45,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 427 transitions, 1218 flow [2025-03-13 22:22:45,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2025-03-13 22:22:45,427 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9474835886214442 [2025-03-13 22:22:45,427 INFO L175 Difference]: Start difference. First operand has 449 places, 430 transitions, 1200 flow. Second operand 3 states and 1299 transitions. [2025-03-13 22:22:45,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 427 transitions, 1218 flow [2025-03-13 22:22:45,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 427 transitions, 1201 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-13 22:22:45,434 INFO L231 Difference]: Finished difference. Result has 442 places, 427 transitions, 1179 flow [2025-03-13 22:22:45,435 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=1177, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1179, PETRI_PLACES=442, PETRI_TRANSITIONS=427} [2025-03-13 22:22:45,435 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 22 predicate places. [2025-03-13 22:22:45,435 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 427 transitions, 1179 flow [2025-03-13 22:22:45,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 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 22:22:45,436 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:45,436 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] [2025-03-13 22:22:45,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-13 22:22:45,437 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:45,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:45,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1397012916, now seen corresponding path program 1 times [2025-03-13 22:22:45,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:45,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640747184] [2025-03-13 22:22:45,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:45,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:45,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-13 22:22:45,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-13 22:22:45,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:45,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:45,470 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 22:22:45,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:45,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640747184] [2025-03-13 22:22:45,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640747184] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:45,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:45,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:45,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474951822] [2025-03-13 22:22:45,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:45,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:45,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:45,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:45,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:45,484 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 457 [2025-03-13 22:22:45,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 427 transitions, 1179 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 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 22:22:45,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:45,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 457 [2025-03-13 22:22:45,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:45,605 INFO L124 PetriNetUnfolderBase]: 46/1243 cut-off events. [2025-03-13 22:22:45,605 INFO L125 PetriNetUnfolderBase]: For 193/198 co-relation queries the response was YES. [2025-03-13 22:22:45,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1674 conditions, 1243 events. 46/1243 cut-off events. For 193/198 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5773 event pairs, 6 based on Foata normal form. 5/1187 useless extension candidates. Maximal degree in co-relation 1604. Up to 38 conditions per place. [2025-03-13 22:22:45,612 INFO L140 encePairwiseOnDemand]: 451/457 looper letters, 5 selfloop transitions, 0 changer transitions 67/426 dead transitions. [2025-03-13 22:22:45,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 426 transitions, 1203 flow [2025-03-13 22:22:45,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2025-03-13 22:22:45,614 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9482129832239241 [2025-03-13 22:22:45,614 INFO L175 Difference]: Start difference. First operand has 442 places, 427 transitions, 1179 flow. Second operand 3 states and 1300 transitions. [2025-03-13 22:22:45,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 426 transitions, 1203 flow [2025-03-13 22:22:45,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 426 transitions, 1202 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:22:45,621 INFO L231 Difference]: Finished difference. Result has 440 places, 359 transitions, 869 flow [2025-03-13 22:22:45,621 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=1172, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=869, PETRI_PLACES=440, PETRI_TRANSITIONS=359} [2025-03-13 22:22:45,621 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 20 predicate places. [2025-03-13 22:22:45,621 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 359 transitions, 869 flow [2025-03-13 22:22:45,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 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 22:22:45,622 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:45,622 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] [2025-03-13 22:22:45,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-13 22:22:45,622 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:45,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:45,623 INFO L85 PathProgramCache]: Analyzing trace with hash 612174821, now seen corresponding path program 1 times [2025-03-13 22:22:45,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:45,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278746508] [2025-03-13 22:22:45,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:45,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-13 22:22:45,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-13 22:22:45,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:45,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:22:46,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:46,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278746508] [2025-03-13 22:22:46,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278746508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:46,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:46,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:22:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822346602] [2025-03-13 22:22:46,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:46,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:22:46,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:46,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:22:46,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:22:46,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 457 [2025-03-13 22:22:46,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 359 transitions, 869 flow. Second operand has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 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 22:22:46,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:46,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 457 [2025-03-13 22:22:46,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:46,465 INFO L124 PetriNetUnfolderBase]: 29/648 cut-off events. [2025-03-13 22:22:46,465 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2025-03-13 22:22:46,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 648 events. 29/648 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1920 event pairs, 2 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 885. Up to 29 conditions per place. [2025-03-13 22:22:46,471 INFO L140 encePairwiseOnDemand]: 450/457 looper letters, 25 selfloop transitions, 5 changer transitions 0/362 dead transitions. [2025-03-13 22:22:46,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 362 transitions, 940 flow [2025-03-13 22:22:46,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:22:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:22:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2522 transitions. [2025-03-13 22:22:46,474 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9197665937272064 [2025-03-13 22:22:46,475 INFO L175 Difference]: Start difference. First operand has 440 places, 359 transitions, 869 flow. Second operand 6 states and 2522 transitions. [2025-03-13 22:22:46,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 362 transitions, 940 flow [2025-03-13 22:22:46,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 362 transitions, 854 flow, removed 17 selfloop flow, removed 26 redundant places. [2025-03-13 22:22:46,481 INFO L231 Difference]: Finished difference. Result has 367 places, 357 transitions, 789 flow [2025-03-13 22:22:46,482 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=789, PETRI_PLACES=367, PETRI_TRANSITIONS=357} [2025-03-13 22:22:46,482 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -53 predicate places. [2025-03-13 22:22:46,482 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 357 transitions, 789 flow [2025-03-13 22:22:46,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 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 22:22:46,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:46,483 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:46,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-13 22:22:46,483 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:46,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:46,484 INFO L85 PathProgramCache]: Analyzing trace with hash -110486938, now seen corresponding path program 1 times [2025-03-13 22:22:46,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:46,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846037128] [2025-03-13 22:22:46,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:46,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:46,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-13 22:22:46,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-13 22:22:46,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:46,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:22:46,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:46,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846037128] [2025-03-13 22:22:46,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846037128] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:46,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:46,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:46,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382213647] [2025-03-13 22:22:46,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:46,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:46,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:46,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:46,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:46,554 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 457 [2025-03-13 22:22:46,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 357 transitions, 789 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 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 22:22:46,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:46,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 457 [2025-03-13 22:22:46,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:46,701 INFO L124 PetriNetUnfolderBase]: 68/1259 cut-off events. [2025-03-13 22:22:46,701 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2025-03-13 22:22:46,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1479 conditions, 1259 events. 68/1259 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6596 event pairs, 17 based on Foata normal form. 0/1166 useless extension candidates. Maximal degree in co-relation 1468. Up to 85 conditions per place. [2025-03-13 22:22:46,709 INFO L140 encePairwiseOnDemand]: 451/457 looper letters, 14 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2025-03-13 22:22:46,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 357 transitions, 823 flow [2025-03-13 22:22:46,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2025-03-13 22:22:46,712 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9467541940189642 [2025-03-13 22:22:46,712 INFO L175 Difference]: Start difference. First operand has 367 places, 357 transitions, 789 flow. Second operand 3 states and 1298 transitions. [2025-03-13 22:22:46,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 357 transitions, 823 flow [2025-03-13 22:22:46,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 357 transitions, 813 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:22:46,716 INFO L231 Difference]: Finished difference. Result has 361 places, 355 transitions, 785 flow [2025-03-13 22:22:46,717 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=361, PETRI_TRANSITIONS=355} [2025-03-13 22:22:46,717 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -59 predicate places. [2025-03-13 22:22:46,717 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 355 transitions, 785 flow [2025-03-13 22:22:46,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 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 22:22:46,718 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:46,718 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:46,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-13 22:22:46,718 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:46,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:46,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1222119883, now seen corresponding path program 1 times [2025-03-13 22:22:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:46,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469405686] [2025-03-13 22:22:46,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:46,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-13 22:22:46,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-13 22:22:46,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:46,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:22:47,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:47,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469405686] [2025-03-13 22:22:47,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469405686] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:47,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:47,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:22:47,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629990800] [2025-03-13 22:22:47,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:47,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:22:47,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:47,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:22:47,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:22:47,407 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 457 [2025-03-13 22:22:47,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 355 transitions, 785 flow. Second operand has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 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 22:22:47,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:47,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 457 [2025-03-13 22:22:47,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:47,498 INFO L124 PetriNetUnfolderBase]: 57/799 cut-off events. [2025-03-13 22:22:47,499 INFO L125 PetriNetUnfolderBase]: For 52/54 co-relation queries the response was YES. [2025-03-13 22:22:47,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 799 events. 57/799 cut-off events. For 52/54 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3432 event pairs, 4 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 1013. Up to 52 conditions per place. [2025-03-13 22:22:47,503 INFO L140 encePairwiseOnDemand]: 450/457 looper letters, 24 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2025-03-13 22:22:47,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 357 transitions, 851 flow [2025-03-13 22:22:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:22:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:22:47,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2521 transitions. [2025-03-13 22:22:47,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9194018964259665 [2025-03-13 22:22:47,506 INFO L175 Difference]: Start difference. First operand has 361 places, 355 transitions, 785 flow. Second operand 6 states and 2521 transitions. [2025-03-13 22:22:47,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 357 transitions, 851 flow [2025-03-13 22:22:47,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 357 transitions, 851 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:22:47,510 INFO L231 Difference]: Finished difference. Result has 364 places, 353 transitions, 791 flow [2025-03-13 22:22:47,511 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=364, PETRI_TRANSITIONS=353} [2025-03-13 22:22:47,511 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -56 predicate places. [2025-03-13 22:22:47,511 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 353 transitions, 791 flow [2025-03-13 22:22:47,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 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 22:22:47,512 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:47,512 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:47,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-13 22:22:47,512 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:47,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:47,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1646852535, now seen corresponding path program 1 times [2025-03-13 22:22:47,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:47,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384227681] [2025-03-13 22:22:47,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:47,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:47,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-13 22:22:47,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-13 22:22:47,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:47,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-13 22:22:47,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:47,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384227681] [2025-03-13 22:22:47,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384227681] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:47,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:47,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:22:47,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197819472] [2025-03-13 22:22:47,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:47,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:22:47,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:47,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:22:47,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:22:48,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 457 [2025-03-13 22:22:48,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 353 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 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 22:22:48,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:48,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 457 [2025-03-13 22:22:48,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:48,229 INFO L124 PetriNetUnfolderBase]: 33/766 cut-off events. [2025-03-13 22:22:48,230 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-13 22:22:48,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 766 events. 33/766 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2623 event pairs, 3 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 956. Up to 29 conditions per place. [2025-03-13 22:22:48,234 INFO L140 encePairwiseOnDemand]: 450/457 looper letters, 25 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2025-03-13 22:22:48,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 356 transitions, 862 flow [2025-03-13 22:22:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:22:48,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:22:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2522 transitions. [2025-03-13 22:22:48,236 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9197665937272064 [2025-03-13 22:22:48,236 INFO L175 Difference]: Start difference. First operand has 364 places, 353 transitions, 791 flow. Second operand 6 states and 2522 transitions. [2025-03-13 22:22:48,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 356 transitions, 862 flow [2025-03-13 22:22:48,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 356 transitions, 852 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:22:48,240 INFO L231 Difference]: Finished difference. Result has 362 places, 351 transitions, 787 flow [2025-03-13 22:22:48,240 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=787, PETRI_PLACES=362, PETRI_TRANSITIONS=351} [2025-03-13 22:22:48,241 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -58 predicate places. [2025-03-13 22:22:48,241 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 351 transitions, 787 flow [2025-03-13 22:22:48,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 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 22:22:48,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:48,242 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:48,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-13 22:22:48,242 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:48,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:48,242 INFO L85 PathProgramCache]: Analyzing trace with hash -80449617, now seen corresponding path program 1 times [2025-03-13 22:22:48,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:48,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926929033] [2025-03-13 22:22:48,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:48,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:48,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-13 22:22:48,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-13 22:22:48,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:48,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:22:48,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926929033] [2025-03-13 22:22:48,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926929033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:48,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:48,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:22:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768379854] [2025-03-13 22:22:48,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:48,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:22:48,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:48,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:22:48,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:22:48,956 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 457 [2025-03-13 22:22:48,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 351 transitions, 787 flow. Second operand has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 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 22:22:48,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:48,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 457 [2025-03-13 22:22:48,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:49,088 INFO L124 PetriNetUnfolderBase]: 60/895 cut-off events. [2025-03-13 22:22:49,089 INFO L125 PetriNetUnfolderBase]: For 57/60 co-relation queries the response was YES. [2025-03-13 22:22:49,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 895 events. 60/895 cut-off events. For 57/60 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4003 event pairs, 6 based on Foata normal form. 0/860 useless extension candidates. Maximal degree in co-relation 1122. Up to 56 conditions per place. [2025-03-13 22:22:49,094 INFO L140 encePairwiseOnDemand]: 450/457 looper letters, 24 selfloop transitions, 5 changer transitions 0/353 dead transitions. [2025-03-13 22:22:49,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 353 transitions, 853 flow [2025-03-13 22:22:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:22:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:22:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2521 transitions. [2025-03-13 22:22:49,096 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9194018964259665 [2025-03-13 22:22:49,096 INFO L175 Difference]: Start difference. First operand has 362 places, 351 transitions, 787 flow. Second operand 6 states and 2521 transitions. [2025-03-13 22:22:49,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 353 transitions, 853 flow [2025-03-13 22:22:49,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 353 transitions, 843 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:22:49,100 INFO L231 Difference]: Finished difference. Result has 360 places, 349 transitions, 783 flow [2025-03-13 22:22:49,101 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=783, PETRI_PLACES=360, PETRI_TRANSITIONS=349} [2025-03-13 22:22:49,101 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -60 predicate places. [2025-03-13 22:22:49,101 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 349 transitions, 783 flow [2025-03-13 22:22:49,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 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 22:22:49,102 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:49,102 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:49,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-13 22:22:49,102 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:49,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:49,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1664908730, now seen corresponding path program 1 times [2025-03-13 22:22:49,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:49,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627027253] [2025-03-13 22:22:49,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:49,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:49,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-13 22:22:49,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-13 22:22:49,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:49,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-13 22:22:49,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:49,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627027253] [2025-03-13 22:22:49,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627027253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:49,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:49,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:49,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901455883] [2025-03-13 22:22:49,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:49,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:49,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:49,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:49,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:49,164 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 457 [2025-03-13 22:22:49,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 349 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 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 22:22:49,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:49,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 457 [2025-03-13 22:22:49,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:49,229 INFO L124 PetriNetUnfolderBase]: 29/866 cut-off events. [2025-03-13 22:22:49,230 INFO L125 PetriNetUnfolderBase]: For 21/23 co-relation queries the response was YES. [2025-03-13 22:22:49,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 866 events. 29/866 cut-off events. For 21/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2840 event pairs, 3 based on Foata normal form. 0/840 useless extension candidates. Maximal degree in co-relation 1018. Up to 21 conditions per place. [2025-03-13 22:22:49,235 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 7 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2025-03-13 22:22:49,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 349 transitions, 802 flow [2025-03-13 22:22:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:49,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2025-03-13 22:22:49,237 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9482129832239241 [2025-03-13 22:22:49,237 INFO L175 Difference]: Start difference. First operand has 360 places, 349 transitions, 783 flow. Second operand 3 states and 1300 transitions. [2025-03-13 22:22:49,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 349 transitions, 802 flow [2025-03-13 22:22:49,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 349 transitions, 792 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:22:49,241 INFO L231 Difference]: Finished difference. Result has 356 places, 348 transitions, 775 flow [2025-03-13 22:22:49,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=775, PETRI_PLACES=356, PETRI_TRANSITIONS=348} [2025-03-13 22:22:49,241 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -64 predicate places. [2025-03-13 22:22:49,241 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 348 transitions, 775 flow [2025-03-13 22:22:49,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 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 22:22:49,242 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:22:49,242 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:49,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-13 22:22:49,242 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2025-03-13 22:22:49,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:22:49,243 INFO L85 PathProgramCache]: Analyzing trace with hash -827517369, now seen corresponding path program 1 times [2025-03-13 22:22:49,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:22:49,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340526508] [2025-03-13 22:22:49,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:22:49,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:22:49,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-03-13 22:22:49,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-03-13 22:22:49,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:22:49,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:22:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-13 22:22:49,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:22:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340526508] [2025-03-13 22:22:49,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340526508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:22:49,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:22:49,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:22:49,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40715868] [2025-03-13 22:22:49,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:22:49,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:22:49,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:22:49,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:22:49,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:22:49,306 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 457 [2025-03-13 22:22:49,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 348 transitions, 775 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 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 22:22:49,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:22:49,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 457 [2025-03-13 22:22:49,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:22:49,354 INFO L124 PetriNetUnfolderBase]: 35/736 cut-off events. [2025-03-13 22:22:49,355 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2025-03-13 22:22:49,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 736 events. 35/736 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2581 event pairs, 4 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 865. Up to 20 conditions per place. [2025-03-13 22:22:49,358 INFO L140 encePairwiseOnDemand]: 454/457 looper letters, 0 selfloop transitions, 0 changer transitions 348/348 dead transitions. [2025-03-13 22:22:49,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 348 transitions, 794 flow [2025-03-13 22:22:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:22:49,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:22:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2025-03-13 22:22:49,359 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9482129832239241 [2025-03-13 22:22:49,360 INFO L175 Difference]: Start difference. First operand has 356 places, 348 transitions, 775 flow. Second operand 3 states and 1300 transitions. [2025-03-13 22:22:49,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 348 transitions, 794 flow [2025-03-13 22:22:49,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 348 transitions, 790 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:22:49,362 INFO L231 Difference]: Finished difference. Result has 355 places, 0 transitions, 0 flow [2025-03-13 22:22:49,363 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=457, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=355, PETRI_TRANSITIONS=0} [2025-03-13 22:22:49,363 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -65 predicate places. [2025-03-13 22:22:49,363 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 0 transitions, 0 flow [2025-03-13 22:22:49,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 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 22:22:49,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2025-03-13 22:22:49,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2025-03-13 22:22:49,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 72 remaining) [2025-03-13 22:22:49,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (27 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2025-03-13 22:22:49,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2025-03-13 22:22:49,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2025-03-13 22:22:49,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-13 22:22:49,371 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:22:49,375 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:22:49,375 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:22:49,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:22:49 BasicIcfg [2025-03-13 22:22:49,379 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:22:49,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:22:49,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:22:49,380 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:22:49,380 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:22:38" (3/4) ... [2025-03-13 22:22:49,382 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:22:49,384 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:22:49,384 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:22:49,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-03-13 22:22:49,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:22:49,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:22:49,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:22:49,459 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:22:49,460 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:22:49,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:22:49,461 INFO L158 Benchmark]: Toolchain (without parser) took 11605.09ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 105.5MB in the beginning and 219.0MB in the end (delta: -113.5MB). Peak memory consumption was 309.8MB. Max. memory is 16.1GB. [2025-03-13 22:22:49,461 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory was 125.3MB in the beginning and 125.0MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:22:49,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.49ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:22:49,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.81ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:22:49,462 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:22:49,463 INFO L158 Benchmark]: IcfgBuilder took 636.14ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 53.4MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-13 22:22:49,463 INFO L158 Benchmark]: TraceAbstraction took 10618.22ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 52.3MB in the beginning and 227.4MB in the end (delta: -175.1MB). Peak memory consumption was 251.1MB. Max. memory is 16.1GB. [2025-03-13 22:22:49,463 INFO L158 Benchmark]: Witness Printer took 80.18ms. Allocated memory is still 570.4MB. Free memory was 227.4MB in the beginning and 219.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:22:49,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory was 125.3MB in the beginning and 125.0MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.49ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.81ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 636.14ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 53.4MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10618.22ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 52.3MB in the beginning and 227.4MB in the end (delta: -175.1MB). Peak memory consumption was 251.1MB. Max. memory is 16.1GB. * Witness Printer took 80.18ms. Allocated memory is still 570.4MB. Free memory was 227.4MB in the beginning and 219.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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, 656 locations, 72 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: 10.4s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3619 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2305 mSDsluCounter, 3739 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3297 mSDsCounter, 606 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5667 IncrementalHoareTripleChecker+Invalid, 6273 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 606 mSolverCounterUnsat, 442 mSDtfsCounter, 5667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1200occurred in iteration=16, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3156 NumberOfCodeBlocks, 3156 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3131 ConstructedInterpolants, 0 QuantifiedInterpolants, 4556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 23/23 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:22:49,478 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