./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:16:40,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:16:40,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:16:40,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:16:40,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:16:40,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:16:40,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:16:40,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:16:40,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:16:40,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:16:40,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:16:40,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:16:40,355 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:16:40,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:16:40,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:16:40,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:16:40,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:16:40,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:16:40,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:16:40,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:16:40,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:16:40,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:16:40,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:16:40,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:16:40,358 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 -> 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 [2025-03-17 11:16:40,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:16:40,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:16:40,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:16:40,591 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:16:40,591 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:16:40,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2025-03-17 11:16:41,752 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f0ea7e4/3ad8737b8a0346e3b8cd49116e2754fb/FLAG32a06e8ed [2025-03-17 11:16:42,071 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:16:42,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2025-03-17 11:16:42,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f0ea7e4/3ad8737b8a0346e3b8cd49116e2754fb/FLAG32a06e8ed [2025-03-17 11:16:42,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f0ea7e4/3ad8737b8a0346e3b8cd49116e2754fb [2025-03-17 11:16:42,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:16:42,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:16:42,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:16:42,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:16:42,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:16:42,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77bb3c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42, skipping insertion in model container [2025-03-17 11:16:42,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:16:42,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:16:42,645 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:16:42,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:16:42,738 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:16:42,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42 WrapperNode [2025-03-17 11:16:42,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:16:42,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:16:42,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:16:42,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:16:42,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,774 INFO L138 Inliner]: procedures = 267, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 265 [2025-03-17 11:16:42,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:16:42,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:16:42,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:16:42,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:16:42,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:16:42,801 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:16:42,801 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:16:42,802 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:16:42,802 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (1/1) ... [2025-03-17 11:16:42,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:16:42,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:16:42,826 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) [2025-03-17 11:16:42,829 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 [2025-03-17 11:16:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2025-03-17 11:16:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-03-17 11:16:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-03-17 11:16:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:16:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:16:42,847 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:16:42,961 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:16:42,963 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:16:43,347 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:16:43,347 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:16:43,393 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:16:43,395 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:16:43,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:16:43 BoogieIcfgContainer [2025-03-17 11:16:43,396 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:16:43,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:16:43,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:16:43,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:16:43,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:16:42" (1/3) ... [2025-03-17 11:16:43,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bed10ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:16:43, skipping insertion in model container [2025-03-17 11:16:43,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:42" (2/3) ... [2025-03-17 11:16:43,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bed10ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:16:43, skipping insertion in model container [2025-03-17 11:16:43,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:16:43" (3/3) ... [2025-03-17 11:16:43,406 INFO L128 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-3.i [2025-03-17 11:16:43,418 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:16:43,419 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-join-counter-race-3.i that has 3 procedures, 384 locations, 1 initial locations, 5 loop locations, and 34 error locations. [2025-03-17 11:16:43,419 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:16:43,494 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 11:16:43,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 456 places, 463 transitions, 940 flow [2025-03-17 11:16:43,716 INFO L124 PetriNetUnfolderBase]: 19/584 cut-off events. [2025-03-17 11:16:43,719 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:16:43,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 584 events. 19/584 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 956 event pairs, 0 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 372. Up to 6 conditions per place. [2025-03-17 11:16:43,731 INFO L82 GeneralOperation]: Start removeDead. Operand has 456 places, 463 transitions, 940 flow [2025-03-17 11:16:43,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 389 places, 393 transitions, 796 flow [2025-03-17 11:16:43,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:16:43,763 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;@3eec794e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:16:43,764 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2025-03-17 11:16:43,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:16:43,783 INFO L124 PetriNetUnfolderBase]: 0/148 cut-off events. [2025-03-17 11:16:43,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:16:43,784 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:43,786 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] [2025-03-17 11:16:43,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:43,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash -301877043, now seen corresponding path program 1 times [2025-03-17 11:16:43,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:43,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986095727] [2025-03-17 11:16:43,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:43,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-17 11:16:43,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-17 11:16:43,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:43,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:44,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:44,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986095727] [2025-03-17 11:16:44,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986095727] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:44,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:44,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:44,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126724513] [2025-03-17 11:16:44,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:44,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:44,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:44,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:44,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:44,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 463 [2025-03-17 11:16:44,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 393 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2025-03-17 11:16:44,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:44,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 463 [2025-03-17 11:16:44,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:44,996 INFO L124 PetriNetUnfolderBase]: 654/4258 cut-off events. [2025-03-17 11:16:44,997 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2025-03-17 11:16:45,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5294 conditions, 4258 events. 654/4258 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 32700 event pairs, 489 based on Foata normal form. 182/3747 useless extension candidates. Maximal degree in co-relation 5062. Up to 1006 conditions per place. [2025-03-17 11:16:45,034 INFO L140 encePairwiseOnDemand]: 454/463 looper letters, 28 selfloop transitions, 2 changer transitions 1/384 dead transitions. [2025-03-17 11:16:45,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 384 transitions, 838 flow [2025-03-17 11:16:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:45,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:45,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2025-03-17 11:16:45,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294456443484521 [2025-03-17 11:16:45,048 INFO L175 Difference]: Start difference. First operand has 389 places, 393 transitions, 796 flow. Second operand 3 states and 1291 transitions. [2025-03-17 11:16:45,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 384 transitions, 838 flow [2025-03-17 11:16:45,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 384 transitions, 837 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:16:45,063 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 779 flow [2025-03-17 11:16:45,065 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2025-03-17 11:16:45,070 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -3 predicate places. [2025-03-17 11:16:45,070 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 779 flow [2025-03-17 11:16:45,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2025-03-17 11:16:45,071 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:45,071 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] [2025-03-17 11:16:45,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:16:45,072 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:45,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:45,072 INFO L85 PathProgramCache]: Analyzing trace with hash 855344877, now seen corresponding path program 1 times [2025-03-17 11:16:45,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:45,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75659987] [2025-03-17 11:16:45,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:45,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:45,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-17 11:16:45,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-17 11:16:45,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:45,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:45,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:45,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75659987] [2025-03-17 11:16:45,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75659987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:45,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:45,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:45,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073140158] [2025-03-17 11:16:45,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:45,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:45,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:45,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:45,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:45,273 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 463 [2025-03-17 11:16:45,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 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) [2025-03-17 11:16:45,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:45,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 463 [2025-03-17 11:16:45,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:45,837 INFO L124 PetriNetUnfolderBase]: 760/4455 cut-off events. [2025-03-17 11:16:45,838 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2025-03-17 11:16:45,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5669 conditions, 4455 events. 760/4455 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 34619 event pairs, 564 based on Foata normal form. 0/3810 useless extension candidates. Maximal degree in co-relation 5512. Up to 1180 conditions per place. [2025-03-17 11:16:45,857 INFO L140 encePairwiseOnDemand]: 455/463 looper letters, 31 selfloop transitions, 1 changer transitions 0/376 dead transitions. [2025-03-17 11:16:45,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 376 transitions, 829 flow [2025-03-17 11:16:45,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2025-03-17 11:16:45,862 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9092872570194385 [2025-03-17 11:16:45,862 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 779 flow. Second operand 3 states and 1263 transitions. [2025-03-17 11:16:45,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 376 transitions, 829 flow [2025-03-17 11:16:45,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 376 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:16:45,869 INFO L231 Difference]: Finished difference. Result has 378 places, 376 transitions, 763 flow [2025-03-17 11:16:45,870 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=763, PETRI_PLACES=378, PETRI_TRANSITIONS=376} [2025-03-17 11:16:45,870 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -11 predicate places. [2025-03-17 11:16:45,870 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 376 transitions, 763 flow [2025-03-17 11:16:45,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 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) [2025-03-17 11:16:45,871 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:45,872 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] [2025-03-17 11:16:45,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:16:45,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:45,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:45,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1069549245, now seen corresponding path program 1 times [2025-03-17 11:16:45,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:45,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727487237] [2025-03-17 11:16:45,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:45,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-17 11:16:45,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-17 11:16:45,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:45,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:45,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:45,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727487237] [2025-03-17 11:16:45,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727487237] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:45,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:45,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:45,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905580855] [2025-03-17 11:16:45,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:45,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:45,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:45,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:45,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:46,019 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 463 [2025-03-17 11:16:46,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 376 transitions, 763 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2025-03-17 11:16:46,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:46,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 463 [2025-03-17 11:16:46,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:46,487 INFO L124 PetriNetUnfolderBase]: 709/4489 cut-off events. [2025-03-17 11:16:46,488 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-03-17 11:16:46,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5623 conditions, 4489 events. 709/4489 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 36032 event pairs, 546 based on Foata normal form. 0/3812 useless extension candidates. Maximal degree in co-relation 5466. Up to 1102 conditions per place. [2025-03-17 11:16:46,519 INFO L140 encePairwiseOnDemand]: 460/463 looper letters, 24 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2025-03-17 11:16:46,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 375 transitions, 813 flow [2025-03-17 11:16:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2025-03-17 11:16:46,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9308855291576674 [2025-03-17 11:16:46,522 INFO L175 Difference]: Start difference. First operand has 378 places, 376 transitions, 763 flow. Second operand 3 states and 1293 transitions. [2025-03-17 11:16:46,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 375 transitions, 813 flow [2025-03-17 11:16:46,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 812 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:16:46,526 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 764 flow [2025-03-17 11:16:46,527 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2025-03-17 11:16:46,527 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -11 predicate places. [2025-03-17 11:16:46,527 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 764 flow [2025-03-17 11:16:46,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2025-03-17 11:16:46,528 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:46,528 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] [2025-03-17 11:16:46,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:16:46,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:46,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:46,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1355355012, now seen corresponding path program 1 times [2025-03-17 11:16:46,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:46,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003389960] [2025-03-17 11:16:46,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:46,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:46,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-17 11:16:46,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-17 11:16:46,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:46,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:46,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:46,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003389960] [2025-03-17 11:16:46,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003389960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:46,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:46,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:46,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638402444] [2025-03-17 11:16:46,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:46,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:46,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:46,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:46,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:46,702 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 463 [2025-03-17 11:16:46,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 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) [2025-03-17 11:16:46,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:46,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 463 [2025-03-17 11:16:46,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:47,319 INFO L124 PetriNetUnfolderBase]: 835/4366 cut-off events. [2025-03-17 11:16:47,320 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2025-03-17 11:16:47,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5664 conditions, 4366 events. 835/4366 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 33637 event pairs, 605 based on Foata normal form. 0/3728 useless extension candidates. Maximal degree in co-relation 5507. Up to 1258 conditions per place. [2025-03-17 11:16:47,352 INFO L140 encePairwiseOnDemand]: 460/463 looper letters, 24 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2025-03-17 11:16:47,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 814 flow [2025-03-17 11:16:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2025-03-17 11:16:47,355 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9287257019438445 [2025-03-17 11:16:47,355 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 764 flow. Second operand 3 states and 1290 transitions. [2025-03-17 11:16:47,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 814 flow [2025-03-17 11:16:47,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 374 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:16:47,360 INFO L231 Difference]: Finished difference. Result has 377 places, 374 transitions, 762 flow [2025-03-17 11:16:47,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=377, PETRI_TRANSITIONS=374} [2025-03-17 11:16:47,361 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -12 predicate places. [2025-03-17 11:16:47,361 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 374 transitions, 762 flow [2025-03-17 11:16:47,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 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) [2025-03-17 11:16:47,362 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:47,362 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] [2025-03-17 11:16:47,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:16:47,363 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:47,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:47,363 INFO L85 PathProgramCache]: Analyzing trace with hash 686239432, now seen corresponding path program 1 times [2025-03-17 11:16:47,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:47,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841832400] [2025-03-17 11:16:47,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:47,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:47,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-17 11:16:47,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-17 11:16:47,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:47,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:47,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:47,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841832400] [2025-03-17 11:16:47,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841832400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:47,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:47,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:47,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8682869] [2025-03-17 11:16:47,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:47,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:47,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:47,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:47,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:47,526 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 463 [2025-03-17 11:16:47,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 374 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2025-03-17 11:16:47,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:47,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 463 [2025-03-17 11:16:47,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:47,984 INFO L124 PetriNetUnfolderBase]: 991/4594 cut-off events. [2025-03-17 11:16:47,985 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2025-03-17 11:16:47,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6111 conditions, 4594 events. 991/4594 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 35846 event pairs, 713 based on Foata normal form. 0/3928 useless extension candidates. Maximal degree in co-relation 5954. Up to 1475 conditions per place. [2025-03-17 11:16:48,006 INFO L140 encePairwiseOnDemand]: 460/463 looper letters, 26 selfloop transitions, 2 changer transitions 0/373 dead transitions. [2025-03-17 11:16:48,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 373 transitions, 816 flow [2025-03-17 11:16:48,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2025-03-17 11:16:48,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.925845932325414 [2025-03-17 11:16:48,008 INFO L175 Difference]: Start difference. First operand has 377 places, 374 transitions, 762 flow. Second operand 3 states and 1286 transitions. [2025-03-17 11:16:48,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 373 transitions, 816 flow [2025-03-17 11:16:48,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 373 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:16:48,012 INFO L231 Difference]: Finished difference. Result has 376 places, 373 transitions, 760 flow [2025-03-17 11:16:48,012 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=376, PETRI_TRANSITIONS=373} [2025-03-17 11:16:48,013 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -13 predicate places. [2025-03-17 11:16:48,013 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 373 transitions, 760 flow [2025-03-17 11:16:48,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2025-03-17 11:16:48,014 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:48,014 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] [2025-03-17 11:16:48,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:16:48,014 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:48,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:48,015 INFO L85 PathProgramCache]: Analyzing trace with hash 571477416, now seen corresponding path program 1 times [2025-03-17 11:16:48,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:48,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126262454] [2025-03-17 11:16:48,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:48,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:48,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-17 11:16:48,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-17 11:16:48,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:48,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:48,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:48,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126262454] [2025-03-17 11:16:48,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126262454] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:48,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:48,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:48,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111340188] [2025-03-17 11:16:48,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:48,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:48,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:48,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:48,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:48,114 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 463 [2025-03-17 11:16:48,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 373 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 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) [2025-03-17 11:16:48,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:48,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 463 [2025-03-17 11:16:48,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:48,609 INFO L124 PetriNetUnfolderBase]: 1451/5104 cut-off events. [2025-03-17 11:16:48,609 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2025-03-17 11:16:48,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7298 conditions, 5104 events. 1451/5104 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 38846 event pairs, 507 based on Foata normal form. 0/4519 useless extension candidates. Maximal degree in co-relation 7142. Up to 2100 conditions per place. [2025-03-17 11:16:48,629 INFO L140 encePairwiseOnDemand]: 455/463 looper letters, 38 selfloop transitions, 3 changer transitions 0/381 dead transitions. [2025-03-17 11:16:48,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 381 transitions, 863 flow [2025-03-17 11:16:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:48,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2025-03-17 11:16:48,631 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9208063354931606 [2025-03-17 11:16:48,631 INFO L175 Difference]: Start difference. First operand has 376 places, 373 transitions, 760 flow. Second operand 3 states and 1279 transitions. [2025-03-17 11:16:48,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 381 transitions, 863 flow [2025-03-17 11:16:48,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 381 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:16:48,637 INFO L231 Difference]: Finished difference. Result has 372 places, 371 transitions, 767 flow [2025-03-17 11:16:48,638 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=372, PETRI_TRANSITIONS=371} [2025-03-17 11:16:48,639 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -17 predicate places. [2025-03-17 11:16:48,639 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 371 transitions, 767 flow [2025-03-17 11:16:48,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 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) [2025-03-17 11:16:48,640 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:48,640 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:16:48,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 11:16:48,641 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:48,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:48,641 INFO L85 PathProgramCache]: Analyzing trace with hash 103006353, now seen corresponding path program 1 times [2025-03-17 11:16:48,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:48,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888087971] [2025-03-17 11:16:48,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:48,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-03-17 11:16:48,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-03-17 11:16:48,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:48,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:48,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:48,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888087971] [2025-03-17 11:16:48,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888087971] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:48,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:48,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:48,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865467876] [2025-03-17 11:16:48,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:48,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:48,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:48,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:48,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:48,742 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 463 [2025-03-17 11:16:48,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 371 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2025-03-17 11:16:48,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:48,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 463 [2025-03-17 11:16:48,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:49,299 INFO L124 PetriNetUnfolderBase]: 958/5577 cut-off events. [2025-03-17 11:16:49,300 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2025-03-17 11:16:49,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7258 conditions, 5577 events. 958/5577 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 48055 event pairs, 625 based on Foata normal form. 0/4958 useless extension candidates. Maximal degree in co-relation 7102. Up to 1485 conditions per place. [2025-03-17 11:16:49,317 INFO L140 encePairwiseOnDemand]: 457/463 looper letters, 30 selfloop transitions, 3 changer transitions 0/377 dead transitions. [2025-03-17 11:16:49,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 377 transitions, 845 flow [2025-03-17 11:16:49,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2025-03-17 11:16:49,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9330453563714903 [2025-03-17 11:16:49,320 INFO L175 Difference]: Start difference. First operand has 372 places, 371 transitions, 767 flow. Second operand 3 states and 1296 transitions. [2025-03-17 11:16:49,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 377 transitions, 845 flow [2025-03-17 11:16:49,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 377 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:16:49,324 INFO L231 Difference]: Finished difference. Result has 372 places, 371 transitions, 782 flow [2025-03-17 11:16:49,325 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=372, PETRI_TRANSITIONS=371} [2025-03-17 11:16:49,325 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -17 predicate places. [2025-03-17 11:16:49,325 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 371 transitions, 782 flow [2025-03-17 11:16:49,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2025-03-17 11:16:49,326 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:49,326 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] [2025-03-17 11:16:49,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 11:16:49,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting cleanerErr8ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:49,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:49,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1477459909, now seen corresponding path program 1 times [2025-03-17 11:16:49,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:49,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920051098] [2025-03-17 11:16:49,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:49,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:49,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-03-17 11:16:49,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-03-17 11:16:49,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:49,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:49,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:49,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920051098] [2025-03-17 11:16:49,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920051098] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:49,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:49,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:49,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339656419] [2025-03-17 11:16:49,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:49,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:49,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:49,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:49,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:49,409 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 463 [2025-03-17 11:16:49,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 371 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 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) [2025-03-17 11:16:49,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:49,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 463 [2025-03-17 11:16:49,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:49,950 INFO L124 PetriNetUnfolderBase]: 1295/5668 cut-off events. [2025-03-17 11:16:49,950 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-03-17 11:16:49,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7742 conditions, 5668 events. 1295/5668 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 46181 event pairs, 516 based on Foata normal form. 0/5053 useless extension candidates. Maximal degree in co-relation 7585. Up to 1640 conditions per place. [2025-03-17 11:16:50,035 INFO L140 encePairwiseOnDemand]: 458/463 looper letters, 35 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2025-03-17 11:16:50,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 381 transitions, 879 flow [2025-03-17 11:16:50,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:50,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2025-03-17 11:16:50,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294456443484521 [2025-03-17 11:16:50,038 INFO L175 Difference]: Start difference. First operand has 372 places, 371 transitions, 782 flow. Second operand 3 states and 1291 transitions. [2025-03-17 11:16:50,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 381 transitions, 879 flow [2025-03-17 11:16:50,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 381 transitions, 879 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:16:50,043 INFO L231 Difference]: Finished difference. Result has 372 places, 370 transitions, 790 flow [2025-03-17 11:16:50,044 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=372, PETRI_TRANSITIONS=370} [2025-03-17 11:16:50,045 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -17 predicate places. [2025-03-17 11:16:50,046 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 370 transitions, 790 flow [2025-03-17 11:16:50,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 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) [2025-03-17 11:16:50,046 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:50,047 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] [2025-03-17 11:16:50,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 11:16:50,047 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:50,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:50,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1405982066, now seen corresponding path program 1 times [2025-03-17 11:16:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:50,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262467289] [2025-03-17 11:16:50,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:50,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:50,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-03-17 11:16:50,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-03-17 11:16:50,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:50,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:50,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:50,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262467289] [2025-03-17 11:16:50,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262467289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:50,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:50,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:50,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973056343] [2025-03-17 11:16:50,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:50,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:50,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:50,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:50,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:50,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 463 [2025-03-17 11:16:50,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 370 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2025-03-17 11:16:50,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:50,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 463 [2025-03-17 11:16:50,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:51,325 INFO L124 PetriNetUnfolderBase]: 1910/8652 cut-off events. [2025-03-17 11:16:51,325 INFO L125 PetriNetUnfolderBase]: For 89/97 co-relation queries the response was YES. [2025-03-17 11:16:51,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12153 conditions, 8652 events. 1910/8652 cut-off events. For 89/97 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 76510 event pairs, 709 based on Foata normal form. 0/7635 useless extension candidates. Maximal degree in co-relation 11995. Up to 1583 conditions per place. [2025-03-17 11:16:51,381 INFO L140 encePairwiseOnDemand]: 452/463 looper letters, 44 selfloop transitions, 8 changer transitions 0/394 dead transitions. [2025-03-17 11:16:51,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 394 transitions, 948 flow [2025-03-17 11:16:51,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1309 transitions. [2025-03-17 11:16:51,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9424046076313894 [2025-03-17 11:16:51,385 INFO L175 Difference]: Start difference. First operand has 372 places, 370 transitions, 790 flow. Second operand 3 states and 1309 transitions. [2025-03-17 11:16:51,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 394 transitions, 948 flow [2025-03-17 11:16:51,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 394 transitions, 948 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:16:51,391 INFO L231 Difference]: Finished difference. Result has 376 places, 378 transitions, 860 flow [2025-03-17 11:16:51,392 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=376, PETRI_TRANSITIONS=378} [2025-03-17 11:16:51,392 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -13 predicate places. [2025-03-17 11:16:51,392 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 378 transitions, 860 flow [2025-03-17 11:16:51,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2025-03-17 11:16:51,393 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:51,393 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] [2025-03-17 11:16:51,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 11:16:51,394 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:51,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:51,394 INFO L85 PathProgramCache]: Analyzing trace with hash 184123834, now seen corresponding path program 1 times [2025-03-17 11:16:51,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:51,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093112592] [2025-03-17 11:16:51,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:51,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:51,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 212 statements into 1 equivalence classes. [2025-03-17 11:16:51,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 212 of 212 statements. [2025-03-17 11:16:51,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:51,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:51,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:51,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093112592] [2025-03-17 11:16:51,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093112592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:51,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:51,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:51,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738282652] [2025-03-17 11:16:51,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:51,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:51,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:51,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:51,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:51,666 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 463 [2025-03-17 11:16:51,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 378 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2025-03-17 11:16:51,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:51,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 463 [2025-03-17 11:16:51,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:53,822 INFO L124 PetriNetUnfolderBase]: 4584/20412 cut-off events. [2025-03-17 11:16:53,822 INFO L125 PetriNetUnfolderBase]: For 382/394 co-relation queries the response was YES. [2025-03-17 11:16:53,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29392 conditions, 20412 events. 4584/20412 cut-off events. For 382/394 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 219547 event pairs, 2480 based on Foata normal form. 0/18501 useless extension candidates. Maximal degree in co-relation 29231. Up to 5342 conditions per place. [2025-03-17 11:16:53,916 INFO L140 encePairwiseOnDemand]: 453/463 looper letters, 45 selfloop transitions, 9 changer transitions 0/401 dead transitions. [2025-03-17 11:16:53,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 401 transitions, 1020 flow [2025-03-17 11:16:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1309 transitions. [2025-03-17 11:16:53,919 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9424046076313894 [2025-03-17 11:16:53,919 INFO L175 Difference]: Start difference. First operand has 376 places, 378 transitions, 860 flow. Second operand 3 states and 1309 transitions. [2025-03-17 11:16:53,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 401 transitions, 1020 flow [2025-03-17 11:16:53,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 401 transitions, 1004 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:16:53,926 INFO L231 Difference]: Finished difference. Result has 378 places, 386 transitions, 914 flow [2025-03-17 11:16:53,926 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=914, PETRI_PLACES=378, PETRI_TRANSITIONS=386} [2025-03-17 11:16:53,926 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -11 predicate places. [2025-03-17 11:16:53,927 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 386 transitions, 914 flow [2025-03-17 11:16:53,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2025-03-17 11:16:53,927 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:53,927 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] [2025-03-17 11:16:53,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 11:16:53,928 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:53,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:53,928 INFO L85 PathProgramCache]: Analyzing trace with hash -705113578, now seen corresponding path program 1 times [2025-03-17 11:16:53,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:53,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613168280] [2025-03-17 11:16:53,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:53,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:53,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-03-17 11:16:53,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-03-17 11:16:53,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:53,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:54,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:54,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613168280] [2025-03-17 11:16:54,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613168280] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:54,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:54,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:16:54,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789160533] [2025-03-17 11:16:54,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:54,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 11:16:54,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:54,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 11:16:54,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:16:54,161 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 463 [2025-03-17 11:16:54,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 386 transitions, 914 flow. Second operand has 5 states, 5 states have (on average 422.8) internal successors, (2114), 5 states have internal predecessors, (2114), 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) [2025-03-17 11:16:54,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:54,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 463 [2025-03-17 11:16:54,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:56,075 INFO L124 PetriNetUnfolderBase]: 2611/15678 cut-off events. [2025-03-17 11:16:56,076 INFO L125 PetriNetUnfolderBase]: For 537/601 co-relation queries the response was YES. [2025-03-17 11:16:56,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22157 conditions, 15678 events. 2611/15678 cut-off events. For 537/601 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 171001 event pairs, 1904 based on Foata normal form. 4/14219 useless extension candidates. Maximal degree in co-relation 21993. Up to 3513 conditions per place. [2025-03-17 11:16:56,146 INFO L140 encePairwiseOnDemand]: 454/463 looper letters, 36 selfloop transitions, 8 changer transitions 0/400 dead transitions. [2025-03-17 11:16:56,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 400 transitions, 1029 flow [2025-03-17 11:16:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:16:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:16:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2571 transitions. [2025-03-17 11:16:56,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9254859611231101 [2025-03-17 11:16:56,150 INFO L175 Difference]: Start difference. First operand has 378 places, 386 transitions, 914 flow. Second operand 6 states and 2571 transitions. [2025-03-17 11:16:56,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 400 transitions, 1029 flow [2025-03-17 11:16:56,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 400 transitions, 1011 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:16:56,161 INFO L231 Difference]: Finished difference. Result has 385 places, 390 transitions, 941 flow [2025-03-17 11:16:56,161 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=891, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=941, PETRI_PLACES=385, PETRI_TRANSITIONS=390} [2025-03-17 11:16:56,162 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -4 predicate places. [2025-03-17 11:16:56,162 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 390 transitions, 941 flow [2025-03-17 11:16:56,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 422.8) internal successors, (2114), 5 states have internal predecessors, (2114), 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) [2025-03-17 11:16:56,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:56,163 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] [2025-03-17 11:16:56,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 11:16:56,163 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:56,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:56,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1541653105, now seen corresponding path program 1 times [2025-03-17 11:16:56,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:56,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040041950] [2025-03-17 11:16:56,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:56,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:56,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 217 statements into 1 equivalence classes. [2025-03-17 11:16:56,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 217 of 217 statements. [2025-03-17 11:16:56,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:56,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:56,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:56,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040041950] [2025-03-17 11:16:56,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040041950] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:56,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:56,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:16:56,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375447852] [2025-03-17 11:16:56,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:56,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:16:56,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:56,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:16:56,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:16:56,257 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 463 [2025-03-17 11:16:56,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 390 transitions, 941 flow. Second operand has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 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) [2025-03-17 11:16:56,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:56,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 463 [2025-03-17 11:16:56,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:16:58,410 INFO L124 PetriNetUnfolderBase]: 3149/16187 cut-off events. [2025-03-17 11:16:58,410 INFO L125 PetriNetUnfolderBase]: For 256/287 co-relation queries the response was YES. [2025-03-17 11:16:58,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23230 conditions, 16187 events. 3149/16187 cut-off events. For 256/287 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 174330 event pairs, 1835 based on Foata normal form. 2/14431 useless extension candidates. Maximal degree in co-relation 23062. Up to 3403 conditions per place. [2025-03-17 11:16:58,507 INFO L140 encePairwiseOnDemand]: 459/463 looper letters, 29 selfloop transitions, 3 changer transitions 0/401 dead transitions. [2025-03-17 11:16:58,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 401 transitions, 1030 flow [2025-03-17 11:16:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:16:58,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:16:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1320 transitions. [2025-03-17 11:16:58,509 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9503239740820735 [2025-03-17 11:16:58,509 INFO L175 Difference]: Start difference. First operand has 385 places, 390 transitions, 941 flow. Second operand 3 states and 1320 transitions. [2025-03-17 11:16:58,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 401 transitions, 1030 flow [2025-03-17 11:16:58,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 401 transitions, 1026 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:16:58,516 INFO L231 Difference]: Finished difference. Result has 388 places, 392 transitions, 959 flow [2025-03-17 11:16:58,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=959, PETRI_PLACES=388, PETRI_TRANSITIONS=392} [2025-03-17 11:16:58,517 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -1 predicate places. [2025-03-17 11:16:58,517 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 392 transitions, 959 flow [2025-03-17 11:16:58,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 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) [2025-03-17 11:16:58,518 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:16:58,518 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:16:58,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 11:16:58,518 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:16:58,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:16:58,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1234742084, now seen corresponding path program 1 times [2025-03-17 11:16:58,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:16:58,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559909271] [2025-03-17 11:16:58,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:16:58,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:16:58,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-03-17 11:16:58,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-03-17 11:16:58,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:16:58,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:16:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:16:58,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:16:58,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559909271] [2025-03-17 11:16:58,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559909271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:16:58,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:16:58,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:16:58,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231442692] [2025-03-17 11:16:58,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:16:58,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 11:16:58,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:16:58,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 11:16:58,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:16:58,924 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 463 [2025-03-17 11:16:58,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 392 transitions, 959 flow. Second operand has 5 states, 5 states have (on average 423.0) internal successors, (2115), 5 states have internal predecessors, (2115), 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) [2025-03-17 11:16:58,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:16:58,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 463 [2025-03-17 11:16:58,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:17:01,358 INFO L124 PetriNetUnfolderBase]: 3864/19999 cut-off events. [2025-03-17 11:17:01,358 INFO L125 PetriNetUnfolderBase]: For 763/795 co-relation queries the response was YES. [2025-03-17 11:17:01,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29411 conditions, 19999 events. 3864/19999 cut-off events. For 763/795 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 222351 event pairs, 2584 based on Foata normal form. 6/18218 useless extension candidates. Maximal degree in co-relation 29240. Up to 5213 conditions per place. [2025-03-17 11:17:01,445 INFO L140 encePairwiseOnDemand]: 454/463 looper letters, 27 selfloop transitions, 4 changer transitions 17/404 dead transitions. [2025-03-17 11:17:01,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 404 transitions, 1074 flow [2025-03-17 11:17:01,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:17:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:17:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2572 transitions. [2025-03-17 11:17:01,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.925845932325414 [2025-03-17 11:17:01,449 INFO L175 Difference]: Start difference. First operand has 388 places, 392 transitions, 959 flow. Second operand 6 states and 2572 transitions. [2025-03-17 11:17:01,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 404 transitions, 1074 flow [2025-03-17 11:17:01,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 404 transitions, 1068 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:17:01,460 INFO L231 Difference]: Finished difference. Result has 393 places, 387 transitions, 940 flow [2025-03-17 11:17:01,460 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=393, PETRI_TRANSITIONS=387} [2025-03-17 11:17:01,461 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 4 predicate places. [2025-03-17 11:17:01,461 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 387 transitions, 940 flow [2025-03-17 11:17:01,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 423.0) internal successors, (2115), 5 states have internal predecessors, (2115), 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) [2025-03-17 11:17:01,462 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:17:01,462 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:17:01,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 11:17:01,462 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:17:01,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:17:01,463 INFO L85 PathProgramCache]: Analyzing trace with hash 151952652, now seen corresponding path program 1 times [2025-03-17 11:17:01,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:17:01,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153022123] [2025-03-17 11:17:01,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:17:01,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:17:01,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-03-17 11:17:01,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-03-17 11:17:01,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:17:01,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:17:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:17:02,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:17:02,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153022123] [2025-03-17 11:17:02,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153022123] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:17:02,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:17:02,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:17:02,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942379656] [2025-03-17 11:17:02,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:17:02,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:17:02,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:17:02,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:17:02,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:17:02,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 463 [2025-03-17 11:17:02,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 387 transitions, 940 flow. Second operand has 6 states, 6 states have (on average 406.8333333333333) internal successors, (2441), 6 states have internal predecessors, (2441), 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) [2025-03-17 11:17:02,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:17:02,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 463 [2025-03-17 11:17:02,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:17:06,483 INFO L124 PetriNetUnfolderBase]: 9265/31796 cut-off events. [2025-03-17 11:17:06,483 INFO L125 PetriNetUnfolderBase]: For 2473/2591 co-relation queries the response was YES. [2025-03-17 11:17:06,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53316 conditions, 31796 events. 9265/31796 cut-off events. For 2473/2591 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 354338 event pairs, 3988 based on Foata normal form. 1/28839 useless extension candidates. Maximal degree in co-relation 53141. Up to 11314 conditions per place. [2025-03-17 11:17:06,667 INFO L140 encePairwiseOnDemand]: 449/463 looper letters, 95 selfloop transitions, 46 changer transitions 0/483 dead transitions. [2025-03-17 11:17:06,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 483 transitions, 1496 flow [2025-03-17 11:17:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:17:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:17:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2555 transitions. [2025-03-17 11:17:06,671 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9197264218862491 [2025-03-17 11:17:06,671 INFO L175 Difference]: Start difference. First operand has 393 places, 387 transitions, 940 flow. Second operand 6 states and 2555 transitions. [2025-03-17 11:17:06,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 483 transitions, 1496 flow [2025-03-17 11:17:06,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 483 transitions, 1468 flow, removed 7 selfloop flow, removed 9 redundant places. [2025-03-17 11:17:06,697 INFO L231 Difference]: Finished difference. Result has 389 places, 432 transitions, 1247 flow [2025-03-17 11:17:06,697 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1247, PETRI_PLACES=389, PETRI_TRANSITIONS=432} [2025-03-17 11:17:06,698 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 0 predicate places. [2025-03-17 11:17:06,699 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 432 transitions, 1247 flow [2025-03-17 11:17:06,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 406.8333333333333) internal successors, (2441), 6 states have internal predecessors, (2441), 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) [2025-03-17 11:17:06,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:17:06,701 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:17:06,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 11:17:06,701 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:17:06,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:17:06,702 INFO L85 PathProgramCache]: Analyzing trace with hash -458440818, now seen corresponding path program 1 times [2025-03-17 11:17:06,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:17:06,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218369774] [2025-03-17 11:17:06,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:17:06,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:17:06,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-03-17 11:17:06,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-03-17 11:17:06,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:17:06,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:17:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:17:06,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:17:06,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218369774] [2025-03-17 11:17:06,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218369774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:17:06,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:17:06,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 11:17:06,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168080474] [2025-03-17 11:17:06,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:17:06,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 11:17:06,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:17:06,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 11:17:06,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 11:17:07,148 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 463 [2025-03-17 11:17:07,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 432 transitions, 1247 flow. Second operand has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2025-03-17 11:17:07,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:17:07,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 463 [2025-03-17 11:17:07,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:17:09,852 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([935] L1034-2-->L1034: Formula: (= (store |v_#race_32| v_~flags~0.base_13 (store (select |v_#race_32| v_~flags~0.base_13) (+ v_threadThread1of1ForFork0_~i~0_7 v_~flags~0.offset_13) |v_threadThread1of1ForFork0_#t~nondet8_3|)) |v_#race_31|) InVars {#race=|v_#race_32|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_13, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_13} OutVars{#race=|v_#race_31|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_13, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_13} AuxVars[] AssignedVars[#race][407], [Black: 478#true, Black: 482#true, 457#true, 484#(= |#race~flags~0| 0), Black: 488#(= |#race~threads_alive~0| 0), 173#L1042true, 343#L1034true, Black: 493#(= (select (select |#race| ~flags~0.base) (+ ~flags~0.offset cleanerThread1of1ForFork1_~i~1)) 0), Black: 523#(= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|), Black: 526#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 3 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), 455#true, Black: 525#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), Black: 524#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), 480#(= |#race~tids~0| 0), Black: 498#(= |ULTIMATE.start_main_~i~2#1| 0), 464#(= |#race~threads_total~0| 0), 521#true, 531#true, 144#L1066-3true, Black: 474#true, Black: 509#(= |#race~data~0| 0), 476#(= |#race~flags_mutex~0| 0)]) [2025-03-17 11:17:09,852 INFO L294 olderBase$Statistics]: this new event has 316 ancestors and is cut-off event [2025-03-17 11:17:09,853 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2025-03-17 11:17:09,853 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2025-03-17 11:17:09,853 INFO L297 olderBase$Statistics]: existing Event has 316 ancestors and is cut-off event [2025-03-17 11:17:12,473 INFO L124 PetriNetUnfolderBase]: 9899/40479 cut-off events. [2025-03-17 11:17:12,473 INFO L125 PetriNetUnfolderBase]: For 3920/6993 co-relation queries the response was YES. [2025-03-17 11:17:12,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67717 conditions, 40479 events. 9899/40479 cut-off events. For 3920/6993 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 493514 event pairs, 4533 based on Foata normal form. 306/36589 useless extension candidates. Maximal degree in co-relation 67548. Up to 11018 conditions per place. [2025-03-17 11:17:12,912 INFO L140 encePairwiseOnDemand]: 451/463 looper letters, 64 selfloop transitions, 14 changer transitions 10/481 dead transitions. [2025-03-17 11:17:12,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 481 transitions, 1526 flow [2025-03-17 11:17:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 11:17:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-17 11:17:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4228 transitions. [2025-03-17 11:17:12,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9131749460043197 [2025-03-17 11:17:12,918 INFO L175 Difference]: Start difference. First operand has 389 places, 432 transitions, 1247 flow. Second operand 10 states and 4228 transitions. [2025-03-17 11:17:12,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 481 transitions, 1526 flow [2025-03-17 11:17:12,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 481 transitions, 1526 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:17:12,937 INFO L231 Difference]: Finished difference. Result has 402 places, 439 transitions, 1314 flow [2025-03-17 11:17:12,937 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=1242, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1314, PETRI_PLACES=402, PETRI_TRANSITIONS=439} [2025-03-17 11:17:12,938 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 13 predicate places. [2025-03-17 11:17:12,938 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 439 transitions, 1314 flow [2025-03-17 11:17:12,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2025-03-17 11:17:12,939 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:17:12,939 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:17:12,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 11:17:12,939 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting cleanerErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:17:12,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:17:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1115954020, now seen corresponding path program 1 times [2025-03-17 11:17:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:17:12,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648346970] [2025-03-17 11:17:12,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:17:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:17:12,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 234 statements into 1 equivalence classes. [2025-03-17 11:17:12,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 234 of 234 statements. [2025-03-17 11:17:12,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:17:12,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:17:13,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:17:13,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:17:13,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648346970] [2025-03-17 11:17:13,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648346970] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:17:13,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:17:13,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 11:17:13,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519172606] [2025-03-17 11:17:13,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:17:13,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:17:13,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:17:13,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:17:13,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:17:13,648 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 463 [2025-03-17 11:17:13,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 439 transitions, 1314 flow. Second operand has 8 states, 8 states have (on average 410.875) internal successors, (3287), 8 states have internal predecessors, (3287), 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) [2025-03-17 11:17:13,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:17:13,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 463 [2025-03-17 11:17:13,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:17:20,091 INFO L124 PetriNetUnfolderBase]: 11380/45792 cut-off events. [2025-03-17 11:17:20,091 INFO L125 PetriNetUnfolderBase]: For 15766/17793 co-relation queries the response was YES. [2025-03-17 11:17:20,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85731 conditions, 45792 events. 11380/45792 cut-off events. For 15766/17793 co-relation queries the response was YES. Maximal size of possible extension queue 622. Compared 560623 event pairs, 3935 based on Foata normal form. 107/42140 useless extension candidates. Maximal degree in co-relation 85556. Up to 8316 conditions per place. [2025-03-17 11:17:20,444 INFO L140 encePairwiseOnDemand]: 450/463 looper letters, 101 selfloop transitions, 44 changer transitions 0/509 dead transitions. [2025-03-17 11:17:20,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 509 transitions, 1896 flow [2025-03-17 11:17:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 11:17:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-17 11:17:20,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4595 transitions. [2025-03-17 11:17:20,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9022187315923818 [2025-03-17 11:17:20,450 INFO L175 Difference]: Start difference. First operand has 402 places, 439 transitions, 1314 flow. Second operand 11 states and 4595 transitions. [2025-03-17 11:17:20,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 509 transitions, 1896 flow [2025-03-17 11:17:20,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 509 transitions, 1888 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-17 11:17:20,476 INFO L231 Difference]: Finished difference. Result has 412 places, 460 transitions, 1631 flow [2025-03-17 11:17:20,477 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1631, PETRI_PLACES=412, PETRI_TRANSITIONS=460} [2025-03-17 11:17:20,477 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 23 predicate places. [2025-03-17 11:17:20,477 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 460 transitions, 1631 flow [2025-03-17 11:17:20,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 410.875) internal successors, (3287), 8 states have internal predecessors, (3287), 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) [2025-03-17 11:17:20,478 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:17:20,478 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:17:20,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 11:17:20,479 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [cleanerErr10ASSERT_VIOLATIONDATA_RACE, cleanerErr9ASSERT_VIOLATIONDATA_RACE, cleanerErr8ASSERT_VIOLATIONDATA_RACE, cleanerErr7ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-17 11:17:20,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:17:20,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1994038990, now seen corresponding path program 1 times [2025-03-17 11:17:20,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:17:20,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101805830] [2025-03-17 11:17:20,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:17:20,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:17:20,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-03-17 11:17:20,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-03-17 11:17:20,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:17:20,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:17:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:17:20,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:17:20,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101805830] [2025-03-17 11:17:20,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101805830] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:17:20,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:17:20,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:17:20,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400317483] [2025-03-17 11:17:20,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:17:20,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:17:20,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:17:20,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:17:20,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:17:20,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 463 [2025-03-17 11:17:20,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 460 transitions, 1631 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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) [2025-03-17 11:17:20,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:17:20,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 463 [2025-03-17 11:17:20,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:17:22,403 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([935] L1034-2-->L1034: Formula: (= (store |v_#race_32| v_~flags~0.base_13 (store (select |v_#race_32| v_~flags~0.base_13) (+ v_threadThread1of1ForFork0_~i~0_7 v_~flags~0.offset_13) |v_threadThread1of1ForFork0_#t~nondet8_3|)) |v_#race_31|) InVars {#race=|v_#race_32|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_13, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_13} OutVars{#race=|v_#race_31|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_13, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_13} AuxVars[] AssignedVars[#race][386], [Black: 523#(= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|), Black: 526#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 3 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), 455#true, Black: 525#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), Black: 524#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), 480#(= |#race~tids~0| 0), Black: 474#true, 476#(= |#race~flags_mutex~0| 0), Black: 537#(= |cleanerThread1of1ForFork1_#t~mem11| 0), 570#true, Black: 536#(= (select (select |#memory_int| ~flags~0.base) (+ ~flags~0.offset cleanerThread1of1ForFork1_~i~1)) 0), Black: 478#true, Black: 543#(and (= ((as const (Array Int Int)) 0) (select |#memory_int| ~flags~0.base)) (= |cleanerThread1of1ForFork1_#t~mem11| 0)), Black: 535#(= ((as const (Array Int Int)) 0) (select |#memory_int| ~flags~0.base)), Black: 482#true, 457#true, 484#(= |#race~flags~0| 0), Black: 488#(= |#race~threads_alive~0| 0), 173#L1042true, 343#L1034true, Black: 493#(= (select (select |#race| ~flags~0.base) (+ ~flags~0.offset cleanerThread1of1ForFork1_~i~1)) 0), Black: 553#(not (= ~flags~0.base ~tids~0.base)), Black: 565#(and (not (= ~flags~0.base ~tids~0.base)) (= (select (select |#race| ~flags~0.base) (+ ~flags~0.offset cleanerThread1of1ForFork1_~i~1)) 0) (= 1 (select |#valid| ~tids~0.base))), Black: 554#(and (not (= ~flags~0.base ~tids~0.base)) (= (select (select |#race| ~flags~0.base) (+ ~flags~0.offset cleanerThread1of1ForFork1_~i~1)) 0)), Black: 498#(= |ULTIMATE.start_main_~i~2#1| 0), 521#true, 464#(= |#race~threads_total~0| 0), 563#(and (not (= ~flags~0.base ~tids~0.base)) (= 1 (select |#valid| ~tids~0.base))), 531#true, 144#L1066-3true, Black: 509#(= |#race~data~0| 0)]) [2025-03-17 11:17:22,404 INFO L294 olderBase$Statistics]: this new event has 316 ancestors and is cut-off event [2025-03-17 11:17:22,404 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2025-03-17 11:17:22,404 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2025-03-17 11:17:22,404 INFO L297 olderBase$Statistics]: existing Event has 316 ancestors and is cut-off event