./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:08:24,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:08:24,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:08:24,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:08:24,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:08:24,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:08:24,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:08:24,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:08:24,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:08:24,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:08:24,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:08:24,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:08:24,412 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:08:24,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:08:24,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:08:24,412 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:08:24,413 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:08:24,414 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:08:24,414 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:08:24,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:08:24,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:08:24,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:08:24,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:08:24,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:08:24,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:08:24,415 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 -> 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 [2025-03-08 22:08:24,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:08:24,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:08:24,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:08:24,663 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:08:24,663 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:08:24,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2025-03-08 22:08:25,803 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c174e18/06f3b5bf8cf64cb59783803866b9b559/FLAG8414847a2 [2025-03-08 22:08:26,031 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:08:26,033 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2025-03-08 22:08:26,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c174e18/06f3b5bf8cf64cb59783803866b9b559/FLAG8414847a2 [2025-03-08 22:08:26,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c174e18/06f3b5bf8cf64cb59783803866b9b559 [2025-03-08 22:08:26,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:08:26,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:08:26,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:08:26,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:08:26,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:08:26,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68001dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26, skipping insertion in model container [2025-03-08 22:08:26,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:08:26,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:08:26,526 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:08:26,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:08:26,562 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:08:26,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26 WrapperNode [2025-03-08 22:08:26,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:08:26,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:08:26,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:08:26,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:08:26,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,614 INFO L138 Inliner]: procedures = 23, calls = 32, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 394 [2025-03-08 22:08:26,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:08:26,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:08:26,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:08:26,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:08:26,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,646 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:08:26,660 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:08:26,661 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:08:26,661 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:08:26,665 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (1/1) ... [2025-03-08 22:08:26,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:08:26,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:08:26,692 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) [2025-03-08 22:08:26,694 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 [2025-03-08 22:08:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:08:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:08:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:08:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:08:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:08:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:08:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 22:08:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 22:08:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:08:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:08:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 22:08:26,714 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 22:08:26,801 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:08:26,802 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:08:27,327 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:08:27,328 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:08:27,352 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:08:27,352 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:08:27,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:27 BoogieIcfgContainer [2025-03-08 22:08:27,352 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:08:27,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:08:27,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:08:27,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:08:27,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:08:26" (1/3) ... [2025-03-08 22:08:27,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15287136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:08:27, skipping insertion in model container [2025-03-08 22:08:27,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:26" (2/3) ... [2025-03-08 22:08:27,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15287136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:08:27, skipping insertion in model container [2025-03-08 22:08:27,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:27" (3/3) ... [2025-03-08 22:08:27,362 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2025-03-08 22:08:27,372 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:08:27,375 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-4.wvr.c that has 3 procedures, 505 locations, 1 initial locations, 3 loop locations, and 69 error locations. [2025-03-08 22:08:27,376 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:08:27,525 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 22:08:27,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 511 places, 532 transitions, 1078 flow [2025-03-08 22:08:27,702 INFO L124 PetriNetUnfolderBase]: 28/530 cut-off events. [2025-03-08 22:08:27,705 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:08:27,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 530 events. 28/530 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1488 event pairs, 0 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 405. Up to 2 conditions per place. [2025-03-08 22:08:27,713 INFO L82 GeneralOperation]: Start removeDead. Operand has 511 places, 532 transitions, 1078 flow [2025-03-08 22:08:27,720 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 493 places, 513 transitions, 1038 flow [2025-03-08 22:08:27,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:08:27,733 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;@1f1f6b03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:08:27,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2025-03-08 22:08:27,739 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:08:27,739 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-08 22:08:27,739 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:08:27,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:27,740 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] [2025-03-08 22:08:27,740 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:27,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1932407279, now seen corresponding path program 1 times [2025-03-08 22:08:27,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:27,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347681324] [2025-03-08 22:08:27,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:27,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:27,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-08 22:08:27,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-08 22:08:27,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:27,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:27,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:27,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347681324] [2025-03-08 22:08:27,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347681324] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:27,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:27,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:27,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393577147] [2025-03-08 22:08:27,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:27,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:27,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:27,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:27,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:27,927 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 532 [2025-03-08 22:08:27,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 513 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2025-03-08 22:08:27,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:27,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 532 [2025-03-08 22:08:27,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:28,102 INFO L124 PetriNetUnfolderBase]: 33/772 cut-off events. [2025-03-08 22:08:28,102 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-08 22:08:28,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 772 events. 33/772 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3532 event pairs, 9 based on Foata normal form. 16/640 useless extension candidates. Maximal degree in co-relation 683. Up to 36 conditions per place. [2025-03-08 22:08:28,112 INFO L140 encePairwiseOnDemand]: 516/532 looper letters, 12 selfloop transitions, 2 changer transitions 3/499 dead transitions. [2025-03-08 22:08:28,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 499 transitions, 1038 flow [2025-03-08 22:08:28,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1531 transitions. [2025-03-08 22:08:28,130 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9592731829573935 [2025-03-08 22:08:28,131 INFO L175 Difference]: Start difference. First operand has 493 places, 513 transitions, 1038 flow. Second operand 3 states and 1531 transitions. [2025-03-08 22:08:28,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 499 transitions, 1038 flow [2025-03-08 22:08:28,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 499 transitions, 1030 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-08 22:08:28,149 INFO L231 Difference]: Finished difference. Result has 490 places, 496 transitions, 1000 flow [2025-03-08 22:08:28,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1000, PETRI_PLACES=490, PETRI_TRANSITIONS=496} [2025-03-08 22:08:28,155 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -3 predicate places. [2025-03-08 22:08:28,155 INFO L471 AbstractCegarLoop]: Abstraction has has 490 places, 496 transitions, 1000 flow [2025-03-08 22:08:28,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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) [2025-03-08 22:08:28,157 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:28,157 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:28,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:08:28,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:28,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:28,158 INFO L85 PathProgramCache]: Analyzing trace with hash -88266449, now seen corresponding path program 1 times [2025-03-08 22:08:28,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585362122] [2025-03-08 22:08:28,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:28,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 22:08:28,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 22:08:28,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:28,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:28,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:28,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585362122] [2025-03-08 22:08:28,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585362122] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:28,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:28,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:28,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620362835] [2025-03-08 22:08:28,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:28,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:28,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:28,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:28,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:28,255 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 496 out of 532 [2025-03-08 22:08:28,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 496 transitions, 1000 flow. Second operand has 3 states, 3 states have (on average 497.3333333333333) internal successors, (1492), 3 states have internal predecessors, (1492), 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) [2025-03-08 22:08:28,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:28,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 496 of 532 [2025-03-08 22:08:28,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:28,356 INFO L124 PetriNetUnfolderBase]: 40/852 cut-off events. [2025-03-08 22:08:28,357 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2025-03-08 22:08:28,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 852 events. 40/852 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3787 event pairs, 15 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 881. Up to 48 conditions per place. [2025-03-08 22:08:28,363 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 17 selfloop transitions, 2 changer transitions 0/495 dead transitions. [2025-03-08 22:08:28,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 495 transitions, 1036 flow [2025-03-08 22:08:28,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1508 transitions. [2025-03-08 22:08:28,367 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9448621553884712 [2025-03-08 22:08:28,367 INFO L175 Difference]: Start difference. First operand has 490 places, 496 transitions, 1000 flow. Second operand 3 states and 1508 transitions. [2025-03-08 22:08:28,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 495 transitions, 1036 flow [2025-03-08 22:08:28,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 495 transitions, 1032 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:28,376 INFO L231 Difference]: Finished difference. Result has 486 places, 495 transitions, 998 flow [2025-03-08 22:08:28,377 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=998, PETRI_PLACES=486, PETRI_TRANSITIONS=495} [2025-03-08 22:08:28,378 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -7 predicate places. [2025-03-08 22:08:28,378 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 495 transitions, 998 flow [2025-03-08 22:08:28,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 497.3333333333333) internal successors, (1492), 3 states have internal predecessors, (1492), 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) [2025-03-08 22:08:28,379 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:28,379 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] [2025-03-08 22:08:28,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:08:28,379 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:28,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1715025514, now seen corresponding path program 1 times [2025-03-08 22:08:28,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:28,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902374248] [2025-03-08 22:08:28,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:28,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:28,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 22:08:28,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 22:08:28,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:28,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:28,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:28,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902374248] [2025-03-08 22:08:28,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902374248] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:28,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:28,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:28,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858797571] [2025-03-08 22:08:28,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:28,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:28,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:28,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:28,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:28,469 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 532 [2025-03-08 22:08:28,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 495 transitions, 998 flow. Second operand has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 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) [2025-03-08 22:08:28,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:28,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 532 [2025-03-08 22:08:28,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:28,719 INFO L124 PetriNetUnfolderBase]: 142/1933 cut-off events. [2025-03-08 22:08:28,720 INFO L125 PetriNetUnfolderBase]: For 33/34 co-relation queries the response was YES. [2025-03-08 22:08:28,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2100 conditions, 1933 events. 142/1933 cut-off events. For 33/34 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 12089 event pairs, 44 based on Foata normal form. 0/1554 useless extension candidates. Maximal degree in co-relation 2064. Up to 157 conditions per place. [2025-03-08 22:08:28,733 INFO L140 encePairwiseOnDemand]: 521/532 looper letters, 24 selfloop transitions, 1 changer transitions 0/485 dead transitions. [2025-03-08 22:08:28,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 485 transitions, 1028 flow [2025-03-08 22:08:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1481 transitions. [2025-03-08 22:08:28,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9279448621553885 [2025-03-08 22:08:28,739 INFO L175 Difference]: Start difference. First operand has 486 places, 495 transitions, 998 flow. Second operand 3 states and 1481 transitions. [2025-03-08 22:08:28,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 485 transitions, 1028 flow [2025-03-08 22:08:28,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 485 transitions, 1024 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:28,745 INFO L231 Difference]: Finished difference. Result has 476 places, 485 transitions, 976 flow [2025-03-08 22:08:28,746 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=976, PETRI_PLACES=476, PETRI_TRANSITIONS=485} [2025-03-08 22:08:28,746 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -17 predicate places. [2025-03-08 22:08:28,746 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 485 transitions, 976 flow [2025-03-08 22:08:28,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 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) [2025-03-08 22:08:28,748 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:28,748 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] [2025-03-08 22:08:28,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:08:28,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:28,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:28,749 INFO L85 PathProgramCache]: Analyzing trace with hash -318588185, now seen corresponding path program 1 times [2025-03-08 22:08:28,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:28,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576777735] [2025-03-08 22:08:28,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:28,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:28,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-08 22:08:28,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-08 22:08:28,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:28,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:28,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:28,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576777735] [2025-03-08 22:08:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576777735] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:28,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:28,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506994072] [2025-03-08 22:08:28,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:28,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:28,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:28,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:28,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:28,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 532 [2025-03-08 22:08:28,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 485 transitions, 976 flow. Second operand has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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) [2025-03-08 22:08:28,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:28,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 532 [2025-03-08 22:08:28,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:28,963 INFO L124 PetriNetUnfolderBase]: 40/834 cut-off events. [2025-03-08 22:08:28,963 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2025-03-08 22:08:28,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 834 events. 40/834 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3609 event pairs, 15 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 852. Up to 46 conditions per place. [2025-03-08 22:08:28,967 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 15 selfloop transitions, 2 changer transitions 0/484 dead transitions. [2025-03-08 22:08:28,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 484 transitions, 1008 flow [2025-03-08 22:08:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2025-03-08 22:08:28,970 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9473684210526315 [2025-03-08 22:08:28,970 INFO L175 Difference]: Start difference. First operand has 476 places, 485 transitions, 976 flow. Second operand 3 states and 1512 transitions. [2025-03-08 22:08:28,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 484 transitions, 1008 flow [2025-03-08 22:08:28,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 484 transitions, 1007 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:08:28,975 INFO L231 Difference]: Finished difference. Result has 476 places, 484 transitions, 977 flow [2025-03-08 22:08:28,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=973, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=977, PETRI_PLACES=476, PETRI_TRANSITIONS=484} [2025-03-08 22:08:28,976 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -17 predicate places. [2025-03-08 22:08:28,976 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 484 transitions, 977 flow [2025-03-08 22:08:28,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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) [2025-03-08 22:08:28,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:28,977 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] [2025-03-08 22:08:28,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:08:28,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:28,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1071952315, now seen corresponding path program 1 times [2025-03-08 22:08:28,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:28,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862454308] [2025-03-08 22:08:28,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:28,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:28,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-08 22:08:28,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-08 22:08:28,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:28,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:29,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:29,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862454308] [2025-03-08 22:08:29,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862454308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:29,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:29,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:08:29,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513629401] [2025-03-08 22:08:29,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:29,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:08:29,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:29,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:08:29,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:08:29,790 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 532 [2025-03-08 22:08:29,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 484 transitions, 977 flow. Second operand has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 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) [2025-03-08 22:08:29,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:29,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 532 [2025-03-08 22:08:29,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:30,009 INFO L124 PetriNetUnfolderBase]: 289/2555 cut-off events. [2025-03-08 22:08:30,010 INFO L125 PetriNetUnfolderBase]: For 60/61 co-relation queries the response was YES. [2025-03-08 22:08:30,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 2555 events. 289/2555 cut-off events. For 60/61 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 17198 event pairs, 144 based on Foata normal form. 0/2068 useless extension candidates. Maximal degree in co-relation 2944. Up to 408 conditions per place. [2025-03-08 22:08:30,033 INFO L140 encePairwiseOnDemand]: 526/532 looper letters, 44 selfloop transitions, 5 changer transitions 0/483 dead transitions. [2025-03-08 22:08:30,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 483 transitions, 1073 flow [2025-03-08 22:08:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:08:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:08:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2852 transitions. [2025-03-08 22:08:30,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893483709273183 [2025-03-08 22:08:30,038 INFO L175 Difference]: Start difference. First operand has 476 places, 484 transitions, 977 flow. Second operand 6 states and 2852 transitions. [2025-03-08 22:08:30,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 483 transitions, 1073 flow [2025-03-08 22:08:30,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 483 transitions, 1069 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:30,047 INFO L231 Difference]: Finished difference. Result has 478 places, 483 transitions, 981 flow [2025-03-08 22:08:30,050 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=981, PETRI_PLACES=478, PETRI_TRANSITIONS=483} [2025-03-08 22:08:30,051 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -15 predicate places. [2025-03-08 22:08:30,051 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 483 transitions, 981 flow [2025-03-08 22:08:30,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 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) [2025-03-08 22:08:30,054 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:30,054 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:30,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:08:30,054 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:30,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:30,055 INFO L85 PathProgramCache]: Analyzing trace with hash 380983176, now seen corresponding path program 1 times [2025-03-08 22:08:30,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:30,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705770085] [2025-03-08 22:08:30,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:30,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:30,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-08 22:08:30,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-08 22:08:30,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:30,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:30,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:30,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705770085] [2025-03-08 22:08:30,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705770085] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:30,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:30,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:30,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923667893] [2025-03-08 22:08:30,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:30,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:30,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:30,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:30,122 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 532 [2025-03-08 22:08:30,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 483 transitions, 981 flow. Second operand has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 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) [2025-03-08 22:08:30,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:30,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 532 [2025-03-08 22:08:30,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:30,242 INFO L124 PetriNetUnfolderBase]: 84/1574 cut-off events. [2025-03-08 22:08:30,242 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-08 22:08:30,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 1574 events. 84/1574 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9527 event pairs, 17 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1649. Up to 77 conditions per place. [2025-03-08 22:08:30,249 INFO L140 encePairwiseOnDemand]: 525/532 looper letters, 16 selfloop transitions, 2 changer transitions 0/481 dead transitions. [2025-03-08 22:08:30,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 481 transitions, 1014 flow [2025-03-08 22:08:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2025-03-08 22:08:30,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9486215538847118 [2025-03-08 22:08:30,252 INFO L175 Difference]: Start difference. First operand has 478 places, 483 transitions, 981 flow. Second operand 3 states and 1514 transitions. [2025-03-08 22:08:30,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 481 transitions, 1014 flow [2025-03-08 22:08:30,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 481 transitions, 1004 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:08:30,261 INFO L231 Difference]: Finished difference. Result has 471 places, 480 transitions, 975 flow [2025-03-08 22:08:30,261 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=975, PETRI_PLACES=471, PETRI_TRANSITIONS=480} [2025-03-08 22:08:30,262 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -22 predicate places. [2025-03-08 22:08:30,263 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 480 transitions, 975 flow [2025-03-08 22:08:30,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 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) [2025-03-08 22:08:30,264 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:30,264 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:30,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:08:30,264 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:30,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:30,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1727735288, now seen corresponding path program 1 times [2025-03-08 22:08:30,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:30,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972007578] [2025-03-08 22:08:30,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:30,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-08 22:08:30,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-08 22:08:30,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:30,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:30,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:30,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972007578] [2025-03-08 22:08:30,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972007578] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:30,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:30,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045808137] [2025-03-08 22:08:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:30,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:30,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:30,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:30,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:30,330 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 532 [2025-03-08 22:08:30,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 480 transitions, 975 flow. Second operand has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 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) [2025-03-08 22:08:30,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:30,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 532 [2025-03-08 22:08:30,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:30,421 INFO L124 PetriNetUnfolderBase]: 46/1161 cut-off events. [2025-03-08 22:08:30,422 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2025-03-08 22:08:30,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1212 conditions, 1161 events. 46/1161 cut-off events. For 2/8 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5488 event pairs, 1 based on Foata normal form. 1/971 useless extension candidates. Maximal degree in co-relation 1177. Up to 20 conditions per place. [2025-03-08 22:08:30,428 INFO L140 encePairwiseOnDemand]: 525/532 looper letters, 11 selfloop transitions, 3 changer transitions 0/477 dead transitions. [2025-03-08 22:08:30,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 477 transitions, 998 flow [2025-03-08 22:08:30,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1518 transitions. [2025-03-08 22:08:30,431 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9511278195488722 [2025-03-08 22:08:30,431 INFO L175 Difference]: Start difference. First operand has 471 places, 480 transitions, 975 flow. Second operand 3 states and 1518 transitions. [2025-03-08 22:08:30,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 477 transitions, 998 flow [2025-03-08 22:08:30,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 477 transitions, 998 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:08:30,438 INFO L231 Difference]: Finished difference. Result has 469 places, 476 transitions, 973 flow [2025-03-08 22:08:30,439 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=973, PETRI_PLACES=469, PETRI_TRANSITIONS=476} [2025-03-08 22:08:30,440 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -24 predicate places. [2025-03-08 22:08:30,440 INFO L471 AbstractCegarLoop]: Abstraction has has 469 places, 476 transitions, 973 flow [2025-03-08 22:08:30,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 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) [2025-03-08 22:08:30,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:30,441 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] [2025-03-08 22:08:30,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:08:30,442 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err51ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:30,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:30,442 INFO L85 PathProgramCache]: Analyzing trace with hash -742922343, now seen corresponding path program 1 times [2025-03-08 22:08:30,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:30,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380433194] [2025-03-08 22:08:30,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:30,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-08 22:08:30,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-08 22:08:30,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:30,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:30,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:30,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380433194] [2025-03-08 22:08:30,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380433194] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:30,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:30,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:30,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252853182] [2025-03-08 22:08:30,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:30,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:30,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:30,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:30,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:30,597 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 532 [2025-03-08 22:08:30,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 476 transitions, 973 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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) [2025-03-08 22:08:30,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:30,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 532 [2025-03-08 22:08:30,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:30,701 INFO L124 PetriNetUnfolderBase]: 83/1035 cut-off events. [2025-03-08 22:08:30,701 INFO L125 PetriNetUnfolderBase]: For 51/52 co-relation queries the response was YES. [2025-03-08 22:08:30,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256 conditions, 1035 events. 83/1035 cut-off events. For 51/52 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5361 event pairs, 7 based on Foata normal form. 1/919 useless extension candidates. Maximal degree in co-relation 1220. Up to 169 conditions per place. [2025-03-08 22:08:30,707 INFO L140 encePairwiseOnDemand]: 495/532 looper letters, 39 selfloop transitions, 14 changer transitions 4/455 dead transitions. [2025-03-08 22:08:30,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 455 transitions, 1042 flow [2025-03-08 22:08:30,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1397 transitions. [2025-03-08 22:08:30,710 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.87531328320802 [2025-03-08 22:08:30,710 INFO L175 Difference]: Start difference. First operand has 469 places, 476 transitions, 973 flow. Second operand 3 states and 1397 transitions. [2025-03-08 22:08:30,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 455 transitions, 1042 flow [2025-03-08 22:08:30,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 455 transitions, 1036 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:30,716 INFO L231 Difference]: Finished difference. Result has 447 places, 450 transitions, 942 flow [2025-03-08 22:08:30,716 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=942, PETRI_PLACES=447, PETRI_TRANSITIONS=450} [2025-03-08 22:08:30,717 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2025-03-08 22:08:30,717 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 450 transitions, 942 flow [2025-03-08 22:08:30,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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) [2025-03-08 22:08:30,718 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:30,718 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:30,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:08:30,718 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:30,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:30,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1177559542, now seen corresponding path program 1 times [2025-03-08 22:08:30,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:30,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454875094] [2025-03-08 22:08:30,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:30,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:30,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-08 22:08:30,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-08 22:08:30,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:30,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:30,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:30,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454875094] [2025-03-08 22:08:30,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454875094] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:30,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:30,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:30,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844588969] [2025-03-08 22:08:30,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:30,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:30,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:30,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:30,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:30,776 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 488 out of 532 [2025-03-08 22:08:30,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 450 transitions, 942 flow. Second operand has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 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) [2025-03-08 22:08:30,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:30,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 488 of 532 [2025-03-08 22:08:30,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:30,920 INFO L124 PetriNetUnfolderBase]: 139/2007 cut-off events. [2025-03-08 22:08:30,921 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-08 22:08:30,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 2007 events. 139/2007 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 12709 event pairs, 15 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2226. Up to 143 conditions per place. [2025-03-08 22:08:30,928 INFO L140 encePairwiseOnDemand]: 519/532 looper letters, 22 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2025-03-08 22:08:30,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 449 transitions, 996 flow [2025-03-08 22:08:30,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1499 transitions. [2025-03-08 22:08:30,932 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9392230576441103 [2025-03-08 22:08:30,932 INFO L175 Difference]: Start difference. First operand has 447 places, 450 transitions, 942 flow. Second operand 3 states and 1499 transitions. [2025-03-08 22:08:30,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 449 transitions, 996 flow [2025-03-08 22:08:30,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 449 transitions, 968 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:30,938 INFO L231 Difference]: Finished difference. Result has 436 places, 447 transitions, 933 flow [2025-03-08 22:08:30,938 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=933, PETRI_PLACES=436, PETRI_TRANSITIONS=447} [2025-03-08 22:08:30,940 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -57 predicate places. [2025-03-08 22:08:30,940 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 447 transitions, 933 flow [2025-03-08 22:08:30,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 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) [2025-03-08 22:08:30,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:30,941 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:30,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:08:30,941 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:30,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:30,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1762939354, now seen corresponding path program 1 times [2025-03-08 22:08:30,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:30,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122147245] [2025-03-08 22:08:30,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:30,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:30,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 22:08:30,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 22:08:30,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:30,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:31,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:31,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122147245] [2025-03-08 22:08:31,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122147245] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:31,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:31,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:08:31,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625850722] [2025-03-08 22:08:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:31,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 22:08:31,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:31,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 22:08:31,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:08:31,076 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 532 [2025-03-08 22:08:31,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 447 transitions, 933 flow. Second operand has 4 states, 4 states have (on average 507.25) internal successors, (2029), 4 states have internal predecessors, (2029), 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) [2025-03-08 22:08:31,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:31,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 532 [2025-03-08 22:08:31,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:31,301 INFO L124 PetriNetUnfolderBase]: 127/2483 cut-off events. [2025-03-08 22:08:31,301 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:08:31,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2639 conditions, 2483 events. 127/2483 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 16446 event pairs, 7 based on Foata normal form. 0/2213 useless extension candidates. Maximal degree in co-relation 2602. Up to 59 conditions per place. [2025-03-08 22:08:31,315 INFO L140 encePairwiseOnDemand]: 526/532 looper letters, 13 selfloop transitions, 6 changer transitions 0/456 dead transitions. [2025-03-08 22:08:31,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 456 transitions, 993 flow [2025-03-08 22:08:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 22:08:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-08 22:08:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2550 transitions. [2025-03-08 22:08:31,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9586466165413534 [2025-03-08 22:08:31,320 INFO L175 Difference]: Start difference. First operand has 436 places, 447 transitions, 933 flow. Second operand 5 states and 2550 transitions. [2025-03-08 22:08:31,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 456 transitions, 993 flow [2025-03-08 22:08:31,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 456 transitions, 993 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:08:31,327 INFO L231 Difference]: Finished difference. Result has 443 places, 451 transitions, 971 flow [2025-03-08 22:08:31,328 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=971, PETRI_PLACES=443, PETRI_TRANSITIONS=451} [2025-03-08 22:08:31,329 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -50 predicate places. [2025-03-08 22:08:31,330 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 451 transitions, 971 flow [2025-03-08 22:08:31,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 507.25) internal successors, (2029), 4 states have internal predecessors, (2029), 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) [2025-03-08 22:08:31,331 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:31,331 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] [2025-03-08 22:08:31,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:08:31,331 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:31,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:31,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2028307314, now seen corresponding path program 1 times [2025-03-08 22:08:31,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:31,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894901569] [2025-03-08 22:08:31,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:31,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:31,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 22:08:31,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 22:08:31,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:31,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:31,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:31,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894901569] [2025-03-08 22:08:31,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894901569] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:31,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:31,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:08:31,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212094590] [2025-03-08 22:08:31,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:31,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:08:31,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:31,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:08:31,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:08:32,059 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 499 out of 532 [2025-03-08 22:08:32,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 451 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 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) [2025-03-08 22:08:32,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:32,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 499 of 532 [2025-03-08 22:08:32,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:32,221 INFO L124 PetriNetUnfolderBase]: 102/1913 cut-off events. [2025-03-08 22:08:32,222 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-08 22:08:32,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 1913 events. 102/1913 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11511 event pairs, 6 based on Foata normal form. 0/1717 useless extension candidates. Maximal degree in co-relation 2053. Up to 46 conditions per place. [2025-03-08 22:08:32,232 INFO L140 encePairwiseOnDemand]: 526/532 looper letters, 15 selfloop transitions, 6 changer transitions 0/454 dead transitions. [2025-03-08 22:08:32,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 454 transitions, 1023 flow [2025-03-08 22:08:32,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:08:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:08:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3015 transitions. [2025-03-08 22:08:32,237 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9445488721804511 [2025-03-08 22:08:32,237 INFO L175 Difference]: Start difference. First operand has 443 places, 451 transitions, 971 flow. Second operand 6 states and 3015 transitions. [2025-03-08 22:08:32,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 454 transitions, 1023 flow [2025-03-08 22:08:32,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 454 transitions, 1023 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:08:32,243 INFO L231 Difference]: Finished difference. Result has 447 places, 450 transitions, 981 flow [2025-03-08 22:08:32,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=981, PETRI_PLACES=447, PETRI_TRANSITIONS=450} [2025-03-08 22:08:32,244 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2025-03-08 22:08:32,244 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 450 transitions, 981 flow [2025-03-08 22:08:32,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 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) [2025-03-08 22:08:32,246 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:32,246 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:32,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:08:32,246 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err46ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:32,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash 368254996, now seen corresponding path program 1 times [2025-03-08 22:08:32,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:32,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868799446] [2025-03-08 22:08:32,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:32,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 22:08:32,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 22:08:32,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:32,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:32,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:32,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868799446] [2025-03-08 22:08:32,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868799446] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:32,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:32,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:08:32,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248085433] [2025-03-08 22:08:32,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:32,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 22:08:32,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:32,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 22:08:32,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:08:32,495 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 532 [2025-03-08 22:08:32,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 450 transitions, 981 flow. Second operand has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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) [2025-03-08 22:08:32,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:32,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 532 [2025-03-08 22:08:32,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:32,710 INFO L124 PetriNetUnfolderBase]: 155/2631 cut-off events. [2025-03-08 22:08:32,710 INFO L125 PetriNetUnfolderBase]: For 48/49 co-relation queries the response was YES. [2025-03-08 22:08:32,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2967 conditions, 2631 events. 155/2631 cut-off events. For 48/49 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 16768 event pairs, 14 based on Foata normal form. 0/2357 useless extension candidates. Maximal degree in co-relation 2924. Up to 111 conditions per place. [2025-03-08 22:08:32,726 INFO L140 encePairwiseOnDemand]: 523/532 looper letters, 18 selfloop transitions, 9 changer transitions 0/461 dead transitions. [2025-03-08 22:08:32,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 461 transitions, 1060 flow [2025-03-08 22:08:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 22:08:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-08 22:08:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2528 transitions. [2025-03-08 22:08:32,730 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9503759398496241 [2025-03-08 22:08:32,730 INFO L175 Difference]: Start difference. First operand has 447 places, 450 transitions, 981 flow. Second operand 5 states and 2528 transitions. [2025-03-08 22:08:32,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 461 transitions, 1060 flow [2025-03-08 22:08:32,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 461 transitions, 1048 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:08:32,736 INFO L231 Difference]: Finished difference. Result has 449 places, 457 transitions, 1031 flow [2025-03-08 22:08:32,737 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1031, PETRI_PLACES=449, PETRI_TRANSITIONS=457} [2025-03-08 22:08:32,738 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -44 predicate places. [2025-03-08 22:08:32,738 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 457 transitions, 1031 flow [2025-03-08 22:08:32,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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) [2025-03-08 22:08:32,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:32,739 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] [2025-03-08 22:08:32,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:08:32,739 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:32,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1195863760, now seen corresponding path program 1 times [2025-03-08 22:08:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:32,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453617921] [2025-03-08 22:08:32,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:32,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-08 22:08:32,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-08 22:08:32,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:32,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:32,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453617921] [2025-03-08 22:08:32,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453617921] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:32,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:32,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:32,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134582117] [2025-03-08 22:08:32,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:32,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:32,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:32,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:32,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:32,788 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 504 out of 532 [2025-03-08 22:08:32,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 457 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2025-03-08 22:08:32,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:32,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 504 of 532 [2025-03-08 22:08:32,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:33,059 INFO L124 PetriNetUnfolderBase]: 176/3706 cut-off events. [2025-03-08 22:08:33,060 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2025-03-08 22:08:33,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4114 conditions, 3706 events. 176/3706 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 27704 event pairs, 18 based on Foata normal form. 0/3331 useless extension candidates. Maximal degree in co-relation 4068. Up to 91 conditions per place. [2025-03-08 22:08:33,079 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 9 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2025-03-08 22:08:33,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 457 transitions, 1054 flow [2025-03-08 22:08:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2025-03-08 22:08:33,082 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9548872180451128 [2025-03-08 22:08:33,082 INFO L175 Difference]: Start difference. First operand has 449 places, 457 transitions, 1031 flow. Second operand 3 states and 1524 transitions. [2025-03-08 22:08:33,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 457 transitions, 1054 flow [2025-03-08 22:08:33,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 457 transitions, 1054 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:08:33,088 INFO L231 Difference]: Finished difference. Result has 450 places, 456 transitions, 1033 flow [2025-03-08 22:08:33,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=450, PETRI_TRANSITIONS=456} [2025-03-08 22:08:33,089 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -43 predicate places. [2025-03-08 22:08:33,089 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 456 transitions, 1033 flow [2025-03-08 22:08:33,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2025-03-08 22:08:33,090 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:33,090 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] [2025-03-08 22:08:33,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 22:08:33,090 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:33,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:33,091 INFO L85 PathProgramCache]: Analyzing trace with hash 436830240, now seen corresponding path program 1 times [2025-03-08 22:08:33,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:33,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476986874] [2025-03-08 22:08:33,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:33,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:33,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-08 22:08:33,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-08 22:08:33,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:33,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:33,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:33,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476986874] [2025-03-08 22:08:33,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476986874] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:33,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:33,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 22:08:33,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186994797] [2025-03-08 22:08:33,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:33,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 22:08:33,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:33,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 22:08:33,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 22:08:33,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 532 [2025-03-08 22:08:33,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 456 transitions, 1033 flow. Second operand has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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) [2025-03-08 22:08:33,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:33,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 532 [2025-03-08 22:08:33,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:33,538 INFO L124 PetriNetUnfolderBase]: 152/2619 cut-off events. [2025-03-08 22:08:33,538 INFO L125 PetriNetUnfolderBase]: For 148/149 co-relation queries the response was YES. [2025-03-08 22:08:33,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3045 conditions, 2619 events. 152/2619 cut-off events. For 148/149 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 16645 event pairs, 14 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 2997. Up to 111 conditions per place. [2025-03-08 22:08:33,554 INFO L140 encePairwiseOnDemand]: 523/532 looper letters, 18 selfloop transitions, 9 changer transitions 0/463 dead transitions. [2025-03-08 22:08:33,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 463 transitions, 1104 flow [2025-03-08 22:08:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 22:08:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-08 22:08:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2528 transitions. [2025-03-08 22:08:33,558 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9503759398496241 [2025-03-08 22:08:33,558 INFO L175 Difference]: Start difference. First operand has 450 places, 456 transitions, 1033 flow. Second operand 5 states and 2528 transitions. [2025-03-08 22:08:33,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 463 transitions, 1104 flow [2025-03-08 22:08:33,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 463 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:33,565 INFO L231 Difference]: Finished difference. Result has 455 places, 459 transitions, 1075 flow [2025-03-08 22:08:33,566 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1075, PETRI_PLACES=455, PETRI_TRANSITIONS=459} [2025-03-08 22:08:33,566 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -38 predicate places. [2025-03-08 22:08:33,566 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 459 transitions, 1075 flow [2025-03-08 22:08:33,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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) [2025-03-08 22:08:33,567 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:33,568 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] [2025-03-08 22:08:33,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 22:08:33,568 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err46ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:33,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:33,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1818347875, now seen corresponding path program 1 times [2025-03-08 22:08:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:33,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386602141] [2025-03-08 22:08:33,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:33,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-08 22:08:33,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-08 22:08:33,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:33,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:33,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:33,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386602141] [2025-03-08 22:08:33,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386602141] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:33,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:33,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:08:33,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930480020] [2025-03-08 22:08:33,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:33,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:08:33,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:33,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:08:33,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:08:34,229 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 532 [2025-03-08 22:08:34,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 459 transitions, 1075 flow. Second operand has 6 states, 6 states have (on average 458.6666666666667) internal successors, (2752), 6 states have internal predecessors, (2752), 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) [2025-03-08 22:08:34,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:34,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 532 [2025-03-08 22:08:34,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:34,461 INFO L124 PetriNetUnfolderBase]: 226/2195 cut-off events. [2025-03-08 22:08:34,461 INFO L125 PetriNetUnfolderBase]: For 305/306 co-relation queries the response was YES. [2025-03-08 22:08:34,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3050 conditions, 2195 events. 226/2195 cut-off events. For 305/306 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 13384 event pairs, 24 based on Foata normal form. 0/2037 useless extension candidates. Maximal degree in co-relation 2997. Up to 176 conditions per place. [2025-03-08 22:08:34,472 INFO L140 encePairwiseOnDemand]: 490/532 looper letters, 21 selfloop transitions, 39 changer transitions 0/456 dead transitions. [2025-03-08 22:08:34,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 456 transitions, 1193 flow [2025-03-08 22:08:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:08:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:08:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2805 transitions. [2025-03-08 22:08:34,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8787593984962406 [2025-03-08 22:08:34,477 INFO L175 Difference]: Start difference. First operand has 455 places, 459 transitions, 1075 flow. Second operand 6 states and 2805 transitions. [2025-03-08 22:08:34,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 456 transitions, 1193 flow [2025-03-08 22:08:34,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 456 transitions, 1193 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:08:34,482 INFO L231 Difference]: Finished difference. Result has 453 places, 452 transitions, 1139 flow [2025-03-08 22:08:34,483 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1139, PETRI_PLACES=453, PETRI_TRANSITIONS=452} [2025-03-08 22:08:34,483 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -40 predicate places. [2025-03-08 22:08:34,483 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 452 transitions, 1139 flow [2025-03-08 22:08:34,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 458.6666666666667) internal successors, (2752), 6 states have internal predecessors, (2752), 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) [2025-03-08 22:08:34,484 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:34,485 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:34,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 22:08:34,485 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err45ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:34,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:34,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1812794541, now seen corresponding path program 1 times [2025-03-08 22:08:34,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:34,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019972670] [2025-03-08 22:08:34,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:34,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-08 22:08:34,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-08 22:08:34,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:34,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:34,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:34,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019972670] [2025-03-08 22:08:34,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019972670] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:34,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:34,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:34,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640818221] [2025-03-08 22:08:34,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:34,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:34,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:34,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:34,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:34,616 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 532 [2025-03-08 22:08:34,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 452 transitions, 1139 flow. Second operand has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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) [2025-03-08 22:08:34,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:34,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 532 [2025-03-08 22:08:34,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:34,832 INFO L124 PetriNetUnfolderBase]: 198/2493 cut-off events. [2025-03-08 22:08:34,832 INFO L125 PetriNetUnfolderBase]: For 315/316 co-relation queries the response was YES. [2025-03-08 22:08:34,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 2493 events. 198/2493 cut-off events. For 315/316 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15860 event pairs, 92 based on Foata normal form. 0/2302 useless extension candidates. Maximal degree in co-relation 3388. Up to 332 conditions per place. [2025-03-08 22:08:34,841 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 33 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2025-03-08 22:08:34,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 452 transitions, 1210 flow [2025-03-08 22:08:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2025-03-08 22:08:34,844 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924812030075188 [2025-03-08 22:08:34,844 INFO L175 Difference]: Start difference. First operand has 453 places, 452 transitions, 1139 flow. Second operand 3 states and 1476 transitions. [2025-03-08 22:08:34,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 452 transitions, 1210 flow [2025-03-08 22:08:34,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 452 transitions, 1132 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:08:34,850 INFO L231 Difference]: Finished difference. Result has 449 places, 451 transitions, 1063 flow [2025-03-08 22:08:34,851 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1059, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=449, PETRI_TRANSITIONS=451} [2025-03-08 22:08:34,851 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -44 predicate places. [2025-03-08 22:08:34,851 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 451 transitions, 1063 flow [2025-03-08 22:08:34,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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) [2025-03-08 22:08:34,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:34,852 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] [2025-03-08 22:08:34,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 22:08:34,852 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:34,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:34,853 INFO L85 PathProgramCache]: Analyzing trace with hash 234717382, now seen corresponding path program 1 times [2025-03-08 22:08:34,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:34,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420090518] [2025-03-08 22:08:34,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:34,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-08 22:08:34,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-08 22:08:34,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:34,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:34,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:34,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420090518] [2025-03-08 22:08:34,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420090518] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:34,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:34,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:34,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894553842] [2025-03-08 22:08:34,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:34,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:34,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:34,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:34,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:34,972 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 532 [2025-03-08 22:08:34,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 451 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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) [2025-03-08 22:08:34,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:34,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 532 [2025-03-08 22:08:34,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:35,145 INFO L124 PetriNetUnfolderBase]: 193/2380 cut-off events. [2025-03-08 22:08:35,145 INFO L125 PetriNetUnfolderBase]: For 231/232 co-relation queries the response was YES. [2025-03-08 22:08:35,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3049 conditions, 2380 events. 193/2380 cut-off events. For 231/232 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14899 event pairs, 92 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 2997. Up to 329 conditions per place. [2025-03-08 22:08:35,158 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 33 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2025-03-08 22:08:35,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 1134 flow [2025-03-08 22:08:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2025-03-08 22:08:35,161 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924812030075188 [2025-03-08 22:08:35,161 INFO L175 Difference]: Start difference. First operand has 449 places, 451 transitions, 1063 flow. Second operand 3 states and 1476 transitions. [2025-03-08 22:08:35,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 1134 flow [2025-03-08 22:08:35,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:35,167 INFO L231 Difference]: Finished difference. Result has 448 places, 450 transitions, 1061 flow [2025-03-08 22:08:35,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=448, PETRI_TRANSITIONS=450} [2025-03-08 22:08:35,168 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -45 predicate places. [2025-03-08 22:08:35,168 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 450 transitions, 1061 flow [2025-03-08 22:08:35,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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) [2025-03-08 22:08:35,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:35,169 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:35,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 22:08:35,169 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:35,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:35,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2081496100, now seen corresponding path program 1 times [2025-03-08 22:08:35,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:35,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684007516] [2025-03-08 22:08:35,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:35,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-08 22:08:35,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-08 22:08:35,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:35,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:35,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:35,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684007516] [2025-03-08 22:08:35,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684007516] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:35,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:35,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:35,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406781507] [2025-03-08 22:08:35,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:35,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:35,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:35,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:35,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:35,283 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 532 [2025-03-08 22:08:35,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 450 transitions, 1061 flow. Second operand has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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) [2025-03-08 22:08:35,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:35,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 532 [2025-03-08 22:08:35,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:35,470 INFO L124 PetriNetUnfolderBase]: 194/2380 cut-off events. [2025-03-08 22:08:35,470 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2025-03-08 22:08:35,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3051 conditions, 2380 events. 194/2380 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14921 event pairs, 92 based on Foata normal form. 0/2200 useless extension candidates. Maximal degree in co-relation 2999. Up to 330 conditions per place. [2025-03-08 22:08:35,484 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 33 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2025-03-08 22:08:35,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 450 transitions, 1132 flow [2025-03-08 22:08:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2025-03-08 22:08:35,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924812030075188 [2025-03-08 22:08:35,486 INFO L175 Difference]: Start difference. First operand has 448 places, 450 transitions, 1061 flow. Second operand 3 states and 1476 transitions. [2025-03-08 22:08:35,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 450 transitions, 1132 flow [2025-03-08 22:08:35,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 450 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:35,492 INFO L231 Difference]: Finished difference. Result has 447 places, 449 transitions, 1059 flow [2025-03-08 22:08:35,493 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1059, PETRI_PLACES=447, PETRI_TRANSITIONS=449} [2025-03-08 22:08:35,493 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2025-03-08 22:08:35,493 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 449 transitions, 1059 flow [2025-03-08 22:08:35,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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) [2025-03-08 22:08:35,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:35,494 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] [2025-03-08 22:08:35,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 22:08:35,495 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:35,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:35,495 INFO L85 PathProgramCache]: Analyzing trace with hash -536157161, now seen corresponding path program 1 times [2025-03-08 22:08:35,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:35,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363452390] [2025-03-08 22:08:35,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:35,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:35,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-08 22:08:35,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-08 22:08:35,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:35,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:35,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:35,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363452390] [2025-03-08 22:08:35,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363452390] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:35,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:35,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:35,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289400853] [2025-03-08 22:08:35,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:35,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:35,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:35,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:35,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:35,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 532 [2025-03-08 22:08:35,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 449 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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) [2025-03-08 22:08:35,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:35,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 532 [2025-03-08 22:08:35,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:35,816 INFO L124 PetriNetUnfolderBase]: 190/2313 cut-off events. [2025-03-08 22:08:35,816 INFO L125 PetriNetUnfolderBase]: For 232/233 co-relation queries the response was YES. [2025-03-08 22:08:35,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2977 conditions, 2313 events. 190/2313 cut-off events. For 232/233 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14296 event pairs, 92 based on Foata normal form. 0/2139 useless extension candidates. Maximal degree in co-relation 2925. Up to 328 conditions per place. [2025-03-08 22:08:35,826 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 32 selfloop transitions, 2 changer transitions 1/449 dead transitions. [2025-03-08 22:08:35,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 449 transitions, 1130 flow [2025-03-08 22:08:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2025-03-08 22:08:35,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924812030075188 [2025-03-08 22:08:35,829 INFO L175 Difference]: Start difference. First operand has 447 places, 449 transitions, 1059 flow. Second operand 3 states and 1476 transitions. [2025-03-08 22:08:35,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 449 transitions, 1130 flow [2025-03-08 22:08:35,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 449 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:35,835 INFO L231 Difference]: Finished difference. Result has 446 places, 448 transitions, 1057 flow [2025-03-08 22:08:35,836 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=446, PETRI_TRANSITIONS=448} [2025-03-08 22:08:35,836 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -47 predicate places. [2025-03-08 22:08:35,836 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 448 transitions, 1057 flow [2025-03-08 22:08:35,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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) [2025-03-08 22:08:35,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:35,838 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:35,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 22:08:35,839 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err38ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:35,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:35,839 INFO L85 PathProgramCache]: Analyzing trace with hash 171845074, now seen corresponding path program 1 times [2025-03-08 22:08:35,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:35,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596110235] [2025-03-08 22:08:35,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:35,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:35,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-08 22:08:35,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-08 22:08:35,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:35,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:35,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:35,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596110235] [2025-03-08 22:08:35,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596110235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:35,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:35,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:35,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449877341] [2025-03-08 22:08:35,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:35,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:35,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:35,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:35,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:35,969 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 532 [2025-03-08 22:08:35,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 448 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 483.6666666666667) internal successors, (1451), 3 states have internal predecessors, (1451), 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) [2025-03-08 22:08:35,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:35,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 532 [2025-03-08 22:08:35,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:36,153 INFO L124 PetriNetUnfolderBase]: 197/2443 cut-off events. [2025-03-08 22:08:36,153 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2025-03-08 22:08:36,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3125 conditions, 2443 events. 197/2443 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 15280 event pairs, 92 based on Foata normal form. 0/2270 useless extension candidates. Maximal degree in co-relation 3073. Up to 332 conditions per place. [2025-03-08 22:08:36,166 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 33 selfloop transitions, 2 changer transitions 0/448 dead transitions. [2025-03-08 22:08:36,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 448 transitions, 1128 flow [2025-03-08 22:08:36,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:36,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2025-03-08 22:08:36,169 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924812030075188 [2025-03-08 22:08:36,169 INFO L175 Difference]: Start difference. First operand has 446 places, 448 transitions, 1057 flow. Second operand 3 states and 1476 transitions. [2025-03-08 22:08:36,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 448 transitions, 1128 flow [2025-03-08 22:08:36,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 448 transitions, 1124 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:36,174 INFO L231 Difference]: Finished difference. Result has 445 places, 447 transitions, 1055 flow [2025-03-08 22:08:36,174 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1055, PETRI_PLACES=445, PETRI_TRANSITIONS=447} [2025-03-08 22:08:36,175 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -48 predicate places. [2025-03-08 22:08:36,175 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 447 transitions, 1055 flow [2025-03-08 22:08:36,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.6666666666667) internal successors, (1451), 3 states have internal predecessors, (1451), 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) [2025-03-08 22:08:36,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:36,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:36,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 22:08:36,176 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err31ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:36,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:36,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1917645574, now seen corresponding path program 1 times [2025-03-08 22:08:36,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:36,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892007589] [2025-03-08 22:08:36,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:36,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:36,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-08 22:08:36,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-08 22:08:36,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:36,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:36,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:36,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892007589] [2025-03-08 22:08:36,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892007589] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:36,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:36,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:36,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795018330] [2025-03-08 22:08:36,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:36,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:36,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:36,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:36,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:36,310 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 532 [2025-03-08 22:08:36,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 447 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 484.6666666666667) internal successors, (1454), 3 states have internal predecessors, (1454), 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) [2025-03-08 22:08:36,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:36,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 532 [2025-03-08 22:08:36,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:36,501 INFO L124 PetriNetUnfolderBase]: 196/2404 cut-off events. [2025-03-08 22:08:36,501 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2025-03-08 22:08:36,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3087 conditions, 2404 events. 196/2404 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 14945 event pairs, 92 based on Foata normal form. 0/2237 useless extension candidates. Maximal degree in co-relation 3035. Up to 332 conditions per place. [2025-03-08 22:08:36,514 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 33 selfloop transitions, 2 changer transitions 0/447 dead transitions. [2025-03-08 22:08:36,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 447 transitions, 1126 flow [2025-03-08 22:08:36,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2025-03-08 22:08:36,516 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924812030075188 [2025-03-08 22:08:36,516 INFO L175 Difference]: Start difference. First operand has 445 places, 447 transitions, 1055 flow. Second operand 3 states and 1476 transitions. [2025-03-08 22:08:36,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 447 transitions, 1126 flow [2025-03-08 22:08:36,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 447 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:36,521 INFO L231 Difference]: Finished difference. Result has 444 places, 446 transitions, 1053 flow [2025-03-08 22:08:36,522 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=444, PETRI_TRANSITIONS=446} [2025-03-08 22:08:36,522 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -49 predicate places. [2025-03-08 22:08:36,522 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 446 transitions, 1053 flow [2025-03-08 22:08:36,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 484.6666666666667) internal successors, (1454), 3 states have internal predecessors, (1454), 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) [2025-03-08 22:08:36,523 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:36,523 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] [2025-03-08 22:08:36,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-08 22:08:36,523 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2025-03-08 22:08:36,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:36,524 INFO L85 PathProgramCache]: Analyzing trace with hash 350017946, now seen corresponding path program 1 times [2025-03-08 22:08:36,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:36,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327206286] [2025-03-08 22:08:36,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:36,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-03-08 22:08:36,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-03-08 22:08:36,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:36,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:36,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:36,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327206286] [2025-03-08 22:08:36,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327206286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:36,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:36,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:36,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211164834] [2025-03-08 22:08:36,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:36,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:36,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:36,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:36,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:36,663 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 532 [2025-03-08 22:08:36,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 446 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 485.6666666666667) internal successors, (1457), 3 states have internal predecessors, (1457), 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) [2025-03-08 22:08:36,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:36,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 532 [2025-03-08 22:08:36,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:36,860 INFO L124 PetriNetUnfolderBase]: 195/2365 cut-off events. [2025-03-08 22:08:36,861 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2025-03-08 22:08:36,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 2365 events. 195/2365 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 14726 event pairs, 92 based on Foata normal form. 0/2204 useless extension candidates. Maximal degree in co-relation 2996. Up to 332 conditions per place. [2025-03-08 22:08:36,866 INFO L140 encePairwiseOnDemand]: 529/532 looper letters, 0 selfloop transitions, 0 changer transitions 446/446 dead transitions. [2025-03-08 22:08:36,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 446 transitions, 1124 flow [2025-03-08 22:08:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2025-03-08 22:08:36,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924812030075188 [2025-03-08 22:08:36,868 INFO L175 Difference]: Start difference. First operand has 444 places, 446 transitions, 1053 flow. Second operand 3 states and 1476 transitions. [2025-03-08 22:08:36,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 446 transitions, 1124 flow [2025-03-08 22:08:36,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 446 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:36,872 INFO L231 Difference]: Finished difference. Result has 443 places, 0 transitions, 0 flow [2025-03-08 22:08:36,873 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=532, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=443, PETRI_TRANSITIONS=0} [2025-03-08 22:08:36,873 INFO L279 CegarLoopForPetriNet]: 493 programPoint places, -50 predicate places. [2025-03-08 22:08:36,873 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 0 transitions, 0 flow [2025-03-08 22:08:36,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 485.6666666666667) internal successors, (1457), 3 states have internal predecessors, (1457), 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) [2025-03-08 22:08:36,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (131 of 132 remaining) [2025-03-08 22:08:36,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (130 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (129 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (128 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (127 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (126 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (125 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (123 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (122 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (121 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (120 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (119 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (118 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (116 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (115 of 132 remaining) [2025-03-08 22:08:36,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (114 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (113 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (112 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (111 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (110 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (109 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (108 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (107 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (106 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (105 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (104 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (103 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (102 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (100 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (99 of 132 remaining) [2025-03-08 22:08:36,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (98 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (97 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (96 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (95 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (93 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (92 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (91 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (90 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (89 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (88 of 132 remaining) [2025-03-08 22:08:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (87 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (86 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (85 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (84 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (83 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (82 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (81 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (80 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (79 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (78 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (77 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (76 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (75 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (74 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (73 of 132 remaining) [2025-03-08 22:08:36,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (72 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (70 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (69 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (68 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (67 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (66 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (65 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (64 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (63 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (60 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (59 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 132 remaining) [2025-03-08 22:08:36,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (52 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (51 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (50 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (49 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (48 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (47 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (45 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (44 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (43 of 132 remaining) [2025-03-08 22:08:36,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (42 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (41 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (40 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (39 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (38 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (36 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (35 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (33 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (32 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (29 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (28 of 132 remaining) [2025-03-08 22:08:36,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (26 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (25 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (24 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (22 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (21 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (19 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (18 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (17 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (16 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (15 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (14 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (13 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (12 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (11 of 132 remaining) [2025-03-08 22:08:36,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (10 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (9 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (8 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (7 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (6 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (5 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (4 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (3 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (1 of 132 remaining) [2025-03-08 22:08:36,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 132 remaining) [2025-03-08 22:08:36,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-08 22:08:36,885 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:36,889 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:08:36,889 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:08:36,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:08:36 BasicIcfg [2025-03-08 22:08:36,896 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:08:36,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:08:36,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:08:36,896 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:08:36,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:27" (3/4) ... [2025-03-08 22:08:36,898 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:08:36,900 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:08:36,901 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:08:36,903 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-08 22:08:36,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:08:36,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:08:36,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:08:36,966 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:08:36,966 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:08:36,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:08:36,967 INFO L158 Benchmark]: Toolchain (without parser) took 10596.74ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 112.4MB in the beginning and 411.8MB in the end (delta: -299.4MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:36,967 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:36,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.98ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 98.9MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:36,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.29ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 96.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:36,968 INFO L158 Benchmark]: Boogie Preprocessor took 45.47ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 93.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:36,968 INFO L158 Benchmark]: IcfgBuilder took 691.86ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 56.3MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 22:08:36,969 INFO L158 Benchmark]: TraceAbstraction took 9541.80ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 55.9MB in the beginning and 420.2MB in the end (delta: -364.3MB). Peak memory consumption was 252.7MB. Max. memory is 16.1GB. [2025-03-08 22:08:36,969 INFO L158 Benchmark]: Witness Printer took 70.19ms. Allocated memory is still 494.9MB. Free memory was 420.2MB in the beginning and 411.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:36,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.98ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 98.9MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.29ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 96.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.47ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 93.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 691.86ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 56.3MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9541.80ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 55.9MB in the beginning and 420.2MB in the end (delta: -364.3MB). Peak memory consumption was 252.7MB. Max. memory is 16.1GB. * Witness Printer took 70.19ms. Allocated memory is still 494.9MB. Free memory was 420.2MB in the beginning and 411.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 881 locations, 931 edges, 132 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.3s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3141 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1198 mSDsluCounter, 519 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 398 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3398 IncrementalHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 398 mSolverCounterUnsat, 414 mSDtfsCounter, 3398 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1139occurred in iteration=15, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2225 NumberOfCodeBlocks, 2225 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2203 ConstructedInterpolants, 0 QuantifiedInterpolants, 3062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:08:36,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE