./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-match-trans.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/chl-match-trans.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 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:04:52,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:04:52,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:04:52,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:04:52,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:04:52,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:04:52,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:04:52,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:04:52,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:04:52,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:04:52,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:04:52,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:04:52,713 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:04:52,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:04:52,714 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:04:52,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:04:52,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:04:52,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:04:52,715 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 -> 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 [2025-03-08 22:04:52,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:04:52,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:04:52,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:04:52,964 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:04:52,964 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:04:52,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2025-03-08 22:04:54,203 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/424e79151/da1d16721b4f4a6eb4ac01b99912ab0d/FLAG708f0b85b [2025-03-08 22:04:54,481 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:04:54,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2025-03-08 22:04:54,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/424e79151/da1d16721b4f4a6eb4ac01b99912ab0d/FLAG708f0b85b [2025-03-08 22:04:54,522 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/424e79151/da1d16721b4f4a6eb4ac01b99912ab0d [2025-03-08 22:04:54,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:04:54,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:04:54,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:04:54,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:04:54,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:04:54,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c3be5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54, skipping insertion in model container [2025-03-08 22:04:54,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:04:54,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:04:54,696 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:04:54,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:04:54,745 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:04:54,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54 WrapperNode [2025-03-08 22:04:54,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:04:54,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:04:54,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:04:54,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:04:54,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,788 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 319 [2025-03-08 22:04:54,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:04:54,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:04:54,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:04:54,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:04:54,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:04:54,824 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:04:54,824 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:04:54,824 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:04:54,828 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (1/1) ... [2025-03-08 22:04:54,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:04:54,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:04:54,860 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 22:04:54,864 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 22:04:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:04:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:04:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:04:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:04:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:04:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-08 22:04:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-08 22:04:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:04:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:04:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:04:54,883 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 22:04:54,969 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:04:54,970 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:04:55,375 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:04:55,375 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:04:55,389 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:04:55,389 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:04:55,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:04:55 BoogieIcfgContainer [2025-03-08 22:04:55,390 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:04:55,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:04:55,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:04:55,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:04:55,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:04:54" (1/3) ... [2025-03-08 22:04:55,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577194d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:04:55, skipping insertion in model container [2025-03-08 22:04:55,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:04:54" (2/3) ... [2025-03-08 22:04:55,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577194d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:04:55, skipping insertion in model container [2025-03-08 22:04:55,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:04:55" (3/3) ... [2025-03-08 22:04:55,397 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2025-03-08 22:04:55,409 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:04:55,411 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-match-trans.wvr.c that has 4 procedures, 428 locations, 1 initial locations, 0 loop locations, and 39 error locations. [2025-03-08 22:04:55,412 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:04:55,521 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-08 22:04:55,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 437 places, 445 transitions, 911 flow [2025-03-08 22:04:55,704 INFO L124 PetriNetUnfolderBase]: 18/442 cut-off events. [2025-03-08 22:04:55,706 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 22:04:55,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 442 events. 18/442 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 814 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2025-03-08 22:04:55,721 INFO L82 GeneralOperation]: Start removeDead. Operand has 437 places, 445 transitions, 911 flow [2025-03-08 22:04:55,730 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 415 places, 421 transitions, 860 flow [2025-03-08 22:04:55,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:04:55,750 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;@4c7b9369, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:04:55,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2025-03-08 22:04:55,755 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:04:55,755 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2025-03-08 22:04:55,755 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:04:55,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:55,758 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] [2025-03-08 22:04:55,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:55,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:55,763 INFO L85 PathProgramCache]: Analyzing trace with hash 537215367, now seen corresponding path program 1 times [2025-03-08 22:04:55,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:55,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438942865] [2025-03-08 22:04:55,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:55,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-08 22:04:55,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-08 22:04:55,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:55,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:55,910 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 22:04:55,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:55,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438942865] [2025-03-08 22:04:55,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438942865] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:55,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:55,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:55,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145945251] [2025-03-08 22:04:55,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:55,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:55,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:55,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:55,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:55,979 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2025-03-08 22:04:55,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 421 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 22:04:55,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:55,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2025-03-08 22:04:55,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:56,164 INFO L124 PetriNetUnfolderBase]: 20/802 cut-off events. [2025-03-08 22:04:56,164 INFO L125 PetriNetUnfolderBase]: For 26/30 co-relation queries the response was YES. [2025-03-08 22:04:56,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 802 events. 20/802 cut-off events. For 26/30 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2911 event pairs, 12 based on Foata normal form. 75/765 useless extension candidates. Maximal degree in co-relation 704. Up to 38 conditions per place. [2025-03-08 22:04:56,173 INFO L140 encePairwiseOnDemand]: 430/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2025-03-08 22:04:56,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 408 transitions, 864 flow [2025-03-08 22:04:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2025-03-08 22:04:56,187 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.951310861423221 [2025-03-08 22:04:56,189 INFO L175 Difference]: Start difference. First operand has 415 places, 421 transitions, 860 flow. Second operand 3 states and 1270 transitions. [2025-03-08 22:04:56,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 408 transitions, 864 flow [2025-03-08 22:04:56,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 408 transitions, 852 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-08 22:04:56,201 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 826 flow [2025-03-08 22:04:56,205 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2025-03-08 22:04:56,209 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -5 predicate places. [2025-03-08 22:04:56,209 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 826 flow [2025-03-08 22:04:56,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 22:04:56,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:56,211 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] [2025-03-08 22:04:56,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:04:56,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:56,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1769287360, now seen corresponding path program 1 times [2025-03-08 22:04:56,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614556892] [2025-03-08 22:04:56,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:56,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-08 22:04:56,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-08 22:04:56,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:56,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:56,262 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 22:04:56,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614556892] [2025-03-08 22:04:56,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614556892] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:56,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:56,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:56,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297359106] [2025-03-08 22:04:56,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:56,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:56,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:56,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:56,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:56,288 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2025-03-08 22:04:56,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:56,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:56,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2025-03-08 22:04:56,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:56,395 INFO L124 PetriNetUnfolderBase]: 12/681 cut-off events. [2025-03-08 22:04:56,396 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:04:56,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 681 events. 12/681 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2573 event pairs, 5 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 677. Up to 22 conditions per place. [2025-03-08 22:04:56,403 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2025-03-08 22:04:56,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 407 transitions, 850 flow [2025-03-08 22:04:56,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2025-03-08 22:04:56,406 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2025-03-08 22:04:56,406 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 826 flow. Second operand 3 states and 1262 transitions. [2025-03-08 22:04:56,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 407 transitions, 850 flow [2025-03-08 22:04:56,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 407 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:56,414 INFO L231 Difference]: Finished difference. Result has 409 places, 407 transitions, 824 flow [2025-03-08 22:04:56,415 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=409, PETRI_TRANSITIONS=407} [2025-03-08 22:04:56,415 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -6 predicate places. [2025-03-08 22:04:56,415 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 407 transitions, 824 flow [2025-03-08 22:04:56,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:56,416 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:56,416 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] [2025-03-08 22:04:56,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:04:56,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:56,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:56,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1774690104, now seen corresponding path program 1 times [2025-03-08 22:04:56,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:56,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712347015] [2025-03-08 22:04:56,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:56,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:56,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-08 22:04:56,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-08 22:04:56,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:56,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:56,475 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 22:04:56,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:56,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712347015] [2025-03-08 22:04:56,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712347015] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:56,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:56,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:56,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979017644] [2025-03-08 22:04:56,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:56,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:56,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:56,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:56,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:56,501 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2025-03-08 22:04:56,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 407 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:56,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:56,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2025-03-08 22:04:56,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:56,606 INFO L124 PetriNetUnfolderBase]: 12/671 cut-off events. [2025-03-08 22:04:56,606 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:04:56,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 671 events. 12/671 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2508 event pairs, 5 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 659. Up to 22 conditions per place. [2025-03-08 22:04:56,614 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2025-03-08 22:04:56,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 406 transitions, 848 flow [2025-03-08 22:04:56,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2025-03-08 22:04:56,618 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2025-03-08 22:04:56,618 INFO L175 Difference]: Start difference. First operand has 409 places, 407 transitions, 824 flow. Second operand 3 states and 1262 transitions. [2025-03-08 22:04:56,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 406 transitions, 848 flow [2025-03-08 22:04:56,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 406 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:56,627 INFO L231 Difference]: Finished difference. Result has 408 places, 406 transitions, 822 flow [2025-03-08 22:04:56,628 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=408, PETRI_TRANSITIONS=406} [2025-03-08 22:04:56,629 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -7 predicate places. [2025-03-08 22:04:56,629 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 406 transitions, 822 flow [2025-03-08 22:04:56,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:56,629 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:56,629 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] [2025-03-08 22:04:56,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:04:56,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:56,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:56,631 INFO L85 PathProgramCache]: Analyzing trace with hash -802049167, now seen corresponding path program 1 times [2025-03-08 22:04:56,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:56,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60571556] [2025-03-08 22:04:56,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:56,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:56,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-08 22:04:56,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-08 22:04:56,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:56,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:56,695 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 22:04:56,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:56,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60571556] [2025-03-08 22:04:56,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60571556] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:56,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:56,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:56,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021884774] [2025-03-08 22:04:56,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:56,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:56,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:56,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:56,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:56,727 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2025-03-08 22:04:56,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 406 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 22:04:56,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:56,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2025-03-08 22:04:56,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:56,961 INFO L124 PetriNetUnfolderBase]: 34/1363 cut-off events. [2025-03-08 22:04:56,961 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-08 22:04:56,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 1363 events. 34/1363 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 6151 event pairs, 20 based on Foata normal form. 0/1167 useless extension candidates. Maximal degree in co-relation 1379. Up to 50 conditions per place. [2025-03-08 22:04:56,979 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/405 dead transitions. [2025-03-08 22:04:56,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 405 transitions, 850 flow [2025-03-08 22:04:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2025-03-08 22:04:56,984 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2025-03-08 22:04:56,984 INFO L175 Difference]: Start difference. First operand has 408 places, 406 transitions, 822 flow. Second operand 3 states and 1258 transitions. [2025-03-08 22:04:56,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 405 transitions, 850 flow [2025-03-08 22:04:56,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 405 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:56,990 INFO L231 Difference]: Finished difference. Result has 407 places, 405 transitions, 820 flow [2025-03-08 22:04:56,991 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=407, PETRI_TRANSITIONS=405} [2025-03-08 22:04:56,992 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -8 predicate places. [2025-03-08 22:04:56,992 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 405 transitions, 820 flow [2025-03-08 22:04:56,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 22:04:56,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:56,993 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] [2025-03-08 22:04:56,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:04:56,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:56,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash 41935845, now seen corresponding path program 1 times [2025-03-08 22:04:56,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:56,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960423160] [2025-03-08 22:04:56,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:56,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:57,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-08 22:04:57,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-08 22:04:57,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:57,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:57,043 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 22:04:57,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:57,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960423160] [2025-03-08 22:04:57,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960423160] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:57,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:57,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:57,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680521315] [2025-03-08 22:04:57,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:57,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:57,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:57,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:57,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:57,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2025-03-08 22:04:57,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 405 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:57,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2025-03-08 22:04:57,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:57,192 INFO L124 PetriNetUnfolderBase]: 16/867 cut-off events. [2025-03-08 22:04:57,192 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2025-03-08 22:04:57,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 867 events. 16/867 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3232 event pairs, 7 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 844. Up to 25 conditions per place. [2025-03-08 22:04:57,206 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2025-03-08 22:04:57,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 404 transitions, 844 flow [2025-03-08 22:04:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2025-03-08 22:04:57,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2025-03-08 22:04:57,209 INFO L175 Difference]: Start difference. First operand has 407 places, 405 transitions, 820 flow. Second operand 3 states and 1262 transitions. [2025-03-08 22:04:57,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 404 transitions, 844 flow [2025-03-08 22:04:57,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 404 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:57,215 INFO L231 Difference]: Finished difference. Result has 406 places, 404 transitions, 818 flow [2025-03-08 22:04:57,216 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=406, PETRI_TRANSITIONS=404} [2025-03-08 22:04:57,218 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2025-03-08 22:04:57,218 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 404 transitions, 818 flow [2025-03-08 22:04:57,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:57,219 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] [2025-03-08 22:04:57,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:04:57,219 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:57,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:57,219 INFO L85 PathProgramCache]: Analyzing trace with hash 435134981, now seen corresponding path program 1 times [2025-03-08 22:04:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:57,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635428242] [2025-03-08 22:04:57,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:57,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:57,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-08 22:04:57,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-08 22:04:57,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:57,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:57,282 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 22:04:57,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:57,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635428242] [2025-03-08 22:04:57,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635428242] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:57,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:57,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:57,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769272503] [2025-03-08 22:04:57,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:57,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:57,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:57,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:57,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:57,304 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2025-03-08 22:04:57,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 404 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:57,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2025-03-08 22:04:57,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:57,398 INFO L124 PetriNetUnfolderBase]: 16/857 cut-off events. [2025-03-08 22:04:57,399 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2025-03-08 22:04:57,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 857 events. 16/857 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3195 event pairs, 7 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 826. Up to 25 conditions per place. [2025-03-08 22:04:57,410 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2025-03-08 22:04:57,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 403 transitions, 842 flow [2025-03-08 22:04:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2025-03-08 22:04:57,413 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2025-03-08 22:04:57,413 INFO L175 Difference]: Start difference. First operand has 406 places, 404 transitions, 818 flow. Second operand 3 states and 1262 transitions. [2025-03-08 22:04:57,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 403 transitions, 842 flow [2025-03-08 22:04:57,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 403 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:57,418 INFO L231 Difference]: Finished difference. Result has 405 places, 403 transitions, 816 flow [2025-03-08 22:04:57,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=405, PETRI_TRANSITIONS=403} [2025-03-08 22:04:57,421 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2025-03-08 22:04:57,421 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 403 transitions, 816 flow [2025-03-08 22:04:57,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:57,422 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:04:57,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:04:57,423 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:57,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1002215405, now seen corresponding path program 1 times [2025-03-08 22:04:57,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:57,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450513648] [2025-03-08 22:04:57,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:57,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:57,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 22:04:57,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 22:04:57,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:57,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:57,459 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 22:04:57,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:57,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450513648] [2025-03-08 22:04:57,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450513648] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:57,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:57,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:57,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54051210] [2025-03-08 22:04:57,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:57,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:57,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:57,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:57,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:57,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2025-03-08 22:04:57,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 22:04:57,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:57,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2025-03-08 22:04:57,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:57,561 INFO L124 PetriNetUnfolderBase]: 27/638 cut-off events. [2025-03-08 22:04:57,561 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2025-03-08 22:04:57,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 638 events. 27/638 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2307 event pairs, 20 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 622. Up to 50 conditions per place. [2025-03-08 22:04:57,568 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2025-03-08 22:04:57,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 402 transitions, 844 flow [2025-03-08 22:04:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2025-03-08 22:04:57,570 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2025-03-08 22:04:57,570 INFO L175 Difference]: Start difference. First operand has 405 places, 403 transitions, 816 flow. Second operand 3 states and 1258 transitions. [2025-03-08 22:04:57,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 402 transitions, 844 flow [2025-03-08 22:04:57,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:57,575 INFO L231 Difference]: Finished difference. Result has 404 places, 402 transitions, 814 flow [2025-03-08 22:04:57,576 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=404, PETRI_TRANSITIONS=402} [2025-03-08 22:04:57,576 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2025-03-08 22:04:57,576 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 402 transitions, 814 flow [2025-03-08 22:04:57,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 22:04:57,577 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:57,577 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] [2025-03-08 22:04:57,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:04:57,577 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:57,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1496795383, now seen corresponding path program 1 times [2025-03-08 22:04:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:57,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519124333] [2025-03-08 22:04:57,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:57,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:57,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-08 22:04:57,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-08 22:04:57,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:57,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:57,622 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 22:04:57,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:57,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519124333] [2025-03-08 22:04:57,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519124333] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:57,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:57,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:57,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555053497] [2025-03-08 22:04:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:57,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:57,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:57,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:57,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:57,649 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2025-03-08 22:04:57,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 402 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:57,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2025-03-08 22:04:57,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:57,722 INFO L124 PetriNetUnfolderBase]: 15/673 cut-off events. [2025-03-08 22:04:57,722 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2025-03-08 22:04:57,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 673 events. 15/673 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1764 event pairs, 7 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 623. Up to 25 conditions per place. [2025-03-08 22:04:57,730 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2025-03-08 22:04:57,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 401 transitions, 838 flow [2025-03-08 22:04:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2025-03-08 22:04:57,736 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2025-03-08 22:04:57,736 INFO L175 Difference]: Start difference. First operand has 404 places, 402 transitions, 814 flow. Second operand 3 states and 1262 transitions. [2025-03-08 22:04:57,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 401 transitions, 838 flow [2025-03-08 22:04:57,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 401 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:57,742 INFO L231 Difference]: Finished difference. Result has 403 places, 401 transitions, 812 flow [2025-03-08 22:04:57,743 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=403, PETRI_TRANSITIONS=401} [2025-03-08 22:04:57,743 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2025-03-08 22:04:57,743 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 401 transitions, 812 flow [2025-03-08 22:04:57,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:57,744 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] [2025-03-08 22:04:57,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:04:57,745 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:57,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:57,745 INFO L85 PathProgramCache]: Analyzing trace with hash -97840910, now seen corresponding path program 1 times [2025-03-08 22:04:57,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:57,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899425158] [2025-03-08 22:04:57,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:57,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 22:04:57,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 22:04:57,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:57,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:57,799 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 22:04:57,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:57,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899425158] [2025-03-08 22:04:57,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899425158] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:57,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:57,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:57,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774285688] [2025-03-08 22:04:57,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:57,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:57,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:57,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:57,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:57,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2025-03-08 22:04:57,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:57,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2025-03-08 22:04:57,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:57,897 INFO L124 PetriNetUnfolderBase]: 15/663 cut-off events. [2025-03-08 22:04:57,897 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2025-03-08 22:04:57,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 663 events. 15/663 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1734 event pairs, 7 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 605. Up to 25 conditions per place. [2025-03-08 22:04:57,902 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2025-03-08 22:04:57,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 836 flow [2025-03-08 22:04:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2025-03-08 22:04:57,905 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2025-03-08 22:04:57,905 INFO L175 Difference]: Start difference. First operand has 403 places, 401 transitions, 812 flow. Second operand 3 states and 1262 transitions. [2025-03-08 22:04:57,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 836 flow [2025-03-08 22:04:57,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 400 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:57,910 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 810 flow [2025-03-08 22:04:57,910 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2025-03-08 22:04:57,911 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2025-03-08 22:04:57,911 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 810 flow [2025-03-08 22:04:57,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 22:04:57,912 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:57,912 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 22:04:57,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:04:57,912 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:57,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:57,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1152588652, now seen corresponding path program 1 times [2025-03-08 22:04:57,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:57,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381776298] [2025-03-08 22:04:57,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:57,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 22:04:57,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 22:04:57,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:57,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:57,957 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 22:04:57,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:57,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381776298] [2025-03-08 22:04:57,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381776298] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:57,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:57,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:57,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445036939] [2025-03-08 22:04:57,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:57,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:57,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:57,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:57,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:57,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2025-03-08 22:04:57,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:04:57,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:57,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2025-03-08 22:04:57,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:58,055 INFO L124 PetriNetUnfolderBase]: 21/852 cut-off events. [2025-03-08 22:04:58,055 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-08 22:04:58,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 852 events. 21/852 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3575 event pairs, 6 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 798. Up to 31 conditions per place. [2025-03-08 22:04:58,066 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2025-03-08 22:04:58,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 846 flow [2025-03-08 22:04:58,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:04:58,068 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:04:58,068 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 810 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:04:58,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 846 flow [2025-03-08 22:04:58,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 402 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:04:58,074 INFO L231 Difference]: Finished difference. Result has 401 places, 400 transitions, 816 flow [2025-03-08 22:04:58,075 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=401, PETRI_TRANSITIONS=400} [2025-03-08 22:04:58,075 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2025-03-08 22:04:58,075 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 400 transitions, 816 flow [2025-03-08 22:04:58,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:04:58,076 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:58,076 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] [2025-03-08 22:04:58,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:04:58,076 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:58,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:58,077 INFO L85 PathProgramCache]: Analyzing trace with hash 463895477, now seen corresponding path program 1 times [2025-03-08 22:04:58,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:58,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687866050] [2025-03-08 22:04:58,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:58,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 22:04:58,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 22:04:58,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:58,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:58,122 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 22:04:58,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:58,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687866050] [2025-03-08 22:04:58,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687866050] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:58,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:58,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:58,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245214558] [2025-03-08 22:04:58,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:58,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:58,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:58,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:58,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:58,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2025-03-08 22:04:58,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 400 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:04:58,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:58,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2025-03-08 22:04:58,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:58,258 INFO L124 PetriNetUnfolderBase]: 24/1006 cut-off events. [2025-03-08 22:04:58,258 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-08 22:04:58,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 1006 events. 24/1006 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4928 event pairs, 6 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 857. Up to 33 conditions per place. [2025-03-08 22:04:58,268 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2025-03-08 22:04:58,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 402 transitions, 852 flow [2025-03-08 22:04:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:58,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:04:58,270 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:04:58,270 INFO L175 Difference]: Start difference. First operand has 401 places, 400 transitions, 816 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:04:58,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 402 transitions, 852 flow [2025-03-08 22:04:58,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 402 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:04:58,276 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 826 flow [2025-03-08 22:04:58,276 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2025-03-08 22:04:58,276 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2025-03-08 22:04:58,277 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 826 flow [2025-03-08 22:04:58,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:04:58,277 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:58,277 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 22:04:58,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:04:58,277 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:58,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:58,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1458709833, now seen corresponding path program 1 times [2025-03-08 22:04:58,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:58,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544281672] [2025-03-08 22:04:58,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:58,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:58,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 22:04:58,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 22:04:58,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:58,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:58,327 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 22:04:58,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:58,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544281672] [2025-03-08 22:04:58,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544281672] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:58,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:58,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:58,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404450885] [2025-03-08 22:04:58,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:58,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:58,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:58,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:58,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:58,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2025-03-08 22:04:58,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:58,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:58,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2025-03-08 22:04:58,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:58,508 INFO L124 PetriNetUnfolderBase]: 44/1634 cut-off events. [2025-03-08 22:04:58,508 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2025-03-08 22:04:58,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1728 conditions, 1634 events. 44/1634 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10900 event pairs, 11 based on Foata normal form. 0/1413 useless extension candidates. Maximal degree in co-relation 1432. Up to 43 conditions per place. [2025-03-08 22:04:58,524 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2025-03-08 22:04:58,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 862 flow [2025-03-08 22:04:58,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:04:58,526 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:04:58,526 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 826 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:04:58,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 862 flow [2025-03-08 22:04:58,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 402 transitions, 862 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:04:58,531 INFO L231 Difference]: Finished difference. Result has 403 places, 400 transitions, 836 flow [2025-03-08 22:04:58,531 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=403, PETRI_TRANSITIONS=400} [2025-03-08 22:04:58,532 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2025-03-08 22:04:58,532 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 400 transitions, 836 flow [2025-03-08 22:04:58,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:58,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:58,533 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] [2025-03-08 22:04:58,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:04:58,533 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:58,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1660841706, now seen corresponding path program 1 times [2025-03-08 22:04:58,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:58,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632990203] [2025-03-08 22:04:58,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:58,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:58,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-08 22:04:58,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-08 22:04:58,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:58,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:58,560 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 22:04:58,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:58,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632990203] [2025-03-08 22:04:58,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632990203] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:58,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:58,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:58,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665966193] [2025-03-08 22:04:58,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:58,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:58,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:58,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:58,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:58,575 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2025-03-08 22:04:58,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 400 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:58,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:58,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2025-03-08 22:04:58,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:58,758 INFO L124 PetriNetUnfolderBase]: 42/1269 cut-off events. [2025-03-08 22:04:58,758 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2025-03-08 22:04:58,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1269 events. 42/1269 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7615 event pairs, 5 based on Foata normal form. 0/1102 useless extension candidates. Maximal degree in co-relation 1159. Up to 50 conditions per place. [2025-03-08 22:04:58,771 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2025-03-08 22:04:58,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 402 transitions, 872 flow [2025-03-08 22:04:58,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:04:58,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:04:58,773 INFO L175 Difference]: Start difference. First operand has 403 places, 400 transitions, 836 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:04:58,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 402 transitions, 872 flow [2025-03-08 22:04:58,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 402 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:04:58,778 INFO L231 Difference]: Finished difference. Result has 404 places, 400 transitions, 846 flow [2025-03-08 22:04:58,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=404, PETRI_TRANSITIONS=400} [2025-03-08 22:04:58,779 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2025-03-08 22:04:58,779 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 400 transitions, 846 flow [2025-03-08 22:04:58,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:58,780 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:58,780 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] [2025-03-08 22:04:58,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 22:04:58,780 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:58,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:58,781 INFO L85 PathProgramCache]: Analyzing trace with hash 398261753, now seen corresponding path program 1 times [2025-03-08 22:04:58,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:58,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832103901] [2025-03-08 22:04:58,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:58,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:58,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-08 22:04:58,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-08 22:04:58,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:58,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:58,835 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 22:04:58,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:58,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832103901] [2025-03-08 22:04:58,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832103901] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:58,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:58,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:58,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385569427] [2025-03-08 22:04:58,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:58,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:58,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:58,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:58,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:58,846 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2025-03-08 22:04:58,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 400 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:58,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:58,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2025-03-08 22:04:58,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:59,037 INFO L124 PetriNetUnfolderBase]: 61/1652 cut-off events. [2025-03-08 22:04:59,037 INFO L125 PetriNetUnfolderBase]: For 19/25 co-relation queries the response was YES. [2025-03-08 22:04:59,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1768 conditions, 1652 events. 61/1652 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9930 event pairs, 18 based on Foata normal form. 0/1412 useless extension candidates. Maximal degree in co-relation 1523. Up to 70 conditions per place. [2025-03-08 22:04:59,048 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2025-03-08 22:04:59,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 402 transitions, 882 flow [2025-03-08 22:04:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:04:59,051 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:04:59,051 INFO L175 Difference]: Start difference. First operand has 404 places, 400 transitions, 846 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:04:59,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 402 transitions, 882 flow [2025-03-08 22:04:59,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 882 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:04:59,055 INFO L231 Difference]: Finished difference. Result has 405 places, 400 transitions, 856 flow [2025-03-08 22:04:59,056 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=405, PETRI_TRANSITIONS=400} [2025-03-08 22:04:59,056 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2025-03-08 22:04:59,056 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 400 transitions, 856 flow [2025-03-08 22:04:59,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:59,057 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:59,057 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:04:59,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 22:04:59,057 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:59,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:59,058 INFO L85 PathProgramCache]: Analyzing trace with hash 477487066, now seen corresponding path program 1 times [2025-03-08 22:04:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:59,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698216936] [2025-03-08 22:04:59,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:59,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-08 22:04:59,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-08 22:04:59,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:59,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:59,099 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 22:04:59,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:59,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698216936] [2025-03-08 22:04:59,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698216936] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:59,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:59,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:59,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998638853] [2025-03-08 22:04:59,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:59,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:59,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:59,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:59,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:59,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2025-03-08 22:04:59,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 400 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:59,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:59,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2025-03-08 22:04:59,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:59,312 INFO L124 PetriNetUnfolderBase]: 70/1820 cut-off events. [2025-03-08 22:04:59,312 INFO L125 PetriNetUnfolderBase]: For 21/27 co-relation queries the response was YES. [2025-03-08 22:04:59,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 1820 events. 70/1820 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11197 event pairs, 10 based on Foata normal form. 0/1568 useless extension candidates. Maximal degree in co-relation 1718. Up to 80 conditions per place. [2025-03-08 22:04:59,334 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2025-03-08 22:04:59,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 402 transitions, 892 flow [2025-03-08 22:04:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:04:59,337 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:04:59,337 INFO L175 Difference]: Start difference. First operand has 405 places, 400 transitions, 856 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:04:59,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 402 transitions, 892 flow [2025-03-08 22:04:59,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 402 transitions, 892 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:04:59,344 INFO L231 Difference]: Finished difference. Result has 406 places, 400 transitions, 866 flow [2025-03-08 22:04:59,345 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=406, PETRI_TRANSITIONS=400} [2025-03-08 22:04:59,345 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2025-03-08 22:04:59,345 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 400 transitions, 866 flow [2025-03-08 22:04:59,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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 22:04:59,346 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:59,347 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:04:59,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 22:04:59,347 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:59,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:59,348 INFO L85 PathProgramCache]: Analyzing trace with hash 405468020, now seen corresponding path program 1 times [2025-03-08 22:04:59,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:59,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086209860] [2025-03-08 22:04:59,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:59,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:59,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 22:04:59,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 22:04:59,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:59,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:59,404 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 22:04:59,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:59,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086209860] [2025-03-08 22:04:59,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086209860] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:59,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:59,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:59,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976081740] [2025-03-08 22:04:59,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:59,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:59,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:59,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:59,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:59,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2025-03-08 22:04:59,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 400 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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 22:04:59,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:59,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2025-03-08 22:04:59,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:59,634 INFO L124 PetriNetUnfolderBase]: 178/1862 cut-off events. [2025-03-08 22:04:59,635 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-08 22:04:59,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1862 events. 178/1862 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13090 event pairs, 84 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 1917. Up to 293 conditions per place. [2025-03-08 22:04:59,655 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2025-03-08 22:04:59,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 906 flow [2025-03-08 22:04:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2025-03-08 22:04:59,658 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2025-03-08 22:04:59,658 INFO L175 Difference]: Start difference. First operand has 406 places, 400 transitions, 866 flow. Second operand 3 states and 1259 transitions. [2025-03-08 22:04:59,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 906 flow [2025-03-08 22:04:59,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 400 transitions, 906 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:04:59,664 INFO L231 Difference]: Finished difference. Result has 405 places, 398 transitions, 872 flow [2025-03-08 22:04:59,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=405, PETRI_TRANSITIONS=398} [2025-03-08 22:04:59,665 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2025-03-08 22:04:59,665 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 398 transitions, 872 flow [2025-03-08 22:04:59,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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 22:04:59,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:59,667 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] [2025-03-08 22:04:59,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 22:04:59,667 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:59,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:59,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1187226859, now seen corresponding path program 1 times [2025-03-08 22:04:59,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:59,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480893796] [2025-03-08 22:04:59,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:59,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:59,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 22:04:59,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 22:04:59,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:59,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:59,711 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 22:04:59,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:59,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480893796] [2025-03-08 22:04:59,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480893796] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:59,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:59,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:59,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679519798] [2025-03-08 22:04:59,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:59,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:59,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:59,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:59,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:04:59,728 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2025-03-08 22:04:59,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 398 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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 22:04:59,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:04:59,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2025-03-08 22:04:59,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:04:59,924 INFO L124 PetriNetUnfolderBase]: 123/1527 cut-off events. [2025-03-08 22:04:59,924 INFO L125 PetriNetUnfolderBase]: For 12/42 co-relation queries the response was YES. [2025-03-08 22:04:59,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1527 events. 123/1527 cut-off events. For 12/42 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9651 event pairs, 28 based on Foata normal form. 1/1353 useless extension candidates. Maximal degree in co-relation 1543. Up to 152 conditions per place. [2025-03-08 22:04:59,939 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2025-03-08 22:04:59,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 398 transitions, 912 flow [2025-03-08 22:04:59,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:04:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:04:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2025-03-08 22:04:59,942 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2025-03-08 22:04:59,942 INFO L175 Difference]: Start difference. First operand has 405 places, 398 transitions, 872 flow. Second operand 3 states and 1259 transitions. [2025-03-08 22:04:59,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 398 transitions, 912 flow [2025-03-08 22:04:59,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 398 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:04:59,947 INFO L231 Difference]: Finished difference. Result has 404 places, 396 transitions, 878 flow [2025-03-08 22:04:59,947 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=404, PETRI_TRANSITIONS=396} [2025-03-08 22:04:59,948 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2025-03-08 22:04:59,948 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 396 transitions, 878 flow [2025-03-08 22:04:59,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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 22:04:59,949 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:04:59,949 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] [2025-03-08 22:04:59,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 22:04:59,949 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:04:59,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:04:59,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2093134397, now seen corresponding path program 1 times [2025-03-08 22:04:59,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:04:59,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955641620] [2025-03-08 22:04:59,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:04:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:04:59,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-08 22:04:59,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-08 22:04:59,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:04:59,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:04:59,992 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 22:04:59,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:04:59,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955641620] [2025-03-08 22:04:59,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955641620] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:04:59,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:04:59,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:04:59,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653389960] [2025-03-08 22:04:59,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:04:59,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:04:59,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:04:59,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:04:59,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:00,001 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2025-03-08 22:05:00,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 396 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:00,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:00,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2025-03-08 22:05:00,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:00,157 INFO L124 PetriNetUnfolderBase]: 60/1524 cut-off events. [2025-03-08 22:05:00,157 INFO L125 PetriNetUnfolderBase]: For 5/20 co-relation queries the response was YES. [2025-03-08 22:05:00,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 1524 events. 60/1524 cut-off events. For 5/20 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8549 event pairs, 8 based on Foata normal form. 2/1374 useless extension candidates. Maximal degree in co-relation 1416. Up to 38 conditions per place. [2025-03-08 22:05:00,173 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2025-03-08 22:05:00,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 397 transitions, 908 flow [2025-03-08 22:05:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:00,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:05:00,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:05:00,176 INFO L175 Difference]: Start difference. First operand has 404 places, 396 transitions, 878 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:05:00,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 397 transitions, 908 flow [2025-03-08 22:05:00,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 397 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:05:00,180 INFO L231 Difference]: Finished difference. Result has 405 places, 395 transitions, 880 flow [2025-03-08 22:05:00,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=405, PETRI_TRANSITIONS=395} [2025-03-08 22:05:00,181 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2025-03-08 22:05:00,181 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 395 transitions, 880 flow [2025-03-08 22:05:00,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:00,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:00,182 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] [2025-03-08 22:05:00,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 22:05:00,182 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:05:00,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:00,183 INFO L85 PathProgramCache]: Analyzing trace with hash -207219638, now seen corresponding path program 1 times [2025-03-08 22:05:00,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:00,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584959615] [2025-03-08 22:05:00,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:00,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:00,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-08 22:05:00,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-08 22:05:00,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:00,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:00,226 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 22:05:00,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:00,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584959615] [2025-03-08 22:05:00,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584959615] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:00,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:00,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:00,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248181671] [2025-03-08 22:05:00,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:00,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:00,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:00,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:00,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:00,243 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2025-03-08 22:05:00,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 395 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 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 22:05:00,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:00,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2025-03-08 22:05:00,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:00,470 INFO L124 PetriNetUnfolderBase]: 222/1927 cut-off events. [2025-03-08 22:05:00,470 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2025-03-08 22:05:00,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1927 events. 222/1927 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 12349 event pairs, 76 based on Foata normal form. 0/1735 useless extension candidates. Maximal degree in co-relation 2166. Up to 346 conditions per place. [2025-03-08 22:05:00,489 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2025-03-08 22:05:00,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 395 transitions, 920 flow [2025-03-08 22:05:00,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2025-03-08 22:05:00,491 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2025-03-08 22:05:00,491 INFO L175 Difference]: Start difference. First operand has 405 places, 395 transitions, 880 flow. Second operand 3 states and 1259 transitions. [2025-03-08 22:05:00,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 395 transitions, 920 flow [2025-03-08 22:05:00,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 395 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:00,496 INFO L231 Difference]: Finished difference. Result has 402 places, 393 transitions, 882 flow [2025-03-08 22:05:00,496 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=393} [2025-03-08 22:05:00,496 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2025-03-08 22:05:00,496 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 393 transitions, 882 flow [2025-03-08 22:05:00,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 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 22:05:00,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:00,497 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] [2025-03-08 22:05:00,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 22:05:00,497 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:05:00,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:00,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2124956402, now seen corresponding path program 1 times [2025-03-08 22:05:00,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:00,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591932450] [2025-03-08 22:05:00,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:00,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:00,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-08 22:05:00,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-08 22:05:00,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:00,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:00,538 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 22:05:00,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:00,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591932450] [2025-03-08 22:05:00,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591932450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:00,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:00,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:00,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499589766] [2025-03-08 22:05:00,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:00,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:00,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:00,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:00,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:00,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2025-03-08 22:05:00,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 393 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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 22:05:00,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:00,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2025-03-08 22:05:00,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:00,721 INFO L124 PetriNetUnfolderBase]: 66/1560 cut-off events. [2025-03-08 22:05:00,722 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2025-03-08 22:05:00,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 1560 events. 66/1560 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8766 event pairs, 6 based on Foata normal form. 1/1444 useless extension candidates. Maximal degree in co-relation 1593. Up to 48 conditions per place. [2025-03-08 22:05:00,732 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2025-03-08 22:05:00,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 394 transitions, 912 flow [2025-03-08 22:05:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:05:00,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:05:00,734 INFO L175 Difference]: Start difference. First operand has 402 places, 393 transitions, 882 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:05:00,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 394 transitions, 912 flow [2025-03-08 22:05:00,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 394 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:05:00,738 INFO L231 Difference]: Finished difference. Result has 403 places, 392 transitions, 884 flow [2025-03-08 22:05:00,739 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=403, PETRI_TRANSITIONS=392} [2025-03-08 22:05:00,739 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2025-03-08 22:05:00,739 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 392 transitions, 884 flow [2025-03-08 22:05:00,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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 22:05:00,740 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:00,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:00,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 22:05:00,740 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:05:00,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:00,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1131077289, now seen corresponding path program 1 times [2025-03-08 22:05:00,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:00,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120111095] [2025-03-08 22:05:00,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:00,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:00,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-08 22:05:00,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-08 22:05:00,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:00,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:00,810 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 22:05:00,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:00,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120111095] [2025-03-08 22:05:00,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120111095] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:00,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:00,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:00,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410820405] [2025-03-08 22:05:00,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:00,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:00,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:00,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:00,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:00,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2025-03-08 22:05:00,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 392 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 22:05:00,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:00,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2025-03-08 22:05:00,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:00,957 INFO L124 PetriNetUnfolderBase]: 74/1231 cut-off events. [2025-03-08 22:05:00,957 INFO L125 PetriNetUnfolderBase]: For 31/37 co-relation queries the response was YES. [2025-03-08 22:05:00,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 1231 events. 74/1231 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6276 event pairs, 14 based on Foata normal form. 0/1155 useless extension candidates. Maximal degree in co-relation 1475. Up to 76 conditions per place. [2025-03-08 22:05:00,969 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2025-03-08 22:05:00,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 393 transitions, 914 flow [2025-03-08 22:05:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2025-03-08 22:05:00,971 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2025-03-08 22:05:00,971 INFO L175 Difference]: Start difference. First operand has 403 places, 392 transitions, 884 flow. Second operand 3 states and 1271 transitions. [2025-03-08 22:05:00,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 393 transitions, 914 flow [2025-03-08 22:05:00,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 393 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:00,976 INFO L231 Difference]: Finished difference. Result has 402 places, 391 transitions, 882 flow [2025-03-08 22:05:00,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=391} [2025-03-08 22:05:00,978 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2025-03-08 22:05:00,978 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 391 transitions, 882 flow [2025-03-08 22:05:00,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 22:05:00,979 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:00,979 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:00,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-08 22:05:00,979 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:05:00,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1634954043, now seen corresponding path program 1 times [2025-03-08 22:05:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:00,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675745015] [2025-03-08 22:05:00,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:00,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-03-08 22:05:01,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-03-08 22:05:01,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:01,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:01,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:05:01,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:01,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675745015] [2025-03-08 22:05:01,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675745015] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:01,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:01,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:01,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830444924] [2025-03-08 22:05:01,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:01,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:01,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:01,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:01,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:01,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2025-03-08 22:05:01,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 391 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:01,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:01,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2025-03-08 22:05:01,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:01,233 INFO L124 PetriNetUnfolderBase]: 60/1538 cut-off events. [2025-03-08 22:05:01,233 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2025-03-08 22:05:01,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1818 conditions, 1538 events. 60/1538 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8418 event pairs, 4 based on Foata normal form. 0/1444 useless extension candidates. Maximal degree in co-relation 1589. Up to 50 conditions per place. [2025-03-08 22:05:01,243 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/390 dead transitions. [2025-03-08 22:05:01,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 390 transitions, 898 flow [2025-03-08 22:05:01,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2025-03-08 22:05:01,245 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2025-03-08 22:05:01,245 INFO L175 Difference]: Start difference. First operand has 402 places, 391 transitions, 882 flow. Second operand 3 states and 1273 transitions. [2025-03-08 22:05:01,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 390 transitions, 898 flow [2025-03-08 22:05:01,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 390 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:05:01,250 INFO L231 Difference]: Finished difference. Result has 401 places, 390 transitions, 878 flow [2025-03-08 22:05:01,250 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=401, PETRI_TRANSITIONS=390} [2025-03-08 22:05:01,251 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2025-03-08 22:05:01,251 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 390 transitions, 878 flow [2025-03-08 22:05:01,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:01,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:01,251 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:01,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-08 22:05:01,251 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:05:01,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash 868963035, now seen corresponding path program 1 times [2025-03-08 22:05:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:01,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32846628] [2025-03-08 22:05:01,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:01,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 335 statements into 1 equivalence classes. [2025-03-08 22:05:01,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 335 of 335 statements. [2025-03-08 22:05:01,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:01,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:01,322 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 22:05:01,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:01,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32846628] [2025-03-08 22:05:01,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32846628] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:01,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:01,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:01,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965291238] [2025-03-08 22:05:01,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:01,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:01,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:01,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:01,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:01,330 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2025-03-08 22:05:01,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 390 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:01,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:01,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2025-03-08 22:05:01,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:01,544 INFO L124 PetriNetUnfolderBase]: 56/1511 cut-off events. [2025-03-08 22:05:01,545 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2025-03-08 22:05:01,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1729 conditions, 1511 events. 56/1511 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8223 event pairs, 3 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1698. Up to 48 conditions per place. [2025-03-08 22:05:01,563 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2025-03-08 22:05:01,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 389 transitions, 894 flow [2025-03-08 22:05:01,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2025-03-08 22:05:01,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2025-03-08 22:05:01,566 INFO L175 Difference]: Start difference. First operand has 401 places, 390 transitions, 878 flow. Second operand 3 states and 1273 transitions. [2025-03-08 22:05:01,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 389 transitions, 894 flow [2025-03-08 22:05:01,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 389 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:05:01,573 INFO L231 Difference]: Finished difference. Result has 401 places, 389 transitions, 877 flow [2025-03-08 22:05:01,573 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=877, PETRI_PLACES=401, PETRI_TRANSITIONS=389} [2025-03-08 22:05:01,574 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2025-03-08 22:05:01,574 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 389 transitions, 877 flow [2025-03-08 22:05:01,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:01,575 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:05:01,575 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:01,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-08 22:05:01,575 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2025-03-08 22:05:01,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:05:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1372739785, now seen corresponding path program 1 times [2025-03-08 22:05:01,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:05:01,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132600617] [2025-03-08 22:05:01,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:05:01,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:05:01,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 337 statements into 1 equivalence classes. [2025-03-08 22:05:01,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 337 of 337 statements. [2025-03-08 22:05:01,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:05:01,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:05:01,656 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 22:05:01,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:05:01,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132600617] [2025-03-08 22:05:01,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132600617] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:05:01,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:05:01,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:05:01,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592987688] [2025-03-08 22:05:01,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:05:01,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:05:01,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:05:01,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:05:01,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:05:01,666 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2025-03-08 22:05:01,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 389 transitions, 877 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:01,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:05:01,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2025-03-08 22:05:01,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:05:01,813 INFO L124 PetriNetUnfolderBase]: 52/1170 cut-off events. [2025-03-08 22:05:01,813 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2025-03-08 22:05:01,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 1170 events. 52/1170 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5809 event pairs, 7 based on Foata normal form. 2/1098 useless extension candidates. Maximal degree in co-relation 1358. Up to 42 conditions per place. [2025-03-08 22:05:01,827 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 0 selfloop transitions, 0 changer transitions 388/388 dead transitions. [2025-03-08 22:05:01,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 388 transitions, 891 flow [2025-03-08 22:05:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:05:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:05:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2025-03-08 22:05:01,830 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.952808988764045 [2025-03-08 22:05:01,830 INFO L175 Difference]: Start difference. First operand has 401 places, 389 transitions, 877 flow. Second operand 3 states and 1272 transitions. [2025-03-08 22:05:01,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 388 transitions, 891 flow [2025-03-08 22:05:01,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 388 transitions, 890 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:05:01,835 INFO L231 Difference]: Finished difference. Result has 401 places, 0 transitions, 0 flow [2025-03-08 22:05:01,836 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=401, PETRI_TRANSITIONS=0} [2025-03-08 22:05:01,836 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2025-03-08 22:05:01,836 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 0 transitions, 0 flow [2025-03-08 22:05:01,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:05:01,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (68 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (67 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (64 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (63 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (62 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 69 remaining) [2025-03-08 22:05:01,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (58 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (51 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (50 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (48 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (46 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (43 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (42 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (39 of 69 remaining) [2025-03-08 22:05:01,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (26 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (25 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (21 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (17 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 69 remaining) [2025-03-08 22:05:01,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 69 remaining) [2025-03-08 22:05:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 69 remaining) [2025-03-08 22:05:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 69 remaining) [2025-03-08 22:05:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 69 remaining) [2025-03-08 22:05:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 69 remaining) [2025-03-08 22:05:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 69 remaining) [2025-03-08 22:05:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 69 remaining) [2025-03-08 22:05:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 69 remaining) [2025-03-08 22:05:01,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 69 remaining) [2025-03-08 22:05:01,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 69 remaining) [2025-03-08 22:05:01,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 69 remaining) [2025-03-08 22:05:01,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 69 remaining) [2025-03-08 22:05:01,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 69 remaining) [2025-03-08 22:05:01,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 69 remaining) [2025-03-08 22:05:01,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-08 22:05:01,845 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:05:01,850 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:05:01,850 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:05:01,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:05:01 BasicIcfg [2025-03-08 22:05:01,855 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:05:01,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:05:01,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:05:01,856 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:05:01,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:04:55" (3/4) ... [2025-03-08 22:05:01,858 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:05:01,861 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:05:01,862 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:05:01,862 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-08 22:05:01,867 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-08 22:05:01,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:05:01,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:05:01,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:05:01,935 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:05:01,935 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:05:01,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:05:01,935 INFO L158 Benchmark]: Toolchain (without parser) took 7409.60ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 106.8MB in the beginning and 277.1MB in the end (delta: -170.3MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2025-03-08 22:05:01,935 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:05:01,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.56ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:05:01,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.05ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 91.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:05:01,936 INFO L158 Benchmark]: Boogie Preprocessor took 32.32ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:05:01,936 INFO L158 Benchmark]: IcfgBuilder took 566.01ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 62.8MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 22:05:01,936 INFO L158 Benchmark]: TraceAbstraction took 6464.05ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 62.1MB in the beginning and 285.5MB in the end (delta: -223.4MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2025-03-08 22:05:01,936 INFO L158 Benchmark]: Witness Printer took 79.02ms. Allocated memory is still 436.2MB. Free memory was 285.5MB in the beginning and 277.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:05:01,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.56ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.05ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 91.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.32ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 566.01ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 62.8MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6464.05ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 62.1MB in the beginning and 285.5MB in the end (delta: -223.4MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Witness Printer took 79.02ms. Allocated memory is still 436.2MB. Free memory was 285.5MB in the beginning and 277.1MB 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 59]: 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: 60]: 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: 61]: 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: 61]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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 7 procedures, 701 locations, 733 edges, 69 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: 6.3s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 102 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=20, InterpolantAutomatonStates: 72, 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, 0.9s InterpolantComputationTime, 3250 NumberOfCodeBlocks, 3250 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3226 ConstructedInterpolants, 0 QuantifiedInterpolants, 3274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:05:01,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE