./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:28:52,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:28:52,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:28:52,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:28:52,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:28:52,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:28:52,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:28:52,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:28:52,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:28:52,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:28:52,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:28:52,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:28:52,752 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:28:52,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:28:52,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:28:52,753 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:28:52,754 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:28:52,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:28:52,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:28:52,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:28:52,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:28:52,755 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-jdk21/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 -> 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 [2025-02-06 09:28:52,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:28:52,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:28:52,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:28:52,977 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:28:52,978 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:28:52,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2025-02-06 09:28:54,124 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26b27aeb0/3aca03c780904259b43c3e20d99354e6/FLAG2424e5144 [2025-02-06 09:28:54,427 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:28:54,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2025-02-06 09:28:54,441 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26b27aeb0/3aca03c780904259b43c3e20d99354e6/FLAG2424e5144 [2025-02-06 09:28:54,454 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26b27aeb0/3aca03c780904259b43c3e20d99354e6 [2025-02-06 09:28:54,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:28:54,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:28:54,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:28:54,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:28:54,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:28:54,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceba2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54, skipping insertion in model container [2025-02-06 09:28:54,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:28:54,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:28:54,670 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:28:54,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:28:54,755 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:28:54,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54 WrapperNode [2025-02-06 09:28:54,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:28:54,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:28:54,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:28:54,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:28:54,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,807 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1313 [2025-02-06 09:28:54,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:28:54,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:28:54,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:28:54,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:28:54,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:28:54,846 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:28:54,846 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:28:54,846 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:28:54,847 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (1/1) ... [2025-02-06 09:28:54,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:28:54,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:28:54,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:28:54,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:28:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:28:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:28:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:28:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:28:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:28:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 09:28:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 09:28:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:28:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:28:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:28:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:28:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:28:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:28:54,893 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:28:55,023 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:28:55,024 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:28:56,220 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:28:56,220 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:28:56,260 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:28:56,264 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:28:56,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:56 BoogieIcfgContainer [2025-02-06 09:28:56,265 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:28:56,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:28:56,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:28:56,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:28:56,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:28:54" (1/3) ... [2025-02-06 09:28:56,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fdb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:28:56, skipping insertion in model container [2025-02-06 09:28:56,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:28:54" (2/3) ... [2025-02-06 09:28:56,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fdb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:28:56, skipping insertion in model container [2025-02-06 09:28:56,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:28:56" (3/3) ... [2025-02-06 09:28:56,273 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2025-02-06 09:28:56,285 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:28:56,287 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-nzb-file-subst.wvr.c that has 4 procedures, 1670 locations, 1 initial locations, 6 loop locations, and 227 error locations. [2025-02-06 09:28:56,287 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:28:56,550 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 09:28:56,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1679 places, 1777 transitions, 3575 flow [2025-02-06 09:28:57,560 INFO L124 PetriNetUnfolderBase]: 108/1774 cut-off events. [2025-02-06 09:28:57,563 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:28:57,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1787 conditions, 1774 events. 108/1774 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7747 event pairs, 0 based on Foata normal form. 0/1439 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2025-02-06 09:28:57,640 INFO L82 GeneralOperation]: Start removeDead. Operand has 1679 places, 1777 transitions, 3575 flow [2025-02-06 09:28:57,721 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1656 places, 1751 transitions, 3520 flow [2025-02-06 09:28:57,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:28:57,733 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@21146676, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:28:57,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 428 error locations. [2025-02-06 09:28:57,738 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:28:57,738 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2025-02-06 09:28:57,738 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:28:57,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:28:57,739 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:28:57,739 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:28:57,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:28:57,743 INFO L85 PathProgramCache]: Analyzing trace with hash -556356908, now seen corresponding path program 1 times [2025-02-06 09:28:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:28:57,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224191757] [2025-02-06 09:28:57,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:28:57,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:28:57,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:28:57,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:28:57,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:28:57,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:28:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:28:57,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:28:57,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224191757] [2025-02-06 09:28:57,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224191757] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:28:57,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:28:57,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:28:57,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046728310] [2025-02-06 09:28:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:28:57,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:28:57,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:28:57,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:28:57,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:28:57,977 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-02-06 09:28:57,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1656 places, 1751 transitions, 3520 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:28:57,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:28:57,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-02-06 09:28:57,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:28:59,776 INFO L124 PetriNetUnfolderBase]: 171/3528 cut-off events. [2025-02-06 09:28:59,776 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2025-02-06 09:28:59,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 3528 events. 171/3528 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 21605 event pairs, 7 based on Foata normal form. 110/2918 useless extension candidates. Maximal degree in co-relation 3191. Up to 25 conditions per place. [2025-02-06 09:28:59,952 INFO L140 encePairwiseOnDemand]: 1741/1777 looper letters, 11 selfloop transitions, 2 changer transitions 6/1717 dead transitions. [2025-02-06 09:28:59,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1657 places, 1717 transitions, 3478 flow [2025-02-06 09:28:59,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:28:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:28:59,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2025-02-06 09:28:59,978 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9806790470830988 [2025-02-06 09:28:59,981 INFO L175 Difference]: Start difference. First operand has 1656 places, 1751 transitions, 3520 flow. Second operand 3 states and 5228 transitions. [2025-02-06 09:28:59,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1657 places, 1717 transitions, 3478 flow [2025-02-06 09:28:59,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1651 places, 1717 transitions, 3466 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-06 09:29:00,015 INFO L231 Difference]: Finished difference. Result has 1651 places, 1711 transitions, 3432 flow [2025-02-06 09:29:00,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3440, PETRI_DIFFERENCE_MINUEND_PLACES=1649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1651, PETRI_TRANSITIONS=1711} [2025-02-06 09:29:00,025 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -5 predicate places. [2025-02-06 09:29:00,025 INFO L471 AbstractCegarLoop]: Abstraction has has 1651 places, 1711 transitions, 3432 flow [2025-02-06 09:29:00,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:00,028 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:00,028 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] [2025-02-06 09:29:00,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:29:00,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:00,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1794403422, now seen corresponding path program 1 times [2025-02-06 09:29:00,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:00,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142307433] [2025-02-06 09:29:00,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:00,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:00,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 09:29:00,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 09:29:00,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:00,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:00,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:00,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142307433] [2025-02-06 09:29:00,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142307433] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:00,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:00,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:00,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212986054] [2025-02-06 09:29:00,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:00,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:00,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:00,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:00,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:00,139 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-02-06 09:29:00,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:00,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:00,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-02-06 09:29:00,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:01,594 INFO L124 PetriNetUnfolderBase]: 171/3521 cut-off events. [2025-02-06 09:29:01,594 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2025-02-06 09:29:01,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3559 conditions, 3521 events. 171/3521 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 22758 event pairs, 7 based on Foata normal form. 0/2809 useless extension candidates. Maximal degree in co-relation 3513. Up to 25 conditions per place. [2025-02-06 09:29:01,917 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2025-02-06 09:29:01,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3456 flow [2025-02-06 09:29:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-02-06 09:29:01,925 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-02-06 09:29:01,925 INFO L175 Difference]: Start difference. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand 3 states and 5195 transitions. [2025-02-06 09:29:01,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3456 flow [2025-02-06 09:29:01,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:01,941 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2025-02-06 09:29:01,943 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1644, PETRI_TRANSITIONS=1710} [2025-02-06 09:29:01,944 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -12 predicate places. [2025-02-06 09:29:01,944 INFO L471 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2025-02-06 09:29:01,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:01,947 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:01,947 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] [2025-02-06 09:29:01,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:29:01,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:01,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:01,948 INFO L85 PathProgramCache]: Analyzing trace with hash -593482855, now seen corresponding path program 1 times [2025-02-06 09:29:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:01,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905601052] [2025-02-06 09:29:01,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:01,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 09:29:01,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 09:29:01,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:01,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:01,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:01,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905601052] [2025-02-06 09:29:01,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905601052] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:01,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:01,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:01,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892664095] [2025-02-06 09:29:01,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:01,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:01,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:01,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:01,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:02,001 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-02-06 09:29:02,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:02,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:02,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-02-06 09:29:02,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:02,747 INFO L124 PetriNetUnfolderBase]: 123/2619 cut-off events. [2025-02-06 09:29:02,747 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-02-06 09:29:02,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2652 conditions, 2619 events. 123/2619 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14423 event pairs, 5 based on Foata normal form. 0/2103 useless extension candidates. Maximal degree in co-relation 2598. Up to 22 conditions per place. [2025-02-06 09:29:02,827 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2025-02-06 09:29:02,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3454 flow [2025-02-06 09:29:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-02-06 09:29:02,834 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-02-06 09:29:02,834 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5195 transitions. [2025-02-06 09:29:02,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3454 flow [2025-02-06 09:29:02,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:02,851 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2025-02-06 09:29:02,853 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1643, PETRI_TRANSITIONS=1709} [2025-02-06 09:29:02,853 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -13 predicate places. [2025-02-06 09:29:02,854 INFO L471 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2025-02-06 09:29:02,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:02,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:02,856 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:02,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:29:02,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:02,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:02,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1643914504, now seen corresponding path program 1 times [2025-02-06 09:29:02,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:02,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403427990] [2025-02-06 09:29:02,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:02,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:02,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 09:29:02,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 09:29:02,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:02,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:02,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:02,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403427990] [2025-02-06 09:29:02,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403427990] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:02,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:02,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:02,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364595356] [2025-02-06 09:29:02,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:02,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:02,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:02,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:02,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:02,907 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-02-06 09:29:02,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:02,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:02,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-02-06 09:29:02,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:03,699 INFO L124 PetriNetUnfolderBase]: 123/2618 cut-off events. [2025-02-06 09:29:03,699 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-02-06 09:29:03,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2651 conditions, 2618 events. 123/2618 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14879 event pairs, 5 based on Foata normal form. 0/2104 useless extension candidates. Maximal degree in co-relation 2589. Up to 22 conditions per place. [2025-02-06 09:29:03,798 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2025-02-06 09:29:03,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3452 flow [2025-02-06 09:29:03,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-02-06 09:29:03,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-02-06 09:29:03,815 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5195 transitions. [2025-02-06 09:29:03,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3452 flow [2025-02-06 09:29:03,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:03,837 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2025-02-06 09:29:03,839 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1642, PETRI_TRANSITIONS=1708} [2025-02-06 09:29:03,841 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -14 predicate places. [2025-02-06 09:29:03,844 INFO L471 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2025-02-06 09:29:03,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:03,847 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:03,847 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:03,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:29:03,848 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:03,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1372051800, now seen corresponding path program 1 times [2025-02-06 09:29:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:03,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579664902] [2025-02-06 09:29:03,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:03,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 09:29:03,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 09:29:03,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:03,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:03,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:03,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579664902] [2025-02-06 09:29:03,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579664902] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:03,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:03,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:03,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090323094] [2025-02-06 09:29:03,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:03,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:03,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:03,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:03,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:03,938 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-02-06 09:29:03,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:03,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:03,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-02-06 09:29:03,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:04,809 INFO L124 PetriNetUnfolderBase]: 102/2168 cut-off events. [2025-02-06 09:29:04,810 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-02-06 09:29:04,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 2168 events. 102/2168 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10912 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2133. Up to 25 conditions per place. [2025-02-06 09:29:04,913 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2025-02-06 09:29:04,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3450 flow [2025-02-06 09:29:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-02-06 09:29:04,921 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-02-06 09:29:04,921 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5195 transitions. [2025-02-06 09:29:04,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3450 flow [2025-02-06 09:29:04,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:04,946 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2025-02-06 09:29:04,948 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1641, PETRI_TRANSITIONS=1707} [2025-02-06 09:29:04,949 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -15 predicate places. [2025-02-06 09:29:04,949 INFO L471 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2025-02-06 09:29:04,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:04,952 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:04,952 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:04,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:29:04,953 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:04,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1937674430, now seen corresponding path program 1 times [2025-02-06 09:29:04,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:04,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509659762] [2025-02-06 09:29:04,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:04,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:04,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 09:29:04,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 09:29:04,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:04,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:05,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:05,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509659762] [2025-02-06 09:29:05,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509659762] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:05,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:05,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:05,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445388943] [2025-02-06 09:29:05,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:05,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:05,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:05,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:05,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:05,039 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1777 [2025-02-06 09:29:05,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:05,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:05,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1777 [2025-02-06 09:29:05,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:05,924 INFO L124 PetriNetUnfolderBase]: 102/2167 cut-off events. [2025-02-06 09:29:05,925 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-02-06 09:29:06,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2202 conditions, 2167 events. 102/2167 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11208 event pairs, 7 based on Foata normal form. 0/1753 useless extension candidates. Maximal degree in co-relation 2124. Up to 25 conditions per place. [2025-02-06 09:29:06,052 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2025-02-06 09:29:06,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3448 flow [2025-02-06 09:29:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2025-02-06 09:29:06,058 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9744888388670043 [2025-02-06 09:29:06,058 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5195 transitions. [2025-02-06 09:29:06,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3448 flow [2025-02-06 09:29:06,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:06,077 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2025-02-06 09:29:06,078 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1640, PETRI_TRANSITIONS=1706} [2025-02-06 09:29:06,079 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -16 predicate places. [2025-02-06 09:29:06,079 INFO L471 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2025-02-06 09:29:06,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 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) [2025-02-06 09:29:06,083 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:06,083 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] [2025-02-06 09:29:06,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:29:06,083 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:06,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:06,084 INFO L85 PathProgramCache]: Analyzing trace with hash -849076987, now seen corresponding path program 1 times [2025-02-06 09:29:06,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:06,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893433374] [2025-02-06 09:29:06,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:06,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:06,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 09:29:06,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 09:29:06,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:06,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:06,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:06,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893433374] [2025-02-06 09:29:06,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893433374] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:06,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:06,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:06,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331204309] [2025-02-06 09:29:06,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:06,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:06,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:06,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:06,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:06,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1719 out of 1777 [2025-02-06 09:29:06,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 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) [2025-02-06 09:29:06,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:06,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1719 of 1777 [2025-02-06 09:29:06,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:09,112 INFO L124 PetriNetUnfolderBase]: 504/9850 cut-off events. [2025-02-06 09:29:09,112 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2025-02-06 09:29:09,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9933 conditions, 9850 events. 504/9850 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 88770 event pairs, 18 based on Foata normal form. 0/7775 useless extension candidates. Maximal degree in co-relation 9847. Up to 56 conditions per place. [2025-02-06 09:29:09,367 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 19 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2025-02-06 09:29:09,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3462 flow [2025-02-06 09:29:09,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5179 transitions. [2025-02-06 09:29:09,372 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9714875257925343 [2025-02-06 09:29:09,372 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5179 transitions. [2025-02-06 09:29:09,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3462 flow [2025-02-06 09:29:09,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:09,386 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2025-02-06 09:29:09,387 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1639, PETRI_TRANSITIONS=1705} [2025-02-06 09:29:09,388 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -17 predicate places. [2025-02-06 09:29:09,388 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2025-02-06 09:29:09,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 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) [2025-02-06 09:29:09,389 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:09,389 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:09,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:29:09,390 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:09,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:09,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1778571447, now seen corresponding path program 1 times [2025-02-06 09:29:09,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:09,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669111256] [2025-02-06 09:29:09,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:09,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:09,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 09:29:09,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 09:29:09,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:09,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:09,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:09,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669111256] [2025-02-06 09:29:09,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669111256] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:09,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:09,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:09,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705987055] [2025-02-06 09:29:09,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:09,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:09,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:09,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:09,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:09,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-02-06 09:29:09,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-02-06 09:29:09,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:09,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-02-06 09:29:09,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:15,129 INFO L124 PetriNetUnfolderBase]: 792/15279 cut-off events. [2025-02-06 09:29:15,129 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-02-06 09:29:15,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15403 conditions, 15279 events. 792/15279 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 154402 event pairs, 30 based on Foata normal form. 0/12031 useless extension candidates. Maximal degree in co-relation 15309. Up to 85 conditions per place. [2025-02-06 09:29:15,567 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2025-02-06 09:29:15,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3470 flow [2025-02-06 09:29:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-02-06 09:29:15,574 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-02-06 09:29:15,574 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5169 transitions. [2025-02-06 09:29:15,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3470 flow [2025-02-06 09:29:15,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3466 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:15,590 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2025-02-06 09:29:15,593 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1638, PETRI_TRANSITIONS=1704} [2025-02-06 09:29:15,595 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -18 predicate places. [2025-02-06 09:29:15,595 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2025-02-06 09:29:15,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-02-06 09:29:15,596 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:15,596 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] [2025-02-06 09:29:15,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:29:15,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:15,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:15,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1164436534, now seen corresponding path program 1 times [2025-02-06 09:29:15,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:15,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171571621] [2025-02-06 09:29:15,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:15,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:15,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 09:29:15,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 09:29:15,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:15,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:15,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:15,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171571621] [2025-02-06 09:29:15,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171571621] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:15,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:15,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:15,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469635271] [2025-02-06 09:29:15,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:15,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:15,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:15,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:15,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:15,682 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1777 [2025-02-06 09:29:15,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-02-06 09:29:15,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:15,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1777 [2025-02-06 09:29:15,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:18,038 INFO L124 PetriNetUnfolderBase]: 297/5780 cut-off events. [2025-02-06 09:29:18,039 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2025-02-06 09:29:18,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5855 conditions, 5780 events. 297/5780 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 42729 event pairs, 18 based on Foata normal form. 0/4585 useless extension candidates. Maximal degree in co-relation 5753. Up to 57 conditions per place. [2025-02-06 09:29:18,280 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 20 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2025-02-06 09:29:18,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3460 flow [2025-02-06 09:29:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:18,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-02-06 09:29:18,287 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9711123616582255 [2025-02-06 09:29:18,287 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2025-02-06 09:29:18,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3460 flow [2025-02-06 09:29:18,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:18,306 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2025-02-06 09:29:18,308 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1637, PETRI_TRANSITIONS=1703} [2025-02-06 09:29:18,309 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -19 predicate places. [2025-02-06 09:29:18,309 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2025-02-06 09:29:18,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-02-06 09:29:18,310 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:18,310 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] [2025-02-06 09:29:18,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:29:18,311 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:18,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:18,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1127161388, now seen corresponding path program 1 times [2025-02-06 09:29:18,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:18,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553346871] [2025-02-06 09:29:18,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:18,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 09:29:18,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 09:29:18,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:18,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:18,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:18,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553346871] [2025-02-06 09:29:18,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553346871] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:18,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:18,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:18,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403394934] [2025-02-06 09:29:18,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:18,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:18,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:18,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:18,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:18,413 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-02-06 09:29:18,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-02-06 09:29:18,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:18,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-02-06 09:29:18,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:22,245 INFO L124 PetriNetUnfolderBase]: 447/8497 cut-off events. [2025-02-06 09:29:22,246 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2025-02-06 09:29:22,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8606 conditions, 8497 events. 447/8497 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 71595 event pairs, 30 based on Foata normal form. 0/6711 useless extension candidates. Maximal degree in co-relation 8496. Up to 85 conditions per place. [2025-02-06 09:29:22,546 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2025-02-06 09:29:22,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1702 transitions, 3466 flow [2025-02-06 09:29:22,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:22,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-02-06 09:29:22,552 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-02-06 09:29:22,552 INFO L175 Difference]: Start difference. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand 3 states and 5169 transitions. [2025-02-06 09:29:22,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1702 transitions, 3466 flow [2025-02-06 09:29:22,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1702 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:22,566 INFO L231 Difference]: Finished difference. Result has 1636 places, 1702 transitions, 3414 flow [2025-02-06 09:29:22,568 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1636, PETRI_TRANSITIONS=1702} [2025-02-06 09:29:22,569 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -20 predicate places. [2025-02-06 09:29:22,569 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1702 transitions, 3414 flow [2025-02-06 09:29:22,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-02-06 09:29:22,570 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:22,570 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:22,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:29:22,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:22,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:22,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1345152845, now seen corresponding path program 1 times [2025-02-06 09:29:22,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:22,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396762946] [2025-02-06 09:29:22,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:22,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:22,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-06 09:29:22,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-06 09:29:22,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:22,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:22,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:22,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396762946] [2025-02-06 09:29:22,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396762946] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:22,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:22,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693838996] [2025-02-06 09:29:22,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:22,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:22,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:22,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:22,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:22,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1777 [2025-02-06 09:29:22,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-02-06 09:29:22,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:22,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1777 [2025-02-06 09:29:22,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:23,394 INFO L124 PetriNetUnfolderBase]: 90/1737 cut-off events. [2025-02-06 09:29:23,394 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-02-06 09:29:23,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1803 conditions, 1737 events. 90/1737 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8584 event pairs, 18 based on Foata normal form. 0/1423 useless extension candidates. Maximal degree in co-relation 1685. Up to 57 conditions per place. [2025-02-06 09:29:23,469 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 20 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2025-02-06 09:29:23,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1701 transitions, 3456 flow [2025-02-06 09:29:23,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2025-02-06 09:29:23,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9711123616582255 [2025-02-06 09:29:23,476 INFO L175 Difference]: Start difference. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand 3 states and 5177 transitions. [2025-02-06 09:29:23,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1701 transitions, 3456 flow [2025-02-06 09:29:23,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1701 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:23,493 INFO L231 Difference]: Finished difference. Result has 1635 places, 1701 transitions, 3412 flow [2025-02-06 09:29:23,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1635, PETRI_TRANSITIONS=1701} [2025-02-06 09:29:23,495 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -21 predicate places. [2025-02-06 09:29:23,495 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1701 transitions, 3412 flow [2025-02-06 09:29:23,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 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) [2025-02-06 09:29:23,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:23,497 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] [2025-02-06 09:29:23,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:29:23,497 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:23,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:23,497 INFO L85 PathProgramCache]: Analyzing trace with hash 835441435, now seen corresponding path program 1 times [2025-02-06 09:29:23,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:23,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695029921] [2025-02-06 09:29:23,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:23,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:23,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 09:29:23,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 09:29:23,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:23,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:23,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:23,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695029921] [2025-02-06 09:29:23,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695029921] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:23,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:23,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:23,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670260584] [2025-02-06 09:29:23,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:23,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:23,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:23,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:23,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:23,624 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1777 [2025-02-06 09:29:23,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-02-06 09:29:23,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:23,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1777 [2025-02-06 09:29:23,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:24,686 INFO L124 PetriNetUnfolderBase]: 135/2397 cut-off events. [2025-02-06 09:29:24,687 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2025-02-06 09:29:24,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 2397 events. 135/2397 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 13948 event pairs, 30 based on Foata normal form. 0/1936 useless extension candidates. Maximal degree in co-relation 2366. Up to 86 conditions per place. [2025-02-06 09:29:24,815 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2025-02-06 09:29:24,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1700 transitions, 3462 flow [2025-02-06 09:29:24,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2025-02-06 09:29:24,823 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9696117051209905 [2025-02-06 09:29:24,823 INFO L175 Difference]: Start difference. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand 3 states and 5169 transitions. [2025-02-06 09:29:24,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1700 transitions, 3462 flow [2025-02-06 09:29:24,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:24,846 INFO L231 Difference]: Finished difference. Result has 1634 places, 1700 transitions, 3410 flow [2025-02-06 09:29:24,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1634, PETRI_TRANSITIONS=1700} [2025-02-06 09:29:24,849 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -22 predicate places. [2025-02-06 09:29:24,849 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1700 transitions, 3410 flow [2025-02-06 09:29:24,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 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) [2025-02-06 09:29:24,850 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:24,850 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:24,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 09:29:24,850 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:24,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:24,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1087233331, now seen corresponding path program 1 times [2025-02-06 09:29:24,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:24,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043587250] [2025-02-06 09:29:24,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:24,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 09:29:24,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 09:29:24,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:24,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:24,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:24,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043587250] [2025-02-06 09:29:24,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043587250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:24,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:24,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:24,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324302417] [2025-02-06 09:29:24,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:24,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:24,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:24,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:24,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:24,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-02-06 09:29:24,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-02-06 09:29:24,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:24,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-02-06 09:29:24,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:27,671 INFO L124 PetriNetUnfolderBase]: 458/8015 cut-off events. [2025-02-06 09:29:27,671 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2025-02-06 09:29:27,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8182 conditions, 8015 events. 458/8015 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 75158 event pairs, 64 based on Foata normal form. 0/6353 useless extension candidates. Maximal degree in co-relation 8048. Up to 130 conditions per place. [2025-02-06 09:29:27,877 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2025-02-06 09:29:27,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1699 transitions, 3446 flow [2025-02-06 09:29:27,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-02-06 09:29:27,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-02-06 09:29:27,881 INFO L175 Difference]: Start difference. First operand has 1634 places, 1700 transitions, 3410 flow. Second operand 3 states and 5183 transitions. [2025-02-06 09:29:27,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1699 transitions, 3446 flow [2025-02-06 09:29:27,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1699 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:27,897 INFO L231 Difference]: Finished difference. Result has 1633 places, 1699 transitions, 3408 flow [2025-02-06 09:29:27,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1633, PETRI_TRANSITIONS=1699} [2025-02-06 09:29:27,899 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -23 predicate places. [2025-02-06 09:29:27,899 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1699 transitions, 3408 flow [2025-02-06 09:29:27,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-02-06 09:29:27,900 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:27,900 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] [2025-02-06 09:29:27,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 09:29:27,901 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:27,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:27,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1061851871, now seen corresponding path program 1 times [2025-02-06 09:29:27,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:27,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841756228] [2025-02-06 09:29:27,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:27,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 09:29:27,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 09:29:27,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:27,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:27,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:27,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841756228] [2025-02-06 09:29:27,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841756228] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:27,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:27,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:27,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939335767] [2025-02-06 09:29:27,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:27,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:27,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:27,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:27,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:27,981 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-02-06 09:29:27,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-02-06 09:29:27,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:27,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-02-06 09:29:27,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:29,915 INFO L124 PetriNetUnfolderBase]: 334/6222 cut-off events. [2025-02-06 09:29:29,915 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-02-06 09:29:30,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6321 conditions, 6222 events. 334/6222 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 52543 event pairs, 32 based on Foata normal form. 0/4933 useless extension candidates. Maximal degree in co-relation 6179. Up to 82 conditions per place. [2025-02-06 09:29:30,208 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2025-02-06 09:29:30,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1698 transitions, 3444 flow [2025-02-06 09:29:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-02-06 09:29:30,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-02-06 09:29:30,220 INFO L175 Difference]: Start difference. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand 3 states and 5183 transitions. [2025-02-06 09:29:30,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1698 transitions, 3444 flow [2025-02-06 09:29:30,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1698 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:30,237 INFO L231 Difference]: Finished difference. Result has 1632 places, 1698 transitions, 3406 flow [2025-02-06 09:29:30,238 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3406, PETRI_PLACES=1632, PETRI_TRANSITIONS=1698} [2025-02-06 09:29:30,238 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -24 predicate places. [2025-02-06 09:29:30,238 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1698 transitions, 3406 flow [2025-02-06 09:29:30,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-02-06 09:29:30,239 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:30,239 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] [2025-02-06 09:29:30,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 09:29:30,239 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:30,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:30,240 INFO L85 PathProgramCache]: Analyzing trace with hash 132798930, now seen corresponding path program 1 times [2025-02-06 09:29:30,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:30,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110058319] [2025-02-06 09:29:30,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:30,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:30,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-06 09:29:30,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-06 09:29:30,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:30,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:30,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:30,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110058319] [2025-02-06 09:29:30,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110058319] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:30,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:30,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:30,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127818026] [2025-02-06 09:29:30,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:30,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:30,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:30,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:30,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:30,311 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1777 [2025-02-06 09:29:30,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-02-06 09:29:30,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:30,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1777 [2025-02-06 09:29:30,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:31,622 INFO L124 PetriNetUnfolderBase]: 315/5276 cut-off events. [2025-02-06 09:29:31,623 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2025-02-06 09:29:31,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5428 conditions, 5276 events. 315/5276 cut-off events. For 29/70 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 41700 event pairs, 64 based on Foata normal form. 0/4202 useless extension candidates. Maximal degree in co-relation 5278. Up to 139 conditions per place. [2025-02-06 09:29:31,873 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 17 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2025-02-06 09:29:31,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1697 transitions, 3442 flow [2025-02-06 09:29:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5183 transitions. [2025-02-06 09:29:31,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9722378540611517 [2025-02-06 09:29:31,877 INFO L175 Difference]: Start difference. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand 3 states and 5183 transitions. [2025-02-06 09:29:31,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1697 transitions, 3442 flow [2025-02-06 09:29:31,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1697 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:31,890 INFO L231 Difference]: Finished difference. Result has 1631 places, 1697 transitions, 3404 flow [2025-02-06 09:29:31,891 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1631, PETRI_TRANSITIONS=1697} [2025-02-06 09:29:31,891 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -25 predicate places. [2025-02-06 09:29:31,891 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1697 transitions, 3404 flow [2025-02-06 09:29:31,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2025-02-06 09:29:31,892 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:31,892 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] [2025-02-06 09:29:31,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 09:29:31,892 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:31,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:31,893 INFO L85 PathProgramCache]: Analyzing trace with hash 174494818, now seen corresponding path program 1 times [2025-02-06 09:29:31,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:31,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460031616] [2025-02-06 09:29:31,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:31,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:31,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-06 09:29:31,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-06 09:29:31,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:31,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:31,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:31,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460031616] [2025-02-06 09:29:31,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460031616] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:31,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:31,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:31,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738247717] [2025-02-06 09:29:31,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:31,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:31,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:31,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:31,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:31,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1777 [2025-02-06 09:29:31,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-02-06 09:29:31,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:31,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1777 [2025-02-06 09:29:31,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:37,538 INFO L124 PetriNetUnfolderBase]: 744/14366 cut-off events. [2025-02-06 09:29:37,539 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2025-02-06 09:29:37,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14483 conditions, 14366 events. 744/14366 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 143906 event pairs, 28 based on Foata normal form. 0/11327 useless extension candidates. Maximal degree in co-relation 14325. Up to 80 conditions per place. [2025-02-06 09:29:38,188 INFO L140 encePairwiseOnDemand]: 1774/1777 looper letters, 23 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2025-02-06 09:29:38,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1696 transitions, 3452 flow [2025-02-06 09:29:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:29:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:29:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5171 transitions. [2025-02-06 09:29:38,191 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9699868692552992 [2025-02-06 09:29:38,191 INFO L175 Difference]: Start difference. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand 3 states and 5171 transitions. [2025-02-06 09:29:38,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1696 transitions, 3452 flow [2025-02-06 09:29:38,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1696 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:29:38,205 INFO L231 Difference]: Finished difference. Result has 1630 places, 1696 transitions, 3402 flow [2025-02-06 09:29:38,207 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1777, PETRI_DIFFERENCE_MINUEND_FLOW=3398, PETRI_DIFFERENCE_MINUEND_PLACES=1628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3402, PETRI_PLACES=1630, PETRI_TRANSITIONS=1696} [2025-02-06 09:29:38,207 INFO L279 CegarLoopForPetriNet]: 1656 programPoint places, -26 predicate places. [2025-02-06 09:29:38,207 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1696 transitions, 3402 flow [2025-02-06 09:29:38,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-02-06 09:29:38,208 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:38,208 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] [2025-02-06 09:29:38,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 09:29:38,209 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2025-02-06 09:29:38,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:38,209 INFO L85 PathProgramCache]: Analyzing trace with hash -943892554, now seen corresponding path program 1 times [2025-02-06 09:29:38,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:38,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929860349] [2025-02-06 09:29:38,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:38,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:38,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-06 09:29:38,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-06 09:29:38,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:38,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:38,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:38,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929860349] [2025-02-06 09:29:38,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929860349] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:38,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:38,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:29:38,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396551366] [2025-02-06 09:29:38,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:38,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:29:38,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:38,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:29:38,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:29:38,303 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1777 [2025-02-06 09:29:38,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1630 places, 1696 transitions, 3402 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2025-02-06 09:29:38,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:38,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1777 [2025-02-06 09:29:38,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand