./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:14:55,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:14:55,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:14:55,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:14:55,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:14:55,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:14:55,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:14:55,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:14:55,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:14:55,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:14:55,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:14:55,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:14:55,923 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:14:55,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:14:55,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:14:55,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:14:55,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:14:55,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:14:55,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:14:55,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:14:55,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:14:55,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:14:55,930 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:14:55,930 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:14:55,930 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:14:55,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:14:55,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:14:55,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:14:55,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:14:55,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:14:55,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:14:55,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:55,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:14:55,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:14:55,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:14:55,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:14:55,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:14:55,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:14:55,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:14:55,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:14:55,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:14:55,942 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac [2024-10-14 17:14:56,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:14:56,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:14:56,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:14:56,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:14:56,224 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:14:56,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-10-14 17:14:57,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:14:57,883 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:14:57,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-10-14 17:14:57,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c0c0b750/f354283d175d49d0ae649f22c80983f7/FLAG5787cc1c6 [2024-10-14 17:14:57,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c0c0b750/f354283d175d49d0ae649f22c80983f7 [2024-10-14 17:14:57,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:14:57,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:14:57,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:57,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:14:57,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:14:57,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:57" (1/1) ... [2024-10-14 17:14:57,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26634e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:57, skipping insertion in model container [2024-10-14 17:14:57,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:57" (1/1) ... [2024-10-14 17:14:57,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:14:58,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:58,266 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:14:58,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:58,346 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:14:58,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58 WrapperNode [2024-10-14 17:14:58,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:58,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:58,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:14:58,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:14:58,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,416 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 533 [2024-10-14 17:14:58,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:58,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:14:58,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:14:58,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:14:58,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:14:58,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:14:58,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:14:58,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:14:58,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (1/1) ... [2024-10-14 17:14:58,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:58,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:14:58,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 17:14:58,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 17:14:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:14:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:14:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:14:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:14:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:14:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-14 17:14:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-14 17:14:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:14:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:14:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:14:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:14:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:14:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:14:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:14:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:14:58,582 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:14:58,712 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:14:58,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:14:59,489 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:14:59,489 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:14:59,977 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:14:59,977 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-14 17:14:59,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:59 BoogieIcfgContainer [2024-10-14 17:14:59,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:14:59,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:14:59,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:14:59,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:14:59,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:14:57" (1/3) ... [2024-10-14 17:14:59,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60456b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:59, skipping insertion in model container [2024-10-14 17:14:59,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:58" (2/3) ... [2024-10-14 17:14:59,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60456b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:59, skipping insertion in model container [2024-10-14 17:14:59,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:59" (3/3) ... [2024-10-14 17:14:59,988 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2024-10-14 17:15:00,007 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:15:00,008 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-10-14 17:15:00,009 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:15:00,150 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-14 17:15:00,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 449 transitions, 919 flow [2024-10-14 17:15:00,338 INFO L124 PetriNetUnfolderBase]: 20/446 cut-off events. [2024-10-14 17:15:00,338 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:15:00,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 446 events. 20/446 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 840 event pairs, 0 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 353. Up to 3 conditions per place. [2024-10-14 17:15:00,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 449 transitions, 919 flow [2024-10-14 17:15:00,360 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 417 places, 425 transitions, 868 flow [2024-10-14 17:15:00,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:15:00,382 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;@34cebf77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:15:00,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 152 error locations. [2024-10-14 17:15:00,388 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:15:00,391 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-10-14 17:15:00,391 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:15:00,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:00,394 INFO L204 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] [2024-10-14 17:15:00,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:00,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:00,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1923691324, now seen corresponding path program 1 times [2024-10-14 17:15:00,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:00,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690504503] [2024-10-14 17:15:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:00,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:00,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:00,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690504503] [2024-10-14 17:15:00,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690504503] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:00,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:00,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:00,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861731112] [2024-10-14 17:15:00,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:00,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:00,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:00,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:00,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:00,719 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 449 [2024-10-14 17:15:00,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 425 transitions, 868 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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) [2024-10-14 17:15:00,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:00,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 449 [2024-10-14 17:15:00,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:01,081 INFO L124 PetriNetUnfolderBase]: 165/1467 cut-off events. [2024-10-14 17:15:01,082 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES. [2024-10-14 17:15:01,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1792 conditions, 1467 events. 165/1467 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9725 event pairs, 128 based on Foata normal form. 80/1293 useless extension candidates. Maximal degree in co-relation 1421. Up to 251 conditions per place. [2024-10-14 17:15:01,099 INFO L140 encePairwiseOnDemand]: 390/449 looper letters, 18 selfloop transitions, 2 changer transitions 5/368 dead transitions. [2024-10-14 17:15:01,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 368 transitions, 794 flow [2024-10-14 17:15:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1184 transitions. [2024-10-14 17:15:01,117 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8789903489235338 [2024-10-14 17:15:01,119 INFO L175 Difference]: Start difference. First operand has 417 places, 425 transitions, 868 flow. Second operand 3 states and 1184 transitions. [2024-10-14 17:15:01,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 368 transitions, 794 flow [2024-10-14 17:15:01,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 368 transitions, 782 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-14 17:15:01,131 INFO L231 Difference]: Finished difference. Result has 368 places, 363 transitions, 736 flow [2024-10-14 17:15:01,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=368, PETRI_TRANSITIONS=363} [2024-10-14 17:15:01,140 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -49 predicate places. [2024-10-14 17:15:01,141 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 363 transitions, 736 flow [2024-10-14 17:15:01,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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) [2024-10-14 17:15:01,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:01,143 INFO L204 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] [2024-10-14 17:15:01,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:15:01,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:01,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:01,144 INFO L85 PathProgramCache]: Analyzing trace with hash 987668710, now seen corresponding path program 1 times [2024-10-14 17:15:01,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:01,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430523323] [2024-10-14 17:15:01,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:01,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:01,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:01,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430523323] [2024-10-14 17:15:01,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430523323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:01,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:01,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:01,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679027958] [2024-10-14 17:15:01,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:01,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:01,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:01,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:01,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:01,260 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 449 [2024-10-14 17:15:01,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 363 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 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) [2024-10-14 17:15:01,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:01,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 449 [2024-10-14 17:15:01,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:01,482 INFO L124 PetriNetUnfolderBase]: 86/1145 cut-off events. [2024-10-14 17:15:01,483 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-10-14 17:15:01,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1299 conditions, 1145 events. 86/1145 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6193 event pairs, 51 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 1260. Up to 131 conditions per place. [2024-10-14 17:15:01,494 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 17 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-10-14 17:15:01,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 362 transitions, 772 flow [2024-10-14 17:15:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-10-14 17:15:01,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8389012620638456 [2024-10-14 17:15:01,498 INFO L175 Difference]: Start difference. First operand has 368 places, 363 transitions, 736 flow. Second operand 3 states and 1130 transitions. [2024-10-14 17:15:01,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 362 transitions, 772 flow [2024-10-14 17:15:01,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 362 transitions, 768 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:01,505 INFO L231 Difference]: Finished difference. Result has 362 places, 362 transitions, 734 flow [2024-10-14 17:15:01,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=362, PETRI_TRANSITIONS=362} [2024-10-14 17:15:01,507 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -55 predicate places. [2024-10-14 17:15:01,507 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 362 transitions, 734 flow [2024-10-14 17:15:01,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 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) [2024-10-14 17:15:01,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:01,509 INFO L204 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] [2024-10-14 17:15:01,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:15:01,509 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:01,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:01,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1309891628, now seen corresponding path program 1 times [2024-10-14 17:15:01,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:01,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859144005] [2024-10-14 17:15:01,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:01,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:01,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859144005] [2024-10-14 17:15:01,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859144005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:01,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:01,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:01,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706136045] [2024-10-14 17:15:01,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:01,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:01,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:01,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:01,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:01,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2024-10-14 17:15:01,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 362 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:01,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:01,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2024-10-14 17:15:01,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:01,746 INFO L124 PetriNetUnfolderBase]: 59/875 cut-off events. [2024-10-14 17:15:01,746 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-14 17:15:01,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 984 conditions, 875 events. 59/875 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4229 event pairs, 38 based on Foata normal form. 0/732 useless extension candidates. Maximal degree in co-relation 937. Up to 90 conditions per place. [2024-10-14 17:15:01,755 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 15 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2024-10-14 17:15:01,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 361 transitions, 766 flow [2024-10-14 17:15:01,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-10-14 17:15:01,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8418708240534521 [2024-10-14 17:15:01,759 INFO L175 Difference]: Start difference. First operand has 362 places, 362 transitions, 734 flow. Second operand 3 states and 1134 transitions. [2024-10-14 17:15:01,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 361 transitions, 766 flow [2024-10-14 17:15:01,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 361 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:01,766 INFO L231 Difference]: Finished difference. Result has 361 places, 361 transitions, 732 flow [2024-10-14 17:15:01,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=361, PETRI_TRANSITIONS=361} [2024-10-14 17:15:01,768 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -56 predicate places. [2024-10-14 17:15:01,768 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 361 transitions, 732 flow [2024-10-14 17:15:01,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:01,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:01,770 INFO L204 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] [2024-10-14 17:15:01,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:15:01,770 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:01,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:01,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1973999239, now seen corresponding path program 1 times [2024-10-14 17:15:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:01,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739648705] [2024-10-14 17:15:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:01,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739648705] [2024-10-14 17:15:01,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739648705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:01,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:01,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867210179] [2024-10-14 17:15:01,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:01,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:01,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:01,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:01,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:01,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2024-10-14 17:15:01,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 361 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:01,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:01,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2024-10-14 17:15:01,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:02,035 INFO L124 PetriNetUnfolderBase]: 59/874 cut-off events. [2024-10-14 17:15:02,035 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-14 17:15:02,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 874 events. 59/874 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4197 event pairs, 38 based on Foata normal form. 0/732 useless extension candidates. Maximal degree in co-relation 928. Up to 90 conditions per place. [2024-10-14 17:15:02,042 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 15 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-10-14 17:15:02,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 360 transitions, 764 flow [2024-10-14 17:15:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:02,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-10-14 17:15:02,046 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8418708240534521 [2024-10-14 17:15:02,047 INFO L175 Difference]: Start difference. First operand has 361 places, 361 transitions, 732 flow. Second operand 3 states and 1134 transitions. [2024-10-14 17:15:02,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 360 transitions, 764 flow [2024-10-14 17:15:02,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 360 transitions, 760 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:02,054 INFO L231 Difference]: Finished difference. Result has 360 places, 360 transitions, 730 flow [2024-10-14 17:15:02,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=360, PETRI_TRANSITIONS=360} [2024-10-14 17:15:02,055 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -57 predicate places. [2024-10-14 17:15:02,055 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 360 transitions, 730 flow [2024-10-14 17:15:02,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:02,056 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:02,056 INFO L204 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] [2024-10-14 17:15:02,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:15:02,057 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:02,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:02,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1151880117, now seen corresponding path program 1 times [2024-10-14 17:15:02,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:02,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815784170] [2024-10-14 17:15:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:02,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:02,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:02,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815784170] [2024-10-14 17:15:02,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815784170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:02,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:02,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:02,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956765850] [2024-10-14 17:15:02,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:02,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:02,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:02,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:02,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2024-10-14 17:15:02,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 360 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:02,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:02,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2024-10-14 17:15:02,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:02,286 INFO L124 PetriNetUnfolderBase]: 59/873 cut-off events. [2024-10-14 17:15:02,287 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-14 17:15:02,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 982 conditions, 873 events. 59/873 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4224 event pairs, 38 based on Foata normal form. 0/732 useless extension candidates. Maximal degree in co-relation 919. Up to 90 conditions per place. [2024-10-14 17:15:02,295 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 15 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2024-10-14 17:15:02,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 359 transitions, 762 flow [2024-10-14 17:15:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-10-14 17:15:02,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8418708240534521 [2024-10-14 17:15:02,299 INFO L175 Difference]: Start difference. First operand has 360 places, 360 transitions, 730 flow. Second operand 3 states and 1134 transitions. [2024-10-14 17:15:02,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 359 transitions, 762 flow [2024-10-14 17:15:02,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 359 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:02,305 INFO L231 Difference]: Finished difference. Result has 359 places, 359 transitions, 728 flow [2024-10-14 17:15:02,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=359, PETRI_TRANSITIONS=359} [2024-10-14 17:15:02,306 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -58 predicate places. [2024-10-14 17:15:02,306 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 359 transitions, 728 flow [2024-10-14 17:15:02,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:02,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:02,308 INFO L204 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] [2024-10-14 17:15:02,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:15:02,308 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:02,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:02,309 INFO L85 PathProgramCache]: Analyzing trace with hash 659892180, now seen corresponding path program 1 times [2024-10-14 17:15:02,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:02,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689644933] [2024-10-14 17:15:02,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:02,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:02,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689644933] [2024-10-14 17:15:02,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689644933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:02,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:02,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:02,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311758441] [2024-10-14 17:15:02,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:02,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:02,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:02,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:02,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:02,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 449 [2024-10-14 17:15:02,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 359 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:02,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:02,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 449 [2024-10-14 17:15:02,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:02,488 INFO L124 PetriNetUnfolderBase]: 56/796 cut-off events. [2024-10-14 17:15:02,488 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-14 17:15:02,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 796 events. 56/796 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3427 event pairs, 7 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 834. Up to 69 conditions per place. [2024-10-14 17:15:02,496 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 18 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2024-10-14 17:15:02,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 364 transitions, 780 flow [2024-10-14 17:15:02,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2024-10-14 17:15:02,499 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8530066815144766 [2024-10-14 17:15:02,499 INFO L175 Difference]: Start difference. First operand has 359 places, 359 transitions, 728 flow. Second operand 3 states and 1149 transitions. [2024-10-14 17:15:02,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 364 transitions, 780 flow [2024-10-14 17:15:02,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 364 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:02,522 INFO L231 Difference]: Finished difference. Result has 359 places, 359 transitions, 732 flow [2024-10-14 17:15:02,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=359, PETRI_TRANSITIONS=359} [2024-10-14 17:15:02,526 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -58 predicate places. [2024-10-14 17:15:02,526 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 359 transitions, 732 flow [2024-10-14 17:15:02,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:02,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:02,527 INFO L204 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] [2024-10-14 17:15:02,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:15:02,528 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:02,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:02,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1466747859, now seen corresponding path program 1 times [2024-10-14 17:15:02,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:02,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714244713] [2024-10-14 17:15:02,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:02,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:02,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:02,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714244713] [2024-10-14 17:15:02,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714244713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:02,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:02,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:02,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113166111] [2024-10-14 17:15:02,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:02,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:02,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:02,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:02,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:02,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:02,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 359 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:02,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:02,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:02,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:02,726 INFO L124 PetriNetUnfolderBase]: 59/877 cut-off events. [2024-10-14 17:15:02,726 INFO L125 PetriNetUnfolderBase]: For 31/32 co-relation queries the response was YES. [2024-10-14 17:15:02,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1021 conditions, 877 events. 59/877 cut-off events. For 31/32 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4309 event pairs, 38 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 385. Up to 92 conditions per place. [2024-10-14 17:15:02,737 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 15 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-10-14 17:15:02,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 358 transitions, 764 flow [2024-10-14 17:15:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:15:02,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433556050482554 [2024-10-14 17:15:02,740 INFO L175 Difference]: Start difference. First operand has 359 places, 359 transitions, 732 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:15:02,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 358 transitions, 764 flow [2024-10-14 17:15:02,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 358 transitions, 762 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:02,747 INFO L231 Difference]: Finished difference. Result has 359 places, 358 transitions, 732 flow [2024-10-14 17:15:02,747 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=359, PETRI_TRANSITIONS=358} [2024-10-14 17:15:02,748 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -58 predicate places. [2024-10-14 17:15:02,748 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 358 transitions, 732 flow [2024-10-14 17:15:02,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:02,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:02,749 INFO L204 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] [2024-10-14 17:15:02,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:15:02,750 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:02,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:02,750 INFO L85 PathProgramCache]: Analyzing trace with hash 190119616, now seen corresponding path program 1 times [2024-10-14 17:15:02,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:02,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519757496] [2024-10-14 17:15:02,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:02,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:02,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:02,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519757496] [2024-10-14 17:15:02,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519757496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:02,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:02,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:02,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629372112] [2024-10-14 17:15:02,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:02,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:02,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:02,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:02,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:02,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2024-10-14 17:15:02,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 358 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:02,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:02,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2024-10-14 17:15:02,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:02,932 INFO L124 PetriNetUnfolderBase]: 59/876 cut-off events. [2024-10-14 17:15:02,933 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-10-14 17:15:02,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 876 events. 59/876 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4306 event pairs, 38 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 932. Up to 93 conditions per place. [2024-10-14 17:15:02,941 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 16 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-10-14 17:15:02,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 357 transitions, 766 flow [2024-10-14 17:15:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-10-14 17:15:02,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8418708240534521 [2024-10-14 17:15:02,967 INFO L175 Difference]: Start difference. First operand has 359 places, 358 transitions, 732 flow. Second operand 3 states and 1134 transitions. [2024-10-14 17:15:02,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 357 transitions, 766 flow [2024-10-14 17:15:02,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 357 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:02,974 INFO L231 Difference]: Finished difference. Result has 358 places, 357 transitions, 730 flow [2024-10-14 17:15:02,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=358, PETRI_TRANSITIONS=357} [2024-10-14 17:15:02,975 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -59 predicate places. [2024-10-14 17:15:02,975 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 357 transitions, 730 flow [2024-10-14 17:15:02,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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) [2024-10-14 17:15:02,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:02,976 INFO L204 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] [2024-10-14 17:15:02,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:15:02,977 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:02,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:02,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1235829180, now seen corresponding path program 1 times [2024-10-14 17:15:02,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:02,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895575099] [2024-10-14 17:15:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:02,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:03,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:03,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895575099] [2024-10-14 17:15:03,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895575099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:03,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:03,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:03,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667870851] [2024-10-14 17:15:03,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:03,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:03,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:03,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:03,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:03,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 449 [2024-10-14 17:15:03,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 357 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:03,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:03,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 449 [2024-10-14 17:15:03,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:03,191 INFO L124 PetriNetUnfolderBase]: 66/972 cut-off events. [2024-10-14 17:15:03,191 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-10-14 17:15:03,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 972 events. 66/972 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4890 event pairs, 20 based on Foata normal form. 0/818 useless extension candidates. Maximal degree in co-relation 1030. Up to 54 conditions per place. [2024-10-14 17:15:03,200 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 21 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2024-10-14 17:15:03,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 364 transitions, 796 flow [2024-10-14 17:15:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2024-10-14 17:15:03,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8537490720118782 [2024-10-14 17:15:03,203 INFO L175 Difference]: Start difference. First operand has 358 places, 357 transitions, 730 flow. Second operand 3 states and 1150 transitions. [2024-10-14 17:15:03,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 364 transitions, 796 flow [2024-10-14 17:15:03,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 364 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:03,209 INFO L231 Difference]: Finished difference. Result has 358 places, 357 transitions, 734 flow [2024-10-14 17:15:03,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=358, PETRI_TRANSITIONS=357} [2024-10-14 17:15:03,210 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -59 predicate places. [2024-10-14 17:15:03,210 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 357 transitions, 734 flow [2024-10-14 17:15:03,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:03,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:03,211 INFO L204 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] [2024-10-14 17:15:03,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:15:03,212 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:03,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:03,212 INFO L85 PathProgramCache]: Analyzing trace with hash -297019749, now seen corresponding path program 1 times [2024-10-14 17:15:03,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:03,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194984476] [2024-10-14 17:15:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:03,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194984476] [2024-10-14 17:15:03,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194984476] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:03,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:03,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:03,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129322548] [2024-10-14 17:15:03,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:03,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:03,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:03,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:03,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:03,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:03,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 357 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:03,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:03,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:03,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:03,391 INFO L124 PetriNetUnfolderBase]: 66/893 cut-off events. [2024-10-14 17:15:03,391 INFO L125 PetriNetUnfolderBase]: For 57/58 co-relation queries the response was YES. [2024-10-14 17:15:03,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 893 events. 66/893 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4386 event pairs, 38 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 589. Up to 105 conditions per place. [2024-10-14 17:15:03,401 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 16 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-10-14 17:15:03,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 356 transitions, 768 flow [2024-10-14 17:15:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:15:03,405 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433556050482554 [2024-10-14 17:15:03,405 INFO L175 Difference]: Start difference. First operand has 358 places, 357 transitions, 734 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:15:03,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 356 transitions, 768 flow [2024-10-14 17:15:03,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 356 transitions, 766 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:03,411 INFO L231 Difference]: Finished difference. Result has 358 places, 356 transitions, 734 flow [2024-10-14 17:15:03,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=358, PETRI_TRANSITIONS=356} [2024-10-14 17:15:03,412 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -59 predicate places. [2024-10-14 17:15:03,412 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 356 transitions, 734 flow [2024-10-14 17:15:03,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:03,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:03,414 INFO L204 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] [2024-10-14 17:15:03,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:15:03,414 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:03,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:03,415 INFO L85 PathProgramCache]: Analyzing trace with hash -881236344, now seen corresponding path program 1 times [2024-10-14 17:15:03,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:03,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931726556] [2024-10-14 17:15:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:03,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:03,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:03,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931726556] [2024-10-14 17:15:03,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931726556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:03,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:03,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:03,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21458409] [2024-10-14 17:15:03,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:03,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:03,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:03,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:03,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:03,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 449 [2024-10-14 17:15:03,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 356 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:03,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:03,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 449 [2024-10-14 17:15:03,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:03,596 INFO L124 PetriNetUnfolderBase]: 66/892 cut-off events. [2024-10-14 17:15:03,596 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-10-14 17:15:03,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1066 conditions, 892 events. 66/892 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4389 event pairs, 38 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 969. Up to 103 conditions per place. [2024-10-14 17:15:03,604 INFO L140 encePairwiseOnDemand]: 447/449 looper letters, 15 selfloop transitions, 1 changer transitions 0/355 dead transitions. [2024-10-14 17:15:03,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 355 transitions, 764 flow [2024-10-14 17:15:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2024-10-14 17:15:03,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8485523385300668 [2024-10-14 17:15:03,607 INFO L175 Difference]: Start difference. First operand has 358 places, 356 transitions, 734 flow. Second operand 3 states and 1143 transitions. [2024-10-14 17:15:03,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 355 transitions, 764 flow [2024-10-14 17:15:03,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 355 transitions, 760 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:03,613 INFO L231 Difference]: Finished difference. Result has 357 places, 355 transitions, 730 flow [2024-10-14 17:15:03,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=357, PETRI_TRANSITIONS=355} [2024-10-14 17:15:03,614 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -60 predicate places. [2024-10-14 17:15:03,614 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 355 transitions, 730 flow [2024-10-14 17:15:03,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:03,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:03,615 INFO L204 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] [2024-10-14 17:15:03,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:15:03,616 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:03,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:03,616 INFO L85 PathProgramCache]: Analyzing trace with hash 597541853, now seen corresponding path program 1 times [2024-10-14 17:15:03,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:03,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433147446] [2024-10-14 17:15:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:03,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:03,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:03,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433147446] [2024-10-14 17:15:03,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433147446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:03,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:03,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:03,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854719749] [2024-10-14 17:15:03,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:03,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:03,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:03,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:03,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:03,709 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:03,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 355 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:03,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:03,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:03,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:03,878 INFO L124 PetriNetUnfolderBase]: 66/891 cut-off events. [2024-10-14 17:15:03,879 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-10-14 17:15:03,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1066 conditions, 891 events. 66/891 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4408 event pairs, 38 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 969. Up to 105 conditions per place. [2024-10-14 17:15:03,886 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 16 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2024-10-14 17:15:03,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 354 transitions, 764 flow [2024-10-14 17:15:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:03,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:03,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:15:03,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433556050482554 [2024-10-14 17:15:03,891 INFO L175 Difference]: Start difference. First operand has 357 places, 355 transitions, 730 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:15:03,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 354 transitions, 764 flow [2024-10-14 17:15:03,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 354 transitions, 763 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:03,898 INFO L231 Difference]: Finished difference. Result has 357 places, 354 transitions, 731 flow [2024-10-14 17:15:03,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=731, PETRI_PLACES=357, PETRI_TRANSITIONS=354} [2024-10-14 17:15:03,900 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -60 predicate places. [2024-10-14 17:15:03,900 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 354 transitions, 731 flow [2024-10-14 17:15:03,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:03,901 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:03,901 INFO L204 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] [2024-10-14 17:15:03,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:15:03,902 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:03,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash -639874363, now seen corresponding path program 1 times [2024-10-14 17:15:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831529560] [2024-10-14 17:15:03,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:03,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:04,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:04,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831529560] [2024-10-14 17:15:04,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831529560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:04,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:04,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:15:04,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821834629] [2024-10-14 17:15:04,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:04,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:15:04,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:04,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:15:04,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:15:04,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 449 [2024-10-14 17:15:04,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 354 transitions, 731 flow. Second operand has 6 states, 6 states have (on average 353.5) internal successors, (2121), 6 states have internal predecessors, (2121), 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) [2024-10-14 17:15:04,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:04,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 449 [2024-10-14 17:15:04,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:04,780 INFO L124 PetriNetUnfolderBase]: 66/889 cut-off events. [2024-10-14 17:15:04,781 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-10-14 17:15:04,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1087 conditions, 889 events. 66/889 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4400 event pairs, 38 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 991. Up to 118 conditions per place. [2024-10-14 17:15:04,789 INFO L140 encePairwiseOnDemand]: 437/449 looper letters, 29 selfloop transitions, 10 changer transitions 0/352 dead transitions. [2024-10-14 17:15:04,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 352 transitions, 805 flow [2024-10-14 17:15:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:15:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:15:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2151 transitions. [2024-10-14 17:15:04,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7984409799554566 [2024-10-14 17:15:04,793 INFO L175 Difference]: Start difference. First operand has 357 places, 354 transitions, 731 flow. Second operand 6 states and 2151 transitions. [2024-10-14 17:15:04,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 352 transitions, 805 flow [2024-10-14 17:15:04,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 352 transitions, 801 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:04,799 INFO L231 Difference]: Finished difference. Result has 358 places, 352 transitions, 743 flow [2024-10-14 17:15:04,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=743, PETRI_PLACES=358, PETRI_TRANSITIONS=352} [2024-10-14 17:15:04,801 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -59 predicate places. [2024-10-14 17:15:04,801 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 352 transitions, 743 flow [2024-10-14 17:15:04,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 353.5) internal successors, (2121), 6 states have internal predecessors, (2121), 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) [2024-10-14 17:15:04,802 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:04,803 INFO L204 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] [2024-10-14 17:15:04,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 17:15:04,803 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:04,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:04,803 INFO L85 PathProgramCache]: Analyzing trace with hash -666750534, now seen corresponding path program 1 times [2024-10-14 17:15:04,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:04,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565998179] [2024-10-14 17:15:04,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:04,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:04,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:04,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565998179] [2024-10-14 17:15:04,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565998179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:04,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:04,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:04,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10997313] [2024-10-14 17:15:04,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:04,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:04,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:04,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:04,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:04,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 449 [2024-10-14 17:15:04,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 352 transitions, 743 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:04,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:04,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 449 [2024-10-14 17:15:04,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:04,968 INFO L124 PetriNetUnfolderBase]: 66/888 cut-off events. [2024-10-14 17:15:04,968 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-10-14 17:15:04,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 888 events. 66/888 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4406 event pairs, 38 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 1036. Up to 103 conditions per place. [2024-10-14 17:15:04,983 INFO L140 encePairwiseOnDemand]: 447/449 looper letters, 15 selfloop transitions, 1 changer transitions 0/351 dead transitions. [2024-10-14 17:15:04,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 351 transitions, 773 flow [2024-10-14 17:15:04,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:04,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2024-10-14 17:15:04,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8485523385300668 [2024-10-14 17:15:04,994 INFO L175 Difference]: Start difference. First operand has 358 places, 352 transitions, 743 flow. Second operand 3 states and 1143 transitions. [2024-10-14 17:15:04,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 351 transitions, 773 flow [2024-10-14 17:15:04,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 351 transitions, 753 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:15:05,003 INFO L231 Difference]: Finished difference. Result has 354 places, 351 transitions, 723 flow [2024-10-14 17:15:05,004 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=354, PETRI_TRANSITIONS=351} [2024-10-14 17:15:05,004 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -63 predicate places. [2024-10-14 17:15:05,005 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 351 transitions, 723 flow [2024-10-14 17:15:05,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2024-10-14 17:15:05,006 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:05,006 INFO L204 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] [2024-10-14 17:15:05,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 17:15:05,006 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:05,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:05,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1277348424, now seen corresponding path program 1 times [2024-10-14 17:15:05,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:05,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329723186] [2024-10-14 17:15:05,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:05,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:05,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:05,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329723186] [2024-10-14 17:15:05,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329723186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:05,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:05,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:05,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733665855] [2024-10-14 17:15:05,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:05,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:05,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:05,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:05,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:05,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:05,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 351 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:05,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:05,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:05,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:05,219 INFO L124 PetriNetUnfolderBase]: 66/887 cut-off events. [2024-10-14 17:15:05,219 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-10-14 17:15:05,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1063 conditions, 887 events. 66/887 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4420 event pairs, 38 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 966. Up to 105 conditions per place. [2024-10-14 17:15:05,228 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 16 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2024-10-14 17:15:05,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 350 transitions, 757 flow [2024-10-14 17:15:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:15:05,231 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433556050482554 [2024-10-14 17:15:05,231 INFO L175 Difference]: Start difference. First operand has 354 places, 351 transitions, 723 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:15:05,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 350 transitions, 757 flow [2024-10-14 17:15:05,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 350 transitions, 756 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:05,237 INFO L231 Difference]: Finished difference. Result has 354 places, 350 transitions, 724 flow [2024-10-14 17:15:05,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=354, PETRI_TRANSITIONS=350} [2024-10-14 17:15:05,238 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -63 predicate places. [2024-10-14 17:15:05,238 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 350 transitions, 724 flow [2024-10-14 17:15:05,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:05,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:05,240 INFO L204 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] [2024-10-14 17:15:05,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 17:15:05,240 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:05,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:05,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1959199573, now seen corresponding path program 1 times [2024-10-14 17:15:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:05,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745937865] [2024-10-14 17:15:05,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:05,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:05,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:05,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745937865] [2024-10-14 17:15:05,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745937865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:05,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:05,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:05,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590532540] [2024-10-14 17:15:05,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:05,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:05,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:05,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:05,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:05,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 449 [2024-10-14 17:15:05,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 350 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 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) [2024-10-14 17:15:05,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:05,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 449 [2024-10-14 17:15:05,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:05,469 INFO L124 PetriNetUnfolderBase]: 113/1283 cut-off events. [2024-10-14 17:15:05,469 INFO L125 PetriNetUnfolderBase]: For 81/83 co-relation queries the response was YES. [2024-10-14 17:15:05,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 1283 events. 113/1283 cut-off events. For 81/83 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7608 event pairs, 64 based on Foata normal form. 1/1050 useless extension candidates. Maximal degree in co-relation 1462. Up to 171 conditions per place. [2024-10-14 17:15:05,482 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 17 selfloop transitions, 1 changer transitions 2/347 dead transitions. [2024-10-14 17:15:05,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 347 transitions, 756 flow [2024-10-14 17:15:05,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-10-14 17:15:05,486 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8389012620638456 [2024-10-14 17:15:05,486 INFO L175 Difference]: Start difference. First operand has 354 places, 350 transitions, 724 flow. Second operand 3 states and 1130 transitions. [2024-10-14 17:15:05,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 347 transitions, 756 flow [2024-10-14 17:15:05,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 347 transitions, 752 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:05,528 INFO L231 Difference]: Finished difference. Result has 351 places, 345 transitions, 712 flow [2024-10-14 17:15:05,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=712, PETRI_PLACES=351, PETRI_TRANSITIONS=345} [2024-10-14 17:15:05,530 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -66 predicate places. [2024-10-14 17:15:05,530 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 345 transitions, 712 flow [2024-10-14 17:15:05,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 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) [2024-10-14 17:15:05,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:05,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:05,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:15:05,531 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:05,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:05,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1153718697, now seen corresponding path program 1 times [2024-10-14 17:15:05,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:05,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292375702] [2024-10-14 17:15:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:05,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:05,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292375702] [2024-10-14 17:15:05,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292375702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:05,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:05,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:05,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163155056] [2024-10-14 17:15:05,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:05,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:05,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:05,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:05,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:05,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 449 [2024-10-14 17:15:05,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 345 transitions, 712 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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) [2024-10-14 17:15:05,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:05,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 449 [2024-10-14 17:15:05,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:05,831 INFO L124 PetriNetUnfolderBase]: 198/1448 cut-off events. [2024-10-14 17:15:05,831 INFO L125 PetriNetUnfolderBase]: For 128/129 co-relation queries the response was YES. [2024-10-14 17:15:05,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1912 conditions, 1448 events. 198/1448 cut-off events. For 128/129 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 9452 event pairs, 64 based on Foata normal form. 0/1191 useless extension candidates. Maximal degree in co-relation 1816. Up to 178 conditions per place. [2024-10-14 17:15:05,844 INFO L140 encePairwiseOnDemand]: 440/449 looper letters, 25 selfloop transitions, 5 changer transitions 0/348 dead transitions. [2024-10-14 17:15:05,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 348 transitions, 788 flow [2024-10-14 17:15:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-10-14 17:15:05,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8374164810690423 [2024-10-14 17:15:05,848 INFO L175 Difference]: Start difference. First operand has 351 places, 345 transitions, 712 flow. Second operand 3 states and 1128 transitions. [2024-10-14 17:15:05,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 348 transitions, 788 flow [2024-10-14 17:15:05,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 348 transitions, 787 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:05,853 INFO L231 Difference]: Finished difference. Result has 346 places, 341 transitions, 713 flow [2024-10-14 17:15:05,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=346, PETRI_TRANSITIONS=341} [2024-10-14 17:15:05,854 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -71 predicate places. [2024-10-14 17:15:05,854 INFO L471 AbstractCegarLoop]: Abstraction has has 346 places, 341 transitions, 713 flow [2024-10-14 17:15:05,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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) [2024-10-14 17:15:05,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:05,855 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:05,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 17:15:05,856 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:05,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:05,856 INFO L85 PathProgramCache]: Analyzing trace with hash 622162764, now seen corresponding path program 1 times [2024-10-14 17:15:05,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:05,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941161331] [2024-10-14 17:15:05,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:05,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:05,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:05,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941161331] [2024-10-14 17:15:05,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941161331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:05,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:05,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:05,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263380906] [2024-10-14 17:15:05,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:05,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:05,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:05,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:05,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:05,928 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 449 [2024-10-14 17:15:05,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 341 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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) [2024-10-14 17:15:05,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:05,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 449 [2024-10-14 17:15:05,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:06,355 INFO L124 PetriNetUnfolderBase]: 490/2395 cut-off events. [2024-10-14 17:15:06,355 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2024-10-14 17:15:06,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3410 conditions, 2395 events. 490/2395 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 18240 event pairs, 104 based on Foata normal form. 0/2088 useless extension candidates. Maximal degree in co-relation 3313. Up to 661 conditions per place. [2024-10-14 17:15:06,375 INFO L140 encePairwiseOnDemand]: 441/449 looper letters, 29 selfloop transitions, 4 changer transitions 0/348 dead transitions. [2024-10-14 17:15:06,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 348 transitions, 799 flow [2024-10-14 17:15:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:15:06,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433556050482554 [2024-10-14 17:15:06,378 INFO L175 Difference]: Start difference. First operand has 346 places, 341 transitions, 713 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:15:06,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 348 transitions, 799 flow [2024-10-14 17:15:06,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 348 transitions, 789 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:06,384 INFO L231 Difference]: Finished difference. Result has 343 places, 341 transitions, 723 flow [2024-10-14 17:15:06,385 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=343, PETRI_TRANSITIONS=341} [2024-10-14 17:15:06,385 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -74 predicate places. [2024-10-14 17:15:06,385 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 341 transitions, 723 flow [2024-10-14 17:15:06,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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) [2024-10-14 17:15:06,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:06,386 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:06,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 17:15:06,386 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:06,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:06,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1265898742, now seen corresponding path program 1 times [2024-10-14 17:15:06,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:06,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212752120] [2024-10-14 17:15:06,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:06,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:06,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:06,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212752120] [2024-10-14 17:15:06,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212752120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:06,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:06,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:06,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091179494] [2024-10-14 17:15:06,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:06,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:06,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:06,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:06,445 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:06,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 341 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 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) [2024-10-14 17:15:06,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:06,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:06,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:06,773 INFO L124 PetriNetUnfolderBase]: 454/2016 cut-off events. [2024-10-14 17:15:06,773 INFO L125 PetriNetUnfolderBase]: For 214/215 co-relation queries the response was YES. [2024-10-14 17:15:06,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 2016 events. 454/2016 cut-off events. For 214/215 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 14786 event pairs, 172 based on Foata normal form. 0/1698 useless extension candidates. Maximal degree in co-relation 2892. Up to 504 conditions per place. [2024-10-14 17:15:06,793 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 23 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2024-10-14 17:15:06,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 346 transitions, 789 flow [2024-10-14 17:15:06,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1142 transitions. [2024-10-14 17:15:06,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8478099480326652 [2024-10-14 17:15:06,797 INFO L175 Difference]: Start difference. First operand has 343 places, 341 transitions, 723 flow. Second operand 3 states and 1142 transitions. [2024-10-14 17:15:06,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 346 transitions, 789 flow [2024-10-14 17:15:06,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 346 transitions, 789 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:15:06,801 INFO L231 Difference]: Finished difference. Result has 344 places, 340 transitions, 725 flow [2024-10-14 17:15:06,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=344, PETRI_TRANSITIONS=340} [2024-10-14 17:15:06,802 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -73 predicate places. [2024-10-14 17:15:06,803 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 340 transitions, 725 flow [2024-10-14 17:15:06,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 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) [2024-10-14 17:15:06,803 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:06,803 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:06,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 17:15:06,804 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:06,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:06,804 INFO L85 PathProgramCache]: Analyzing trace with hash -291596687, now seen corresponding path program 1 times [2024-10-14 17:15:06,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:06,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302081836] [2024-10-14 17:15:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:06,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:06,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:06,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302081836] [2024-10-14 17:15:06,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302081836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:06,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:06,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:06,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981577908] [2024-10-14 17:15:06,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:06,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:06,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:06,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:06,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:06,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 449 [2024-10-14 17:15:06,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 340 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-10-14 17:15:06,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:06,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 449 [2024-10-14 17:15:06,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:07,278 INFO L124 PetriNetUnfolderBase]: 383/2509 cut-off events. [2024-10-14 17:15:07,279 INFO L125 PetriNetUnfolderBase]: For 214/217 co-relation queries the response was YES. [2024-10-14 17:15:07,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3438 conditions, 2509 events. 383/2509 cut-off events. For 214/217 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 20052 event pairs, 165 based on Foata normal form. 0/2095 useless extension candidates. Maximal degree in co-relation 3341. Up to 414 conditions per place. [2024-10-14 17:15:07,300 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2024-10-14 17:15:07,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 346 transitions, 805 flow [2024-10-14 17:15:07,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:15:07,303 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433556050482554 [2024-10-14 17:15:07,303 INFO L175 Difference]: Start difference. First operand has 344 places, 340 transitions, 725 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:15:07,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 346 transitions, 805 flow [2024-10-14 17:15:07,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 346 transitions, 801 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:07,309 INFO L231 Difference]: Finished difference. Result has 343 places, 339 transitions, 723 flow [2024-10-14 17:15:07,309 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=343, PETRI_TRANSITIONS=339} [2024-10-14 17:15:07,310 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -74 predicate places. [2024-10-14 17:15:07,310 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 339 transitions, 723 flow [2024-10-14 17:15:07,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-10-14 17:15:07,310 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:07,311 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:07,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 17:15:07,311 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:07,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:07,311 INFO L85 PathProgramCache]: Analyzing trace with hash 389578159, now seen corresponding path program 1 times [2024-10-14 17:15:07,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:07,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972966469] [2024-10-14 17:15:07,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:07,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:07,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:07,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972966469] [2024-10-14 17:15:07,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972966469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:07,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:07,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:07,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273776786] [2024-10-14 17:15:07,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:07,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:07,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:07,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:07,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:07,388 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 449 [2024-10-14 17:15:07,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 339 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-10-14 17:15:07,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:07,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 449 [2024-10-14 17:15:07,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:07,764 INFO L124 PetriNetUnfolderBase]: 368/2591 cut-off events. [2024-10-14 17:15:07,764 INFO L125 PetriNetUnfolderBase]: For 219/220 co-relation queries the response was YES. [2024-10-14 17:15:07,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3510 conditions, 2591 events. 368/2591 cut-off events. For 219/220 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 21422 event pairs, 168 based on Foata normal form. 0/2178 useless extension candidates. Maximal degree in co-relation 3413. Up to 407 conditions per place. [2024-10-14 17:15:07,784 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2024-10-14 17:15:07,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 345 transitions, 803 flow [2024-10-14 17:15:07,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:07,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:15:07,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433556050482554 [2024-10-14 17:15:07,787 INFO L175 Difference]: Start difference. First operand has 343 places, 339 transitions, 723 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:15:07,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 345 transitions, 803 flow [2024-10-14 17:15:07,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 345 transitions, 799 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:07,793 INFO L231 Difference]: Finished difference. Result has 342 places, 338 transitions, 721 flow [2024-10-14 17:15:07,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=342, PETRI_TRANSITIONS=338} [2024-10-14 17:15:07,794 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -75 predicate places. [2024-10-14 17:15:07,794 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 338 transitions, 721 flow [2024-10-14 17:15:07,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 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) [2024-10-14 17:15:07,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:07,795 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:07,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 17:15:07,795 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:07,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1566511871, now seen corresponding path program 1 times [2024-10-14 17:15:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:07,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590323163] [2024-10-14 17:15:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:07,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:07,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590323163] [2024-10-14 17:15:07,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590323163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:07,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:07,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:07,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387054626] [2024-10-14 17:15:07,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:07,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:07,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:07,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:07,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:07,860 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2024-10-14 17:15:07,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 338 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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) [2024-10-14 17:15:07,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:07,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2024-10-14 17:15:07,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:08,298 INFO L124 PetriNetUnfolderBase]: 519/2300 cut-off events. [2024-10-14 17:15:08,298 INFO L125 PetriNetUnfolderBase]: For 233/266 co-relation queries the response was YES. [2024-10-14 17:15:08,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3345 conditions, 2300 events. 519/2300 cut-off events. For 233/266 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 17616 event pairs, 218 based on Foata normal form. 0/1976 useless extension candidates. Maximal degree in co-relation 3248. Up to 562 conditions per place. [2024-10-14 17:15:08,318 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 25 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2024-10-14 17:15:08,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 344 transitions, 793 flow [2024-10-14 17:15:08,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1141 transitions. [2024-10-14 17:15:08,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8470675575352635 [2024-10-14 17:15:08,322 INFO L175 Difference]: Start difference. First operand has 342 places, 338 transitions, 721 flow. Second operand 3 states and 1141 transitions. [2024-10-14 17:15:08,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 344 transitions, 793 flow [2024-10-14 17:15:08,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 344 transitions, 789 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:08,328 INFO L231 Difference]: Finished difference. Result has 341 places, 337 transitions, 719 flow [2024-10-14 17:15:08,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=341, PETRI_TRANSITIONS=337} [2024-10-14 17:15:08,329 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -76 predicate places. [2024-10-14 17:15:08,329 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 337 transitions, 719 flow [2024-10-14 17:15:08,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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) [2024-10-14 17:15:08,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:08,330 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:08,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 17:15:08,330 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:08,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:08,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1008341059, now seen corresponding path program 1 times [2024-10-14 17:15:08,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:08,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719928451] [2024-10-14 17:15:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:08,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:08,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:08,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719928451] [2024-10-14 17:15:08,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719928451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:08,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:08,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:08,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567556022] [2024-10-14 17:15:08,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:08,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:08,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:08,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:08,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:08,409 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 449 [2024-10-14 17:15:08,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 337 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2024-10-14 17:15:08,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:08,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 449 [2024-10-14 17:15:08,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:08,791 INFO L124 PetriNetUnfolderBase]: 385/1707 cut-off events. [2024-10-14 17:15:08,791 INFO L125 PetriNetUnfolderBase]: For 184/185 co-relation queries the response was YES. [2024-10-14 17:15:08,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2546 conditions, 1707 events. 385/1707 cut-off events. For 184/185 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 11398 event pairs, 137 based on Foata normal form. 0/1504 useless extension candidates. Maximal degree in co-relation 2449. Up to 362 conditions per place. [2024-10-14 17:15:08,808 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 21 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2024-10-14 17:15:08,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 342 transitions, 781 flow [2024-10-14 17:15:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2024-10-14 17:15:08,812 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8507795100222717 [2024-10-14 17:15:08,812 INFO L175 Difference]: Start difference. First operand has 341 places, 337 transitions, 719 flow. Second operand 3 states and 1146 transitions. [2024-10-14 17:15:08,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 342 transitions, 781 flow [2024-10-14 17:15:08,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 342 transitions, 777 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:08,817 INFO L231 Difference]: Finished difference. Result has 340 places, 336 transitions, 717 flow [2024-10-14 17:15:08,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=717, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2024-10-14 17:15:08,818 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -77 predicate places. [2024-10-14 17:15:08,819 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 717 flow [2024-10-14 17:15:08,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2024-10-14 17:15:08,819 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:08,819 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:08,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 17:15:08,820 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:08,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:08,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2019176314, now seen corresponding path program 1 times [2024-10-14 17:15:08,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:08,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783596044] [2024-10-14 17:15:08,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:08,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:08,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:08,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783596044] [2024-10-14 17:15:08,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783596044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:08,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:08,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:08,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769436409] [2024-10-14 17:15:08,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:08,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:08,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:08,898 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:08,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 717 flow. Second operand has 3 states, 3 states have (on average 376.0) internal successors, (1128), 3 states have internal predecessors, (1128), 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) [2024-10-14 17:15:08,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:08,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:08,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:09,220 INFO L124 PetriNetUnfolderBase]: 487/1784 cut-off events. [2024-10-14 17:15:09,221 INFO L125 PetriNetUnfolderBase]: For 224/225 co-relation queries the response was YES. [2024-10-14 17:15:09,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 1784 events. 487/1784 cut-off events. For 224/225 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 11755 event pairs, 199 based on Foata normal form. 0/1596 useless extension candidates. Maximal degree in co-relation 2768. Up to 516 conditions per place. [2024-10-14 17:15:09,236 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 23 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-10-14 17:15:09,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 341 transitions, 783 flow [2024-10-14 17:15:09,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1142 transitions. [2024-10-14 17:15:09,239 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8478099480326652 [2024-10-14 17:15:09,239 INFO L175 Difference]: Start difference. First operand has 340 places, 336 transitions, 717 flow. Second operand 3 states and 1142 transitions. [2024-10-14 17:15:09,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 341 transitions, 783 flow [2024-10-14 17:15:09,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 341 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:09,244 INFO L231 Difference]: Finished difference. Result has 339 places, 335 transitions, 715 flow [2024-10-14 17:15:09,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=715, PETRI_PLACES=339, PETRI_TRANSITIONS=335} [2024-10-14 17:15:09,245 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -78 predicate places. [2024-10-14 17:15:09,245 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 335 transitions, 715 flow [2024-10-14 17:15:09,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 376.0) internal successors, (1128), 3 states have internal predecessors, (1128), 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) [2024-10-14 17:15:09,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:09,246 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:09,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 17:15:09,246 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:09,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:09,247 INFO L85 PathProgramCache]: Analyzing trace with hash -633796255, now seen corresponding path program 1 times [2024-10-14 17:15:09,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:09,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997562735] [2024-10-14 17:15:09,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:09,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:09,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:09,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997562735] [2024-10-14 17:15:09,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997562735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:09,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:09,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:09,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118631251] [2024-10-14 17:15:09,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:09,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:09,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:09,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:09,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:09,318 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2024-10-14 17:15:09,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 335 transitions, 715 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:09,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:09,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2024-10-14 17:15:09,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:09,638 INFO L124 PetriNetUnfolderBase]: 414/2134 cut-off events. [2024-10-14 17:15:09,638 INFO L125 PetriNetUnfolderBase]: For 186/191 co-relation queries the response was YES. [2024-10-14 17:15:09,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 2134 events. 414/2134 cut-off events. For 186/191 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 16415 event pairs, 148 based on Foata normal form. 1/1909 useless extension candidates. Maximal degree in co-relation 2951. Up to 379 conditions per place. [2024-10-14 17:15:09,658 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 22 selfloop transitions, 2 changer transitions 6/340 dead transitions. [2024-10-14 17:15:09,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 340 transitions, 781 flow [2024-10-14 17:15:09,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1140 transitions. [2024-10-14 17:15:09,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8463251670378619 [2024-10-14 17:15:09,662 INFO L175 Difference]: Start difference. First operand has 339 places, 335 transitions, 715 flow. Second operand 3 states and 1140 transitions. [2024-10-14 17:15:09,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 340 transitions, 781 flow [2024-10-14 17:15:09,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 340 transitions, 777 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:09,668 INFO L231 Difference]: Finished difference. Result has 337 places, 327 transitions, 699 flow [2024-10-14 17:15:09,669 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=699, PETRI_PLACES=337, PETRI_TRANSITIONS=327} [2024-10-14 17:15:09,669 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -80 predicate places. [2024-10-14 17:15:09,669 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 327 transitions, 699 flow [2024-10-14 17:15:09,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:15:09,670 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:09,670 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:09,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 17:15:09,671 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:09,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:09,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2032216472, now seen corresponding path program 1 times [2024-10-14 17:15:09,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:09,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120204490] [2024-10-14 17:15:09,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:09,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:09,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:09,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120204490] [2024-10-14 17:15:09,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120204490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:09,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:09,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:09,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084749996] [2024-10-14 17:15:09,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:09,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:09,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:09,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:09,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:09,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:09,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 327 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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) [2024-10-14 17:15:09,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:09,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:09,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:10,015 INFO L124 PetriNetUnfolderBase]: 322/1639 cut-off events. [2024-10-14 17:15:10,015 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-10-14 17:15:10,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2382 conditions, 1639 events. 322/1639 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 11270 event pairs, 98 based on Foata normal form. 0/1506 useless extension candidates. Maximal degree in co-relation 2285. Up to 265 conditions per place. [2024-10-14 17:15:10,030 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 21 selfloop transitions, 3 changer transitions 0/331 dead transitions. [2024-10-14 17:15:10,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 331 transitions, 761 flow [2024-10-14 17:15:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1142 transitions. [2024-10-14 17:15:10,033 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8478099480326652 [2024-10-14 17:15:10,033 INFO L175 Difference]: Start difference. First operand has 337 places, 327 transitions, 699 flow. Second operand 3 states and 1142 transitions. [2024-10-14 17:15:10,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 331 transitions, 761 flow [2024-10-14 17:15:10,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 331 transitions, 757 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:10,038 INFO L231 Difference]: Finished difference. Result has 330 places, 325 transitions, 697 flow [2024-10-14 17:15:10,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=330, PETRI_TRANSITIONS=325} [2024-10-14 17:15:10,039 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -87 predicate places. [2024-10-14 17:15:10,039 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 325 transitions, 697 flow [2024-10-14 17:15:10,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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) [2024-10-14 17:15:10,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:10,043 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:10,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 17:15:10,044 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:10,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:10,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1654841756, now seen corresponding path program 1 times [2024-10-14 17:15:10,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:10,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031904622] [2024-10-14 17:15:10,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:10,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:10,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:10,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031904622] [2024-10-14 17:15:10,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031904622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:10,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:10,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:10,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747734440] [2024-10-14 17:15:10,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:10,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:10,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:10,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:10,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:10,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2024-10-14 17:15:10,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 325 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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) [2024-10-14 17:15:10,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:10,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2024-10-14 17:15:10,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:10,476 INFO L124 PetriNetUnfolderBase]: 523/2179 cut-off events. [2024-10-14 17:15:10,477 INFO L125 PetriNetUnfolderBase]: For 230/237 co-relation queries the response was YES. [2024-10-14 17:15:10,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3281 conditions, 2179 events. 523/2179 cut-off events. For 230/237 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 16487 event pairs, 216 based on Foata normal form. 0/2000 useless extension candidates. Maximal degree in co-relation 3184. Up to 545 conditions per place. [2024-10-14 17:15:10,496 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 24 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2024-10-14 17:15:10,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 331 transitions, 767 flow [2024-10-14 17:15:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1140 transitions. [2024-10-14 17:15:10,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8463251670378619 [2024-10-14 17:15:10,500 INFO L175 Difference]: Start difference. First operand has 330 places, 325 transitions, 697 flow. Second operand 3 states and 1140 transitions. [2024-10-14 17:15:10,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 331 transitions, 767 flow [2024-10-14 17:15:10,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 331 transitions, 761 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:10,505 INFO L231 Difference]: Finished difference. Result has 329 places, 324 transitions, 693 flow [2024-10-14 17:15:10,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=329, PETRI_TRANSITIONS=324} [2024-10-14 17:15:10,506 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -88 predicate places. [2024-10-14 17:15:10,506 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 324 transitions, 693 flow [2024-10-14 17:15:10,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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) [2024-10-14 17:15:10,507 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:10,507 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:10,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 17:15:10,508 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:10,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1754243767, now seen corresponding path program 1 times [2024-10-14 17:15:10,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:10,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746970510] [2024-10-14 17:15:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:10,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:10,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:10,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746970510] [2024-10-14 17:15:10,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746970510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:10,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:10,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:10,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596276631] [2024-10-14 17:15:10,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:10,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:10,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:10,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:10,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:10,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:10,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 324 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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) [2024-10-14 17:15:10,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:10,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:10,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:10,851 INFO L124 PetriNetUnfolderBase]: 353/1762 cut-off events. [2024-10-14 17:15:10,851 INFO L125 PetriNetUnfolderBase]: For 166/170 co-relation queries the response was YES. [2024-10-14 17:15:10,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2544 conditions, 1762 events. 353/1762 cut-off events. For 166/170 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 12177 event pairs, 106 based on Foata normal form. 1/1656 useless extension candidates. Maximal degree in co-relation 2447. Up to 286 conditions per place. [2024-10-14 17:15:10,863 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 20 selfloop transitions, 2 changer transitions 10/329 dead transitions. [2024-10-14 17:15:10,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 329 transitions, 757 flow [2024-10-14 17:15:10,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1142 transitions. [2024-10-14 17:15:10,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8478099480326652 [2024-10-14 17:15:10,866 INFO L175 Difference]: Start difference. First operand has 329 places, 324 transitions, 693 flow. Second operand 3 states and 1142 transitions. [2024-10-14 17:15:10,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 329 transitions, 757 flow [2024-10-14 17:15:10,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 329 transitions, 753 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:10,872 INFO L231 Difference]: Finished difference. Result has 327 places, 312 transitions, 668 flow [2024-10-14 17:15:10,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=327, PETRI_TRANSITIONS=312} [2024-10-14 17:15:10,872 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -90 predicate places. [2024-10-14 17:15:10,873 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 312 transitions, 668 flow [2024-10-14 17:15:10,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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) [2024-10-14 17:15:10,873 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:10,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:10,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 17:15:10,874 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:10,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1835264861, now seen corresponding path program 1 times [2024-10-14 17:15:10,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:10,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038564374] [2024-10-14 17:15:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:10,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:10,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:10,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038564374] [2024-10-14 17:15:10,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038564374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:10,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:10,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:10,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050669297] [2024-10-14 17:15:10,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:10,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:10,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:10,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:10,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:10,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:10,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 312 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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) [2024-10-14 17:15:10,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:10,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:10,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:11,201 INFO L124 PetriNetUnfolderBase]: 364/1635 cut-off events. [2024-10-14 17:15:11,201 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-10-14 17:15:11,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2472 conditions, 1635 events. 364/1635 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 10927 event pairs, 147 based on Foata normal form. 0/1531 useless extension candidates. Maximal degree in co-relation 2375. Up to 397 conditions per place. [2024-10-14 17:15:11,212 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 21 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2024-10-14 17:15:11,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 317 transitions, 730 flow [2024-10-14 17:15:11,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1140 transitions. [2024-10-14 17:15:11,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8463251670378619 [2024-10-14 17:15:11,215 INFO L175 Difference]: Start difference. First operand has 327 places, 312 transitions, 668 flow. Second operand 3 states and 1140 transitions. [2024-10-14 17:15:11,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 317 transitions, 730 flow [2024-10-14 17:15:11,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:11,221 INFO L231 Difference]: Finished difference. Result has 316 places, 311 transitions, 666 flow [2024-10-14 17:15:11,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=316, PETRI_TRANSITIONS=311} [2024-10-14 17:15:11,222 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -101 predicate places. [2024-10-14 17:15:11,222 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 311 transitions, 666 flow [2024-10-14 17:15:11,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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) [2024-10-14 17:15:11,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:11,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:11,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 17:15:11,223 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-10-14 17:15:11,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash 407896046, now seen corresponding path program 1 times [2024-10-14 17:15:11,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:11,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867194941] [2024-10-14 17:15:11,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:11,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:11,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867194941] [2024-10-14 17:15:11,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867194941] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:11,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:11,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:11,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083087710] [2024-10-14 17:15:11,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:11,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:11,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:11,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 449 [2024-10-14 17:15:11,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 311 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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) [2024-10-14 17:15:11,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:11,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 449 [2024-10-14 17:15:11,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:11,637 INFO L124 PetriNetUnfolderBase]: 415/1915 cut-off events. [2024-10-14 17:15:11,637 INFO L125 PetriNetUnfolderBase]: For 200/208 co-relation queries the response was YES. [2024-10-14 17:15:11,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2835 conditions, 1915 events. 415/1915 cut-off events. For 200/208 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 13540 event pairs, 166 based on Foata normal form. 0/1808 useless extension candidates. Maximal degree in co-relation 2738. Up to 440 conditions per place. [2024-10-14 17:15:11,644 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 0 selfloop transitions, 0 changer transitions 317/317 dead transitions. [2024-10-14 17:15:11,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 317 transitions, 732 flow [2024-10-14 17:15:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1141 transitions. [2024-10-14 17:15:11,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8470675575352635 [2024-10-14 17:15:11,648 INFO L175 Difference]: Start difference. First operand has 316 places, 311 transitions, 666 flow. Second operand 3 states and 1141 transitions. [2024-10-14 17:15:11,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 317 transitions, 732 flow [2024-10-14 17:15:11,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 317 transitions, 728 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:11,653 INFO L231 Difference]: Finished difference. Result has 315 places, 0 transitions, 0 flow [2024-10-14 17:15:11,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=315, PETRI_TRANSITIONS=0} [2024-10-14 17:15:11,654 INFO L277 CegarLoopForPetriNet]: 417 programPoint places, -102 predicate places. [2024-10-14 17:15:11,654 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 0 transitions, 0 flow [2024-10-14 17:15:11,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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) [2024-10-14 17:15:11,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (151 of 152 remaining) [2024-10-14 17:15:11,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (150 of 152 remaining) [2024-10-14 17:15:11,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (149 of 152 remaining) [2024-10-14 17:15:11,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (148 of 152 remaining) [2024-10-14 17:15:11,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (147 of 152 remaining) [2024-10-14 17:15:11,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (146 of 152 remaining) [2024-10-14 17:15:11,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (145 of 152 remaining) [2024-10-14 17:15:11,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (144 of 152 remaining) [2024-10-14 17:15:11,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (143 of 152 remaining) [2024-10-14 17:15:11,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (142 of 152 remaining) [2024-10-14 17:15:11,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (141 of 152 remaining) [2024-10-14 17:15:11,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (140 of 152 remaining) [2024-10-14 17:15:11,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (139 of 152 remaining) [2024-10-14 17:15:11,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (138 of 152 remaining) [2024-10-14 17:15:11,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (137 of 152 remaining) [2024-10-14 17:15:11,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (136 of 152 remaining) [2024-10-14 17:15:11,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (135 of 152 remaining) [2024-10-14 17:15:11,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (134 of 152 remaining) [2024-10-14 17:15:11,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (133 of 152 remaining) [2024-10-14 17:15:11,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (132 of 152 remaining) [2024-10-14 17:15:11,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (131 of 152 remaining) [2024-10-14 17:15:11,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (130 of 152 remaining) [2024-10-14 17:15:11,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (129 of 152 remaining) [2024-10-14 17:15:11,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (128 of 152 remaining) [2024-10-14 17:15:11,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (127 of 152 remaining) [2024-10-14 17:15:11,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (126 of 152 remaining) [2024-10-14 17:15:11,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (125 of 152 remaining) [2024-10-14 17:15:11,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (124 of 152 remaining) [2024-10-14 17:15:11,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (123 of 152 remaining) [2024-10-14 17:15:11,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (122 of 152 remaining) [2024-10-14 17:15:11,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (121 of 152 remaining) [2024-10-14 17:15:11,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (120 of 152 remaining) [2024-10-14 17:15:11,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (119 of 152 remaining) [2024-10-14 17:15:11,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (118 of 152 remaining) [2024-10-14 17:15:11,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (117 of 152 remaining) [2024-10-14 17:15:11,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (116 of 152 remaining) [2024-10-14 17:15:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (115 of 152 remaining) [2024-10-14 17:15:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (114 of 152 remaining) [2024-10-14 17:15:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (113 of 152 remaining) [2024-10-14 17:15:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (112 of 152 remaining) [2024-10-14 17:15:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (111 of 152 remaining) [2024-10-14 17:15:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (110 of 152 remaining) [2024-10-14 17:15:11,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (109 of 152 remaining) [2024-10-14 17:15:11,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (108 of 152 remaining) [2024-10-14 17:15:11,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (107 of 152 remaining) [2024-10-14 17:15:11,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (106 of 152 remaining) [2024-10-14 17:15:11,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (105 of 152 remaining) [2024-10-14 17:15:11,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (104 of 152 remaining) [2024-10-14 17:15:11,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (103 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (102 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (101 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (100 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (99 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (98 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (97 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (96 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (95 of 152 remaining) [2024-10-14 17:15:11,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (94 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (93 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (92 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (91 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (90 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (89 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (88 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (87 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (86 of 152 remaining) [2024-10-14 17:15:11,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (85 of 152 remaining) [2024-10-14 17:15:11,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (84 of 152 remaining) [2024-10-14 17:15:11,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (83 of 152 remaining) [2024-10-14 17:15:11,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (82 of 152 remaining) [2024-10-14 17:15:11,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (81 of 152 remaining) [2024-10-14 17:15:11,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (80 of 152 remaining) [2024-10-14 17:15:11,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (79 of 152 remaining) [2024-10-14 17:15:11,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (78 of 152 remaining) [2024-10-14 17:15:11,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (77 of 152 remaining) [2024-10-14 17:15:11,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (76 of 152 remaining) [2024-10-14 17:15:11,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (75 of 152 remaining) [2024-10-14 17:15:11,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (74 of 152 remaining) [2024-10-14 17:15:11,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (73 of 152 remaining) [2024-10-14 17:15:11,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (72 of 152 remaining) [2024-10-14 17:15:11,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (71 of 152 remaining) [2024-10-14 17:15:11,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (70 of 152 remaining) [2024-10-14 17:15:11,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (69 of 152 remaining) [2024-10-14 17:15:11,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (68 of 152 remaining) [2024-10-14 17:15:11,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (67 of 152 remaining) [2024-10-14 17:15:11,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (66 of 152 remaining) [2024-10-14 17:15:11,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (65 of 152 remaining) [2024-10-14 17:15:11,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 152 remaining) [2024-10-14 17:15:11,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 152 remaining) [2024-10-14 17:15:11,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 152 remaining) [2024-10-14 17:15:11,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 152 remaining) [2024-10-14 17:15:11,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 152 remaining) [2024-10-14 17:15:11,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (59 of 152 remaining) [2024-10-14 17:15:11,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (58 of 152 remaining) [2024-10-14 17:15:11,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (57 of 152 remaining) [2024-10-14 17:15:11,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (56 of 152 remaining) [2024-10-14 17:15:11,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (55 of 152 remaining) [2024-10-14 17:15:11,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (54 of 152 remaining) [2024-10-14 17:15:11,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 152 remaining) [2024-10-14 17:15:11,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 152 remaining) [2024-10-14 17:15:11,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 152 remaining) [2024-10-14 17:15:11,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 152 remaining) [2024-10-14 17:15:11,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 152 remaining) [2024-10-14 17:15:11,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 152 remaining) [2024-10-14 17:15:11,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 152 remaining) [2024-10-14 17:15:11,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 152 remaining) [2024-10-14 17:15:11,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (45 of 152 remaining) [2024-10-14 17:15:11,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 152 remaining) [2024-10-14 17:15:11,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (43 of 152 remaining) [2024-10-14 17:15:11,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 152 remaining) [2024-10-14 17:15:11,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (41 of 152 remaining) [2024-10-14 17:15:11,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (40 of 152 remaining) [2024-10-14 17:15:11,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 152 remaining) [2024-10-14 17:15:11,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 152 remaining) [2024-10-14 17:15:11,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 152 remaining) [2024-10-14 17:15:11,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 152 remaining) [2024-10-14 17:15:11,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 152 remaining) [2024-10-14 17:15:11,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 152 remaining) [2024-10-14 17:15:11,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 152 remaining) [2024-10-14 17:15:11,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (32 of 152 remaining) [2024-10-14 17:15:11,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (31 of 152 remaining) [2024-10-14 17:15:11,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (30 of 152 remaining) [2024-10-14 17:15:11,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (29 of 152 remaining) [2024-10-14 17:15:11,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (28 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (27 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (26 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (25 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (24 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (23 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (22 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (21 of 152 remaining) [2024-10-14 17:15:11,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (20 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (19 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (18 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (17 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (16 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 152 remaining) [2024-10-14 17:15:11,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 152 remaining) [2024-10-14 17:15:11,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 152 remaining) [2024-10-14 17:15:11,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 152 remaining) [2024-10-14 17:15:11,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 152 remaining) [2024-10-14 17:15:11,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (7 of 152 remaining) [2024-10-14 17:15:11,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 152 remaining) [2024-10-14 17:15:11,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 152 remaining) [2024-10-14 17:15:11,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (4 of 152 remaining) [2024-10-14 17:15:11,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (3 of 152 remaining) [2024-10-14 17:15:11,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (2 of 152 remaining) [2024-10-14 17:15:11,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (1 of 152 remaining) [2024-10-14 17:15:11,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (0 of 152 remaining) [2024-10-14 17:15:11,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 17:15:11,682 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:11,688 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:15:11,689 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:15:11,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:15:11 BasicIcfg [2024-10-14 17:15:11,694 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:15:11,695 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:15:11,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:15:11,695 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:15:11,695 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:59" (3/4) ... [2024-10-14 17:15:11,697 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:15:11,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:15:11,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:15:11,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-14 17:15:11,708 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-10-14 17:15:11,709 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:15:11,709 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:15:11,709 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:15:11,823 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:15:11,824 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:15:11,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:15:11,824 INFO L158 Benchmark]: Toolchain (without parser) took 13914.55ms. Allocated memory was 159.4MB in the beginning and 1.1GB in the end (delta: 906.0MB). Free memory was 99.4MB in the beginning and 904.3MB in the end (delta: -804.9MB). Peak memory consumption was 100.9MB. Max. memory is 16.1GB. [2024-10-14 17:15:11,825 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:15:11,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.31ms. Allocated memory is still 159.4MB. Free memory was 99.2MB in the beginning and 125.2MB in the end (delta: -26.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 17:15:11,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.65ms. Allocated memory is still 159.4MB. Free memory was 125.2MB in the beginning and 121.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:15:11,825 INFO L158 Benchmark]: Boogie Preprocessor took 55.93ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 118.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:15:11,826 INFO L158 Benchmark]: RCFGBuilder took 1503.43ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 118.2MB in the beginning and 170.4MB in the end (delta: -52.1MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2024-10-14 17:15:11,826 INFO L158 Benchmark]: TraceAbstraction took 11714.01ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 169.4MB in the beginning and 911.6MB in the end (delta: -742.2MB). Peak memory consumption was 413.4MB. Max. memory is 16.1GB. [2024-10-14 17:15:11,826 INFO L158 Benchmark]: Witness Printer took 129.25ms. Allocated memory is still 1.1GB. Free memory was 911.6MB in the beginning and 904.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:15:11,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.31ms. Allocated memory is still 159.4MB. Free memory was 99.2MB in the beginning and 125.2MB in the end (delta: -26.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.65ms. Allocated memory is still 159.4MB. Free memory was 125.2MB in the beginning and 121.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.93ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 118.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1503.43ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 118.2MB in the beginning and 170.4MB in the end (delta: -52.1MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11714.01ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 169.4MB in the beginning and 911.6MB in the end (delta: -742.2MB). Peak memory consumption was 413.4MB. Max. memory is 16.1GB. * Witness Printer took 129.25ms. Allocated memory is still 1.1GB. Free memory was 911.6MB in the beginning and 904.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 587 locations, 152 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.5s, OverallIterations: 30, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 681 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1268 IncrementalHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 105 mSDtfsCounter, 1268 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=0, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4006 NumberOfCodeBlocks, 4006 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 3976 ConstructedInterpolants, 0 QuantifiedInterpolants, 4149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 86 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:15:11,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE