./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-word-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/weaver/chl-word-subst.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 1c6ecf58df9dd6f4f380af0d7ef563f293bde5430d47e04b9ba5ac44168fc198 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:00:20,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:00:20,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:00:20,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:00:20,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:00:20,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:00:20,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:00:20,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:00:20,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:00:20,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:00:20,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:00:20,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:00:20,342 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:00:20,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:00:20,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:00:20,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:00:20,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:00:20,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:00:20,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:00:20,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:00:20,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:00:20,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:00:20,345 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:00:20,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:00:20,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:00:20,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:00:20,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:00:20,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:00:20,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:00:20,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:00:20,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:00:20,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:00:20,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:00:20,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:00:20,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:00:20,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:00:20,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:00:20,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:00:20,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:00:20,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:00:20,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:00:20,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c6ecf58df9dd6f4f380af0d7ef563f293bde5430d47e04b9ba5ac44168fc198 [2024-11-09 07:00:20,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:00:20,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:00:20,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:00:20,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:00:20,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:00:20,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2024-11-09 07:00:22,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:00:22,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:00:22,329 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2024-11-09 07:00:22,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0f6281b/4ef23b0ea3674f138aa9e4e2aa41a774/FLAG6aaf522e6 [2024-11-09 07:00:22,358 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0f6281b/4ef23b0ea3674f138aa9e4e2aa41a774 [2024-11-09 07:00:22,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:00:22,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:00:22,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:00:22,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:00:22,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:00:22,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736ddc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22, skipping insertion in model container [2024-11-09 07:00:22,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:00:22,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:00:22,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:00:22,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:00:22,650 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:00:22,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22 WrapperNode [2024-11-09 07:00:22,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:00:22,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:00:22,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:00:22,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:00:22,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,702 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 248 [2024-11-09 07:00:22,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:00:22,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:00:22,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:00:22,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:00:22,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:00:22,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:00:22,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:00:22,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:00:22,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (1/1) ... [2024-11-09 07:00:22,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:00:22,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:00:22,857 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) [2024-11-09 07:00:22,871 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 [2024-11-09 07:00:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:00:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 07:00:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 07:00:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 07:00:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 07:00:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 07:00:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 07:00:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:00:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:00:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:00:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:00:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:00:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:00:22,909 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:00:23,029 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:00:23,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:00:23,668 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:00:23,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:00:23,705 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:00:23,706 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 07:00:23,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:00:23 BoogieIcfgContainer [2024-11-09 07:00:23,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:00:23,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:00:23,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:00:23,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:00:23,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:00:22" (1/3) ... [2024-11-09 07:00:23,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b325b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:00:23, skipping insertion in model container [2024-11-09 07:00:23,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:00:22" (2/3) ... [2024-11-09 07:00:23,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b325b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:00:23, skipping insertion in model container [2024-11-09 07:00:23,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:00:23" (3/3) ... [2024-11-09 07:00:23,716 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2024-11-09 07:00:23,735 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:00:23,735 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-11-09 07:00:23,735 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:00:23,911 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 07:00:23,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 632 places, 655 transitions, 1331 flow [2024-11-09 07:00:24,275 INFO L124 PetriNetUnfolderBase]: 33/652 cut-off events. [2024-11-09 07:00:24,276 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 07:00:24,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 652 events. 33/652 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1718 event pairs, 0 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 493. Up to 3 conditions per place. [2024-11-09 07:00:24,297 INFO L82 GeneralOperation]: Start removeDead. Operand has 632 places, 655 transitions, 1331 flow [2024-11-09 07:00:24,312 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 611 places, 632 transitions, 1282 flow [2024-11-09 07:00:24,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:00:24,335 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;@32baee9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:00:24,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 137 error locations. [2024-11-09 07:00:24,341 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:00:24,342 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-09 07:00:24,342 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:00:24,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:24,342 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] [2024-11-09 07:00:24,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:24,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:24,347 INFO L85 PathProgramCache]: Analyzing trace with hash 452336704, now seen corresponding path program 1 times [2024-11-09 07:00:24,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:24,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448231821] [2024-11-09 07:00:24,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:24,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:24,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:24,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448231821] [2024-11-09 07:00:24,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448231821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:24,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:24,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:24,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006147968] [2024-11-09 07:00:24,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:24,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:24,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:24,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:24,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:24,608 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 655 [2024-11-09 07:00:24,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 632 transitions, 1282 flow. Second operand has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:24,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:24,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 655 [2024-11-09 07:00:24,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:25,053 INFO L124 PetriNetUnfolderBase]: 78/1518 cut-off events. [2024-11-09 07:00:25,053 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-09 07:00:25,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 1518 events. 78/1518 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 9253 event pairs, 20 based on Foata normal form. 30/1249 useless extension candidates. Maximal degree in co-relation 1200. Up to 50 conditions per place. [2024-11-09 07:00:25,087 INFO L140 encePairwiseOnDemand]: 639/655 looper letters, 13 selfloop transitions, 2 changer transitions 7/618 dead transitions. [2024-11-09 07:00:25,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 618 transitions, 1284 flow [2024-11-09 07:00:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1898 transitions. [2024-11-09 07:00:25,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9659033078880407 [2024-11-09 07:00:25,111 INFO L175 Difference]: Start difference. First operand has 611 places, 632 transitions, 1282 flow. Second operand 3 states and 1898 transitions. [2024-11-09 07:00:25,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 618 transitions, 1284 flow [2024-11-09 07:00:25,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 618 transitions, 1272 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 07:00:25,129 INFO L231 Difference]: Finished difference. Result has 606 places, 611 transitions, 1232 flow [2024-11-09 07:00:25,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1242, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1232, PETRI_PLACES=606, PETRI_TRANSITIONS=611} [2024-11-09 07:00:25,137 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -5 predicate places. [2024-11-09 07:00:25,137 INFO L471 AbstractCegarLoop]: Abstraction has has 606 places, 611 transitions, 1232 flow [2024-11-09 07:00:25,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:25,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:25,139 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] [2024-11-09 07:00:25,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:00:25,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:25,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:25,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2119054710, now seen corresponding path program 1 times [2024-11-09 07:00:25,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:25,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4605837] [2024-11-09 07:00:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:25,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:25,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:25,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4605837] [2024-11-09 07:00:25,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4605837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:25,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:25,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:25,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392354811] [2024-11-09 07:00:25,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:25,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:25,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:25,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:25,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:25,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 655 [2024-11-09 07:00:25,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 611 transitions, 1232 flow. Second operand has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:25,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:25,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 655 [2024-11-09 07:00:25,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:25,533 INFO L124 PetriNetUnfolderBase]: 50/1054 cut-off events. [2024-11-09 07:00:25,535 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 07:00:25,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 1054 events. 50/1054 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5195 event pairs, 12 based on Foata normal form. 0/869 useless extension candidates. Maximal degree in co-relation 1068. Up to 38 conditions per place. [2024-11-09 07:00:25,559 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/610 dead transitions. [2024-11-09 07:00:25,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 610 transitions, 1260 flow [2024-11-09 07:00:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1885 transitions. [2024-11-09 07:00:25,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592875318066157 [2024-11-09 07:00:25,564 INFO L175 Difference]: Start difference. First operand has 606 places, 611 transitions, 1232 flow. Second operand 3 states and 1885 transitions. [2024-11-09 07:00:25,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 600 places, 610 transitions, 1260 flow [2024-11-09 07:00:25,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 610 transitions, 1256 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:25,571 INFO L231 Difference]: Finished difference. Result has 598 places, 610 transitions, 1230 flow [2024-11-09 07:00:25,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1226, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=608, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1230, PETRI_PLACES=598, PETRI_TRANSITIONS=610} [2024-11-09 07:00:25,573 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -13 predicate places. [2024-11-09 07:00:25,573 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 610 transitions, 1230 flow [2024-11-09 07:00:25,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:25,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:25,575 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] [2024-11-09 07:00:25,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:00:25,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:25,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:25,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1745260268, now seen corresponding path program 1 times [2024-11-09 07:00:25,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:25,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102878480] [2024-11-09 07:00:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:25,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:25,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102878480] [2024-11-09 07:00:25,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102878480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:25,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:25,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:25,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890707098] [2024-11-09 07:00:25,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:25,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:25,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:25,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:25,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:25,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 655 [2024-11-09 07:00:25,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 610 transitions, 1230 flow. Second operand has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:25,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:25,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 655 [2024-11-09 07:00:25,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:25,929 INFO L124 PetriNetUnfolderBase]: 78/1485 cut-off events. [2024-11-09 07:00:25,929 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-11-09 07:00:25,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1546 conditions, 1485 events. 78/1485 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8424 event pairs, 20 based on Foata normal form. 0/1206 useless extension candidates. Maximal degree in co-relation 1501. Up to 50 conditions per place. [2024-11-09 07:00:25,954 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/609 dead transitions. [2024-11-09 07:00:25,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 609 transitions, 1258 flow [2024-11-09 07:00:25,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1885 transitions. [2024-11-09 07:00:25,959 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592875318066157 [2024-11-09 07:00:25,959 INFO L175 Difference]: Start difference. First operand has 598 places, 610 transitions, 1230 flow. Second operand 3 states and 1885 transitions. [2024-11-09 07:00:25,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 609 transitions, 1258 flow [2024-11-09 07:00:25,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 609 transitions, 1254 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:25,967 INFO L231 Difference]: Finished difference. Result has 597 places, 609 transitions, 1228 flow [2024-11-09 07:00:25,968 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1224, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1228, PETRI_PLACES=597, PETRI_TRANSITIONS=609} [2024-11-09 07:00:25,969 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -14 predicate places. [2024-11-09 07:00:25,969 INFO L471 AbstractCegarLoop]: Abstraction has has 597 places, 609 transitions, 1228 flow [2024-11-09 07:00:25,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:25,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:25,970 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] [2024-11-09 07:00:25,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:00:25,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:25,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:25,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1138626604, now seen corresponding path program 1 times [2024-11-09 07:00:25,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:25,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824190693] [2024-11-09 07:00:25,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:25,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:26,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:26,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824190693] [2024-11-09 07:00:26,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824190693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:26,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:26,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:26,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076577076] [2024-11-09 07:00:26,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:26,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:26,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:26,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:26,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:26,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 655 [2024-11-09 07:00:26,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 609 transitions, 1228 flow. Second operand has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 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) [2024-11-09 07:00:26,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:26,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 655 [2024-11-09 07:00:26,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:26,351 INFO L124 PetriNetUnfolderBase]: 88/1786 cut-off events. [2024-11-09 07:00:26,351 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 07:00:26,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1856 conditions, 1786 events. 88/1786 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 11593 event pairs, 20 based on Foata normal form. 0/1448 useless extension candidates. Maximal degree in co-relation 1803. Up to 51 conditions per place. [2024-11-09 07:00:26,372 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/608 dead transitions. [2024-11-09 07:00:26,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 608 transitions, 1258 flow [2024-11-09 07:00:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1883 transitions. [2024-11-09 07:00:26,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9582697201017811 [2024-11-09 07:00:26,375 INFO L175 Difference]: Start difference. First operand has 597 places, 609 transitions, 1228 flow. Second operand 3 states and 1883 transitions. [2024-11-09 07:00:26,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 608 transitions, 1258 flow [2024-11-09 07:00:26,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 608 transitions, 1254 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:26,382 INFO L231 Difference]: Finished difference. Result has 596 places, 608 transitions, 1226 flow [2024-11-09 07:00:26,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1222, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1226, PETRI_PLACES=596, PETRI_TRANSITIONS=608} [2024-11-09 07:00:26,384 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -15 predicate places. [2024-11-09 07:00:26,384 INFO L471 AbstractCegarLoop]: Abstraction has has 596 places, 608 transitions, 1226 flow [2024-11-09 07:00:26,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 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) [2024-11-09 07:00:26,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:26,386 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] [2024-11-09 07:00:26,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:00:26,386 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:26,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:26,386 INFO L85 PathProgramCache]: Analyzing trace with hash -392882240, now seen corresponding path program 1 times [2024-11-09 07:00:26,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:26,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924230368] [2024-11-09 07:00:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:26,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:26,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:26,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924230368] [2024-11-09 07:00:26,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924230368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:26,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:26,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:26,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290347931] [2024-11-09 07:00:26,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:26,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:26,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:26,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:26,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:26,442 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 655 [2024-11-09 07:00:26,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 608 transitions, 1226 flow. Second operand has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 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) [2024-11-09 07:00:26,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:26,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 655 [2024-11-09 07:00:26,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:26,598 INFO L124 PetriNetUnfolderBase]: 50/1089 cut-off events. [2024-11-09 07:00:26,599 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-11-09 07:00:26,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 1089 events. 50/1089 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5540 event pairs, 12 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 1080. Up to 39 conditions per place. [2024-11-09 07:00:26,612 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/607 dead transitions. [2024-11-09 07:00:26,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 607 transitions, 1256 flow [2024-11-09 07:00:26,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1883 transitions. [2024-11-09 07:00:26,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9582697201017811 [2024-11-09 07:00:26,616 INFO L175 Difference]: Start difference. First operand has 596 places, 608 transitions, 1226 flow. Second operand 3 states and 1883 transitions. [2024-11-09 07:00:26,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 607 transitions, 1256 flow [2024-11-09 07:00:26,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 607 transitions, 1252 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:26,624 INFO L231 Difference]: Finished difference. Result has 595 places, 607 transitions, 1224 flow [2024-11-09 07:00:26,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1220, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1224, PETRI_PLACES=595, PETRI_TRANSITIONS=607} [2024-11-09 07:00:26,625 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -16 predicate places. [2024-11-09 07:00:26,626 INFO L471 AbstractCegarLoop]: Abstraction has has 595 places, 607 transitions, 1224 flow [2024-11-09 07:00:26,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 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) [2024-11-09 07:00:26,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:26,627 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] [2024-11-09 07:00:26,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:00:26,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:26,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:26,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1194727645, now seen corresponding path program 1 times [2024-11-09 07:00:26,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:26,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535915104] [2024-11-09 07:00:26,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:26,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:26,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:26,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535915104] [2024-11-09 07:00:26,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535915104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:26,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:26,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:26,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419787808] [2024-11-09 07:00:26,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:26,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:26,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:26,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:26,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:26,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 655 [2024-11-09 07:00:26,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 607 transitions, 1224 flow. Second operand has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 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) [2024-11-09 07:00:26,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:26,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 655 [2024-11-09 07:00:26,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:26,851 INFO L124 PetriNetUnfolderBase]: 48/866 cut-off events. [2024-11-09 07:00:26,852 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-11-09 07:00:26,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 866 events. 48/866 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3777 event pairs, 20 based on Foata normal form. 0/728 useless extension candidates. Maximal degree in co-relation 859. Up to 51 conditions per place. [2024-11-09 07:00:26,866 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/606 dead transitions. [2024-11-09 07:00:26,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 606 transitions, 1254 flow [2024-11-09 07:00:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:26,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1883 transitions. [2024-11-09 07:00:26,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9582697201017811 [2024-11-09 07:00:26,870 INFO L175 Difference]: Start difference. First operand has 595 places, 607 transitions, 1224 flow. Second operand 3 states and 1883 transitions. [2024-11-09 07:00:26,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 606 transitions, 1254 flow [2024-11-09 07:00:26,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 606 transitions, 1250 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:26,877 INFO L231 Difference]: Finished difference. Result has 594 places, 606 transitions, 1222 flow [2024-11-09 07:00:26,877 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1218, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1222, PETRI_PLACES=594, PETRI_TRANSITIONS=606} [2024-11-09 07:00:26,878 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -17 predicate places. [2024-11-09 07:00:26,878 INFO L471 AbstractCegarLoop]: Abstraction has has 594 places, 606 transitions, 1222 flow [2024-11-09 07:00:26,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 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) [2024-11-09 07:00:26,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:26,880 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] [2024-11-09 07:00:26,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:00:26,880 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:26,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash -420121175, now seen corresponding path program 1 times [2024-11-09 07:00:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:26,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075605653] [2024-11-09 07:00:26,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:26,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:26,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075605653] [2024-11-09 07:00:26,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075605653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:26,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:26,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:26,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317447476] [2024-11-09 07:00:26,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:26,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:26,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:26,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:26,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:26,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 618 out of 655 [2024-11-09 07:00:26,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 606 transitions, 1222 flow. Second operand has 3 states, 3 states have (on average 619.0) internal successors, (1857), 3 states have internal predecessors, (1857), 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) [2024-11-09 07:00:26,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:26,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 618 of 655 [2024-11-09 07:00:26,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:27,183 INFO L124 PetriNetUnfolderBase]: 165/2324 cut-off events. [2024-11-09 07:00:27,184 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-09 07:00:27,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2512 conditions, 2324 events. 165/2324 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 17869 event pairs, 64 based on Foata normal form. 0/1904 useless extension candidates. Maximal degree in co-relation 2435. Up to 151 conditions per place. [2024-11-09 07:00:27,212 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 16 selfloop transitions, 1 changer transitions 0/601 dead transitions. [2024-11-09 07:00:27,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 601 transitions, 1246 flow [2024-11-09 07:00:27,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1876 transitions. [2024-11-09 07:00:27,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.95470737913486 [2024-11-09 07:00:27,216 INFO L175 Difference]: Start difference. First operand has 594 places, 606 transitions, 1222 flow. Second operand 3 states and 1876 transitions. [2024-11-09 07:00:27,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 601 transitions, 1246 flow [2024-11-09 07:00:27,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 601 transitions, 1242 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:27,223 INFO L231 Difference]: Finished difference. Result has 589 places, 601 transitions, 1210 flow [2024-11-09 07:00:27,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1210, PETRI_PLACES=589, PETRI_TRANSITIONS=601} [2024-11-09 07:00:27,224 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -22 predicate places. [2024-11-09 07:00:27,224 INFO L471 AbstractCegarLoop]: Abstraction has has 589 places, 601 transitions, 1210 flow [2024-11-09 07:00:27,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.0) internal successors, (1857), 3 states have internal predecessors, (1857), 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) [2024-11-09 07:00:27,225 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:27,225 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] [2024-11-09 07:00:27,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:00:27,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:27,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:27,226 INFO L85 PathProgramCache]: Analyzing trace with hash 237991042, now seen corresponding path program 1 times [2024-11-09 07:00:27,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:27,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681289929] [2024-11-09 07:00:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:27,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:27,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681289929] [2024-11-09 07:00:27,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681289929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:27,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:27,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:27,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397420343] [2024-11-09 07:00:27,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:27,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:27,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:27,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:27,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:27,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 655 [2024-11-09 07:00:27,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 601 transitions, 1210 flow. Second operand has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:27,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:27,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 655 [2024-11-09 07:00:27,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:27,516 INFO L124 PetriNetUnfolderBase]: 88/1774 cut-off events. [2024-11-09 07:00:27,517 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-11-09 07:00:27,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1842 conditions, 1774 events. 88/1774 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10573 event pairs, 20 based on Foata normal form. 0/1446 useless extension candidates. Maximal degree in co-relation 1765. Up to 50 conditions per place. [2024-11-09 07:00:27,534 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/600 dead transitions. [2024-11-09 07:00:27,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 600 transitions, 1238 flow [2024-11-09 07:00:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:27,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1885 transitions. [2024-11-09 07:00:27,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592875318066157 [2024-11-09 07:00:27,537 INFO L175 Difference]: Start difference. First operand has 589 places, 601 transitions, 1210 flow. Second operand 3 states and 1885 transitions. [2024-11-09 07:00:27,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 600 transitions, 1238 flow [2024-11-09 07:00:27,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 600 transitions, 1237 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:27,543 INFO L231 Difference]: Finished difference. Result has 589 places, 600 transitions, 1211 flow [2024-11-09 07:00:27,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1207, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1211, PETRI_PLACES=589, PETRI_TRANSITIONS=600} [2024-11-09 07:00:27,544 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -22 predicate places. [2024-11-09 07:00:27,544 INFO L471 AbstractCegarLoop]: Abstraction has has 589 places, 600 transitions, 1211 flow [2024-11-09 07:00:27,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:27,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:27,546 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] [2024-11-09 07:00:27,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:00:27,546 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:27,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:27,546 INFO L85 PathProgramCache]: Analyzing trace with hash 233819493, now seen corresponding path program 1 times [2024-11-09 07:00:27,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:27,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936921650] [2024-11-09 07:00:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:27,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:28,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:28,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936921650] [2024-11-09 07:00:28,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936921650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:28,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:28,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:00:28,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40711640] [2024-11-09 07:00:28,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:28,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:00:28,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:28,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:00:28,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:00:28,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 655 [2024-11-09 07:00:28,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 600 transitions, 1211 flow. Second operand has 6 states, 6 states have (on average 545.5) internal successors, (3273), 6 states have internal predecessors, (3273), 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) [2024-11-09 07:00:28,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:28,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 655 [2024-11-09 07:00:28,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:39,464 INFO L124 PetriNetUnfolderBase]: 12845/49235 cut-off events. [2024-11-09 07:00:39,465 INFO L125 PetriNetUnfolderBase]: For 899/901 co-relation queries the response was YES. [2024-11-09 07:00:39,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66718 conditions, 49235 events. 12845/49235 cut-off events. For 899/901 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 647538 event pairs, 10080 based on Foata normal form. 0/40940 useless extension candidates. Maximal degree in co-relation 66642. Up to 17156 conditions per place. [2024-11-09 07:00:40,126 INFO L140 encePairwiseOnDemand]: 637/655 looper letters, 78 selfloop transitions, 15 changer transitions 0/597 dead transitions. [2024-11-09 07:00:40,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 597 transitions, 1391 flow [2024-11-09 07:00:40,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:00:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:00:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3360 transitions. [2024-11-09 07:00:40,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8549618320610687 [2024-11-09 07:00:40,141 INFO L175 Difference]: Start difference. First operand has 589 places, 600 transitions, 1211 flow. Second operand 6 states and 3360 transitions. [2024-11-09 07:00:40,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 597 transitions, 1391 flow [2024-11-09 07:00:40,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 597 transitions, 1387 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:40,153 INFO L231 Difference]: Finished difference. Result has 589 places, 597 transitions, 1231 flow [2024-11-09 07:00:40,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1231, PETRI_PLACES=589, PETRI_TRANSITIONS=597} [2024-11-09 07:00:40,154 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -22 predicate places. [2024-11-09 07:00:40,155 INFO L471 AbstractCegarLoop]: Abstraction has has 589 places, 597 transitions, 1231 flow [2024-11-09 07:00:40,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 545.5) internal successors, (3273), 6 states have internal predecessors, (3273), 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) [2024-11-09 07:00:40,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:40,157 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] [2024-11-09 07:00:40,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 07:00:40,158 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:40,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:40,160 INFO L85 PathProgramCache]: Analyzing trace with hash -895861133, now seen corresponding path program 1 times [2024-11-09 07:00:40,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:40,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101064825] [2024-11-09 07:00:40,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:40,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:40,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:40,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101064825] [2024-11-09 07:00:40,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101064825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:40,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:40,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:40,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322772401] [2024-11-09 07:00:40,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:40,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:40,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:40,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:40,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:40,265 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 618 out of 655 [2024-11-09 07:00:40,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 597 transitions, 1231 flow. Second operand has 3 states, 3 states have (on average 619.0) internal successors, (1857), 3 states have internal predecessors, (1857), 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) [2024-11-09 07:00:40,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:40,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 618 of 655 [2024-11-09 07:00:40,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:41,759 INFO L124 PetriNetUnfolderBase]: 113/1699 cut-off events. [2024-11-09 07:00:41,759 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-09 07:00:41,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1832 conditions, 1699 events. 113/1699 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 11076 event pairs, 32 based on Foata normal form. 0/1418 useless extension candidates. Maximal degree in co-relation 1784. Up to 102 conditions per place. [2024-11-09 07:00:41,810 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 16 selfloop transitions, 1 changer transitions 0/592 dead transitions. [2024-11-09 07:00:41,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 592 transitions, 1255 flow [2024-11-09 07:00:41,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1876 transitions. [2024-11-09 07:00:41,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.95470737913486 [2024-11-09 07:00:41,818 INFO L175 Difference]: Start difference. First operand has 589 places, 597 transitions, 1231 flow. Second operand 3 states and 1876 transitions. [2024-11-09 07:00:41,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 592 transitions, 1255 flow [2024-11-09 07:00:41,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 592 transitions, 1225 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:00:41,825 INFO L231 Difference]: Finished difference. Result has 581 places, 592 transitions, 1193 flow [2024-11-09 07:00:41,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1193, PETRI_PLACES=581, PETRI_TRANSITIONS=592} [2024-11-09 07:00:41,828 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -30 predicate places. [2024-11-09 07:00:41,828 INFO L471 AbstractCegarLoop]: Abstraction has has 581 places, 592 transitions, 1193 flow [2024-11-09 07:00:41,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.0) internal successors, (1857), 3 states have internal predecessors, (1857), 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) [2024-11-09 07:00:41,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:41,830 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] [2024-11-09 07:00:41,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:00:41,830 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:41,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:41,831 INFO L85 PathProgramCache]: Analyzing trace with hash -467743023, now seen corresponding path program 1 times [2024-11-09 07:00:41,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:41,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217136228] [2024-11-09 07:00:41,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:41,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:41,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:41,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217136228] [2024-11-09 07:00:41,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217136228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:41,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:41,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:41,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41774886] [2024-11-09 07:00:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:41,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:41,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:41,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:41,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:41,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 655 [2024-11-09 07:00:41,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 592 transitions, 1193 flow. Second operand has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:41,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:41,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 655 [2024-11-09 07:00:41,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:42,014 INFO L124 PetriNetUnfolderBase]: 50/1065 cut-off events. [2024-11-09 07:00:42,014 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-11-09 07:00:42,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1065 events. 50/1065 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4830 event pairs, 12 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 1039. Up to 38 conditions per place. [2024-11-09 07:00:42,030 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/591 dead transitions. [2024-11-09 07:00:42,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 591 transitions, 1221 flow [2024-11-09 07:00:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1885 transitions. [2024-11-09 07:00:42,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592875318066157 [2024-11-09 07:00:42,034 INFO L175 Difference]: Start difference. First operand has 581 places, 592 transitions, 1193 flow. Second operand 3 states and 1885 transitions. [2024-11-09 07:00:42,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 591 transitions, 1221 flow [2024-11-09 07:00:42,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 591 transitions, 1220 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:42,041 INFO L231 Difference]: Finished difference. Result has 581 places, 591 transitions, 1194 flow [2024-11-09 07:00:42,042 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1190, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1194, PETRI_PLACES=581, PETRI_TRANSITIONS=591} [2024-11-09 07:00:42,044 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -30 predicate places. [2024-11-09 07:00:42,044 INFO L471 AbstractCegarLoop]: Abstraction has has 581 places, 591 transitions, 1194 flow [2024-11-09 07:00:42,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:42,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:42,046 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] [2024-11-09 07:00:42,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 07:00:42,046 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:42,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash 164645723, now seen corresponding path program 1 times [2024-11-09 07:00:42,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:42,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535340574] [2024-11-09 07:00:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:42,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:42,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:42,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535340574] [2024-11-09 07:00:42,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535340574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:42,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:42,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:42,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637724098] [2024-11-09 07:00:42,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:42,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:42,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:42,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:42,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:42,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 618 out of 655 [2024-11-09 07:00:42,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 591 transitions, 1194 flow. Second operand has 3 states, 3 states have (on average 619.0) internal successors, (1857), 3 states have internal predecessors, (1857), 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) [2024-11-09 07:00:42,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:42,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 618 of 655 [2024-11-09 07:00:42,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:42,349 INFO L124 PetriNetUnfolderBase]: 166/1874 cut-off events. [2024-11-09 07:00:42,349 INFO L125 PetriNetUnfolderBase]: For 33/35 co-relation queries the response was YES. [2024-11-09 07:00:42,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2058 conditions, 1874 events. 166/1874 cut-off events. For 33/35 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 12465 event pairs, 64 based on Foata normal form. 0/1587 useless extension candidates. Maximal degree in co-relation 1981. Up to 169 conditions per place. [2024-11-09 07:00:42,386 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 16 selfloop transitions, 1 changer transitions 0/586 dead transitions. [2024-11-09 07:00:42,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 586 transitions, 1218 flow [2024-11-09 07:00:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1876 transitions. [2024-11-09 07:00:42,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.95470737913486 [2024-11-09 07:00:42,389 INFO L175 Difference]: Start difference. First operand has 581 places, 591 transitions, 1194 flow. Second operand 3 states and 1876 transitions. [2024-11-09 07:00:42,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 586 transitions, 1218 flow [2024-11-09 07:00:42,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 586 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:42,397 INFO L231 Difference]: Finished difference. Result has 576 places, 586 transitions, 1182 flow [2024-11-09 07:00:42,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1182, PETRI_PLACES=576, PETRI_TRANSITIONS=586} [2024-11-09 07:00:42,400 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -35 predicate places. [2024-11-09 07:00:42,401 INFO L471 AbstractCegarLoop]: Abstraction has has 576 places, 586 transitions, 1182 flow [2024-11-09 07:00:42,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.0) internal successors, (1857), 3 states have internal predecessors, (1857), 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) [2024-11-09 07:00:42,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:42,402 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] [2024-11-09 07:00:42,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 07:00:42,403 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:42,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:42,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1782534799, now seen corresponding path program 1 times [2024-11-09 07:00:42,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:42,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228034180] [2024-11-09 07:00:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:42,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:42,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:42,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228034180] [2024-11-09 07:00:42,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228034180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:42,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:42,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:42,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167644880] [2024-11-09 07:00:42,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:42,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:42,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:42,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:42,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:42,476 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 655 [2024-11-09 07:00:42,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 586 transitions, 1182 flow. Second operand has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:42,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:42,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 655 [2024-11-09 07:00:42,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:42,580 INFO L124 PetriNetUnfolderBase]: 48/837 cut-off events. [2024-11-09 07:00:42,581 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-11-09 07:00:42,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 837 events. 48/837 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3270 event pairs, 20 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 822. Up to 50 conditions per place. [2024-11-09 07:00:42,594 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/585 dead transitions. [2024-11-09 07:00:42,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 585 transitions, 1210 flow [2024-11-09 07:00:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1885 transitions. [2024-11-09 07:00:42,598 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9592875318066157 [2024-11-09 07:00:42,598 INFO L175 Difference]: Start difference. First operand has 576 places, 586 transitions, 1182 flow. Second operand 3 states and 1885 transitions. [2024-11-09 07:00:42,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 585 transitions, 1210 flow [2024-11-09 07:00:42,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 585 transitions, 1209 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:42,605 INFO L231 Difference]: Finished difference. Result has 576 places, 585 transitions, 1183 flow [2024-11-09 07:00:42,606 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1179, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1183, PETRI_PLACES=576, PETRI_TRANSITIONS=585} [2024-11-09 07:00:42,607 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -35 predicate places. [2024-11-09 07:00:42,607 INFO L471 AbstractCegarLoop]: Abstraction has has 576 places, 585 transitions, 1183 flow [2024-11-09 07:00:42,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-09 07:00:42,608 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:42,608 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] [2024-11-09 07:00:42,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 07:00:42,609 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:42,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:42,609 INFO L85 PathProgramCache]: Analyzing trace with hash 286688870, now seen corresponding path program 1 times [2024-11-09 07:00:42,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:42,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662615811] [2024-11-09 07:00:42,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:42,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:42,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:42,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662615811] [2024-11-09 07:00:42,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662615811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:42,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:42,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:42,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930134298] [2024-11-09 07:00:42,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:42,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:42,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:42,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:42,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:42,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2024-11-09 07:00:42,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 585 transitions, 1183 flow. Second operand has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 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) [2024-11-09 07:00:42,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:42,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2024-11-09 07:00:42,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:43,027 INFO L124 PetriNetUnfolderBase]: 157/2220 cut-off events. [2024-11-09 07:00:43,028 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-09 07:00:43,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2386 conditions, 2220 events. 157/2220 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 16956 event pairs, 53 based on Foata normal form. 0/1869 useless extension candidates. Maximal degree in co-relation 2309. Up to 123 conditions per place. [2024-11-09 07:00:43,058 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 17 selfloop transitions, 2 changer transitions 0/585 dead transitions. [2024-11-09 07:00:43,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 585 transitions, 1223 flow [2024-11-09 07:00:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1886 transitions. [2024-11-09 07:00:43,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597964376590331 [2024-11-09 07:00:43,062 INFO L175 Difference]: Start difference. First operand has 576 places, 585 transitions, 1183 flow. Second operand 3 states and 1886 transitions. [2024-11-09 07:00:43,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 585 transitions, 1223 flow [2024-11-09 07:00:43,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 585 transitions, 1219 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:43,072 INFO L231 Difference]: Finished difference. Result has 573 places, 583 transitions, 1185 flow [2024-11-09 07:00:43,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1185, PETRI_PLACES=573, PETRI_TRANSITIONS=583} [2024-11-09 07:00:43,073 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -38 predicate places. [2024-11-09 07:00:43,073 INFO L471 AbstractCegarLoop]: Abstraction has has 573 places, 583 transitions, 1185 flow [2024-11-09 07:00:43,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 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) [2024-11-09 07:00:43,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:43,074 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] [2024-11-09 07:00:43,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 07:00:43,075 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:43,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash 630144488, now seen corresponding path program 1 times [2024-11-09 07:00:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:43,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000018706] [2024-11-09 07:00:43,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:43,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:43,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:43,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000018706] [2024-11-09 07:00:43,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000018706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:43,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:43,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:43,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236442265] [2024-11-09 07:00:43,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:43,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:43,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:43,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:43,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:43,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2024-11-09 07:00:43,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 583 transitions, 1185 flow. Second operand has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 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) [2024-11-09 07:00:43,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:43,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2024-11-09 07:00:43,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:43,342 INFO L124 PetriNetUnfolderBase]: 96/1534 cut-off events. [2024-11-09 07:00:43,343 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-09 07:00:43,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 1534 events. 96/1534 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 9615 event pairs, 20 based on Foata normal form. 0/1315 useless extension candidates. Maximal degree in co-relation 1559. Up to 75 conditions per place. [2024-11-09 07:00:43,374 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 17 selfloop transitions, 2 changer transitions 0/583 dead transitions. [2024-11-09 07:00:43,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 571 places, 583 transitions, 1225 flow [2024-11-09 07:00:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1886 transitions. [2024-11-09 07:00:43,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597964376590331 [2024-11-09 07:00:43,377 INFO L175 Difference]: Start difference. First operand has 573 places, 583 transitions, 1185 flow. Second operand 3 states and 1886 transitions. [2024-11-09 07:00:43,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 571 places, 583 transitions, 1225 flow [2024-11-09 07:00:43,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 583 transitions, 1225 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:43,385 INFO L231 Difference]: Finished difference. Result has 572 places, 581 transitions, 1191 flow [2024-11-09 07:00:43,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1177, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1191, PETRI_PLACES=572, PETRI_TRANSITIONS=581} [2024-11-09 07:00:43,387 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -39 predicate places. [2024-11-09 07:00:43,387 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 581 transitions, 1191 flow [2024-11-09 07:00:43,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 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) [2024-11-09 07:00:43,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:43,389 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] [2024-11-09 07:00:43,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 07:00:43,389 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:43,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:43,390 INFO L85 PathProgramCache]: Analyzing trace with hash -69708871, now seen corresponding path program 1 times [2024-11-09 07:00:43,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:43,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208617623] [2024-11-09 07:00:43,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:43,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:43,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:43,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208617623] [2024-11-09 07:00:43,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208617623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:43,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:43,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:43,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10586259] [2024-11-09 07:00:43,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:43,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:43,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:43,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:43,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:43,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2024-11-09 07:00:43,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 581 transitions, 1191 flow. Second operand has 3 states, 3 states have (on average 622.6666666666666) internal successors, (1868), 3 states have internal predecessors, (1868), 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) [2024-11-09 07:00:43,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:43,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2024-11-09 07:00:43,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:43,888 INFO L124 PetriNetUnfolderBase]: 250/3267 cut-off events. [2024-11-09 07:00:43,888 INFO L125 PetriNetUnfolderBase]: For 31/35 co-relation queries the response was YES. [2024-11-09 07:00:43,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3504 conditions, 3267 events. 250/3267 cut-off events. For 31/35 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 28606 event pairs, 52 based on Foata normal form. 1/2784 useless extension candidates. Maximal degree in co-relation 3426. Up to 202 conditions per place. [2024-11-09 07:00:43,913 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 17 selfloop transitions, 2 changer transitions 0/581 dead transitions. [2024-11-09 07:00:43,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 581 transitions, 1231 flow [2024-11-09 07:00:43,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1886 transitions. [2024-11-09 07:00:43,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9597964376590331 [2024-11-09 07:00:43,917 INFO L175 Difference]: Start difference. First operand has 572 places, 581 transitions, 1191 flow. Second operand 3 states and 1886 transitions. [2024-11-09 07:00:43,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 581 transitions, 1231 flow [2024-11-09 07:00:43,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 581 transitions, 1231 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:43,923 INFO L231 Difference]: Finished difference. Result has 571 places, 579 transitions, 1197 flow [2024-11-09 07:00:43,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1197, PETRI_PLACES=571, PETRI_TRANSITIONS=579} [2024-11-09 07:00:43,924 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -40 predicate places. [2024-11-09 07:00:43,925 INFO L471 AbstractCegarLoop]: Abstraction has has 571 places, 579 transitions, 1197 flow [2024-11-09 07:00:43,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.6666666666666) internal successors, (1868), 3 states have internal predecessors, (1868), 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) [2024-11-09 07:00:43,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:43,930 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] [2024-11-09 07:00:43,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 07:00:43,930 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:43,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:43,930 INFO L85 PathProgramCache]: Analyzing trace with hash 911023066, now seen corresponding path program 1 times [2024-11-09 07:00:43,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:43,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835658700] [2024-11-09 07:00:43,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:43,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:43,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835658700] [2024-11-09 07:00:43,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835658700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:43,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:43,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:43,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538309963] [2024-11-09 07:00:43,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:43,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:43,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:43,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:43,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:43,994 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 626 out of 655 [2024-11-09 07:00:43,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 579 transitions, 1197 flow. Second operand has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 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) [2024-11-09 07:00:43,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:43,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 626 of 655 [2024-11-09 07:00:43,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:44,229 INFO L124 PetriNetUnfolderBase]: 108/2057 cut-off events. [2024-11-09 07:00:44,229 INFO L125 PetriNetUnfolderBase]: For 2/10 co-relation queries the response was YES. [2024-11-09 07:00:44,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2167 conditions, 2057 events. 108/2057 cut-off events. For 2/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13449 event pairs, 8 based on Foata normal form. 1/1770 useless extension candidates. Maximal degree in co-relation 2089. Up to 33 conditions per place. [2024-11-09 07:00:44,258 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/580 dead transitions. [2024-11-09 07:00:44,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 580 transitions, 1231 flow [2024-11-09 07:00:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:44,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1894 transitions. [2024-11-09 07:00:44,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9638676844783715 [2024-11-09 07:00:44,261 INFO L175 Difference]: Start difference. First operand has 571 places, 579 transitions, 1197 flow. Second operand 3 states and 1894 transitions. [2024-11-09 07:00:44,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 580 transitions, 1231 flow [2024-11-09 07:00:44,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 580 transitions, 1231 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:44,268 INFO L231 Difference]: Finished difference. Result has 572 places, 578 transitions, 1199 flow [2024-11-09 07:00:44,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1195, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1199, PETRI_PLACES=572, PETRI_TRANSITIONS=578} [2024-11-09 07:00:44,269 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -39 predicate places. [2024-11-09 07:00:44,269 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 578 transitions, 1199 flow [2024-11-09 07:00:44,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 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) [2024-11-09 07:00:44,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:44,270 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] [2024-11-09 07:00:44,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 07:00:44,271 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:44,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:44,272 INFO L85 PathProgramCache]: Analyzing trace with hash 44543776, now seen corresponding path program 1 times [2024-11-09 07:00:44,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:44,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354332210] [2024-11-09 07:00:44,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:44,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:44,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:44,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:44,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354332210] [2024-11-09 07:00:44,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354332210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:44,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:44,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:44,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350964096] [2024-11-09 07:00:44,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:44,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:44,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:44,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:44,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:44,330 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 626 out of 655 [2024-11-09 07:00:44,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 578 transitions, 1199 flow. Second operand has 3 states, 3 states have (on average 627.6666666666666) internal successors, (1883), 3 states have internal predecessors, (1883), 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) [2024-11-09 07:00:44,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:44,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 626 of 655 [2024-11-09 07:00:44,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:44,509 INFO L124 PetriNetUnfolderBase]: 89/1589 cut-off events. [2024-11-09 07:00:44,509 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 07:00:44,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1705 conditions, 1589 events. 89/1589 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10195 event pairs, 12 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 1664. Up to 40 conditions per place. [2024-11-09 07:00:44,538 INFO L140 encePairwiseOnDemand]: 651/655 looper letters, 14 selfloop transitions, 3 changer transitions 0/581 dead transitions. [2024-11-09 07:00:44,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 581 transitions, 1241 flow [2024-11-09 07:00:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1896 transitions. [2024-11-09 07:00:44,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9648854961832061 [2024-11-09 07:00:44,541 INFO L175 Difference]: Start difference. First operand has 572 places, 578 transitions, 1199 flow. Second operand 3 states and 1896 transitions. [2024-11-09 07:00:44,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 581 transitions, 1241 flow [2024-11-09 07:00:44,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 581 transitions, 1237 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:44,550 INFO L231 Difference]: Finished difference. Result has 574 places, 579 transitions, 1213 flow [2024-11-09 07:00:44,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1195, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1213, PETRI_PLACES=574, PETRI_TRANSITIONS=579} [2024-11-09 07:00:44,551 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -37 predicate places. [2024-11-09 07:00:44,551 INFO L471 AbstractCegarLoop]: Abstraction has has 574 places, 579 transitions, 1213 flow [2024-11-09 07:00:44,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.6666666666666) internal successors, (1883), 3 states have internal predecessors, (1883), 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) [2024-11-09 07:00:44,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:44,552 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] [2024-11-09 07:00:44,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 07:00:44,553 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:44,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash 578733025, now seen corresponding path program 1 times [2024-11-09 07:00:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516000533] [2024-11-09 07:00:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:44,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:44,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516000533] [2024-11-09 07:00:44,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516000533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:44,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:44,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:44,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989528870] [2024-11-09 07:00:44,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:44,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:44,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:44,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:44,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:44,614 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2024-11-09 07:00:44,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 579 transitions, 1213 flow. Second operand has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 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) [2024-11-09 07:00:44,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:44,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2024-11-09 07:00:44,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:45,107 INFO L124 PetriNetUnfolderBase]: 197/2613 cut-off events. [2024-11-09 07:00:45,108 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-09 07:00:45,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2907 conditions, 2613 events. 197/2613 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 19808 event pairs, 24 based on Foata normal form. 0/2267 useless extension candidates. Maximal degree in co-relation 2827. Up to 168 conditions per place. [2024-11-09 07:00:45,155 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 20 selfloop transitions, 2 changer transitions 0/582 dead transitions. [2024-11-09 07:00:45,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 582 transitions, 1268 flow [2024-11-09 07:00:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1889 transitions. [2024-11-09 07:00:45,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961323155216285 [2024-11-09 07:00:45,159 INFO L175 Difference]: Start difference. First operand has 574 places, 579 transitions, 1213 flow. Second operand 3 states and 1889 transitions. [2024-11-09 07:00:45,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 582 transitions, 1268 flow [2024-11-09 07:00:45,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 582 transitions, 1262 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:45,170 INFO L231 Difference]: Finished difference. Result has 571 places, 577 transitions, 1213 flow [2024-11-09 07:00:45,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1199, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1213, PETRI_PLACES=571, PETRI_TRANSITIONS=577} [2024-11-09 07:00:45,171 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -40 predicate places. [2024-11-09 07:00:45,171 INFO L471 AbstractCegarLoop]: Abstraction has has 571 places, 577 transitions, 1213 flow [2024-11-09 07:00:45,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 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) [2024-11-09 07:00:45,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:45,172 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] [2024-11-09 07:00:45,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 07:00:45,172 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:45,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1172048154, now seen corresponding path program 1 times [2024-11-09 07:00:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:45,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390085260] [2024-11-09 07:00:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:45,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:45,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:45,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390085260] [2024-11-09 07:00:45,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390085260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:45,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:45,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:45,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041105630] [2024-11-09 07:00:45,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:45,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:45,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:45,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:45,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:45,251 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 655 [2024-11-09 07:00:45,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 577 transitions, 1213 flow. Second operand has 3 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 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) [2024-11-09 07:00:45,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:45,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 655 [2024-11-09 07:00:45,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:45,752 INFO L124 PetriNetUnfolderBase]: 169/2812 cut-off events. [2024-11-09 07:00:45,753 INFO L125 PetriNetUnfolderBase]: For 20/59 co-relation queries the response was YES. [2024-11-09 07:00:45,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3021 conditions, 2812 events. 169/2812 cut-off events. For 20/59 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 20819 event pairs, 19 based on Foata normal form. 0/2415 useless extension candidates. Maximal degree in co-relation 2941. Up to 72 conditions per place. [2024-11-09 07:00:45,798 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/578 dead transitions. [2024-11-09 07:00:45,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 578 transitions, 1249 flow [2024-11-09 07:00:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:45,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1892 transitions. [2024-11-09 07:00:45,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9628498727735368 [2024-11-09 07:00:45,803 INFO L175 Difference]: Start difference. First operand has 571 places, 577 transitions, 1213 flow. Second operand 3 states and 1892 transitions. [2024-11-09 07:00:45,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 578 transitions, 1249 flow [2024-11-09 07:00:45,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 578 transitions, 1249 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:45,811 INFO L231 Difference]: Finished difference. Result has 572 places, 576 transitions, 1215 flow [2024-11-09 07:00:45,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1211, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1215, PETRI_PLACES=572, PETRI_TRANSITIONS=576} [2024-11-09 07:00:45,812 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -39 predicate places. [2024-11-09 07:00:45,812 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 576 transitions, 1215 flow [2024-11-09 07:00:45,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 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) [2024-11-09 07:00:45,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:45,813 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] [2024-11-09 07:00:45,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 07:00:45,813 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:45,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:45,813 INFO L85 PathProgramCache]: Analyzing trace with hash -756035181, now seen corresponding path program 1 times [2024-11-09 07:00:45,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:45,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879484630] [2024-11-09 07:00:45,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:45,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:45,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:45,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879484630] [2024-11-09 07:00:45,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879484630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:45,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:45,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:45,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815326055] [2024-11-09 07:00:45,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:45,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:45,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:45,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:45,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:45,879 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 626 out of 655 [2024-11-09 07:00:45,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 576 transitions, 1215 flow. Second operand has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 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) [2024-11-09 07:00:45,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:45,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 626 of 655 [2024-11-09 07:00:45,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:46,305 INFO L124 PetriNetUnfolderBase]: 147/2543 cut-off events. [2024-11-09 07:00:46,305 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-09 07:00:46,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2738 conditions, 2543 events. 147/2543 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 18068 event pairs, 10 based on Foata normal form. 0/2202 useless extension candidates. Maximal degree in co-relation 2661. Up to 44 conditions per place. [2024-11-09 07:00:46,332 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/577 dead transitions. [2024-11-09 07:00:46,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 577 transitions, 1249 flow [2024-11-09 07:00:46,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1894 transitions. [2024-11-09 07:00:46,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9638676844783715 [2024-11-09 07:00:46,336 INFO L175 Difference]: Start difference. First operand has 572 places, 576 transitions, 1215 flow. Second operand 3 states and 1894 transitions. [2024-11-09 07:00:46,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 577 transitions, 1249 flow [2024-11-09 07:00:46,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 577 transitions, 1245 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:46,342 INFO L231 Difference]: Finished difference. Result has 571 places, 575 transitions, 1213 flow [2024-11-09 07:00:46,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1209, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1213, PETRI_PLACES=571, PETRI_TRANSITIONS=575} [2024-11-09 07:00:46,343 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -40 predicate places. [2024-11-09 07:00:46,343 INFO L471 AbstractCegarLoop]: Abstraction has has 571 places, 575 transitions, 1213 flow [2024-11-09 07:00:46,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 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) [2024-11-09 07:00:46,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:46,343 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] [2024-11-09 07:00:46,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 07:00:46,344 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:46,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:46,344 INFO L85 PathProgramCache]: Analyzing trace with hash 833850535, now seen corresponding path program 1 times [2024-11-09 07:00:46,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:46,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290152000] [2024-11-09 07:00:46,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:46,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:46,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:46,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290152000] [2024-11-09 07:00:46,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290152000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:46,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:46,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 07:00:46,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086924816] [2024-11-09 07:00:46,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:46,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:00:46,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:46,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:00:46,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:00:47,184 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2024-11-09 07:00:47,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 575 transitions, 1213 flow. Second operand has 8 states, 8 states have (on average 598.125) internal successors, (4785), 8 states have internal predecessors, (4785), 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) [2024-11-09 07:00:47,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:47,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2024-11-09 07:00:47,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:47,969 INFO L124 PetriNetUnfolderBase]: 235/3653 cut-off events. [2024-11-09 07:00:47,969 INFO L125 PetriNetUnfolderBase]: For 9/27 co-relation queries the response was YES. [2024-11-09 07:00:48,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4125 conditions, 3653 events. 235/3653 cut-off events. For 9/27 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 31299 event pairs, 43 based on Foata normal form. 5/3193 useless extension candidates. Maximal degree in co-relation 4072. Up to 155 conditions per place. [2024-11-09 07:00:48,053 INFO L140 encePairwiseOnDemand]: 640/655 looper letters, 70 selfloop transitions, 16 changer transitions 0/614 dead transitions. [2024-11-09 07:00:48,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 614 transitions, 1479 flow [2024-11-09 07:00:48,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 07:00:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 07:00:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6620 transitions. [2024-11-09 07:00:48,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9188063844552394 [2024-11-09 07:00:48,065 INFO L175 Difference]: Start difference. First operand has 571 places, 575 transitions, 1213 flow. Second operand 11 states and 6620 transitions. [2024-11-09 07:00:48,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 614 transitions, 1479 flow [2024-11-09 07:00:48,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 579 places, 614 transitions, 1475 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:48,075 INFO L231 Difference]: Finished difference. Result has 584 places, 584 transitions, 1293 flow [2024-11-09 07:00:48,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1209, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1293, PETRI_PLACES=584, PETRI_TRANSITIONS=584} [2024-11-09 07:00:48,077 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -27 predicate places. [2024-11-09 07:00:48,077 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 584 transitions, 1293 flow [2024-11-09 07:00:48,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.125) internal successors, (4785), 8 states have internal predecessors, (4785), 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) [2024-11-09 07:00:48,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:48,079 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, 1] [2024-11-09 07:00:48,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 07:00:48,079 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:48,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:48,079 INFO L85 PathProgramCache]: Analyzing trace with hash -206713279, now seen corresponding path program 1 times [2024-11-09 07:00:48,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:48,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924607878] [2024-11-09 07:00:48,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:48,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:48,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:48,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924607878] [2024-11-09 07:00:48,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924607878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:48,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:48,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:48,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194612313] [2024-11-09 07:00:48,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:48,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:48,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:48,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:48,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:48,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 655 [2024-11-09 07:00:48,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 584 transitions, 1293 flow. Second operand has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 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) [2024-11-09 07:00:48,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:48,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 655 [2024-11-09 07:00:48,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:48,619 INFO L124 PetriNetUnfolderBase]: 191/2428 cut-off events. [2024-11-09 07:00:48,619 INFO L125 PetriNetUnfolderBase]: For 79/144 co-relation queries the response was YES. [2024-11-09 07:00:48,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2813 conditions, 2428 events. 191/2428 cut-off events. For 79/144 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 18743 event pairs, 44 based on Foata normal form. 0/2115 useless extension candidates. Maximal degree in co-relation 2724. Up to 165 conditions per place. [2024-11-09 07:00:48,674 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/585 dead transitions. [2024-11-09 07:00:48,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 585 places, 585 transitions, 1329 flow [2024-11-09 07:00:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1892 transitions. [2024-11-09 07:00:48,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9628498727735368 [2024-11-09 07:00:48,678 INFO L175 Difference]: Start difference. First operand has 584 places, 584 transitions, 1293 flow. Second operand 3 states and 1892 transitions. [2024-11-09 07:00:48,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 585 places, 585 transitions, 1329 flow [2024-11-09 07:00:48,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 585 transitions, 1325 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:48,687 INFO L231 Difference]: Finished difference. Result has 584 places, 583 transitions, 1291 flow [2024-11-09 07:00:48,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1291, PETRI_PLACES=584, PETRI_TRANSITIONS=583} [2024-11-09 07:00:48,688 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -27 predicate places. [2024-11-09 07:00:48,688 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 583 transitions, 1291 flow [2024-11-09 07:00:48,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 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) [2024-11-09 07:00:48,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:48,689 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, 1, 1] [2024-11-09 07:00:48,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 07:00:48,689 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:48,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:48,690 INFO L85 PathProgramCache]: Analyzing trace with hash -245544325, now seen corresponding path program 1 times [2024-11-09 07:00:48,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:48,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053218940] [2024-11-09 07:00:48,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:48,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:48,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:48,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053218940] [2024-11-09 07:00:48,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053218940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:48,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:48,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:48,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114992709] [2024-11-09 07:00:48,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:48,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:48,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:48,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:48,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:48,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 626 out of 655 [2024-11-09 07:00:48,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 583 transitions, 1291 flow. Second operand has 3 states, 3 states have (on average 628.3333333333334) internal successors, (1885), 3 states have internal predecessors, (1885), 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) [2024-11-09 07:00:48,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:48,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 626 of 655 [2024-11-09 07:00:48,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:49,416 INFO L124 PetriNetUnfolderBase]: 254/3174 cut-off events. [2024-11-09 07:00:49,417 INFO L125 PetriNetUnfolderBase]: For 114/211 co-relation queries the response was YES. [2024-11-09 07:00:49,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3669 conditions, 3174 events. 254/3174 cut-off events. For 114/211 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 24936 event pairs, 66 based on Foata normal form. 0/2735 useless extension candidates. Maximal degree in co-relation 3606. Up to 236 conditions per place. [2024-11-09 07:00:49,486 INFO L140 encePairwiseOnDemand]: 651/655 looper letters, 14 selfloop transitions, 3 changer transitions 0/586 dead transitions. [2024-11-09 07:00:49,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 586 transitions, 1333 flow [2024-11-09 07:00:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1896 transitions. [2024-11-09 07:00:49,489 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9648854961832061 [2024-11-09 07:00:49,490 INFO L175 Difference]: Start difference. First operand has 584 places, 583 transitions, 1291 flow. Second operand 3 states and 1896 transitions. [2024-11-09 07:00:49,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 586 transitions, 1333 flow [2024-11-09 07:00:49,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 586 transitions, 1329 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:49,499 INFO L231 Difference]: Finished difference. Result has 586 places, 584 transitions, 1305 flow [2024-11-09 07:00:49,500 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1305, PETRI_PLACES=586, PETRI_TRANSITIONS=584} [2024-11-09 07:00:49,501 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -25 predicate places. [2024-11-09 07:00:49,501 INFO L471 AbstractCegarLoop]: Abstraction has has 586 places, 584 transitions, 1305 flow [2024-11-09 07:00:49,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 628.3333333333334) internal successors, (1885), 3 states have internal predecessors, (1885), 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) [2024-11-09 07:00:49,501 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:49,501 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, 1, 1] [2024-11-09 07:00:49,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 07:00:49,502 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:49,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:49,502 INFO L85 PathProgramCache]: Analyzing trace with hash 894546295, now seen corresponding path program 1 times [2024-11-09 07:00:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:49,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091844749] [2024-11-09 07:00:49,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:49,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:49,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:49,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091844749] [2024-11-09 07:00:49,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091844749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:49,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:49,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:49,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398833114] [2024-11-09 07:00:49,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:49,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:49,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:49,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:49,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:49,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 626 out of 655 [2024-11-09 07:00:49,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 584 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 628.0) internal successors, (1884), 3 states have internal predecessors, (1884), 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) [2024-11-09 07:00:49,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:49,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 626 of 655 [2024-11-09 07:00:49,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:50,648 INFO L124 PetriNetUnfolderBase]: 299/3771 cut-off events. [2024-11-09 07:00:50,648 INFO L125 PetriNetUnfolderBase]: For 92/125 co-relation queries the response was YES. [2024-11-09 07:00:50,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4478 conditions, 3771 events. 299/3771 cut-off events. For 92/125 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 33338 event pairs, 72 based on Foata normal form. 0/3318 useless extension candidates. Maximal degree in co-relation 4389. Up to 227 conditions per place. [2024-11-09 07:00:50,744 INFO L140 encePairwiseOnDemand]: 651/655 looper letters, 14 selfloop transitions, 3 changer transitions 0/587 dead transitions. [2024-11-09 07:00:50,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 587 transitions, 1347 flow [2024-11-09 07:00:50,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1896 transitions. [2024-11-09 07:00:50,749 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9648854961832061 [2024-11-09 07:00:50,749 INFO L175 Difference]: Start difference. First operand has 586 places, 584 transitions, 1305 flow. Second operand 3 states and 1896 transitions. [2024-11-09 07:00:50,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 587 transitions, 1347 flow [2024-11-09 07:00:50,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 587 transitions, 1341 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:50,762 INFO L231 Difference]: Finished difference. Result has 588 places, 585 transitions, 1317 flow [2024-11-09 07:00:50,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1317, PETRI_PLACES=588, PETRI_TRANSITIONS=585} [2024-11-09 07:00:50,763 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -23 predicate places. [2024-11-09 07:00:50,763 INFO L471 AbstractCegarLoop]: Abstraction has has 588 places, 585 transitions, 1317 flow [2024-11-09 07:00:50,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 628.0) internal successors, (1884), 3 states have internal predecessors, (1884), 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) [2024-11-09 07:00:50,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:50,764 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, 1, 1, 1, 1] [2024-11-09 07:00:50,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 07:00:50,765 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:50,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:50,765 INFO L85 PathProgramCache]: Analyzing trace with hash -525151164, now seen corresponding path program 1 times [2024-11-09 07:00:50,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:50,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494304714] [2024-11-09 07:00:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:50,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:50,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:50,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494304714] [2024-11-09 07:00:50,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494304714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:50,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:50,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:50,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956621910] [2024-11-09 07:00:50,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:50,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:50,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:50,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:50,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:50,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 655 [2024-11-09 07:00:50,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 585 transitions, 1317 flow. Second operand has 3 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 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) [2024-11-09 07:00:50,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:50,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 655 [2024-11-09 07:00:50,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:52,052 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1791] thread2EXIT-->L124: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= |v_ULTIMATE.start_main_~t2~0#1_6| v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_~t2~0#1=|v_ULTIMATE.start_main_~t2~0#1_6|} AuxVars[] AssignedVars[][466], [673#(= |#race~n3~0| 0), Black: 737#(not |thread3Thread1of1ForFork1_#t~short19|), 687#(= |#race~count3~0| 0), 699#(= |#race~get1~0| 0), Black: 677#true, 655#(= |#race~n1~0| 0), Black: 742#(not |thread2Thread1of1ForFork0_#t~short10|), 740#true, Black: 681#true, 745#true, 683#(= |#race~count2~0| 0), Black: 685#true, 679#(= |#race~count1~0| 0), 667#(= |#race~n2~0| 0), 585#L124true, Black: 712#(<= ~n1~0 0), Black: 694#(not |thread1Thread1of1ForFork2_#t~short1|), Black: 718#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 720#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 726#(and (not |thread1Thread1of1ForFork2_#t~short1|) (<= ~n1~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 713#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 697#true, 401#$Ultimate##0true]) [2024-11-09 07:00:52,053 INFO L294 olderBase$Statistics]: this new event has 284 ancestors and is cut-off event [2024-11-09 07:00:52,053 INFO L297 olderBase$Statistics]: existing Event has 306 ancestors and is cut-off event [2024-11-09 07:00:52,053 INFO L297 olderBase$Statistics]: existing Event has 275 ancestors and is cut-off event [2024-11-09 07:00:52,053 INFO L297 olderBase$Statistics]: existing Event has 275 ancestors and is cut-off event [2024-11-09 07:00:52,218 INFO L124 PetriNetUnfolderBase]: 307/4941 cut-off events. [2024-11-09 07:00:52,218 INFO L125 PetriNetUnfolderBase]: For 60/125 co-relation queries the response was YES. [2024-11-09 07:00:52,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5630 conditions, 4941 events. 307/4941 cut-off events. For 60/125 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 43982 event pairs, 29 based on Foata normal form. 0/4343 useless extension candidates. Maximal degree in co-relation 5540. Up to 131 conditions per place. [2024-11-09 07:00:52,324 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/586 dead transitions. [2024-11-09 07:00:52,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 586 transitions, 1353 flow [2024-11-09 07:00:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1892 transitions. [2024-11-09 07:00:52,329 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9628498727735368 [2024-11-09 07:00:52,329 INFO L175 Difference]: Start difference. First operand has 588 places, 585 transitions, 1317 flow. Second operand 3 states and 1892 transitions. [2024-11-09 07:00:52,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 586 transitions, 1353 flow [2024-11-09 07:00:52,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 586 transitions, 1347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:52,343 INFO L231 Difference]: Finished difference. Result has 587 places, 584 transitions, 1313 flow [2024-11-09 07:00:52,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1309, PETRI_DIFFERENCE_MINUEND_PLACES=585, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1313, PETRI_PLACES=587, PETRI_TRANSITIONS=584} [2024-11-09 07:00:52,344 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -24 predicate places. [2024-11-09 07:00:52,344 INFO L471 AbstractCegarLoop]: Abstraction has has 587 places, 584 transitions, 1313 flow [2024-11-09 07:00:52,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 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) [2024-11-09 07:00:52,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:52,346 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, 1, 1, 1, 1, 1] [2024-11-09 07:00:52,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 07:00:52,346 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:52,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:52,347 INFO L85 PathProgramCache]: Analyzing trace with hash 38540104, now seen corresponding path program 1 times [2024-11-09 07:00:52,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:52,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850063132] [2024-11-09 07:00:52,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:52,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:52,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:52,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850063132] [2024-11-09 07:00:52,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850063132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:52,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:52,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:52,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697338552] [2024-11-09 07:00:52,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:52,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:52,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:52,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:52,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:52,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2024-11-09 07:00:52,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 584 transitions, 1313 flow. Second operand has 3 states, 3 states have (on average 623.0) internal successors, (1869), 3 states have internal predecessors, (1869), 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) [2024-11-09 07:00:52,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:52,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2024-11-09 07:00:52,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:53,524 INFO L124 PetriNetUnfolderBase]: 369/4945 cut-off events. [2024-11-09 07:00:53,524 INFO L125 PetriNetUnfolderBase]: For 60/84 co-relation queries the response was YES. [2024-11-09 07:00:53,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5814 conditions, 4945 events. 369/4945 cut-off events. For 60/84 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 43310 event pairs, 45 based on Foata normal form. 0/4405 useless extension candidates. Maximal degree in co-relation 5754. Up to 325 conditions per place. [2024-11-09 07:00:53,648 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 20 selfloop transitions, 2 changer transitions 0/587 dead transitions. [2024-11-09 07:00:53,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 585 places, 587 transitions, 1368 flow [2024-11-09 07:00:53,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1889 transitions. [2024-11-09 07:00:53,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961323155216285 [2024-11-09 07:00:53,651 INFO L175 Difference]: Start difference. First operand has 587 places, 584 transitions, 1313 flow. Second operand 3 states and 1889 transitions. [2024-11-09 07:00:53,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 585 places, 587 transitions, 1368 flow [2024-11-09 07:00:53,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 587 transitions, 1364 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:53,661 INFO L231 Difference]: Finished difference. Result has 584 places, 582 transitions, 1315 flow [2024-11-09 07:00:53,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1315, PETRI_PLACES=584, PETRI_TRANSITIONS=582} [2024-11-09 07:00:53,662 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -27 predicate places. [2024-11-09 07:00:53,662 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 582 transitions, 1315 flow [2024-11-09 07:00:53,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 623.0) internal successors, (1869), 3 states have internal predecessors, (1869), 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) [2024-11-09 07:00:53,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:53,663 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, 1, 1, 1, 1, 1] [2024-11-09 07:00:53,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 07:00:53,663 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:53,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:53,664 INFO L85 PathProgramCache]: Analyzing trace with hash -598679417, now seen corresponding path program 1 times [2024-11-09 07:00:53,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:53,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696849134] [2024-11-09 07:00:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:53,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:53,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:53,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696849134] [2024-11-09 07:00:53,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696849134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:53,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:53,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 07:00:53,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677231075] [2024-11-09 07:00:53,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:53,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:00:53,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:00:53,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:00:54,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2024-11-09 07:00:54,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 582 transitions, 1315 flow. Second operand has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 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) [2024-11-09 07:00:54,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:54,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2024-11-09 07:00:54,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:55,432 INFO L124 PetriNetUnfolderBase]: 394/4918 cut-off events. [2024-11-09 07:00:55,433 INFO L125 PetriNetUnfolderBase]: For 95/173 co-relation queries the response was YES. [2024-11-09 07:00:55,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6004 conditions, 4918 events. 394/4918 cut-off events. For 95/173 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 44741 event pairs, 108 based on Foata normal form. 8/4389 useless extension candidates. Maximal degree in co-relation 5912. Up to 341 conditions per place. [2024-11-09 07:00:55,550 INFO L140 encePairwiseOnDemand]: 640/655 looper letters, 70 selfloop transitions, 16 changer transitions 0/616 dead transitions. [2024-11-09 07:00:55,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 616 transitions, 1571 flow [2024-11-09 07:00:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 07:00:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 07:00:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6620 transitions. [2024-11-09 07:00:55,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9188063844552394 [2024-11-09 07:00:55,560 INFO L175 Difference]: Start difference. First operand has 584 places, 582 transitions, 1315 flow. Second operand 11 states and 6620 transitions. [2024-11-09 07:00:55,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 616 transitions, 1571 flow [2024-11-09 07:00:55,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 616 transitions, 1571 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:55,570 INFO L231 Difference]: Finished difference. Result has 597 places, 586 transitions, 1378 flow [2024-11-09 07:00:55,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1315, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1378, PETRI_PLACES=597, PETRI_TRANSITIONS=586} [2024-11-09 07:00:55,570 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -14 predicate places. [2024-11-09 07:00:55,571 INFO L471 AbstractCegarLoop]: Abstraction has has 597 places, 586 transitions, 1378 flow [2024-11-09 07:00:55,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 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) [2024-11-09 07:00:55,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:55,572 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:55,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 07:00:55,573 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:55,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:55,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1455026926, now seen corresponding path program 1 times [2024-11-09 07:00:55,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:55,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507353013] [2024-11-09 07:00:55,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:55,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:55,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:55,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507353013] [2024-11-09 07:00:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507353013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:55,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:55,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278225965] [2024-11-09 07:00:55,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:55,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:55,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:55,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:55,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:55,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 655 [2024-11-09 07:00:55,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 586 transitions, 1378 flow. Second operand has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 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) [2024-11-09 07:00:55,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:55,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 655 [2024-11-09 07:00:55,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:56,297 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1792] thread3EXIT-->L125: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork1_thidvar0_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4)) InVars {ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][471], [Black: 757#(<= ~n1~0 0), Black: 758#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork0_~i~1 0)), 687#(= |#race~count3~0| 0), Black: 771#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork0_~i~1 0) (not |thread2Thread1of1ForFork0_#t~short10|)), 683#(= |#race~count2~0| 0), 679#(= |#race~count1~0| 0), Black: 712#(<= ~n1~0 0), Black: 718#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 720#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 726#(and (not |thread1Thread1of1ForFork2_#t~short1|) (<= ~n1~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), 752#true, Black: 713#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), 258#L125true, 673#(= |#race~n3~0| 0), Black: 737#(not |thread3Thread1of1ForFork1_#t~short19|), 699#(= |#race~get1~0| 0), Black: 677#true, Black: 742#(not |thread2Thread1of1ForFork0_#t~short10|), 655#(= |#race~n1~0| 0), Black: 681#true, Black: 748#true, Black: 685#true, 775#true, 667#(= |#race~n2~0| 0), Black: 694#(not |thread1Thread1of1ForFork2_#t~short1|), 750#(= |#race~get2~0| 0), Black: 697#true]) [2024-11-09 07:00:56,297 INFO L294 olderBase$Statistics]: this new event has 294 ancestors and is not cut-off event [2024-11-09 07:00:56,298 INFO L297 olderBase$Statistics]: existing Event has 294 ancestors and is not cut-off event [2024-11-09 07:00:56,298 INFO L297 olderBase$Statistics]: existing Event has 325 ancestors and is not cut-off event [2024-11-09 07:00:56,298 INFO L297 olderBase$Statistics]: existing Event has 325 ancestors and is not cut-off event [2024-11-09 07:00:56,318 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1792] thread3EXIT-->L125: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork1_thidvar0_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4)) InVars {ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][471], [Black: 757#(<= ~n1~0 0), Black: 758#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork0_~i~1 0)), 687#(= |#race~count3~0| 0), Black: 771#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork0_~i~1 0) (not |thread2Thread1of1ForFork0_#t~short10|)), 683#(= |#race~count2~0| 0), 679#(= |#race~count1~0| 0), Black: 712#(<= ~n1~0 0), Black: 718#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 720#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 726#(and (not |thread1Thread1of1ForFork2_#t~short1|) (<= ~n1~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), 752#true, Black: 713#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), 258#L125true, 673#(= |#race~n3~0| 0), Black: 737#(not |thread3Thread1of1ForFork1_#t~short19|), 699#(= |#race~get1~0| 0), Black: 677#true, Black: 742#(not |thread2Thread1of1ForFork0_#t~short10|), 655#(= |#race~n1~0| 0), Black: 681#true, Black: 748#true, Black: 685#true, 667#(= |#race~n2~0| 0), 775#true, Black: 694#(not |thread1Thread1of1ForFork2_#t~short1|), 750#(= |#race~get2~0| 0), Black: 697#true]) [2024-11-09 07:00:56,318 INFO L294 olderBase$Statistics]: this new event has 303 ancestors and is cut-off event [2024-11-09 07:00:56,318 INFO L297 olderBase$Statistics]: existing Event has 294 ancestors and is cut-off event [2024-11-09 07:00:56,318 INFO L297 olderBase$Statistics]: existing Event has 325 ancestors and is cut-off event [2024-11-09 07:00:56,318 INFO L297 olderBase$Statistics]: existing Event has 325 ancestors and is cut-off event [2024-11-09 07:00:56,319 INFO L297 olderBase$Statistics]: existing Event has 294 ancestors and is cut-off event [2024-11-09 07:00:56,343 INFO L124 PetriNetUnfolderBase]: 245/2948 cut-off events. [2024-11-09 07:00:56,343 INFO L125 PetriNetUnfolderBase]: For 111/149 co-relation queries the response was YES. [2024-11-09 07:00:56,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3677 conditions, 2948 events. 245/2948 cut-off events. For 111/149 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 22558 event pairs, 42 based on Foata normal form. 2/2643 useless extension candidates. Maximal degree in co-relation 3580. Up to 210 conditions per place. [2024-11-09 07:00:56,391 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/587 dead transitions. [2024-11-09 07:00:56,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 587 transitions, 1414 flow [2024-11-09 07:00:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:56,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1892 transitions. [2024-11-09 07:00:56,393 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9628498727735368 [2024-11-09 07:00:56,393 INFO L175 Difference]: Start difference. First operand has 597 places, 586 transitions, 1378 flow. Second operand 3 states and 1892 transitions. [2024-11-09 07:00:56,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 587 transitions, 1414 flow [2024-11-09 07:00:56,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 587 transitions, 1393 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-09 07:00:56,401 INFO L231 Difference]: Finished difference. Result has 591 places, 585 transitions, 1359 flow [2024-11-09 07:00:56,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1355, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1359, PETRI_PLACES=591, PETRI_TRANSITIONS=585} [2024-11-09 07:00:56,402 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -20 predicate places. [2024-11-09 07:00:56,402 INFO L471 AbstractCegarLoop]: Abstraction has has 591 places, 585 transitions, 1359 flow [2024-11-09 07:00:56,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 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) [2024-11-09 07:00:56,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:56,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:56,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 07:00:56,403 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:56,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash 657299342, now seen corresponding path program 1 times [2024-11-09 07:00:56,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:56,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116649743] [2024-11-09 07:00:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:56,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:56,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:56,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116649743] [2024-11-09 07:00:56,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116649743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:56,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:56,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 07:00:56,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147176493] [2024-11-09 07:00:56,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:56,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:00:56,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:56,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:00:56,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:00:57,048 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2024-11-09 07:00:57,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 585 transitions, 1359 flow. Second operand has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 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) [2024-11-09 07:00:57,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:57,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2024-11-09 07:00:57,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:58,529 INFO L124 PetriNetUnfolderBase]: 517/5084 cut-off events. [2024-11-09 07:00:58,529 INFO L125 PetriNetUnfolderBase]: For 327/495 co-relation queries the response was YES. [2024-11-09 07:00:58,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6820 conditions, 5084 events. 517/5084 cut-off events. For 327/495 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 46594 event pairs, 175 based on Foata normal form. 22/4592 useless extension candidates. Maximal degree in co-relation 6722. Up to 680 conditions per place. [2024-11-09 07:00:58,627 INFO L140 encePairwiseOnDemand]: 640/655 looper letters, 66 selfloop transitions, 16 changer transitions 0/615 dead transitions. [2024-11-09 07:00:58,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 615 transitions, 1599 flow [2024-11-09 07:00:58,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 07:00:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 07:00:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6611 transitions. [2024-11-09 07:00:58,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.917557251908397 [2024-11-09 07:00:58,635 INFO L175 Difference]: Start difference. First operand has 591 places, 585 transitions, 1359 flow. Second operand 11 states and 6611 transitions. [2024-11-09 07:00:58,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 615 transitions, 1599 flow [2024-11-09 07:00:58,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 615 transitions, 1595 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:58,652 INFO L231 Difference]: Finished difference. Result has 604 places, 594 transitions, 1439 flow [2024-11-09 07:00:58,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1355, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1439, PETRI_PLACES=604, PETRI_TRANSITIONS=594} [2024-11-09 07:00:58,653 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, -7 predicate places. [2024-11-09 07:00:58,653 INFO L471 AbstractCegarLoop]: Abstraction has has 604 places, 594 transitions, 1439 flow [2024-11-09 07:00:58,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 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) [2024-11-09 07:00:58,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:58,655 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:58,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 07:00:58,655 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:00:58,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash -672350260, now seen corresponding path program 1 times [2024-11-09 07:00:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:58,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289622823] [2024-11-09 07:00:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:58,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:00:58,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:58,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289622823] [2024-11-09 07:00:58,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289622823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:58,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:58,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 07:00:58,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740704874] [2024-11-09 07:00:58,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:58,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:00:58,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:58,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:00:58,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:00:59,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2024-11-09 07:00:59,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 594 transitions, 1439 flow. Second operand has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 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) [2024-11-09 07:00:59,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:59,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2024-11-09 07:00:59,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:01,232 INFO L124 PetriNetUnfolderBase]: 412/5900 cut-off events. [2024-11-09 07:01:01,232 INFO L125 PetriNetUnfolderBase]: For 179/209 co-relation queries the response was YES. [2024-11-09 07:01:01,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 5900 events. 412/5900 cut-off events. For 179/209 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 55316 event pairs, 52 based on Foata normal form. 2/5387 useless extension candidates. Maximal degree in co-relation 7561. Up to 214 conditions per place. [2024-11-09 07:01:01,350 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 71 selfloop transitions, 24 changer transitions 0/628 dead transitions. [2024-11-09 07:01:01,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 628 transitions, 1745 flow [2024-11-09 07:01:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 07:01:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 07:01:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7210 transitions. [2024-11-09 07:01:01,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9173027989821882 [2024-11-09 07:01:01,356 INFO L175 Difference]: Start difference. First operand has 604 places, 594 transitions, 1439 flow. Second operand 12 states and 7210 transitions. [2024-11-09 07:01:01,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 628 transitions, 1745 flow [2024-11-09 07:01:01,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 628 transitions, 1741 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:01:01,369 INFO L231 Difference]: Finished difference. Result has 618 places, 603 transitions, 1568 flow [2024-11-09 07:01:01,369 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1568, PETRI_PLACES=618, PETRI_TRANSITIONS=603} [2024-11-09 07:01:01,369 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, 7 predicate places. [2024-11-09 07:01:01,370 INFO L471 AbstractCegarLoop]: Abstraction has has 618 places, 603 transitions, 1568 flow [2024-11-09 07:01:01,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 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) [2024-11-09 07:01:01,371 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:01,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:01,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 07:01:01,372 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:01:01,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:01,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1226939412, now seen corresponding path program 1 times [2024-11-09 07:01:01,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:01,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25153569] [2024-11-09 07:01:01,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:01,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:01:01,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25153569] [2024-11-09 07:01:01,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25153569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:01,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:01,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 07:01:01,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019695768] [2024-11-09 07:01:01,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:01,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:01:01,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:01,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:01:01,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:01:01,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2024-11-09 07:01:01,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 603 transitions, 1568 flow. Second operand has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 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) [2024-11-09 07:01:01,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:01,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2024-11-09 07:01:01,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:04,667 INFO L124 PetriNetUnfolderBase]: 933/11346 cut-off events. [2024-11-09 07:01:04,667 INFO L125 PetriNetUnfolderBase]: For 719/862 co-relation queries the response was YES. [2024-11-09 07:01:04,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15212 conditions, 11346 events. 933/11346 cut-off events. For 719/862 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 128035 event pairs, 171 based on Foata normal form. 8/10333 useless extension candidates. Maximal degree in co-relation 15100. Up to 512 conditions per place. [2024-11-09 07:01:05,036 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 67 selfloop transitions, 24 changer transitions 0/633 dead transitions. [2024-11-09 07:01:05,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 633 transitions, 1858 flow [2024-11-09 07:01:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 07:01:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-09 07:01:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7201 transitions. [2024-11-09 07:01:05,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9161577608142494 [2024-11-09 07:01:05,052 INFO L175 Difference]: Start difference. First operand has 618 places, 603 transitions, 1568 flow. Second operand 12 states and 7201 transitions. [2024-11-09 07:01:05,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 633 transitions, 1858 flow [2024-11-09 07:01:05,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 633 transitions, 1841 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 07:01:05,083 INFO L231 Difference]: Finished difference. Result has 629 places, 617 transitions, 1705 flow [2024-11-09 07:01:05,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1551, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1705, PETRI_PLACES=629, PETRI_TRANSITIONS=617} [2024-11-09 07:01:05,084 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, 18 predicate places. [2024-11-09 07:01:05,084 INFO L471 AbstractCegarLoop]: Abstraction has has 629 places, 617 transitions, 1705 flow [2024-11-09 07:01:05,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 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) [2024-11-09 07:01:05,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:05,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:05,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 07:01:05,090 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:01:05,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:05,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1359405079, now seen corresponding path program 1 times [2024-11-09 07:01:05,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:05,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999963558] [2024-11-09 07:01:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:05,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:01:05,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:05,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999963558] [2024-11-09 07:01:05,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999963558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:05,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:05,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 07:01:05,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215097177] [2024-11-09 07:01:05,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:05,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:01:05,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:05,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:01:05,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:01:06,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2024-11-09 07:01:06,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 617 transitions, 1705 flow. Second operand has 8 states, 8 states have (on average 598.5) internal successors, (4788), 8 states have internal predecessors, (4788), 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) [2024-11-09 07:01:06,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:06,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2024-11-09 07:01:06,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:08,237 INFO L124 PetriNetUnfolderBase]: 714/6923 cut-off events. [2024-11-09 07:01:08,237 INFO L125 PetriNetUnfolderBase]: For 1164/1353 co-relation queries the response was YES. [2024-11-09 07:01:08,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10199 conditions, 6923 events. 714/6923 cut-off events. For 1164/1353 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 68420 event pairs, 221 based on Foata normal form. 0/6328 useless extension candidates. Maximal degree in co-relation 10077. Up to 849 conditions per place. [2024-11-09 07:01:08,358 INFO L140 encePairwiseOnDemand]: 639/655 looper letters, 69 selfloop transitions, 20 changer transitions 0/640 dead transitions. [2024-11-09 07:01:08,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 639 places, 640 transitions, 1975 flow [2024-11-09 07:01:08,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 07:01:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 07:01:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6604 transitions. [2024-11-09 07:01:08,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.916585704371964 [2024-11-09 07:01:08,364 INFO L175 Difference]: Start difference. First operand has 629 places, 617 transitions, 1705 flow. Second operand 11 states and 6604 transitions. [2024-11-09 07:01:08,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 639 places, 640 transitions, 1975 flow [2024-11-09 07:01:08,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 640 transitions, 1975 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:01:08,380 INFO L231 Difference]: Finished difference. Result has 642 places, 625 transitions, 1822 flow [2024-11-09 07:01:08,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1705, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=617, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=597, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1822, PETRI_PLACES=642, PETRI_TRANSITIONS=625} [2024-11-09 07:01:08,380 INFO L277 CegarLoopForPetriNet]: 611 programPoint places, 31 predicate places. [2024-11-09 07:01:08,381 INFO L471 AbstractCegarLoop]: Abstraction has has 642 places, 625 transitions, 1822 flow [2024-11-09 07:01:08,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.5) internal successors, (4788), 8 states have internal predecessors, (4788), 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) [2024-11-09 07:01:08,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:08,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:08,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 07:01:08,382 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2024-11-09 07:01:08,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:08,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1191969725, now seen corresponding path program 1 times [2024-11-09 07:01:08,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:08,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331723529] [2024-11-09 07:01:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:08,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat