./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/goblint-regression/09-regions_03-list2_rc.i -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 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:49:40,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:49:40,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:49:40,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:49:40,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:49:40,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:49:40,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:49:40,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:49:40,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:49:40,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:49:40,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:49:40,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:49:40,323 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:49:40,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:49:40,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:49:40,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:49:40,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:49:40,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:49:40,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:49:40,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:49:40,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:49:40,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:49:40,330 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:49:40,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:49:40,331 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:49:40,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:49:40,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:49:40,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:49:40,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:49:40,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:49:40,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:49:40,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:40,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:49:40,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:49:40,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:49:40,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:49:40,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:49:40,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:49:40,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:49:40,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:49:40,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:49:40,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 [2024-11-19 05:49:40,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:49:40,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:49:40,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:49:40,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:49:40,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:49:40,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2024-11-19 05:49:42,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:49:42,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:49:42,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2024-11-19 05:49:42,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5faee45/8e31476f6f6f491396400d614086ecce/FLAGffaa9b491 [2024-11-19 05:49:42,760 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5faee45/8e31476f6f6f491396400d614086ecce [2024-11-19 05:49:42,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:49:42,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:49:42,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:42,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:49:42,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:49:42,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:42" (1/1) ... [2024-11-19 05:49:42,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f894a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:42, skipping insertion in model container [2024-11-19 05:49:42,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:42" (1/1) ... [2024-11-19 05:49:42,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:49:43,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:43,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:49:43,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:43,632 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:49:43,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43 WrapperNode [2024-11-19 05:49:43,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:43,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:43,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:49:43,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:49:43,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,710 INFO L138 Inliner]: procedures = 368, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 177 [2024-11-19 05:49:43,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:43,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:49:43,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:49:43,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:49:43,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:49:43,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:49:43,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:49:43,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:49:43,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (1/1) ... [2024-11-19 05:49:43,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:43,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:43,800 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) [2024-11-19 05:49:43,802 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 [2024-11-19 05:49:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:49:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:49:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:49:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:49:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:49:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:49:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:49:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:49:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:49:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:49:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:49:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:49:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:49:43,847 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:49:43,985 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:49:43,986 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:49:44,484 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:49:44,485 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:49:44,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:49:44,533 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:49:44,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:44 BoogieIcfgContainer [2024-11-19 05:49:44,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:49:44,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:49:44,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:49:44,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:49:44,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:49:42" (1/3) ... [2024-11-19 05:49:44,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523478d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:44, skipping insertion in model container [2024-11-19 05:49:44,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:43" (2/3) ... [2024-11-19 05:49:44,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523478d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:44, skipping insertion in model container [2024-11-19 05:49:44,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:44" (3/3) ... [2024-11-19 05:49:44,542 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2024-11-19 05:49:44,560 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:49:44,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-19 05:49:44,560 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:49:44,661 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:49:44,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 276 transitions, 556 flow [2024-11-19 05:49:44,808 INFO L124 PetriNetUnfolderBase]: 0/275 cut-off events. [2024-11-19 05:49:44,810 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:44,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 275 events. 0/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 160 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-19 05:49:44,815 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 276 transitions, 556 flow [2024-11-19 05:49:44,824 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 275 transitions, 553 flow [2024-11-19 05:49:44,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:49:44,845 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;@516a7e0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:49:44,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-19 05:49:44,854 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:49:44,855 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-19 05:49:44,855 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:44,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:44,856 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] [2024-11-19 05:49:44,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:44,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:44,864 INFO L85 PathProgramCache]: Analyzing trace with hash -528824746, now seen corresponding path program 1 times [2024-11-19 05:49:44,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:44,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416962023] [2024-11-19 05:49:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:44,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:45,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:45,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416962023] [2024-11-19 05:49:45,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416962023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:45,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:45,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:45,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305795084] [2024-11-19 05:49:45,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:45,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:45,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:45,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:45,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:46,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 276 [2024-11-19 05:49:46,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 275 transitions, 553 flow. Second operand has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:46,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:46,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 276 [2024-11-19 05:49:46,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:47,098 INFO L124 PetriNetUnfolderBase]: 560/2325 cut-off events. [2024-11-19 05:49:47,099 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:47,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3537 conditions, 2325 events. 560/2325 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 14858 event pairs, 560 based on Foata normal form. 0/2115 useless extension candidates. Maximal degree in co-relation 3350. Up to 1193 conditions per place. [2024-11-19 05:49:47,122 INFO L140 encePairwiseOnDemand]: 258/276 looper letters, 72 selfloop transitions, 15 changer transitions 0/272 dead transitions. [2024-11-19 05:49:47,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 272 transitions, 721 flow [2024-11-19 05:49:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:47,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1206 transitions. [2024-11-19 05:49:47,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7282608695652174 [2024-11-19 05:49:47,144 INFO L175 Difference]: Start difference. First operand has 279 places, 275 transitions, 553 flow. Second operand 6 states and 1206 transitions. [2024-11-19 05:49:47,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 272 transitions, 721 flow [2024-11-19 05:49:47,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 272 transitions, 720 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:47,203 INFO L231 Difference]: Finished difference. Result has 280 places, 272 transitions, 576 flow [2024-11-19 05:49:47,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=576, PETRI_PLACES=280, PETRI_TRANSITIONS=272} [2024-11-19 05:49:47,211 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 1 predicate places. [2024-11-19 05:49:47,211 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 272 transitions, 576 flow [2024-11-19 05:49:47,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:47,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:47,212 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] [2024-11-19 05:49:47,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:49:47,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:47,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:47,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1092997858, now seen corresponding path program 1 times [2024-11-19 05:49:47,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:47,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563736747] [2024-11-19 05:49:47,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:47,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:47,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:47,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563736747] [2024-11-19 05:49:47,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563736747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:47,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:47,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:47,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596235631] [2024-11-19 05:49:47,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:47,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:47,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:47,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:47,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:48,147 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 276 [2024-11-19 05:49:48,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 272 transitions, 576 flow. Second operand has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:48,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:48,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 276 [2024-11-19 05:49:48,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:48,503 INFO L124 PetriNetUnfolderBase]: 560/2322 cut-off events. [2024-11-19 05:49:48,504 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:48,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3549 conditions, 2322 events. 560/2322 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 14859 event pairs, 560 based on Foata normal form. 0/2115 useless extension candidates. Maximal degree in co-relation 3391. Up to 1193 conditions per place. [2024-11-19 05:49:48,513 INFO L140 encePairwiseOnDemand]: 258/276 looper letters, 72 selfloop transitions, 15 changer transitions 0/269 dead transitions. [2024-11-19 05:49:48,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 269 transitions, 744 flow [2024-11-19 05:49:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1206 transitions. [2024-11-19 05:49:48,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7282608695652174 [2024-11-19 05:49:48,517 INFO L175 Difference]: Start difference. First operand has 280 places, 272 transitions, 576 flow. Second operand 6 states and 1206 transitions. [2024-11-19 05:49:48,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 269 transitions, 744 flow [2024-11-19 05:49:48,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 269 transitions, 714 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:48,524 INFO L231 Difference]: Finished difference. Result has 277 places, 269 transitions, 570 flow [2024-11-19 05:49:48,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=277, PETRI_TRANSITIONS=269} [2024-11-19 05:49:48,530 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -2 predicate places. [2024-11-19 05:49:48,534 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 269 transitions, 570 flow [2024-11-19 05:49:48,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:49:48,539 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:48,539 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] [2024-11-19 05:49:48,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:49:48,539 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:48,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:48,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1560868144, now seen corresponding path program 1 times [2024-11-19 05:49:48,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:48,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844871389] [2024-11-19 05:49:48,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:48,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:48,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:48,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844871389] [2024-11-19 05:49:48,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844871389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:48,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:48,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:48,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042755113] [2024-11-19 05:49:48,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:48,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:48,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:48,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:48,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:48,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 276 [2024-11-19 05:49:48,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 269 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2024-11-19 05:49:48,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:48,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 276 [2024-11-19 05:49:48,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:48,729 INFO L124 PetriNetUnfolderBase]: 30/718 cut-off events. [2024-11-19 05:49:48,729 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:48,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 718 events. 30/718 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2616 event pairs, 30 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 671. Up to 78 conditions per place. [2024-11-19 05:49:48,732 INFO L140 encePairwiseOnDemand]: 273/276 looper letters, 17 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2024-11-19 05:49:48,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 268 transitions, 606 flow [2024-11-19 05:49:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2024-11-19 05:49:48,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9516908212560387 [2024-11-19 05:49:48,734 INFO L175 Difference]: Start difference. First operand has 277 places, 269 transitions, 570 flow. Second operand 3 states and 788 transitions. [2024-11-19 05:49:48,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 268 transitions, 606 flow [2024-11-19 05:49:48,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 268 transitions, 576 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:48,738 INFO L231 Difference]: Finished difference. Result has 273 places, 268 transitions, 542 flow [2024-11-19 05:49:48,739 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=273, PETRI_TRANSITIONS=268} [2024-11-19 05:49:48,739 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -6 predicate places. [2024-11-19 05:49:48,740 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 268 transitions, 542 flow [2024-11-19 05:49:48,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2024-11-19 05:49:48,740 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:48,741 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:48,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:49:48,741 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:48,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:48,742 INFO L85 PathProgramCache]: Analyzing trace with hash -388730026, now seen corresponding path program 1 times [2024-11-19 05:49:48,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:48,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867824295] [2024-11-19 05:49:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:48,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:48,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867824295] [2024-11-19 05:49:48,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867824295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:48,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:48,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588504621] [2024-11-19 05:49:48,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:48,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:48,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:48,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:48,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:48,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 276 [2024-11-19 05:49:48,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 268 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2024-11-19 05:49:48,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:48,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 276 [2024-11-19 05:49:48,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:48,887 INFO L124 PetriNetUnfolderBase]: 36/750 cut-off events. [2024-11-19 05:49:48,888 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:48,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 750 events. 36/750 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2996 event pairs, 36 based on Foata normal form. 0/681 useless extension candidates. Maximal degree in co-relation 788. Up to 89 conditions per place. [2024-11-19 05:49:48,891 INFO L140 encePairwiseOnDemand]: 271/276 looper letters, 17 selfloop transitions, 1 changer transitions 0/264 dead transitions. [2024-11-19 05:49:48,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 264 transitions, 570 flow [2024-11-19 05:49:48,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2024-11-19 05:49:48,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2024-11-19 05:49:48,894 INFO L175 Difference]: Start difference. First operand has 273 places, 268 transitions, 542 flow. Second operand 3 states and 784 transitions. [2024-11-19 05:49:48,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 264 transitions, 570 flow [2024-11-19 05:49:48,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 264 transitions, 566 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:49:48,898 INFO L231 Difference]: Finished difference. Result has 269 places, 264 transitions, 532 flow [2024-11-19 05:49:48,899 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=269, PETRI_TRANSITIONS=264} [2024-11-19 05:49:48,900 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -10 predicate places. [2024-11-19 05:49:48,900 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 264 transitions, 532 flow [2024-11-19 05:49:48,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2024-11-19 05:49:48,901 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:48,901 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:48,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:49:48,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:48,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:48,902 INFO L85 PathProgramCache]: Analyzing trace with hash -744891557, now seen corresponding path program 1 times [2024-11-19 05:49:48,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:48,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337731375] [2024-11-19 05:49:48,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:48,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:49,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:49,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337731375] [2024-11-19 05:49:49,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337731375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:49,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:49,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:49,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808445564] [2024-11-19 05:49:49,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:49,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:49,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:49,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:49,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:49,699 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 276 [2024-11-19 05:49:49,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 264 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2024-11-19 05:49:49,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:49,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 276 [2024-11-19 05:49:49,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:50,052 INFO L124 PetriNetUnfolderBase]: 638/2519 cut-off events. [2024-11-19 05:49:50,053 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:50,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3891 conditions, 2519 events. 638/2519 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 16283 event pairs, 638 based on Foata normal form. 0/2317 useless extension candidates. Maximal degree in co-relation 3822. Up to 1362 conditions per place. [2024-11-19 05:49:50,065 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 85 selfloop transitions, 5 changer transitions 0/263 dead transitions. [2024-11-19 05:49:50,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 263 transitions, 710 flow [2024-11-19 05:49:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1201 transitions. [2024-11-19 05:49:50,069 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7252415458937198 [2024-11-19 05:49:50,069 INFO L175 Difference]: Start difference. First operand has 269 places, 264 transitions, 532 flow. Second operand 6 states and 1201 transitions. [2024-11-19 05:49:50,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 263 transitions, 710 flow [2024-11-19 05:49:50,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 263 transitions, 709 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:50,074 INFO L231 Difference]: Finished difference. Result has 272 places, 263 transitions, 539 flow [2024-11-19 05:49:50,074 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=539, PETRI_PLACES=272, PETRI_TRANSITIONS=263} [2024-11-19 05:49:50,075 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -7 predicate places. [2024-11-19 05:49:50,075 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 263 transitions, 539 flow [2024-11-19 05:49:50,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2024-11-19 05:49:50,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:50,077 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] [2024-11-19 05:49:50,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:49:50,077 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:50,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:50,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1605273385, now seen corresponding path program 1 times [2024-11-19 05:49:50,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:50,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965578609] [2024-11-19 05:49:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:50,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:50,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965578609] [2024-11-19 05:49:50,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965578609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:50,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:50,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:50,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895192862] [2024-11-19 05:49:50,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:50,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:50,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:50,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:50,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:50,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 276 [2024-11-19 05:49:50,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 263 transitions, 539 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2024-11-19 05:49:50,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:50,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 276 [2024-11-19 05:49:50,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:50,252 INFO L124 PetriNetUnfolderBase]: 30/706 cut-off events. [2024-11-19 05:49:50,252 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:50,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 706 events. 30/706 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2689 event pairs, 30 based on Foata normal form. 0/645 useless extension candidates. Maximal degree in co-relation 737. Up to 78 conditions per place. [2024-11-19 05:49:50,256 INFO L140 encePairwiseOnDemand]: 273/276 looper letters, 17 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2024-11-19 05:49:50,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 262 transitions, 575 flow [2024-11-19 05:49:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2024-11-19 05:49:50,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9516908212560387 [2024-11-19 05:49:50,259 INFO L175 Difference]: Start difference. First operand has 272 places, 263 transitions, 539 flow. Second operand 3 states and 788 transitions. [2024-11-19 05:49:50,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 262 transitions, 575 flow [2024-11-19 05:49:50,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 262 transitions, 565 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:50,263 INFO L231 Difference]: Finished difference. Result has 268 places, 262 transitions, 531 flow [2024-11-19 05:49:50,263 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=268, PETRI_TRANSITIONS=262} [2024-11-19 05:49:50,264 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -11 predicate places. [2024-11-19 05:49:50,264 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 262 transitions, 531 flow [2024-11-19 05:49:50,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2024-11-19 05:49:50,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:50,265 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] [2024-11-19 05:49:50,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:49:50,266 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:50,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:50,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1215126668, now seen corresponding path program 1 times [2024-11-19 05:49:50,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:50,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749870700] [2024-11-19 05:49:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:50,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:50,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:50,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:50,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749870700] [2024-11-19 05:49:50,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749870700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:50,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:50,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:50,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443264517] [2024-11-19 05:49:50,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:50,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:50,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:50,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:50,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:50,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 276 [2024-11-19 05:49:50,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 262 transitions, 531 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2024-11-19 05:49:50,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:50,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 276 [2024-11-19 05:49:50,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:50,437 INFO L124 PetriNetUnfolderBase]: 36/734 cut-off events. [2024-11-19 05:49:50,437 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:50,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 734 events. 36/734 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2925 event pairs, 36 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 774. Up to 89 conditions per place. [2024-11-19 05:49:50,440 INFO L140 encePairwiseOnDemand]: 271/276 looper letters, 17 selfloop transitions, 1 changer transitions 0/258 dead transitions. [2024-11-19 05:49:50,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 258 transitions, 559 flow [2024-11-19 05:49:50,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2024-11-19 05:49:50,442 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2024-11-19 05:49:50,443 INFO L175 Difference]: Start difference. First operand has 268 places, 262 transitions, 531 flow. Second operand 3 states and 784 transitions. [2024-11-19 05:49:50,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 258 transitions, 559 flow [2024-11-19 05:49:50,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 258 transitions, 555 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:49:50,447 INFO L231 Difference]: Finished difference. Result has 264 places, 258 transitions, 521 flow [2024-11-19 05:49:50,447 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=521, PETRI_PLACES=264, PETRI_TRANSITIONS=258} [2024-11-19 05:49:50,448 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -15 predicate places. [2024-11-19 05:49:50,448 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 258 transitions, 521 flow [2024-11-19 05:49:50,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2024-11-19 05:49:50,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:50,449 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] [2024-11-19 05:49:50,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:49:50,449 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:50,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:50,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1203165847, now seen corresponding path program 1 times [2024-11-19 05:49:50,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:50,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740077103] [2024-11-19 05:49:50,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:50,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:51,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740077103] [2024-11-19 05:49:51,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740077103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:51,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:51,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:51,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281903378] [2024-11-19 05:49:51,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:51,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:51,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:51,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:51,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:51,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 276 [2024-11-19 05:49:51,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 258 transitions, 521 flow. Second operand has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 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) [2024-11-19 05:49:51,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:51,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 276 [2024-11-19 05:49:51,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:51,821 INFO L124 PetriNetUnfolderBase]: 638/2428 cut-off events. [2024-11-19 05:49:51,821 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:51,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3801 conditions, 2428 events. 638/2428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 15408 event pairs, 638 based on Foata normal form. 0/2281 useless extension candidates. Maximal degree in co-relation 3733. Up to 1362 conditions per place. [2024-11-19 05:49:51,834 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 85 selfloop transitions, 5 changer transitions 0/257 dead transitions. [2024-11-19 05:49:51,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 257 transitions, 699 flow [2024-11-19 05:49:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1201 transitions. [2024-11-19 05:49:51,838 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7252415458937198 [2024-11-19 05:49:51,838 INFO L175 Difference]: Start difference. First operand has 264 places, 258 transitions, 521 flow. Second operand 6 states and 1201 transitions. [2024-11-19 05:49:51,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 257 transitions, 699 flow [2024-11-19 05:49:51,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 257 transitions, 698 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:51,843 INFO L231 Difference]: Finished difference. Result has 267 places, 257 transitions, 528 flow [2024-11-19 05:49:51,843 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=267, PETRI_TRANSITIONS=257} [2024-11-19 05:49:51,844 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -12 predicate places. [2024-11-19 05:49:51,844 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 257 transitions, 528 flow [2024-11-19 05:49:51,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 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) [2024-11-19 05:49:51,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:51,845 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] [2024-11-19 05:49:51,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:49:51,846 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:51,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:51,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2046601516, now seen corresponding path program 1 times [2024-11-19 05:49:51,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:51,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402733597] [2024-11-19 05:49:51,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:51,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:52,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:52,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402733597] [2024-11-19 05:49:52,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402733597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:52,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:52,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:52,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353033167] [2024-11-19 05:49:52,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:52,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:52,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:52,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:52,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:52,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 276 [2024-11-19 05:49:52,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 257 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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) [2024-11-19 05:49:52,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:52,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 276 [2024-11-19 05:49:52,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:53,368 INFO L124 PetriNetUnfolderBase]: 232/1787 cut-off events. [2024-11-19 05:49:53,369 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:53,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2345 conditions, 1787 events. 232/1787 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11375 event pairs, 20 based on Foata normal form. 0/1663 useless extension candidates. Maximal degree in co-relation 2277. Up to 305 conditions per place. [2024-11-19 05:49:53,380 INFO L140 encePairwiseOnDemand]: 257/276 looper letters, 100 selfloop transitions, 38 changer transitions 0/331 dead transitions. [2024-11-19 05:49:53,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 331 transitions, 952 flow [2024-11-19 05:49:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1412 transitions. [2024-11-19 05:49:53,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8526570048309179 [2024-11-19 05:49:53,384 INFO L175 Difference]: Start difference. First operand has 267 places, 257 transitions, 528 flow. Second operand 6 states and 1412 transitions. [2024-11-19 05:49:53,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 331 transitions, 952 flow [2024-11-19 05:49:53,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 331 transitions, 942 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:53,393 INFO L231 Difference]: Finished difference. Result has 271 places, 293 transitions, 776 flow [2024-11-19 05:49:53,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=776, PETRI_PLACES=271, PETRI_TRANSITIONS=293} [2024-11-19 05:49:53,394 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -8 predicate places. [2024-11-19 05:49:53,395 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 293 transitions, 776 flow [2024-11-19 05:49:53,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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) [2024-11-19 05:49:53,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:53,396 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] [2024-11-19 05:49:53,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:49:53,396 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:53,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash 893767704, now seen corresponding path program 1 times [2024-11-19 05:49:53,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:53,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471182669] [2024-11-19 05:49:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:53,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:53,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:53,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471182669] [2024-11-19 05:49:53,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471182669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:53,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:53,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:53,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131647891] [2024-11-19 05:49:53,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:53,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:53,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:53,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:53,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:54,464 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 276 [2024-11-19 05:49:54,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 293 transitions, 776 flow. Second operand has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 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) [2024-11-19 05:49:54,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:54,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 276 [2024-11-19 05:49:54,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:54,776 INFO L124 PetriNetUnfolderBase]: 185/1591 cut-off events. [2024-11-19 05:49:54,776 INFO L125 PetriNetUnfolderBase]: For 206/211 co-relation queries the response was YES. [2024-11-19 05:49:54,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2363 conditions, 1591 events. 185/1591 cut-off events. For 206/211 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 9959 event pairs, 75 based on Foata normal form. 0/1471 useless extension candidates. Maximal degree in co-relation 2293. Up to 354 conditions per place. [2024-11-19 05:49:54,788 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 96 selfloop transitions, 5 changer transitions 0/308 dead transitions. [2024-11-19 05:49:54,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 308 transitions, 1008 flow [2024-11-19 05:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2024-11-19 05:49:54,792 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8345410628019324 [2024-11-19 05:49:54,792 INFO L175 Difference]: Start difference. First operand has 271 places, 293 transitions, 776 flow. Second operand 6 states and 1382 transitions. [2024-11-19 05:49:54,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 308 transitions, 1008 flow [2024-11-19 05:49:54,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 308 transitions, 1008 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:54,802 INFO L231 Difference]: Finished difference. Result has 275 places, 292 transitions, 784 flow [2024-11-19 05:49:54,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=275, PETRI_TRANSITIONS=292} [2024-11-19 05:49:54,804 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -4 predicate places. [2024-11-19 05:49:54,805 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 292 transitions, 784 flow [2024-11-19 05:49:54,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 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) [2024-11-19 05:49:54,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:54,806 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:54,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:49:54,807 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:54,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:54,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1777114751, now seen corresponding path program 1 times [2024-11-19 05:49:54,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:54,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571480129] [2024-11-19 05:49:54,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:55,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:55,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571480129] [2024-11-19 05:49:55,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571480129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:55,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:55,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:55,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187505590] [2024-11-19 05:49:55,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:55,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:55,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:55,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:55,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:55,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 276 [2024-11-19 05:49:55,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 292 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 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) [2024-11-19 05:49:55,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:55,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 276 [2024-11-19 05:49:55,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:56,297 INFO L124 PetriNetUnfolderBase]: 583/2948 cut-off events. [2024-11-19 05:49:56,297 INFO L125 PetriNetUnfolderBase]: For 706/713 co-relation queries the response was YES. [2024-11-19 05:49:56,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5026 conditions, 2948 events. 583/2948 cut-off events. For 706/713 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 21807 event pairs, 69 based on Foata normal form. 0/2761 useless extension candidates. Maximal degree in co-relation 4953. Up to 795 conditions per place. [2024-11-19 05:49:56,323 INFO L140 encePairwiseOnDemand]: 254/276 looper letters, 111 selfloop transitions, 72 changer transitions 0/381 dead transitions. [2024-11-19 05:49:56,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 381 transitions, 1520 flow [2024-11-19 05:49:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1389 transitions. [2024-11-19 05:49:56,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8387681159420289 [2024-11-19 05:49:56,328 INFO L175 Difference]: Start difference. First operand has 275 places, 292 transitions, 784 flow. Second operand 6 states and 1389 transitions. [2024-11-19 05:49:56,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 381 transitions, 1520 flow [2024-11-19 05:49:56,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 381 transitions, 1502 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:56,337 INFO L231 Difference]: Finished difference. Result has 280 places, 362 transitions, 1440 flow [2024-11-19 05:49:56,338 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1440, PETRI_PLACES=280, PETRI_TRANSITIONS=362} [2024-11-19 05:49:56,339 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 1 predicate places. [2024-11-19 05:49:56,339 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 362 transitions, 1440 flow [2024-11-19 05:49:56,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 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) [2024-11-19 05:49:56,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:56,341 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:56,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:49:56,341 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:56,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:56,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1489313437, now seen corresponding path program 1 times [2024-11-19 05:49:56,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:56,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821189079] [2024-11-19 05:49:56,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:56,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:56,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:56,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821189079] [2024-11-19 05:49:56,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821189079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:56,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:56,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:56,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227848186] [2024-11-19 05:49:56,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:56,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:56,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:56,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:56,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:57,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 276 [2024-11-19 05:49:57,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 362 transitions, 1440 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2024-11-19 05:49:57,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:57,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 276 [2024-11-19 05:49:57,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:58,230 INFO L124 PetriNetUnfolderBase]: 1657/5695 cut-off events. [2024-11-19 05:49:58,230 INFO L125 PetriNetUnfolderBase]: For 3355/3415 co-relation queries the response was YES. [2024-11-19 05:49:58,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12784 conditions, 5695 events. 1657/5695 cut-off events. For 3355/3415 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 45929 event pairs, 861 based on Foata normal form. 0/5366 useless extension candidates. Maximal degree in co-relation 12709. Up to 3147 conditions per place. [2024-11-19 05:49:58,289 INFO L140 encePairwiseOnDemand]: 253/276 looper letters, 201 selfloop transitions, 89 changer transitions 0/462 dead transitions. [2024-11-19 05:49:58,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 462 transitions, 2424 flow [2024-11-19 05:49:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1302 transitions. [2024-11-19 05:49:58,293 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7862318840579711 [2024-11-19 05:49:58,294 INFO L175 Difference]: Start difference. First operand has 280 places, 362 transitions, 1440 flow. Second operand 6 states and 1302 transitions. [2024-11-19 05:49:58,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 462 transitions, 2424 flow [2024-11-19 05:49:58,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 462 transitions, 2424 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:58,313 INFO L231 Difference]: Finished difference. Result has 290 places, 446 transitions, 2242 flow [2024-11-19 05:49:58,314 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=1440, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2242, PETRI_PLACES=290, PETRI_TRANSITIONS=446} [2024-11-19 05:49:58,315 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 11 predicate places. [2024-11-19 05:49:58,315 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 446 transitions, 2242 flow [2024-11-19 05:49:58,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2024-11-19 05:49:58,316 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:58,316 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] [2024-11-19 05:49:58,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:49:58,316 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:58,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:58,316 INFO L85 PathProgramCache]: Analyzing trace with hash 106924031, now seen corresponding path program 1 times [2024-11-19 05:49:58,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:58,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462012545] [2024-11-19 05:49:58,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:58,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:58,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:58,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462012545] [2024-11-19 05:49:58,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462012545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:58,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:58,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:49:58,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469869314] [2024-11-19 05:49:58,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:58,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:58,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:58,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:58,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:58,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 276 [2024-11-19 05:49:58,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 446 transitions, 2242 flow. Second operand has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 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) [2024-11-19 05:49:58,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:58,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 276 [2024-11-19 05:49:58,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:58,768 INFO L124 PetriNetUnfolderBase]: 315/1970 cut-off events. [2024-11-19 05:49:58,769 INFO L125 PetriNetUnfolderBase]: For 1136/1199 co-relation queries the response was YES. [2024-11-19 05:49:58,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4120 conditions, 1970 events. 315/1970 cut-off events. For 1136/1199 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 13471 event pairs, 31 based on Foata normal form. 4/1894 useless extension candidates. Maximal degree in co-relation 4047. Up to 312 conditions per place. [2024-11-19 05:49:58,785 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 10 selfloop transitions, 6 changer transitions 0/386 dead transitions. [2024-11-19 05:49:58,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 386 transitions, 1710 flow [2024-11-19 05:49:58,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 816 transitions. [2024-11-19 05:49:58,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9855072463768116 [2024-11-19 05:49:58,789 INFO L175 Difference]: Start difference. First operand has 290 places, 446 transitions, 2242 flow. Second operand 3 states and 816 transitions. [2024-11-19 05:49:58,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 386 transitions, 1710 flow [2024-11-19 05:49:58,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 386 transitions, 1622 flow, removed 44 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:58,808 INFO L231 Difference]: Finished difference. Result has 293 places, 384 transitions, 1612 flow [2024-11-19 05:49:58,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=1578, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1612, PETRI_PLACES=293, PETRI_TRANSITIONS=384} [2024-11-19 05:49:58,810 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 14 predicate places. [2024-11-19 05:49:58,811 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 384 transitions, 1612 flow [2024-11-19 05:49:58,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 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) [2024-11-19 05:49:58,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:58,812 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] [2024-11-19 05:49:58,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:49:58,812 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:49:58,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:58,813 INFO L85 PathProgramCache]: Analyzing trace with hash 735522291, now seen corresponding path program 1 times [2024-11-19 05:49:58,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:58,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332627301] [2024-11-19 05:49:58,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:58,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:59,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:59,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332627301] [2024-11-19 05:49:59,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332627301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:59,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:59,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:59,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726382114] [2024-11-19 05:49:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:59,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:59,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:59,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:59,765 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 276 [2024-11-19 05:49:59,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 384 transitions, 1612 flow. Second operand has 6 states, 6 states have (on average 219.33333333333334) internal successors, (1316), 6 states have internal predecessors, (1316), 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) [2024-11-19 05:49:59,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:59,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 276 [2024-11-19 05:49:59,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:00,338 INFO L124 PetriNetUnfolderBase]: 690/3113 cut-off events. [2024-11-19 05:50:00,339 INFO L125 PetriNetUnfolderBase]: For 3020/3221 co-relation queries the response was YES. [2024-11-19 05:50:00,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7440 conditions, 3113 events. 690/3113 cut-off events. For 3020/3221 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 23921 event pairs, 54 based on Foata normal form. 20/3022 useless extension candidates. Maximal degree in co-relation 7357. Up to 734 conditions per place. [2024-11-19 05:50:00,358 INFO L140 encePairwiseOnDemand]: 257/276 looper letters, 184 selfloop transitions, 124 changer transitions 4/542 dead transitions. [2024-11-19 05:50:00,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 542 transitions, 3203 flow [2024-11-19 05:50:00,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1430 transitions. [2024-11-19 05:50:00,362 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635265700483091 [2024-11-19 05:50:00,363 INFO L175 Difference]: Start difference. First operand has 293 places, 384 transitions, 1612 flow. Second operand 6 states and 1430 transitions. [2024-11-19 05:50:00,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 542 transitions, 3203 flow [2024-11-19 05:50:00,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 542 transitions, 3180 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:00,381 INFO L231 Difference]: Finished difference. Result has 301 places, 486 transitions, 2988 flow [2024-11-19 05:50:00,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=1604, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2988, PETRI_PLACES=301, PETRI_TRANSITIONS=486} [2024-11-19 05:50:00,382 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 22 predicate places. [2024-11-19 05:50:00,382 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 486 transitions, 2988 flow [2024-11-19 05:50:00,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.33333333333334) internal successors, (1316), 6 states have internal predecessors, (1316), 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) [2024-11-19 05:50:00,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:00,383 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:00,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:50:00,384 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:00,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:00,384 INFO L85 PathProgramCache]: Analyzing trace with hash 347820555, now seen corresponding path program 1 times [2024-11-19 05:50:00,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:00,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085684559] [2024-11-19 05:50:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:00,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:01,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:01,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:01,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085684559] [2024-11-19 05:50:01,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085684559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:01,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:01,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:01,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867021606] [2024-11-19 05:50:01,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:01,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:01,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:01,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:01,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:01,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 276 [2024-11-19 05:50:01,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 486 transitions, 2988 flow. Second operand has 6 states, 6 states have (on average 225.66666666666666) internal successors, (1354), 6 states have internal predecessors, (1354), 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) [2024-11-19 05:50:01,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:01,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 276 [2024-11-19 05:50:01,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:02,034 INFO L124 PetriNetUnfolderBase]: 605/2890 cut-off events. [2024-11-19 05:50:02,034 INFO L125 PetriNetUnfolderBase]: For 5479/5694 co-relation queries the response was YES. [2024-11-19 05:50:02,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7823 conditions, 2890 events. 605/2890 cut-off events. For 5479/5694 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 21929 event pairs, 92 based on Foata normal form. 18/2852 useless extension candidates. Maximal degree in co-relation 7737. Up to 803 conditions per place. [2024-11-19 05:50:02,053 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 218 selfloop transitions, 17 changer transitions 0/501 dead transitions. [2024-11-19 05:50:02,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 501 transitions, 3512 flow [2024-11-19 05:50:02,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2024-11-19 05:50:02,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8345410628019324 [2024-11-19 05:50:02,057 INFO L175 Difference]: Start difference. First operand has 301 places, 486 transitions, 2988 flow. Second operand 6 states and 1382 transitions. [2024-11-19 05:50:02,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 501 transitions, 3512 flow [2024-11-19 05:50:02,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 501 transitions, 3494 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:02,082 INFO L231 Difference]: Finished difference. Result has 305 places, 485 transitions, 3002 flow [2024-11-19 05:50:02,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=2968, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3002, PETRI_PLACES=305, PETRI_TRANSITIONS=485} [2024-11-19 05:50:02,084 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 26 predicate places. [2024-11-19 05:50:02,084 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 485 transitions, 3002 flow [2024-11-19 05:50:02,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.66666666666666) internal successors, (1354), 6 states have internal predecessors, (1354), 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) [2024-11-19 05:50:02,085 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:02,085 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] [2024-11-19 05:50:02,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:50:02,085 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:02,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash 982429328, now seen corresponding path program 1 times [2024-11-19 05:50:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:02,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617944625] [2024-11-19 05:50:02,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:02,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:02,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:02,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617944625] [2024-11-19 05:50:02,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617944625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:02,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:02,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:02,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465124931] [2024-11-19 05:50:02,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:02,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:02,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:02,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 276 [2024-11-19 05:50:02,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 485 transitions, 3002 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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) [2024-11-19 05:50:02,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:02,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 276 [2024-11-19 05:50:02,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:03,650 INFO L124 PetriNetUnfolderBase]: 1547/5161 cut-off events. [2024-11-19 05:50:03,650 INFO L125 PetriNetUnfolderBase]: For 7543/7624 co-relation queries the response was YES. [2024-11-19 05:50:03,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15138 conditions, 5161 events. 1547/5161 cut-off events. For 7543/7624 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 41358 event pairs, 582 based on Foata normal form. 1/5009 useless extension candidates. Maximal degree in co-relation 15051. Up to 2881 conditions per place. [2024-11-19 05:50:03,685 INFO L140 encePairwiseOnDemand]: 253/276 looper letters, 304 selfloop transitions, 103 changer transitions 8/591 dead transitions. [2024-11-19 05:50:03,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 591 transitions, 4442 flow [2024-11-19 05:50:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1302 transitions. [2024-11-19 05:50:03,691 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7862318840579711 [2024-11-19 05:50:03,691 INFO L175 Difference]: Start difference. First operand has 305 places, 485 transitions, 3002 flow. Second operand 6 states and 1302 transitions. [2024-11-19 05:50:03,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 591 transitions, 4442 flow [2024-11-19 05:50:03,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 591 transitions, 4408 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:03,738 INFO L231 Difference]: Finished difference. Result has 310 places, 571 transitions, 3986 flow [2024-11-19 05:50:03,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=2968, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3986, PETRI_PLACES=310, PETRI_TRANSITIONS=571} [2024-11-19 05:50:03,739 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 31 predicate places. [2024-11-19 05:50:03,739 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 571 transitions, 3986 flow [2024-11-19 05:50:03,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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) [2024-11-19 05:50:03,740 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:03,740 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] [2024-11-19 05:50:03,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:50:03,741 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:03,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:03,741 INFO L85 PathProgramCache]: Analyzing trace with hash 828551593, now seen corresponding path program 1 times [2024-11-19 05:50:03,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:03,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314038664] [2024-11-19 05:50:03,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:03,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:06,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:06,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314038664] [2024-11-19 05:50:06,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314038664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:06,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:06,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-19 05:50:06,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817662671] [2024-11-19 05:50:06,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:06,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 05:50:06,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:06,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 05:50:06,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2024-11-19 05:50:08,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 276 [2024-11-19 05:50:08,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 571 transitions, 3986 flow. Second operand has 20 states, 20 states have (on average 151.15) internal successors, (3023), 20 states have internal predecessors, (3023), 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) [2024-11-19 05:50:08,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:08,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 276 [2024-11-19 05:50:08,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:10,831 INFO L124 PetriNetUnfolderBase]: 1717/5670 cut-off events. [2024-11-19 05:50:10,831 INFO L125 PetriNetUnfolderBase]: For 11266/11335 co-relation queries the response was YES. [2024-11-19 05:50:10,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18569 conditions, 5670 events. 1717/5670 cut-off events. For 11266/11335 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 46232 event pairs, 195 based on Foata normal form. 19/5643 useless extension candidates. Maximal degree in co-relation 18462. Up to 1900 conditions per place. [2024-11-19 05:50:10,868 INFO L140 encePairwiseOnDemand]: 245/276 looper letters, 529 selfloop transitions, 101 changer transitions 23/785 dead transitions. [2024-11-19 05:50:10,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 785 transitions, 6962 flow [2024-11-19 05:50:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 05:50:10,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-19 05:50:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4364 transitions. [2024-11-19 05:50:10,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5646997929606625 [2024-11-19 05:50:10,882 INFO L175 Difference]: Start difference. First operand has 310 places, 571 transitions, 3986 flow. Second operand 28 states and 4364 transitions. [2024-11-19 05:50:10,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 785 transitions, 6962 flow [2024-11-19 05:50:10,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 785 transitions, 6758 flow, removed 102 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:10,957 INFO L231 Difference]: Finished difference. Result has 347 places, 604 transitions, 4436 flow [2024-11-19 05:50:10,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=3838, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=4436, PETRI_PLACES=347, PETRI_TRANSITIONS=604} [2024-11-19 05:50:10,958 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 68 predicate places. [2024-11-19 05:50:10,958 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 604 transitions, 4436 flow [2024-11-19 05:50:10,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 151.15) internal successors, (3023), 20 states have internal predecessors, (3023), 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) [2024-11-19 05:50:10,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:10,960 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] [2024-11-19 05:50:10,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:50:10,960 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:10,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:10,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1784194913, now seen corresponding path program 1 times [2024-11-19 05:50:10,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:10,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122495193] [2024-11-19 05:50:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:10,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:12,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:12,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122495193] [2024-11-19 05:50:12,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122495193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:12,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:12,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-19 05:50:12,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601311864] [2024-11-19 05:50:12,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:12,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:12,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:12,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:15,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 276 [2024-11-19 05:50:15,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 604 transitions, 4436 flow. Second operand has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:15,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:15,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 276 [2024-11-19 05:50:15,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:16,736 INFO L124 PetriNetUnfolderBase]: 1405/5296 cut-off events. [2024-11-19 05:50:16,736 INFO L125 PetriNetUnfolderBase]: For 13203/13390 co-relation queries the response was YES. [2024-11-19 05:50:16,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17949 conditions, 5296 events. 1405/5296 cut-off events. For 13203/13390 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 45108 event pairs, 151 based on Foata normal form. 27/5269 useless extension candidates. Maximal degree in co-relation 17825. Up to 1437 conditions per place. [2024-11-19 05:50:16,791 INFO L140 encePairwiseOnDemand]: 243/276 looper letters, 400 selfloop transitions, 123 changer transitions 8/777 dead transitions. [2024-11-19 05:50:16,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 777 transitions, 7003 flow [2024-11-19 05:50:16,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 05:50:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-19 05:50:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 4148 transitions. [2024-11-19 05:50:16,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6534341524889729 [2024-11-19 05:50:16,798 INFO L175 Difference]: Start difference. First operand has 347 places, 604 transitions, 4436 flow. Second operand 23 states and 4148 transitions. [2024-11-19 05:50:16,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 777 transitions, 7003 flow [2024-11-19 05:50:16,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 777 transitions, 6879 flow, removed 51 selfloop flow, removed 10 redundant places. [2024-11-19 05:50:16,896 INFO L231 Difference]: Finished difference. Result has 367 places, 668 transitions, 5598 flow [2024-11-19 05:50:16,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=4354, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5598, PETRI_PLACES=367, PETRI_TRANSITIONS=668} [2024-11-19 05:50:16,898 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 88 predicate places. [2024-11-19 05:50:16,898 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 668 transitions, 5598 flow [2024-11-19 05:50:16,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:16,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:16,900 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] [2024-11-19 05:50:16,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:50:16,901 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:16,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:16,901 INFO L85 PathProgramCache]: Analyzing trace with hash -93022475, now seen corresponding path program 2 times [2024-11-19 05:50:16,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:16,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278230750] [2024-11-19 05:50:16,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:16,951 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:16,952 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:18,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:18,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278230750] [2024-11-19 05:50:18,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278230750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:18,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:18,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-19 05:50:18,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365309308] [2024-11-19 05:50:18,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:18,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:18,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:18,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:18,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:21,070 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 276 [2024-11-19 05:50:21,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 668 transitions, 5598 flow. Second operand has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:21,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:21,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 276 [2024-11-19 05:50:21,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:22,747 INFO L124 PetriNetUnfolderBase]: 1464/5468 cut-off events. [2024-11-19 05:50:22,747 INFO L125 PetriNetUnfolderBase]: For 17844/18075 co-relation queries the response was YES. [2024-11-19 05:50:22,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19599 conditions, 5468 events. 1464/5468 cut-off events. For 17844/18075 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 46603 event pairs, 150 based on Foata normal form. 60/5476 useless extension candidates. Maximal degree in co-relation 19465. Up to 1048 conditions per place. [2024-11-19 05:50:22,791 INFO L140 encePairwiseOnDemand]: 247/276 looper letters, 420 selfloop transitions, 151 changer transitions 8/825 dead transitions. [2024-11-19 05:50:22,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 825 transitions, 8087 flow [2024-11-19 05:50:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 05:50:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-19 05:50:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5374 transitions. [2024-11-19 05:50:22,800 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6490338164251208 [2024-11-19 05:50:22,800 INFO L175 Difference]: Start difference. First operand has 367 places, 668 transitions, 5598 flow. Second operand 30 states and 5374 transitions. [2024-11-19 05:50:22,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 825 transitions, 8087 flow [2024-11-19 05:50:22,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 825 transitions, 8000 flow, removed 23 selfloop flow, removed 11 redundant places. [2024-11-19 05:50:22,918 INFO L231 Difference]: Finished difference. Result has 396 places, 724 transitions, 6625 flow [2024-11-19 05:50:22,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=5548, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=6625, PETRI_PLACES=396, PETRI_TRANSITIONS=724} [2024-11-19 05:50:22,919 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 117 predicate places. [2024-11-19 05:50:22,920 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 724 transitions, 6625 flow [2024-11-19 05:50:22,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:22,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:22,921 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] [2024-11-19 05:50:22,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:50:22,922 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:22,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1974530083, now seen corresponding path program 3 times [2024-11-19 05:50:22,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:22,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792335152] [2024-11-19 05:50:22,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:22,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:22,974 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:22,974 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:24,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:24,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792335152] [2024-11-19 05:50:24,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792335152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:24,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:24,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-19 05:50:24,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067792759] [2024-11-19 05:50:24,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:24,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:24,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:24,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:24,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:27,220 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 276 [2024-11-19 05:50:27,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 724 transitions, 6625 flow. Second operand has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:27,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:27,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 276 [2024-11-19 05:50:27,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:28,893 INFO L124 PetriNetUnfolderBase]: 1691/6200 cut-off events. [2024-11-19 05:50:28,893 INFO L125 PetriNetUnfolderBase]: For 27520/27916 co-relation queries the response was YES. [2024-11-19 05:50:28,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23876 conditions, 6200 events. 1691/6200 cut-off events. For 27520/27916 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 55049 event pairs, 178 based on Foata normal form. 97/6230 useless extension candidates. Maximal degree in co-relation 23730. Up to 1514 conditions per place. [2024-11-19 05:50:28,930 INFO L140 encePairwiseOnDemand]: 243/276 looper letters, 483 selfloop transitions, 161 changer transitions 8/898 dead transitions. [2024-11-19 05:50:28,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 898 transitions, 9741 flow [2024-11-19 05:50:28,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 05:50:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-19 05:50:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 4500 transitions. [2024-11-19 05:50:28,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6521739130434783 [2024-11-19 05:50:28,937 INFO L175 Difference]: Start difference. First operand has 396 places, 724 transitions, 6625 flow. Second operand 25 states and 4500 transitions. [2024-11-19 05:50:28,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 898 transitions, 9741 flow [2024-11-19 05:50:29,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 898 transitions, 9655 flow, removed 21 selfloop flow, removed 13 redundant places. [2024-11-19 05:50:29,101 INFO L231 Difference]: Finished difference. Result has 412 places, 785 transitions, 8136 flow [2024-11-19 05:50:29,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=6541, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=8136, PETRI_PLACES=412, PETRI_TRANSITIONS=785} [2024-11-19 05:50:29,103 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 133 predicate places. [2024-11-19 05:50:29,103 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 785 transitions, 8136 flow [2024-11-19 05:50:29,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:29,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:29,105 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] [2024-11-19 05:50:29,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 05:50:29,105 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:29,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:29,106 INFO L85 PathProgramCache]: Analyzing trace with hash 564269631, now seen corresponding path program 4 times [2024-11-19 05:50:29,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:29,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970804154] [2024-11-19 05:50:29,106 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:29,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:29,163 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:29,164 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:30,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:30,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970804154] [2024-11-19 05:50:30,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970804154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:30,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:30,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-19 05:50:30,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861795667] [2024-11-19 05:50:30,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:30,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 05:50:30,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:30,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 05:50:30,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-19 05:50:34,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 276 [2024-11-19 05:50:34,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 785 transitions, 8136 flow. Second operand has 20 states, 20 states have (on average 174.35) internal successors, (3487), 20 states have internal predecessors, (3487), 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) [2024-11-19 05:50:34,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:34,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 276 [2024-11-19 05:50:34,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:36,731 INFO L124 PetriNetUnfolderBase]: 1955/7132 cut-off events. [2024-11-19 05:50:36,731 INFO L125 PetriNetUnfolderBase]: For 41282/41686 co-relation queries the response was YES. [2024-11-19 05:50:36,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28941 conditions, 7132 events. 1955/7132 cut-off events. For 41282/41686 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 65872 event pairs, 198 based on Foata normal form. 120/7180 useless extension candidates. Maximal degree in co-relation 28789. Up to 1050 conditions per place. [2024-11-19 05:50:36,774 INFO L140 encePairwiseOnDemand]: 240/276 looper letters, 584 selfloop transitions, 241 changer transitions 9/1076 dead transitions. [2024-11-19 05:50:36,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 1076 transitions, 13174 flow [2024-11-19 05:50:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-19 05:50:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2024-11-19 05:50:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5702 transitions. [2024-11-19 05:50:36,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6456068840579711 [2024-11-19 05:50:36,782 INFO L175 Difference]: Start difference. First operand has 412 places, 785 transitions, 8136 flow. Second operand 32 states and 5702 transitions. [2024-11-19 05:50:36,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 1076 transitions, 13174 flow [2024-11-19 05:50:36,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 1076 transitions, 13076 flow, removed 10 selfloop flow, removed 17 redundant places. [2024-11-19 05:50:36,931 INFO L231 Difference]: Finished difference. Result has 439 places, 886 transitions, 10735 flow [2024-11-19 05:50:36,931 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=8048, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=785, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=10735, PETRI_PLACES=439, PETRI_TRANSITIONS=886} [2024-11-19 05:50:36,932 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 160 predicate places. [2024-11-19 05:50:36,932 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 886 transitions, 10735 flow [2024-11-19 05:50:36,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 174.35) internal successors, (3487), 20 states have internal predecessors, (3487), 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) [2024-11-19 05:50:36,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:36,933 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] [2024-11-19 05:50:36,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 05:50:36,934 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:36,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:36,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1120472131, now seen corresponding path program 5 times [2024-11-19 05:50:36,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:36,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373398993] [2024-11-19 05:50:36,935 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:36,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:36,976 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:36,976 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:38,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:38,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373398993] [2024-11-19 05:50:38,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373398993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:38,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:38,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-19 05:50:38,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961028817] [2024-11-19 05:50:38,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:38,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:38,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:38,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:38,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:41,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 276 [2024-11-19 05:50:41,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 886 transitions, 10735 flow. Second operand has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:41,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:41,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 276 [2024-11-19 05:50:41,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:43,555 INFO L124 PetriNetUnfolderBase]: 2130/7703 cut-off events. [2024-11-19 05:50:43,555 INFO L125 PetriNetUnfolderBase]: For 58644/59119 co-relation queries the response was YES. [2024-11-19 05:50:43,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33221 conditions, 7703 events. 2130/7703 cut-off events. For 58644/59119 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 73174 event pairs, 231 based on Foata normal form. 110/7728 useless extension candidates. Maximal degree in co-relation 33055. Up to 1793 conditions per place. [2024-11-19 05:50:43,642 INFO L140 encePairwiseOnDemand]: 243/276 looper letters, 559 selfloop transitions, 257 changer transitions 8/1070 dead transitions. [2024-11-19 05:50:43,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1070 transitions, 14814 flow [2024-11-19 05:50:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-19 05:50:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-19 05:50:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4681 transitions. [2024-11-19 05:50:43,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6523132664437012 [2024-11-19 05:50:43,647 INFO L175 Difference]: Start difference. First operand has 439 places, 886 transitions, 10735 flow. Second operand 26 states and 4681 transitions. [2024-11-19 05:50:43,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1070 transitions, 14814 flow [2024-11-19 05:50:43,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 1070 transitions, 14710 flow, removed 38 selfloop flow, removed 12 redundant places. [2024-11-19 05:50:43,933 INFO L231 Difference]: Finished difference. Result has 460 places, 945 transitions, 12946 flow [2024-11-19 05:50:43,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=10631, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=634, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=12946, PETRI_PLACES=460, PETRI_TRANSITIONS=945} [2024-11-19 05:50:43,934 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 181 predicate places. [2024-11-19 05:50:43,934 INFO L471 AbstractCegarLoop]: Abstraction has has 460 places, 945 transitions, 12946 flow [2024-11-19 05:50:43,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.66666666666666) internal successors, (3180), 18 states have internal predecessors, (3180), 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) [2024-11-19 05:50:43,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:43,935 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] [2024-11-19 05:50:43,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 05:50:43,935 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:43,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:43,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2143133286, now seen corresponding path program 1 times [2024-11-19 05:50:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834165766] [2024-11-19 05:50:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:44,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:44,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834165766] [2024-11-19 05:50:44,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834165766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:44,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:44,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-19 05:50:44,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520000952] [2024-11-19 05:50:44,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:44,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:44,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:44,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:44,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:47,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 276 [2024-11-19 05:50:47,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 945 transitions, 12946 flow. Second operand has 18 states, 18 states have (on average 176.94444444444446) internal successors, (3185), 18 states have internal predecessors, (3185), 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) [2024-11-19 05:50:47,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:47,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 276 [2024-11-19 05:50:47,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:50,100 INFO L124 PetriNetUnfolderBase]: 2155/7728 cut-off events. [2024-11-19 05:50:50,101 INFO L125 PetriNetUnfolderBase]: For 74172/74643 co-relation queries the response was YES. [2024-11-19 05:50:50,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34911 conditions, 7728 events. 2155/7728 cut-off events. For 74172/74643 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 73291 event pairs, 254 based on Foata normal form. 91/7731 useless extension candidates. Maximal degree in co-relation 34735. Up to 1159 conditions per place. [2024-11-19 05:50:50,201 INFO L140 encePairwiseOnDemand]: 246/276 looper letters, 567 selfloop transitions, 234 changer transitions 8/1055 dead transitions. [2024-11-19 05:50:50,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 1055 transitions, 15615 flow [2024-11-19 05:50:50,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-19 05:50:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-11-19 05:50:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 5551 transitions. [2024-11-19 05:50:50,208 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6487844787283777 [2024-11-19 05:50:50,208 INFO L175 Difference]: Start difference. First operand has 460 places, 945 transitions, 12946 flow. Second operand 31 states and 5551 transitions. [2024-11-19 05:50:50,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 1055 transitions, 15615 flow [2024-11-19 05:50:50,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 1055 transitions, 15478 flow, removed 41 selfloop flow, removed 15 redundant places. [2024-11-19 05:50:50,736 INFO L231 Difference]: Finished difference. Result has 478 places, 954 transitions, 13708 flow [2024-11-19 05:50:50,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=12809, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=13708, PETRI_PLACES=478, PETRI_TRANSITIONS=954} [2024-11-19 05:50:50,737 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, 199 predicate places. [2024-11-19 05:50:50,737 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 954 transitions, 13708 flow [2024-11-19 05:50:50,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.94444444444446) internal successors, (3185), 18 states have internal predecessors, (3185), 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) [2024-11-19 05:50:50,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:50,738 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] [2024-11-19 05:50:50,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 05:50:50,738 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-19 05:50:50,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1828554054, now seen corresponding path program 2 times [2024-11-19 05:50:50,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825492325] [2024-11-19 05:50:50,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:50,776 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:50,776 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:51,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:51,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825492325] [2024-11-19 05:50:51,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825492325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:51,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:51,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-19 05:50:51,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992200530] [2024-11-19 05:50:51,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:51,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:51,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:51,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:51,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:54,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 276 [2024-11-19 05:50:54,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 954 transitions, 13708 flow. Second operand has 18 states, 18 states have (on average 176.94444444444446) internal successors, (3185), 18 states have internal predecessors, (3185), 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) [2024-11-19 05:50:54,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:54,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 276 [2024-11-19 05:50:54,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand