./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:11:57,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:11:57,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:11:57,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:11:57,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:11:57,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:11:57,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:11:57,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:11:57,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:11:57,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:11:57,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:11:57,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:11:57,215 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:11:57,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:11:57,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:11:57,216 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:11:57,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:11:57,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:11:57,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:11:57,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:11:57,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:11:57,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:11:57,222 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:11:57,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:11:57,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:11:57,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:11:57,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:11:57,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:11:57,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:11:57,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:11:57,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:11:57,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:11:57,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:11:57,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:11:57,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:11:57,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:11:57,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:11:57,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:11:57,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:11:57,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:11:57,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:11:57,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa [2024-10-14 17:11:57,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:11:57,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:11:57,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:11:57,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:11:57,552 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:11:57,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-10-14 17:11:58,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:11:59,167 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:11:59,168 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-10-14 17:11:59,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7851d02ca/c636b6a8aebf4c4693a6b4db01ce7861/FLAGb2dae3a0d [2024-10-14 17:11:59,195 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7851d02ca/c636b6a8aebf4c4693a6b4db01ce7861 [2024-10-14 17:11:59,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:11:59,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:11:59,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:11:59,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:11:59,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:11:59,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6f0507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59, skipping insertion in model container [2024-10-14 17:11:59,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:11:59,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:11:59,451 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:11:59,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:11:59,515 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:11:59,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59 WrapperNode [2024-10-14 17:11:59,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:11:59,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:11:59,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:11:59,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:11:59,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,577 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 13, calls inlined = 23, statements flattened = 323 [2024-10-14 17:11:59,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:11:59,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:11:59,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:11:59,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:11:59,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:11:59,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:11:59,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:11:59,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:11:59,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (1/1) ... [2024-10-14 17:11:59,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:11:59,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:59,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 17:11:59,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 17:11:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:11:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:11:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:11:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:11:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:11:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-14 17:11:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-14 17:11:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:11:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:11:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:11:59,749 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:11:59,906 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:11:59,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:12:00,364 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:12:00,364 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:12:00,392 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:12:00,393 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 17:12:00,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:12:00 BoogieIcfgContainer [2024-10-14 17:12:00,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:12:00,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:12:00,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:12:00,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:12:00,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:11:59" (1/3) ... [2024-10-14 17:12:00,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff6b7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:12:00, skipping insertion in model container [2024-10-14 17:12:00,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:11:59" (2/3) ... [2024-10-14 17:12:00,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff6b7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:12:00, skipping insertion in model container [2024-10-14 17:12:00,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:12:00" (3/3) ... [2024-10-14 17:12:00,399 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2024-10-14 17:12:00,411 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:12:00,411 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-10-14 17:12:00,412 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:12:00,539 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-14 17:12:00,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 446 places, 454 transitions, 929 flow [2024-10-14 17:12:00,810 INFO L124 PetriNetUnfolderBase]: 18/451 cut-off events. [2024-10-14 17:12:00,811 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:12:00,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 451 events. 18/451 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 777 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-10-14 17:12:00,822 INFO L82 GeneralOperation]: Start removeDead. Operand has 446 places, 454 transitions, 929 flow [2024-10-14 17:12:00,830 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 425 places, 431 transitions, 880 flow [2024-10-14 17:12:00,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:12:00,848 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;@3c8326bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:12:00,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-10-14 17:12:00,852 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:12:00,852 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-14 17:12:00,852 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:12:00,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:00,853 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:00,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:00,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:00,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1481465963, now seen corresponding path program 1 times [2024-10-14 17:12:00,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:00,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440463701] [2024-10-14 17:12:00,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:00,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:01,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:01,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440463701] [2024-10-14 17:12:01,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440463701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:01,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:01,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:01,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169939551] [2024-10-14 17:12:01,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:01,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:01,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:01,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:01,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:01,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-14 17:12:01,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 431 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:01,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:01,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-14 17:12:01,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:01,572 INFO L124 PetriNetUnfolderBase]: 33/1375 cut-off events. [2024-10-14 17:12:01,572 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-10-14 17:12:01,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 1375 events. 33/1375 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6213 event pairs, 20 based on Foata normal form. 76/1250 useless extension candidates. Maximal degree in co-relation 1300. Up to 50 conditions per place. [2024-10-14 17:12:01,598 INFO L140 encePairwiseOnDemand]: 438/454 looper letters, 13 selfloop transitions, 2 changer transitions 1/417 dead transitions. [2024-10-14 17:12:01,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 417 transitions, 882 flow [2024-10-14 17:12:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:01,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:01,622 INFO L175 Difference]: Start difference. First operand has 425 places, 431 transitions, 880 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:01,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 417 transitions, 882 flow [2024-10-14 17:12:01,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 870 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-14 17:12:01,640 INFO L231 Difference]: Finished difference. Result has 420 places, 416 transitions, 842 flow [2024-10-14 17:12:01,643 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=420, PETRI_TRANSITIONS=416} [2024-10-14 17:12:01,648 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -5 predicate places. [2024-10-14 17:12:01,649 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 416 transitions, 842 flow [2024-10-14 17:12:01,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:01,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:01,650 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:01,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:12:01,651 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:01,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash -666654298, now seen corresponding path program 1 times [2024-10-14 17:12:01,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:01,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861630905] [2024-10-14 17:12:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:01,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:01,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:01,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861630905] [2024-10-14 17:12:01,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861630905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:01,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:01,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:01,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835274343] [2024-10-14 17:12:01,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:01,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:01,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:01,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:01,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:01,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-14 17:12:01,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 416 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:01,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:01,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-14 17:12:01,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:01,929 INFO L124 PetriNetUnfolderBase]: 16/956 cut-off events. [2024-10-14 17:12:01,929 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:12:01,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 956 events. 16/956 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4028 event pairs, 7 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 957. Up to 25 conditions per place. [2024-10-14 17:12:01,949 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2024-10-14 17:12:01,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 415 transitions, 866 flow [2024-10-14 17:12:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-14 17:12:01,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-14 17:12:01,953 INFO L175 Difference]: Start difference. First operand has 420 places, 416 transitions, 842 flow. Second operand 3 states and 1286 transitions. [2024-10-14 17:12:01,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 415 transitions, 866 flow [2024-10-14 17:12:01,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 415 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:01,961 INFO L231 Difference]: Finished difference. Result has 418 places, 415 transitions, 840 flow [2024-10-14 17:12:01,962 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=418, PETRI_TRANSITIONS=415} [2024-10-14 17:12:01,963 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -7 predicate places. [2024-10-14 17:12:01,963 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 415 transitions, 840 flow [2024-10-14 17:12:01,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:01,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:01,964 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:01,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:12:01,965 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:01,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:01,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2102967575, now seen corresponding path program 1 times [2024-10-14 17:12:01,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:01,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983020888] [2024-10-14 17:12:01,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:01,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:02,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:02,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983020888] [2024-10-14 17:12:02,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983020888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:02,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:02,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:02,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316528223] [2024-10-14 17:12:02,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:02,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:02,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:02,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-14 17:12:02,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 415 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:02,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:02,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-14 17:12:02,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:02,241 INFO L124 PetriNetUnfolderBase]: 16/937 cut-off events. [2024-10-14 17:12:02,242 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:12:02,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 937 events. 16/937 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3931 event pairs, 7 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 930. Up to 25 conditions per place. [2024-10-14 17:12:02,256 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2024-10-14 17:12:02,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 414 transitions, 864 flow [2024-10-14 17:12:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-14 17:12:02,259 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-14 17:12:02,259 INFO L175 Difference]: Start difference. First operand has 418 places, 415 transitions, 840 flow. Second operand 3 states and 1286 transitions. [2024-10-14 17:12:02,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 414 transitions, 864 flow [2024-10-14 17:12:02,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 414 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:02,268 INFO L231 Difference]: Finished difference. Result has 417 places, 414 transitions, 838 flow [2024-10-14 17:12:02,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=417, PETRI_TRANSITIONS=414} [2024-10-14 17:12:02,269 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -8 predicate places. [2024-10-14 17:12:02,269 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 414 transitions, 838 flow [2024-10-14 17:12:02,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:02,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:02,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:02,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:12:02,271 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:02,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:02,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1511710481, now seen corresponding path program 1 times [2024-10-14 17:12:02,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:02,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038903117] [2024-10-14 17:12:02,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:02,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:02,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:02,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038903117] [2024-10-14 17:12:02,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038903117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:02,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:02,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:02,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866236013] [2024-10-14 17:12:02,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:02,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:02,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:02,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:02,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:02,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-14 17:12:02,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:02,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:02,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-14 17:12:02,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:02,543 INFO L124 PetriNetUnfolderBase]: 19/807 cut-off events. [2024-10-14 17:12:02,543 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-10-14 17:12:02,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 19/807 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2820 event pairs, 12 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 805. Up to 38 conditions per place. [2024-10-14 17:12:02,558 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-10-14 17:12:02,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 413 transitions, 866 flow [2024-10-14 17:12:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-10-14 17:12:02,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-10-14 17:12:02,562 INFO L175 Difference]: Start difference. First operand has 417 places, 414 transitions, 838 flow. Second operand 3 states and 1282 transitions. [2024-10-14 17:12:02,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 413 transitions, 866 flow [2024-10-14 17:12:02,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 413 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:02,569 INFO L231 Difference]: Finished difference. Result has 416 places, 413 transitions, 836 flow [2024-10-14 17:12:02,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=416, PETRI_TRANSITIONS=413} [2024-10-14 17:12:02,570 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -9 predicate places. [2024-10-14 17:12:02,571 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 413 transitions, 836 flow [2024-10-14 17:12:02,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:02,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:02,572 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:02,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:12:02,572 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:02,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:02,573 INFO L85 PathProgramCache]: Analyzing trace with hash 805669637, now seen corresponding path program 1 times [2024-10-14 17:12:02,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:02,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67278347] [2024-10-14 17:12:02,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:02,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:02,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:02,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67278347] [2024-10-14 17:12:02,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67278347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:02,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:02,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:02,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929115961] [2024-10-14 17:12:02,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:02,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:02,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:02,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:02,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:02,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-14 17:12:02,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:02,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:02,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-14 17:12:02,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:02,804 INFO L124 PetriNetUnfolderBase]: 12/784 cut-off events. [2024-10-14 17:12:02,805 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-10-14 17:12:02,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 784 events. 12/784 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2122 event pairs, 5 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 756. Up to 22 conditions per place. [2024-10-14 17:12:02,820 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2024-10-14 17:12:02,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 412 transitions, 860 flow [2024-10-14 17:12:02,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-14 17:12:02,823 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-14 17:12:02,823 INFO L175 Difference]: Start difference. First operand has 416 places, 413 transitions, 836 flow. Second operand 3 states and 1286 transitions. [2024-10-14 17:12:02,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 412 transitions, 860 flow [2024-10-14 17:12:02,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 412 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:02,830 INFO L231 Difference]: Finished difference. Result has 415 places, 412 transitions, 834 flow [2024-10-14 17:12:02,831 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=415, PETRI_TRANSITIONS=412} [2024-10-14 17:12:02,832 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-10-14 17:12:02,832 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 412 transitions, 834 flow [2024-10-14 17:12:02,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:02,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:02,833 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:02,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:12:02,834 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:02,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:02,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1067874234, now seen corresponding path program 1 times [2024-10-14 17:12:02,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:02,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980100644] [2024-10-14 17:12:02,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:02,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:02,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:02,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980100644] [2024-10-14 17:12:02,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980100644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:02,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:02,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:02,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036012168] [2024-10-14 17:12:02,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:02,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:02,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:02,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:02,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:02,920 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-14 17:12:02,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:02,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:02,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-14 17:12:02,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:03,077 INFO L124 PetriNetUnfolderBase]: 12/777 cut-off events. [2024-10-14 17:12:03,077 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-10-14 17:12:03,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 777 events. 12/777 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2081 event pairs, 5 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 741. Up to 22 conditions per place. [2024-10-14 17:12:03,087 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-10-14 17:12:03,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 411 transitions, 858 flow [2024-10-14 17:12:03,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-14 17:12:03,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-14 17:12:03,091 INFO L175 Difference]: Start difference. First operand has 415 places, 412 transitions, 834 flow. Second operand 3 states and 1286 transitions. [2024-10-14 17:12:03,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 411 transitions, 858 flow [2024-10-14 17:12:03,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 411 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:03,100 INFO L231 Difference]: Finished difference. Result has 414 places, 411 transitions, 832 flow [2024-10-14 17:12:03,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=414, PETRI_TRANSITIONS=411} [2024-10-14 17:12:03,104 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-14 17:12:03,104 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 411 transitions, 832 flow [2024-10-14 17:12:03,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:03,106 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] [2024-10-14 17:12:03,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:12:03,107 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:03,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:03,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1914240621, now seen corresponding path program 1 times [2024-10-14 17:12:03,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:03,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591473675] [2024-10-14 17:12:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:03,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:03,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591473675] [2024-10-14 17:12:03,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591473675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:03,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:03,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:03,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684183455] [2024-10-14 17:12:03,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:03,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:03,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:03,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:03,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-14 17:12:03,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:03,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-14 17:12:03,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:03,355 INFO L124 PetriNetUnfolderBase]: 25/626 cut-off events. [2024-10-14 17:12:03,356 INFO L125 PetriNetUnfolderBase]: For 9/13 co-relation queries the response was YES. [2024-10-14 17:12:03,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 626 events. 25/626 cut-off events. For 9/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2198 event pairs, 20 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 610. Up to 50 conditions per place. [2024-10-14 17:12:03,368 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-14 17:12:03,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 410 transitions, 860 flow [2024-10-14 17:12:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-10-14 17:12:03,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-10-14 17:12:03,371 INFO L175 Difference]: Start difference. First operand has 414 places, 411 transitions, 832 flow. Second operand 3 states and 1282 transitions. [2024-10-14 17:12:03,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 410 transitions, 860 flow [2024-10-14 17:12:03,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:03,378 INFO L231 Difference]: Finished difference. Result has 413 places, 410 transitions, 830 flow [2024-10-14 17:12:03,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=413, PETRI_TRANSITIONS=410} [2024-10-14 17:12:03,380 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-14 17:12:03,380 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 410 transitions, 830 flow [2024-10-14 17:12:03,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:03,381 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] [2024-10-14 17:12:03,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:12:03,382 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:03,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:03,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1935635487, now seen corresponding path program 1 times [2024-10-14 17:12:03,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:03,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506553931] [2024-10-14 17:12:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:03,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:03,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:03,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506553931] [2024-10-14 17:12:03,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506553931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:03,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:03,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:03,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74792096] [2024-10-14 17:12:03,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:03,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:03,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:03,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:03,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:03,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-14 17:12:03,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:03,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-14 17:12:03,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:03,596 INFO L124 PetriNetUnfolderBase]: 14/681 cut-off events. [2024-10-14 17:12:03,596 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-14 17:12:03,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 681 events. 14/681 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1754 event pairs, 7 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 631. Up to 25 conditions per place. [2024-10-14 17:12:03,604 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2024-10-14 17:12:03,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 409 transitions, 854 flow [2024-10-14 17:12:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-14 17:12:03,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-14 17:12:03,607 INFO L175 Difference]: Start difference. First operand has 413 places, 410 transitions, 830 flow. Second operand 3 states and 1286 transitions. [2024-10-14 17:12:03,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 409 transitions, 854 flow [2024-10-14 17:12:03,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 409 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:03,614 INFO L231 Difference]: Finished difference. Result has 412 places, 409 transitions, 828 flow [2024-10-14 17:12:03,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=412, PETRI_TRANSITIONS=409} [2024-10-14 17:12:03,616 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-14 17:12:03,616 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 409 transitions, 828 flow [2024-10-14 17:12:03,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:03,617 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] [2024-10-14 17:12:03,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:12:03,617 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:03,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:03,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1967425806, now seen corresponding path program 1 times [2024-10-14 17:12:03,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:03,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451369206] [2024-10-14 17:12:03,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:03,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:03,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:03,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451369206] [2024-10-14 17:12:03,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451369206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:03,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:03,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:03,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778818552] [2024-10-14 17:12:03,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:03,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:03,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:03,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:03,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:03,699 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-14 17:12:03,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:03,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-14 17:12:03,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:03,804 INFO L124 PetriNetUnfolderBase]: 14/671 cut-off events. [2024-10-14 17:12:03,804 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-14 17:12:03,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 671 events. 14/671 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1727 event pairs, 7 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 613. Up to 25 conditions per place. [2024-10-14 17:12:03,815 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-10-14 17:12:03,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 852 flow [2024-10-14 17:12:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-14 17:12:03,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-14 17:12:03,819 INFO L175 Difference]: Start difference. First operand has 412 places, 409 transitions, 828 flow. Second operand 3 states and 1286 transitions. [2024-10-14 17:12:03,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 852 flow [2024-10-14 17:12:03,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 408 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:03,825 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 826 flow [2024-10-14 17:12:03,826 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-10-14 17:12:03,827 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-14 17:12:03,827 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 826 flow [2024-10-14 17:12:03,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:03,828 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] [2024-10-14 17:12:03,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:12:03,829 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:03,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:03,829 INFO L85 PathProgramCache]: Analyzing trace with hash -224796327, now seen corresponding path program 1 times [2024-10-14 17:12:03,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:03,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686778169] [2024-10-14 17:12:03,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:03,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:03,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:03,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686778169] [2024-10-14 17:12:03,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686778169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:03,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:03,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022014972] [2024-10-14 17:12:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:03,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:03,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:03,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:03,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:03,896 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:03,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:03,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:03,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:03,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:04,091 INFO L124 PetriNetUnfolderBase]: 34/1406 cut-off events. [2024-10-14 17:12:04,093 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:12:04,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1471 conditions, 1406 events. 34/1406 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8143 event pairs, 13 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 1370. Up to 43 conditions per place. [2024-10-14 17:12:04,111 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-14 17:12:04,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 862 flow [2024-10-14 17:12:04,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:04,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:04,115 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 826 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:04,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 862 flow [2024-10-14 17:12:04,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 410 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:04,122 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 832 flow [2024-10-14 17:12:04,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-10-14 17:12:04,124 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-10-14 17:12:04,124 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 832 flow [2024-10-14 17:12:04,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:04,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:04,125 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] [2024-10-14 17:12:04,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:12:04,126 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:04,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1280872901, now seen corresponding path program 1 times [2024-10-14 17:12:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:04,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349180152] [2024-10-14 17:12:04,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:04,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:04,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:04,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349180152] [2024-10-14 17:12:04,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349180152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:04,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:04,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:04,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946940920] [2024-10-14 17:12:04,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:04,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:04,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:04,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:04,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:04,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:04,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:04,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:04,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:04,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:04,446 INFO L124 PetriNetUnfolderBase]: 40/1646 cut-off events. [2024-10-14 17:12:04,446 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:12:04,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 1646 events. 40/1646 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10640 event pairs, 14 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 1337. Up to 49 conditions per place. [2024-10-14 17:12:04,465 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-14 17:12:04,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 410 transitions, 868 flow [2024-10-14 17:12:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:04,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:04,469 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 832 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:04,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 410 transitions, 868 flow [2024-10-14 17:12:04,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 410 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:04,475 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 842 flow [2024-10-14 17:12:04,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-10-14 17:12:04,476 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-14 17:12:04,476 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 842 flow [2024-10-14 17:12:04,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:04,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:04,478 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] [2024-10-14 17:12:04,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:12:04,479 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:04,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:04,479 INFO L85 PathProgramCache]: Analyzing trace with hash -137455449, now seen corresponding path program 1 times [2024-10-14 17:12:04,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:04,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197575888] [2024-10-14 17:12:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:04,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:04,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:04,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197575888] [2024-10-14 17:12:04,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197575888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:04,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:04,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:04,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293818351] [2024-10-14 17:12:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:04,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:04,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:04,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:04,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:04,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:04,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:04,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:04,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:04,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:04,688 INFO L124 PetriNetUnfolderBase]: 24/902 cut-off events. [2024-10-14 17:12:04,688 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:12:04,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 902 events. 24/902 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4377 event pairs, 4 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 759. Up to 31 conditions per place. [2024-10-14 17:12:04,709 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-14 17:12:04,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 878 flow [2024-10-14 17:12:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:04,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:04,712 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 842 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:04,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 878 flow [2024-10-14 17:12:04,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 410 transitions, 878 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:04,719 INFO L231 Difference]: Finished difference. Result has 412 places, 408 transitions, 852 flow [2024-10-14 17:12:04,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=412, PETRI_TRANSITIONS=408} [2024-10-14 17:12:04,720 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-14 17:12:04,720 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 408 transitions, 852 flow [2024-10-14 17:12:04,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:04,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:04,721 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] [2024-10-14 17:12:04,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:12:04,722 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:04,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:04,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1049338249, now seen corresponding path program 1 times [2024-10-14 17:12:04,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:04,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592259390] [2024-10-14 17:12:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:04,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:04,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592259390] [2024-10-14 17:12:04,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592259390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:04,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:04,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:04,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422843904] [2024-10-14 17:12:04,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:04,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:04,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:04,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:04,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:04,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:04,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 408 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:04,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:04,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:04,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:04,994 INFO L124 PetriNetUnfolderBase]: 26/943 cut-off events. [2024-10-14 17:12:04,994 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:12:05,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 943 events. 26/943 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4688 event pairs, 4 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 810. Up to 35 conditions per place. [2024-10-14 17:12:05,015 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-14 17:12:05,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 410 transitions, 888 flow [2024-10-14 17:12:05,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:05,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:05,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:05,019 INFO L175 Difference]: Start difference. First operand has 412 places, 408 transitions, 852 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:05,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 410 transitions, 888 flow [2024-10-14 17:12:05,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 410 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:05,027 INFO L231 Difference]: Finished difference. Result has 413 places, 408 transitions, 862 flow [2024-10-14 17:12:05,027 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=413, PETRI_TRANSITIONS=408} [2024-10-14 17:12:05,028 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-14 17:12:05,029 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 408 transitions, 862 flow [2024-10-14 17:12:05,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:05,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:05,031 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] [2024-10-14 17:12:05,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 17:12:05,031 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:05,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash -200193379, now seen corresponding path program 1 times [2024-10-14 17:12:05,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:05,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887126776] [2024-10-14 17:12:05,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:05,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887126776] [2024-10-14 17:12:05,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887126776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:05,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:05,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:05,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311713501] [2024-10-14 17:12:05,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:05,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:05,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:05,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:05,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:05,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:05,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 408 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:05,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:05,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:05,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:05,351 INFO L124 PetriNetUnfolderBase]: 66/1778 cut-off events. [2024-10-14 17:12:05,351 INFO L125 PetriNetUnfolderBase]: For 21/25 co-relation queries the response was YES. [2024-10-14 17:12:05,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1778 events. 66/1778 cut-off events. For 21/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10935 event pairs, 10 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 1461. Up to 80 conditions per place. [2024-10-14 17:12:05,374 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-14 17:12:05,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 410 transitions, 898 flow [2024-10-14 17:12:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:05,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:05,377 INFO L175 Difference]: Start difference. First operand has 413 places, 408 transitions, 862 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:05,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 410 transitions, 898 flow [2024-10-14 17:12:05,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 898 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:05,385 INFO L231 Difference]: Finished difference. Result has 414 places, 408 transitions, 872 flow [2024-10-14 17:12:05,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=414, PETRI_TRANSITIONS=408} [2024-10-14 17:12:05,386 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-14 17:12:05,386 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 408 transitions, 872 flow [2024-10-14 17:12:05,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:05,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:05,388 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] [2024-10-14 17:12:05,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 17:12:05,388 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:05,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:05,389 INFO L85 PathProgramCache]: Analyzing trace with hash 887727743, now seen corresponding path program 1 times [2024-10-14 17:12:05,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:05,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253428517] [2024-10-14 17:12:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:05,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:05,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:05,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253428517] [2024-10-14 17:12:05,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253428517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:05,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:05,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:05,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51804726] [2024-10-14 17:12:05,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:05,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:05,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:05,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:05,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:05,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:05,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 408 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:05,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:05,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:05,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:05,736 INFO L124 PetriNetUnfolderBase]: 75/1940 cut-off events. [2024-10-14 17:12:05,737 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-10-14 17:12:05,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 1940 events. 75/1940 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12063 event pairs, 19 based on Foata normal form. 0/1662 useless extension candidates. Maximal degree in co-relation 1659. Up to 90 conditions per place. [2024-10-14 17:12:05,757 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-14 17:12:05,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 410 transitions, 908 flow [2024-10-14 17:12:05,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:05,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:05,761 INFO L175 Difference]: Start difference. First operand has 414 places, 408 transitions, 872 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:05,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 410 transitions, 908 flow [2024-10-14 17:12:05,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 410 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:05,767 INFO L231 Difference]: Finished difference. Result has 415 places, 408 transitions, 882 flow [2024-10-14 17:12:05,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=415, PETRI_TRANSITIONS=408} [2024-10-14 17:12:05,768 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-10-14 17:12:05,768 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 408 transitions, 882 flow [2024-10-14 17:12:05,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:05,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:05,770 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:05,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 17:12:05,770 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:05,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:05,770 INFO L85 PathProgramCache]: Analyzing trace with hash -89474115, now seen corresponding path program 1 times [2024-10-14 17:12:05,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:05,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669263605] [2024-10-14 17:12:05,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:05,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:05,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:05,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669263605] [2024-10-14 17:12:05,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669263605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:05,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:05,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:05,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185629865] [2024-10-14 17:12:05,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:05,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:05,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:05,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:05,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:05,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-14 17:12:05,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 408 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:05,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:05,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-14 17:12:05,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:06,108 INFO L124 PetriNetUnfolderBase]: 163/1738 cut-off events. [2024-10-14 17:12:06,109 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-14 17:12:06,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2090 conditions, 1738 events. 163/1738 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12345 event pairs, 60 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 1724. Up to 239 conditions per place. [2024-10-14 17:12:06,130 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-10-14 17:12:06,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 922 flow [2024-10-14 17:12:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-14 17:12:06,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-14 17:12:06,134 INFO L175 Difference]: Start difference. First operand has 415 places, 408 transitions, 882 flow. Second operand 3 states and 1283 transitions. [2024-10-14 17:12:06,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 922 flow [2024-10-14 17:12:06,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 408 transitions, 922 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:06,140 INFO L231 Difference]: Finished difference. Result has 414 places, 406 transitions, 888 flow [2024-10-14 17:12:06,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=414, PETRI_TRANSITIONS=406} [2024-10-14 17:12:06,141 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-14 17:12:06,141 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 406 transitions, 888 flow [2024-10-14 17:12:06,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:06,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:06,142 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] [2024-10-14 17:12:06,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:12:06,143 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:06,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:06,143 INFO L85 PathProgramCache]: Analyzing trace with hash -85243873, now seen corresponding path program 1 times [2024-10-14 17:12:06,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:06,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109308458] [2024-10-14 17:12:06,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:06,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:06,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109308458] [2024-10-14 17:12:06,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109308458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:06,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:06,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:06,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784536377] [2024-10-14 17:12:06,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:06,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:06,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:06,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:06,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:06,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-14 17:12:06,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 406 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:06,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:06,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-14 17:12:06,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:06,497 INFO L124 PetriNetUnfolderBase]: 121/1554 cut-off events. [2024-10-14 17:12:06,498 INFO L125 PetriNetUnfolderBase]: For 21/45 co-relation queries the response was YES. [2024-10-14 17:12:06,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1849 conditions, 1554 events. 121/1554 cut-off events. For 21/45 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9833 event pairs, 52 based on Foata normal form. 3/1362 useless extension candidates. Maximal degree in co-relation 1555. Up to 191 conditions per place. [2024-10-14 17:12:06,516 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-10-14 17:12:06,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 406 transitions, 928 flow [2024-10-14 17:12:06,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-14 17:12:06,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-14 17:12:06,520 INFO L175 Difference]: Start difference. First operand has 414 places, 406 transitions, 888 flow. Second operand 3 states and 1283 transitions. [2024-10-14 17:12:06,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 406 transitions, 928 flow [2024-10-14 17:12:06,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 406 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:06,527 INFO L231 Difference]: Finished difference. Result has 413 places, 404 transitions, 894 flow [2024-10-14 17:12:06,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=413, PETRI_TRANSITIONS=404} [2024-10-14 17:12:06,528 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-14 17:12:06,528 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 404 transitions, 894 flow [2024-10-14 17:12:06,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:06,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:06,529 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] [2024-10-14 17:12:06,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 17:12:06,530 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:06,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:06,530 INFO L85 PathProgramCache]: Analyzing trace with hash 845672241, now seen corresponding path program 1 times [2024-10-14 17:12:06,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:06,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141209388] [2024-10-14 17:12:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:06,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:06,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:06,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141209388] [2024-10-14 17:12:06,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141209388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:06,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:06,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:06,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746492109] [2024-10-14 17:12:06,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:06,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:06,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:06,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:06,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-14 17:12:06,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 404 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:06,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:06,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-14 17:12:06,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:06,972 INFO L124 PetriNetUnfolderBase]: 231/1986 cut-off events. [2024-10-14 17:12:06,972 INFO L125 PetriNetUnfolderBase]: For 51/53 co-relation queries the response was YES. [2024-10-14 17:12:06,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 1986 events. 231/1986 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 13110 event pairs, 76 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2096. Up to 364 conditions per place. [2024-10-14 17:12:07,003 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-10-14 17:12:07,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 404 transitions, 934 flow [2024-10-14 17:12:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-14 17:12:07,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-14 17:12:07,007 INFO L175 Difference]: Start difference. First operand has 413 places, 404 transitions, 894 flow. Second operand 3 states and 1283 transitions. [2024-10-14 17:12:07,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 404 transitions, 934 flow [2024-10-14 17:12:07,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 404 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:07,014 INFO L231 Difference]: Finished difference. Result has 412 places, 402 transitions, 900 flow [2024-10-14 17:12:07,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=402} [2024-10-14 17:12:07,015 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-14 17:12:07,015 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 402 transitions, 900 flow [2024-10-14 17:12:07,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:07,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:07,016 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] [2024-10-14 17:12:07,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 17:12:07,017 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:07,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:07,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2049955640, now seen corresponding path program 1 times [2024-10-14 17:12:07,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:07,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249379299] [2024-10-14 17:12:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:07,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:07,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:07,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249379299] [2024-10-14 17:12:07,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249379299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:07,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:07,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:07,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227349174] [2024-10-14 17:12:07,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:07,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:07,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:07,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:07,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:07,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 454 [2024-10-14 17:12:07,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 402 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:07,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:07,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 454 [2024-10-14 17:12:07,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:07,283 INFO L124 PetriNetUnfolderBase]: 55/1300 cut-off events. [2024-10-14 17:12:07,283 INFO L125 PetriNetUnfolderBase]: For 7/31 co-relation queries the response was YES. [2024-10-14 17:12:07,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 1300 events. 55/1300 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6941 event pairs, 4 based on Foata normal form. 4/1205 useless extension candidates. Maximal degree in co-relation 1196. Up to 30 conditions per place. [2024-10-14 17:12:07,302 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-10-14 17:12:07,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 403 transitions, 930 flow [2024-10-14 17:12:07,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-14 17:12:07,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-14 17:12:07,306 INFO L175 Difference]: Start difference. First operand has 412 places, 402 transitions, 900 flow. Second operand 3 states and 1295 transitions. [2024-10-14 17:12:07,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 403 transitions, 930 flow [2024-10-14 17:12:07,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 403 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:12:07,312 INFO L231 Difference]: Finished difference. Result has 413 places, 401 transitions, 902 flow [2024-10-14 17:12:07,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=413, PETRI_TRANSITIONS=401} [2024-10-14 17:12:07,313 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-14 17:12:07,313 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 401 transitions, 902 flow [2024-10-14 17:12:07,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:07,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:07,314 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] [2024-10-14 17:12:07,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 17:12:07,314 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:07,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:07,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1092350566, now seen corresponding path program 1 times [2024-10-14 17:12:07,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:07,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234227758] [2024-10-14 17:12:07,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:07,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:07,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:07,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234227758] [2024-10-14 17:12:07,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234227758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:07,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:07,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:07,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598438874] [2024-10-14 17:12:07,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:07,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:07,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:07,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:07,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:07,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:07,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 401 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:07,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:07,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:07,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:07,618 INFO L124 PetriNetUnfolderBase]: 81/1576 cut-off events. [2024-10-14 17:12:07,618 INFO L125 PetriNetUnfolderBase]: For 19/31 co-relation queries the response was YES. [2024-10-14 17:12:07,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1576 events. 81/1576 cut-off events. For 19/31 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9341 event pairs, 14 based on Foata normal form. 1/1465 useless extension candidates. Maximal degree in co-relation 1758. Up to 53 conditions per place. [2024-10-14 17:12:07,648 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-14 17:12:07,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 402 transitions, 934 flow [2024-10-14 17:12:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-10-14 17:12:07,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-10-14 17:12:07,651 INFO L175 Difference]: Start difference. First operand has 413 places, 401 transitions, 902 flow. Second operand 3 states and 1293 transitions. [2024-10-14 17:12:07,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 402 transitions, 934 flow [2024-10-14 17:12:07,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 402 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:07,659 INFO L231 Difference]: Finished difference. Result has 412 places, 400 transitions, 900 flow [2024-10-14 17:12:07,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=400} [2024-10-14 17:12:07,660 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-14 17:12:07,660 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 400 transitions, 900 flow [2024-10-14 17:12:07,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:07,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:07,661 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] [2024-10-14 17:12:07,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 17:12:07,662 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:07,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash -370909162, now seen corresponding path program 1 times [2024-10-14 17:12:07,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367798176] [2024-10-14 17:12:07,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:07,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:07,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:07,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367798176] [2024-10-14 17:12:07,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367798176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:07,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:07,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:07,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921272271] [2024-10-14 17:12:07,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:07,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:07,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:07,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:07,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:07,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:07,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 400 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:07,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:07,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:07,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:07,933 INFO L124 PetriNetUnfolderBase]: 65/1219 cut-off events. [2024-10-14 17:12:07,934 INFO L125 PetriNetUnfolderBase]: For 25/31 co-relation queries the response was YES. [2024-10-14 17:12:07,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1219 events. 65/1219 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6137 event pairs, 10 based on Foata normal form. 0/1146 useless extension candidates. Maximal degree in co-relation 1397. Up to 63 conditions per place. [2024-10-14 17:12:07,955 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-10-14 17:12:07,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 401 transitions, 932 flow [2024-10-14 17:12:07,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-10-14 17:12:07,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-10-14 17:12:07,958 INFO L175 Difference]: Start difference. First operand has 412 places, 400 transitions, 900 flow. Second operand 3 states and 1293 transitions. [2024-10-14 17:12:07,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 401 transitions, 932 flow [2024-10-14 17:12:07,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 401 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:07,965 INFO L231 Difference]: Finished difference. Result has 411 places, 399 transitions, 898 flow [2024-10-14 17:12:07,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=411, PETRI_TRANSITIONS=399} [2024-10-14 17:12:07,966 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-14 17:12:07,966 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 399 transitions, 898 flow [2024-10-14 17:12:07,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:07,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:07,967 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:07,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 17:12:07,968 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:07,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash -433715592, now seen corresponding path program 1 times [2024-10-14 17:12:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:07,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548044392] [2024-10-14 17:12:07,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:08,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:08,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548044392] [2024-10-14 17:12:08,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548044392] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:08,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:08,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:08,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704576029] [2024-10-14 17:12:08,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:08,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:08,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:08,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:08,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:08,075 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 454 [2024-10-14 17:12:08,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 399 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:08,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:08,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 454 [2024-10-14 17:12:08,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:08,272 INFO L124 PetriNetUnfolderBase]: 49/1259 cut-off events. [2024-10-14 17:12:08,273 INFO L125 PetriNetUnfolderBase]: For 7/16 co-relation queries the response was YES. [2024-10-14 17:12:08,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 1259 events. 49/1259 cut-off events. For 7/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6503 event pairs, 2 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1326. Up to 30 conditions per place. [2024-10-14 17:12:08,294 INFO L140 encePairwiseOnDemand]: 452/454 looper letters, 8 selfloop transitions, 1 changer transitions 0/398 dead transitions. [2024-10-14 17:12:08,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 398 transitions, 914 flow [2024-10-14 17:12:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2024-10-14 17:12:08,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9522760646108663 [2024-10-14 17:12:08,298 INFO L175 Difference]: Start difference. First operand has 411 places, 399 transitions, 898 flow. Second operand 3 states and 1297 transitions. [2024-10-14 17:12:08,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 398 transitions, 914 flow [2024-10-14 17:12:08,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 398 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:08,304 INFO L231 Difference]: Finished difference. Result has 410 places, 398 transitions, 894 flow [2024-10-14 17:12:08,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=410, PETRI_TRANSITIONS=398} [2024-10-14 17:12:08,305 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-10-14 17:12:08,306 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 398 transitions, 894 flow [2024-10-14 17:12:08,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:08,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:08,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:08,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 17:12:08,307 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:08,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:08,308 INFO L85 PathProgramCache]: Analyzing trace with hash 41553439, now seen corresponding path program 1 times [2024-10-14 17:12:08,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:08,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740787874] [2024-10-14 17:12:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:08,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740787874] [2024-10-14 17:12:08,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740787874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:08,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:08,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:08,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018996534] [2024-10-14 17:12:08,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:08,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:08,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:08,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:08,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:08,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:08,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 398 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:08,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:08,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:08,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:08,642 INFO L124 PetriNetUnfolderBase]: 60/1492 cut-off events. [2024-10-14 17:12:08,642 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-10-14 17:12:08,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1492 events. 60/1492 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8525 event pairs, 7 based on Foata normal form. 0/1401 useless extension candidates. Maximal degree in co-relation 1694. Up to 36 conditions per place. [2024-10-14 17:12:08,670 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 10 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2024-10-14 17:12:08,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 396 transitions, 912 flow [2024-10-14 17:12:08,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:08,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-10-14 17:12:08,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478707782672541 [2024-10-14 17:12:08,674 INFO L175 Difference]: Start difference. First operand has 410 places, 398 transitions, 894 flow. Second operand 3 states and 1291 transitions. [2024-10-14 17:12:08,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 396 transitions, 912 flow [2024-10-14 17:12:08,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 396 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:12:08,681 INFO L231 Difference]: Finished difference. Result has 409 places, 396 transitions, 891 flow [2024-10-14 17:12:08,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=409, PETRI_TRANSITIONS=396} [2024-10-14 17:12:08,682 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -16 predicate places. [2024-10-14 17:12:08,682 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 396 transitions, 891 flow [2024-10-14 17:12:08,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:08,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:08,683 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:08,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 17:12:08,683 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-14 17:12:08,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1033353884, now seen corresponding path program 1 times [2024-10-14 17:12:08,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:08,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460196328] [2024-10-14 17:12:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:08,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:12:08,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:08,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460196328] [2024-10-14 17:12:08,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460196328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:08,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:08,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:08,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003179749] [2024-10-14 17:12:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:08,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:08,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:08,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:08,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:08,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-14 17:12:08,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 396 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:08,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:08,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-14 17:12:08,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:08,988 INFO L124 PetriNetUnfolderBase]: 50/1171 cut-off events. [2024-10-14 17:12:08,988 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-10-14 17:12:09,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 1171 events. 50/1171 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5851 event pairs, 5 based on Foata normal form. 1/1103 useless extension candidates. Maximal degree in co-relation 1349. Up to 36 conditions per place. [2024-10-14 17:12:09,001 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 0 selfloop transitions, 0 changer transitions 394/394 dead transitions. [2024-10-14 17:12:09,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 394 transitions, 907 flow [2024-10-14 17:12:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:09,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2024-10-14 17:12:09,005 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.947136563876652 [2024-10-14 17:12:09,005 INFO L175 Difference]: Start difference. First operand has 409 places, 396 transitions, 891 flow. Second operand 3 states and 1290 transitions. [2024-10-14 17:12:09,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 394 transitions, 907 flow [2024-10-14 17:12:09,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 394 transitions, 906 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:12:09,011 INFO L231 Difference]: Finished difference. Result has 408 places, 0 transitions, 0 flow [2024-10-14 17:12:09,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=408, PETRI_TRANSITIONS=0} [2024-10-14 17:12:09,012 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -17 predicate places. [2024-10-14 17:12:09,012 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 0 transitions, 0 flow [2024-10-14 17:12:09,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:09,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2024-10-14 17:12:09,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2024-10-14 17:12:09,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2024-10-14 17:12:09,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2024-10-14 17:12:09,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2024-10-14 17:12:09,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2024-10-14 17:12:09,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2024-10-14 17:12:09,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2024-10-14 17:12:09,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2024-10-14 17:12:09,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2024-10-14 17:12:09,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2024-10-14 17:12:09,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2024-10-14 17:12:09,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2024-10-14 17:12:09,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2024-10-14 17:12:09,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2024-10-14 17:12:09,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2024-10-14 17:12:09,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2024-10-14 17:12:09,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2024-10-14 17:12:09,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2024-10-14 17:12:09,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2024-10-14 17:12:09,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2024-10-14 17:12:09,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2024-10-14 17:12:09,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2024-10-14 17:12:09,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2024-10-14 17:12:09,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2024-10-14 17:12:09,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2024-10-14 17:12:09,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2024-10-14 17:12:09,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2024-10-14 17:12:09,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2024-10-14 17:12:09,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2024-10-14 17:12:09,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2024-10-14 17:12:09,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2024-10-14 17:12:09,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2024-10-14 17:12:09,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2024-10-14 17:12:09,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2024-10-14 17:12:09,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2024-10-14 17:12:09,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2024-10-14 17:12:09,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2024-10-14 17:12:09,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2024-10-14 17:12:09,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2024-10-14 17:12:09,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2024-10-14 17:12:09,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2024-10-14 17:12:09,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2024-10-14 17:12:09,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2024-10-14 17:12:09,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2024-10-14 17:12:09,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2024-10-14 17:12:09,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2024-10-14 17:12:09,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2024-10-14 17:12:09,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2024-10-14 17:12:09,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2024-10-14 17:12:09,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2024-10-14 17:12:09,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2024-10-14 17:12:09,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2024-10-14 17:12:09,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2024-10-14 17:12:09,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2024-10-14 17:12:09,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2024-10-14 17:12:09,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2024-10-14 17:12:09,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2024-10-14 17:12:09,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2024-10-14 17:12:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2024-10-14 17:12:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2024-10-14 17:12:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2024-10-14 17:12:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2024-10-14 17:12:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2024-10-14 17:12:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 17:12:09,029 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:09,035 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:12:09,035 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:12:09,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:12:09 BasicIcfg [2024-10-14 17:12:09,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:12:09,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:12:09,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:12:09,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:12:09,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:12:00" (3/4) ... [2024-10-14 17:12:09,044 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:12:09,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:12:09,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:12:09,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-14 17:12:09,056 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-14 17:12:09,057 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:12:09,057 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:12:09,058 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:12:09,154 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:12:09,155 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:12:09,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:12:09,156 INFO L158 Benchmark]: Toolchain (without parser) took 9956.13ms. Allocated memory was 165.7MB in the beginning and 635.4MB in the end (delta: 469.8MB). Free memory was 113.3MB in the beginning and 553.2MB in the end (delta: -439.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-10-14 17:12:09,156 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:12:09,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.60ms. Allocated memory is still 165.7MB. Free memory was 112.9MB in the beginning and 99.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 17:12:09,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.22ms. Allocated memory is still 165.7MB. Free memory was 99.3MB in the beginning and 96.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:12:09,157 INFO L158 Benchmark]: Boogie Preprocessor took 59.50ms. Allocated memory is still 165.7MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:12:09,157 INFO L158 Benchmark]: RCFGBuilder took 754.50ms. Allocated memory is still 165.7MB. Free memory was 94.4MB in the beginning and 110.3MB in the end (delta: -15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-14 17:12:09,158 INFO L158 Benchmark]: TraceAbstraction took 8645.84ms. Allocated memory was 165.7MB in the beginning and 635.4MB in the end (delta: 469.8MB). Free memory was 109.4MB in the beginning and 559.5MB in the end (delta: -450.1MB). Peak memory consumption was 264.6MB. Max. memory is 16.1GB. [2024-10-14 17:12:09,158 INFO L158 Benchmark]: Witness Printer took 114.30ms. Allocated memory is still 635.4MB. Free memory was 559.5MB in the beginning and 553.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:12:09,159 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.60ms. Allocated memory is still 165.7MB. Free memory was 112.9MB in the beginning and 99.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.22ms. Allocated memory is still 165.7MB. Free memory was 99.3MB in the beginning and 96.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.50ms. Allocated memory is still 165.7MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.50ms. Allocated memory is still 165.7MB. Free memory was 94.4MB in the beginning and 110.3MB in the end (delta: -15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8645.84ms. Allocated memory was 165.7MB in the beginning and 635.4MB in the end (delta: 469.8MB). Free memory was 109.4MB in the beginning and 559.5MB in the end (delta: -450.1MB). Peak memory consumption was 264.6MB. Max. memory is 16.1GB. * Witness Printer took 114.30ms. Allocated memory is still 635.4MB. Free memory was 559.5MB in the beginning and 553.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 710 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.5s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 129 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=902occurred in iteration=19, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 3270 NumberOfCodeBlocks, 3270 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3246 ConstructedInterpolants, 0 QuantifiedInterpolants, 3294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:12:09,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE