./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-node-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-node-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 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:36:57,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:36:57,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:36:57,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:36:57,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:36:57,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:36:57,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:36:57,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:36:57,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:36:57,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:36:57,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:36:57,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:36:57,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:36:57,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:36:57,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:36:57,334 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:36:57,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:36:57,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:36:57,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:36:57,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:36:57,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:36:57,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:36:57,336 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:36:57,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:36:57,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:36:57,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:36:57,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:36:57,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:36:57,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:36:57,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:36:57,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:36:57,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:36:57,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:36:57,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:36:57,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:36:57,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:36:57,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:36:57,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:36:57,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:36:57,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:36:57,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:36:57,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 [2024-11-12 12:36:57,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:36:57,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:36:57,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:36:57,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:36:57,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:36:57,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-12 12:36:59,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:36:59,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:36:59,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-12 12:36:59,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374c5eb1e/636ca0a5aa664181895fb0632c002f13/FLAG282bf316c [2024-11-12 12:36:59,649 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374c5eb1e/636ca0a5aa664181895fb0632c002f13 [2024-11-12 12:36:59,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:36:59,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:36:59,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:36:59,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:36:59,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:36:59,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:36:59" (1/1) ... [2024-11-12 12:36:59,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50efec2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:36:59, skipping insertion in model container [2024-11-12 12:36:59,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:36:59" (1/1) ... [2024-11-12 12:36:59,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:36:59,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:36:59,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:37:00,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:37:00,021 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:37:00,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00 WrapperNode [2024-11-12 12:37:00,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:37:00,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:37:00,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:37:00,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:37:00,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,094 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 797 [2024-11-12 12:37:00,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:37:00,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:37:00,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:37:00,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:37:00,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:37:00,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:37:00,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:37:00,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:37:00,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (1/1) ... [2024-11-12 12:37:00,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:37:00,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:37:00,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:37:00,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:37:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:37:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:37:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:37:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:37:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:37:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:37:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:37:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-12 12:37:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-12 12:37:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:37:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:37:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:37:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:37:00,280 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:37:00,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:37:00,446 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:37:01,538 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:37:01,538 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:37:01,580 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:37:01,580 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-12 12:37:01,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:37:01 BoogieIcfgContainer [2024-11-12 12:37:01,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:37:01,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:37:01,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:37:01,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:37:01,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:36:59" (1/3) ... [2024-11-12 12:37:01,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d5b1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:37:01, skipping insertion in model container [2024-11-12 12:37:01,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:00" (2/3) ... [2024-11-12 12:37:01,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d5b1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:37:01, skipping insertion in model container [2024-11-12 12:37:01,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:37:01" (3/3) ... [2024-11-12 12:37:01,597 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2024-11-12 12:37:01,612 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:37:01,612 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 116 error locations. [2024-11-12 12:37:01,612 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:37:01,866 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-12 12:37:01,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-12 12:37:02,387 INFO L124 PetriNetUnfolderBase]: 48/1051 cut-off events. [2024-11-12 12:37:02,388 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 12:37:02,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1064 conditions, 1051 events. 48/1051 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2176 event pairs, 0 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 855. Up to 2 conditions per place. [2024-11-12 12:37:02,419 INFO L82 GeneralOperation]: Start removeDead. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-12 12:37:02,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 993 places, 1028 transitions, 2074 flow [2024-11-12 12:37:02,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:37:02,466 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;@551b1680, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:37:02,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 194 error locations. [2024-11-12 12:37:02,472 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:37:02,472 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-12 12:37:02,473 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:37:02,473 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:02,474 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:02,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:02,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:02,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2026280969, now seen corresponding path program 1 times [2024-11-12 12:37:02,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:02,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134572997] [2024-11-12 12:37:02,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:02,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:02,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:02,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134572997] [2024-11-12 12:37:02,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134572997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:02,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:02,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:02,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106181384] [2024-11-12 12:37:02,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:02,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:02,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:02,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:02,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:02,901 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-12 12:37:02,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 993 places, 1028 transitions, 2074 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:02,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:02,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-12 12:37:02,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:03,710 INFO L124 PetriNetUnfolderBase]: 86/2508 cut-off events. [2024-11-12 12:37:03,711 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-12 12:37:03,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2651 conditions, 2508 events. 86/2508 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14336 event pairs, 39 based on Foata normal form. 68/2125 useless extension candidates. Maximal degree in co-relation 1937. Up to 89 conditions per place. [2024-11-12 12:37:03,774 INFO L140 encePairwiseOnDemand]: 1023/1054 looper letters, 19 selfloop transitions, 2 changer transitions 16/999 dead transitions. [2024-11-12 12:37:03,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 994 places, 999 transitions, 2058 flow [2024-11-12 12:37:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:03,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3053 transitions. [2024-11-12 12:37:03,800 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.965528146742568 [2024-11-12 12:37:03,802 INFO L175 Difference]: Start difference. First operand has 993 places, 1028 transitions, 2074 flow. Second operand 3 states and 3053 transitions. [2024-11-12 12:37:03,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 994 places, 999 transitions, 2058 flow [2024-11-12 12:37:03,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 988 places, 999 transitions, 2046 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-12 12:37:03,832 INFO L231 Difference]: Finished difference. Result has 988 places, 983 transitions, 1976 flow [2024-11-12 12:37:03,836 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=2004, PETRI_DIFFERENCE_MINUEND_PLACES=986, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=999, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=997, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1976, PETRI_PLACES=988, PETRI_TRANSITIONS=983} [2024-11-12 12:37:03,842 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -5 predicate places. [2024-11-12 12:37:03,844 INFO L471 AbstractCegarLoop]: Abstraction has has 988 places, 983 transitions, 1976 flow [2024-11-12 12:37:03,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:03,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:03,847 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:03,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:37:03,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:03,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:03,848 INFO L85 PathProgramCache]: Analyzing trace with hash 135341622, now seen corresponding path program 1 times [2024-11-12 12:37:03,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:03,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572872272] [2024-11-12 12:37:03,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:03,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:03,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:03,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572872272] [2024-11-12 12:37:03,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572872272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:03,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:03,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:03,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579064196] [2024-11-12 12:37:03,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:03,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:03,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:03,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:04,009 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-12 12:37:04,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 988 places, 983 transitions, 1976 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:04,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:04,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-12 12:37:04,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:05,141 INFO L124 PetriNetUnfolderBase]: 212/3960 cut-off events. [2024-11-12 12:37:05,142 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-12 12:37:05,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4280 conditions, 3960 events. 212/3960 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 29672 event pairs, 132 based on Foata normal form. 0/3318 useless extension candidates. Maximal degree in co-relation 4237. Up to 257 conditions per place. [2024-11-12 12:37:05,220 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/973 dead transitions. [2024-11-12 12:37:05,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 973 transitions, 2010 flow [2024-11-12 12:37:05,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:05,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-12 12:37:05,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-12 12:37:05,229 INFO L175 Difference]: Start difference. First operand has 988 places, 983 transitions, 1976 flow. Second operand 3 states and 2998 transitions. [2024-11-12 12:37:05,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 973 transitions, 2010 flow [2024-11-12 12:37:05,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 973 transitions, 2006 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:05,245 INFO L231 Difference]: Finished difference. Result has 962 places, 973 transitions, 1954 flow [2024-11-12 12:37:05,247 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1952, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=972, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1954, PETRI_PLACES=962, PETRI_TRANSITIONS=973} [2024-11-12 12:37:05,248 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -31 predicate places. [2024-11-12 12:37:05,249 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 973 transitions, 1954 flow [2024-11-12 12:37:05,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:05,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:05,251 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:05,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:37:05,251 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:05,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:05,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1957615406, now seen corresponding path program 1 times [2024-11-12 12:37:05,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:05,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690784729] [2024-11-12 12:37:05,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:05,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:05,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:05,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690784729] [2024-11-12 12:37:05,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690784729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:05,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:05,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:05,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482453991] [2024-11-12 12:37:05,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:05,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:05,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:05,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:05,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:05,386 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-12 12:37:05,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 973 transitions, 1954 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:05,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:05,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-12 12:37:05,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:06,049 INFO L124 PetriNetUnfolderBase]: 62/2211 cut-off events. [2024-11-12 12:37:06,049 INFO L125 PetriNetUnfolderBase]: For 9/16 co-relation queries the response was YES. [2024-11-12 12:37:06,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 2211 events. 62/2211 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 11135 event pairs, 21 based on Foata normal form. 0/1845 useless extension candidates. Maximal degree in co-relation 2244. Up to 62 conditions per place. [2024-11-12 12:37:06,112 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/972 dead transitions. [2024-11-12 12:37:06,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 963 places, 972 transitions, 1994 flow [2024-11-12 12:37:06,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-12 12:37:06,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-12 12:37:06,121 INFO L175 Difference]: Start difference. First operand has 962 places, 973 transitions, 1954 flow. Second operand 3 states and 3025 transitions. [2024-11-12 12:37:06,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 963 places, 972 transitions, 1994 flow [2024-11-12 12:37:06,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 972 transitions, 1993 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:37:06,141 INFO L231 Difference]: Finished difference. Result has 962 places, 972 transitions, 1955 flow [2024-11-12 12:37:06,142 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1951, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=970, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1955, PETRI_PLACES=962, PETRI_TRANSITIONS=972} [2024-11-12 12:37:06,144 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -31 predicate places. [2024-11-12 12:37:06,145 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 972 transitions, 1955 flow [2024-11-12 12:37:06,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:06,165 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:06,166 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:06,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:37:06,166 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:06,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:06,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1220255805, now seen corresponding path program 1 times [2024-11-12 12:37:06,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:06,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248385149] [2024-11-12 12:37:06,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:06,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:06,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:06,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248385149] [2024-11-12 12:37:06,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248385149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:06,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:06,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:06,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170335731] [2024-11-12 12:37:06,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:06,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:06,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:06,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:06,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:06,295 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-12 12:37:06,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 972 transitions, 1955 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:06,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:06,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-12 12:37:06,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:07,028 INFO L124 PetriNetUnfolderBase]: 116/2624 cut-off events. [2024-11-12 12:37:07,029 INFO L125 PetriNetUnfolderBase]: For 17/119 co-relation queries the response was YES. [2024-11-12 12:37:07,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2795 conditions, 2624 events. 116/2624 cut-off events. For 17/119 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 15867 event pairs, 60 based on Foata normal form. 0/2222 useless extension candidates. Maximal degree in co-relation 2753. Up to 149 conditions per place. [2024-11-12 12:37:07,196 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/962 dead transitions. [2024-11-12 12:37:07,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 962 transitions, 1989 flow [2024-11-12 12:37:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-12 12:37:07,202 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-12 12:37:07,202 INFO L175 Difference]: Start difference. First operand has 962 places, 972 transitions, 1955 flow. Second operand 3 states and 2998 transitions. [2024-11-12 12:37:07,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 962 transitions, 1989 flow [2024-11-12 12:37:07,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 962 transitions, 1985 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:07,217 INFO L231 Difference]: Finished difference. Result has 952 places, 962 transitions, 1933 flow [2024-11-12 12:37:07,218 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1931, PETRI_DIFFERENCE_MINUEND_PLACES=950, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=961, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1933, PETRI_PLACES=952, PETRI_TRANSITIONS=962} [2024-11-12 12:37:07,219 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -41 predicate places. [2024-11-12 12:37:07,219 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 962 transitions, 1933 flow [2024-11-12 12:37:07,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:07,221 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:07,222 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:07,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:37:07,222 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:07,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:07,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1507343733, now seen corresponding path program 1 times [2024-11-12 12:37:07,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:07,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054472852] [2024-11-12 12:37:07,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:07,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:07,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:07,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054472852] [2024-11-12 12:37:07,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054472852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:07,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:07,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:07,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617711523] [2024-11-12 12:37:07,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:07,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:07,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:07,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:07,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:07,342 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-12 12:37:07,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 962 transitions, 1933 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:07,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:07,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-12 12:37:07,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:07,757 INFO L124 PetriNetUnfolderBase]: 74/1837 cut-off events. [2024-11-12 12:37:07,757 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-11-12 12:37:07,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1938 conditions, 1837 events. 74/1837 cut-off events. For 20/47 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8460 event pairs, 39 based on Foata normal form. 0/1563 useless extension candidates. Maximal degree in co-relation 1895. Up to 89 conditions per place. [2024-11-12 12:37:07,815 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/961 dead transitions. [2024-11-12 12:37:07,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 961 transitions, 1973 flow [2024-11-12 12:37:07,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-12 12:37:07,822 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-12 12:37:07,822 INFO L175 Difference]: Start difference. First operand has 952 places, 962 transitions, 1933 flow. Second operand 3 states and 3025 transitions. [2024-11-12 12:37:07,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 961 transitions, 1973 flow [2024-11-12 12:37:07,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 961 transitions, 1972 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:37:07,842 INFO L231 Difference]: Finished difference. Result has 952 places, 961 transitions, 1934 flow [2024-11-12 12:37:07,844 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1930, PETRI_DIFFERENCE_MINUEND_PLACES=950, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1934, PETRI_PLACES=952, PETRI_TRANSITIONS=961} [2024-11-12 12:37:07,848 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -41 predicate places. [2024-11-12 12:37:07,848 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 961 transitions, 1934 flow [2024-11-12 12:37:07,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:07,851 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:07,851 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:07,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:37:07,851 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:07,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash 319350018, now seen corresponding path program 1 times [2024-11-12 12:37:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:07,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672016272] [2024-11-12 12:37:07,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:07,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:07,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:07,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672016272] [2024-11-12 12:37:07,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672016272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:07,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:07,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:07,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105091844] [2024-11-12 12:37:07,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:07,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:07,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:07,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:07,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:07,976 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-12 12:37:07,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 961 transitions, 1934 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:07,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:07,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-12 12:37:07,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:08,910 INFO L124 PetriNetUnfolderBase]: 226/3707 cut-off events. [2024-11-12 12:37:08,910 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-11-12 12:37:08,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3998 conditions, 3707 events. 226/3707 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 26673 event pairs, 132 based on Foata normal form. 0/3158 useless extension candidates. Maximal degree in co-relation 3956. Up to 274 conditions per place. [2024-11-12 12:37:08,959 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/951 dead transitions. [2024-11-12 12:37:08,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 951 transitions, 1968 flow [2024-11-12 12:37:08,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-12 12:37:08,966 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-12 12:37:08,966 INFO L175 Difference]: Start difference. First operand has 952 places, 961 transitions, 1934 flow. Second operand 3 states and 2998 transitions. [2024-11-12 12:37:08,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 951 transitions, 1968 flow [2024-11-12 12:37:08,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 951 transitions, 1964 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:08,981 INFO L231 Difference]: Finished difference. Result has 942 places, 951 transitions, 1912 flow [2024-11-12 12:37:08,982 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1910, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=950, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1912, PETRI_PLACES=942, PETRI_TRANSITIONS=951} [2024-11-12 12:37:08,983 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -51 predicate places. [2024-11-12 12:37:08,983 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 951 transitions, 1912 flow [2024-11-12 12:37:08,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:08,985 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:08,985 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:08,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:37:08,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:08,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:08,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1660174462, now seen corresponding path program 1 times [2024-11-12 12:37:08,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:08,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259323806] [2024-11-12 12:37:08,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:09,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:09,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259323806] [2024-11-12 12:37:09,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259323806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:09,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:09,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:09,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940225839] [2024-11-12 12:37:09,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:09,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:09,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:09,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:09,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1009 out of 1054 [2024-11-12 12:37:09,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 951 transitions, 1912 flow. Second operand has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:09,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:09,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1009 of 1054 [2024-11-12 12:37:09,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:09,323 INFO L124 PetriNetUnfolderBase]: 25/1251 cut-off events. [2024-11-12 12:37:09,323 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-12 12:37:09,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 1251 events. 25/1251 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3310 event pairs, 2 based on Foata normal form. 0/1097 useless extension candidates. Maximal degree in co-relation 1236. Up to 16 conditions per place. [2024-11-12 12:37:09,349 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 11 selfloop transitions, 2 changer transitions 0/950 dead transitions. [2024-11-12 12:37:09,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 950 transitions, 1936 flow [2024-11-12 12:37:09,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3041 transitions. [2024-11-12 12:37:09,357 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9617330803289058 [2024-11-12 12:37:09,357 INFO L175 Difference]: Start difference. First operand has 942 places, 951 transitions, 1912 flow. Second operand 3 states and 3041 transitions. [2024-11-12 12:37:09,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 950 transitions, 1936 flow [2024-11-12 12:37:09,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 950 transitions, 1935 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:37:09,376 INFO L231 Difference]: Finished difference. Result has 942 places, 950 transitions, 1913 flow [2024-11-12 12:37:09,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1909, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1913, PETRI_PLACES=942, PETRI_TRANSITIONS=950} [2024-11-12 12:37:09,378 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -51 predicate places. [2024-11-12 12:37:09,379 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 950 transitions, 1913 flow [2024-11-12 12:37:09,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:09,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:09,381 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:09,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:37:09,382 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:09,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:09,383 INFO L85 PathProgramCache]: Analyzing trace with hash -720464191, now seen corresponding path program 1 times [2024-11-12 12:37:09,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:09,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163143054] [2024-11-12 12:37:09,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:09,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:09,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:09,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163143054] [2024-11-12 12:37:09,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163143054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:09,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:09,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:09,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140402265] [2024-11-12 12:37:09,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:09,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:09,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:09,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:09,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:09,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:09,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 950 transitions, 1913 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:09,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:09,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:09,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:09,963 INFO L124 PetriNetUnfolderBase]: 41/1852 cut-off events. [2024-11-12 12:37:09,964 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-12 12:37:09,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1895 conditions, 1852 events. 41/1852 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8286 event pairs, 6 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 1852. Up to 25 conditions per place. [2024-11-12 12:37:09,998 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/949 dead transitions. [2024-11-12 12:37:09,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 949 transitions, 1939 flow [2024-11-12 12:37:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:10,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:10,006 INFO L175 Difference]: Start difference. First operand has 942 places, 950 transitions, 1913 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:10,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 949 transitions, 1939 flow [2024-11-12 12:37:10,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 949 transitions, 1935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:10,026 INFO L231 Difference]: Finished difference. Result has 941 places, 949 transitions, 1911 flow [2024-11-12 12:37:10,028 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1907, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=949, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=947, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1911, PETRI_PLACES=941, PETRI_TRANSITIONS=949} [2024-11-12 12:37:10,028 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -52 predicate places. [2024-11-12 12:37:10,029 INFO L471 AbstractCegarLoop]: Abstraction has has 941 places, 949 transitions, 1911 flow [2024-11-12 12:37:10,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:10,031 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:10,031 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:10,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:37:10,032 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:10,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:10,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2057582347, now seen corresponding path program 1 times [2024-11-12 12:37:10,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:10,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120420716] [2024-11-12 12:37:10,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:10,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:10,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:10,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120420716] [2024-11-12 12:37:10,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120420716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:10,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:10,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:10,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020061741] [2024-11-12 12:37:10,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:10,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:10,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:10,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:10,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:10,119 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:10,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 941 places, 949 transitions, 1911 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:10,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:10,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:10,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:10,554 INFO L124 PetriNetUnfolderBase]: 41/1851 cut-off events. [2024-11-12 12:37:10,555 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-12 12:37:10,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 1851 events. 41/1851 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8271 event pairs, 6 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 1851. Up to 25 conditions per place. [2024-11-12 12:37:10,579 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/948 dead transitions. [2024-11-12 12:37:10,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 948 transitions, 1937 flow [2024-11-12 12:37:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:10,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:10,585 INFO L175 Difference]: Start difference. First operand has 941 places, 949 transitions, 1911 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:10,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 948 transitions, 1937 flow [2024-11-12 12:37:10,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 948 transitions, 1933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:10,599 INFO L231 Difference]: Finished difference. Result has 940 places, 948 transitions, 1909 flow [2024-11-12 12:37:10,600 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1905, PETRI_DIFFERENCE_MINUEND_PLACES=938, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=946, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1909, PETRI_PLACES=940, PETRI_TRANSITIONS=948} [2024-11-12 12:37:10,601 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -53 predicate places. [2024-11-12 12:37:10,601 INFO L471 AbstractCegarLoop]: Abstraction has has 940 places, 948 transitions, 1909 flow [2024-11-12 12:37:10,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:10,603 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:10,603 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:10,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:37:10,603 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:10,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:10,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1458072727, now seen corresponding path program 1 times [2024-11-12 12:37:10,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:10,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476855431] [2024-11-12 12:37:10,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:10,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:10,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476855431] [2024-11-12 12:37:10,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476855431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:10,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:10,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:10,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633248208] [2024-11-12 12:37:10,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:10,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:10,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:10,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:10,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:10,667 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:10,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 948 transitions, 1909 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:10,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:10,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:10,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:10,875 INFO L124 PetriNetUnfolderBase]: 22/1098 cut-off events. [2024-11-12 12:37:10,876 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-12 12:37:10,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1128 conditions, 1098 events. 22/1098 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2525 event pairs, 2 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 1085. Up to 17 conditions per place. [2024-11-12 12:37:10,898 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/947 dead transitions. [2024-11-12 12:37:10,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 947 transitions, 1935 flow [2024-11-12 12:37:10,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:10,904 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:10,904 INFO L175 Difference]: Start difference. First operand has 940 places, 948 transitions, 1909 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:10,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 947 transitions, 1935 flow [2024-11-12 12:37:10,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 947 transitions, 1931 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:10,919 INFO L231 Difference]: Finished difference. Result has 939 places, 947 transitions, 1907 flow [2024-11-12 12:37:10,921 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=937, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=945, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1907, PETRI_PLACES=939, PETRI_TRANSITIONS=947} [2024-11-12 12:37:10,921 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -54 predicate places. [2024-11-12 12:37:10,921 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 947 transitions, 1907 flow [2024-11-12 12:37:10,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:10,924 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:10,924 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:10,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:37:10,924 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:10,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:10,925 INFO L85 PathProgramCache]: Analyzing trace with hash 60252526, now seen corresponding path program 1 times [2024-11-12 12:37:10,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:10,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229710725] [2024-11-12 12:37:10,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:10,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:10,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229710725] [2024-11-12 12:37:10,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229710725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:10,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:10,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:10,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094398037] [2024-11-12 12:37:10,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:10,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:10,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:10,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:10,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:10,980 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:10,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 939 places, 947 transitions, 1907 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:10,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:10,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:10,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:11,194 INFO L124 PetriNetUnfolderBase]: 32/1399 cut-off events. [2024-11-12 12:37:11,194 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-12 12:37:11,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1439 conditions, 1399 events. 32/1399 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4844 event pairs, 6 based on Foata normal form. 0/1222 useless extension candidates. Maximal degree in co-relation 1396. Up to 25 conditions per place. [2024-11-12 12:37:11,228 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-11-12 12:37:11,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 940 places, 946 transitions, 1933 flow [2024-11-12 12:37:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:11,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:11,234 INFO L175 Difference]: Start difference. First operand has 939 places, 947 transitions, 1907 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:11,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 940 places, 946 transitions, 1933 flow [2024-11-12 12:37:11,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 946 transitions, 1929 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:11,249 INFO L231 Difference]: Finished difference. Result has 938 places, 946 transitions, 1905 flow [2024-11-12 12:37:11,251 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1901, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=946, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=944, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1905, PETRI_PLACES=938, PETRI_TRANSITIONS=946} [2024-11-12 12:37:11,251 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -55 predicate places. [2024-11-12 12:37:11,251 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 946 transitions, 1905 flow [2024-11-12 12:37:11,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:11,253 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:11,253 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:11,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:37:11,253 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:11,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:11,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1490239202, now seen corresponding path program 1 times [2024-11-12 12:37:11,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:11,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349505917] [2024-11-12 12:37:11,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:11,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:11,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:11,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349505917] [2024-11-12 12:37:11,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349505917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:11,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:11,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:11,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076624382] [2024-11-12 12:37:11,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:11,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:11,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:11,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:11,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:11,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:11,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 946 transitions, 1905 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:11,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:11,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:11,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:11,603 INFO L124 PetriNetUnfolderBase]: 32/1398 cut-off events. [2024-11-12 12:37:11,603 INFO L125 PetriNetUnfolderBase]: For 4/28 co-relation queries the response was YES. [2024-11-12 12:37:11,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 1398 events. 32/1398 cut-off events. For 4/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4824 event pairs, 6 based on Foata normal form. 0/1223 useless extension candidates. Maximal degree in co-relation 1395. Up to 25 conditions per place. [2024-11-12 12:37:11,638 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/945 dead transitions. [2024-11-12 12:37:11,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 945 transitions, 1931 flow [2024-11-12 12:37:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:11,642 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:11,642 INFO L175 Difference]: Start difference. First operand has 938 places, 946 transitions, 1905 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:11,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 945 transitions, 1931 flow [2024-11-12 12:37:11,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 945 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:11,656 INFO L231 Difference]: Finished difference. Result has 937 places, 945 transitions, 1903 flow [2024-11-12 12:37:11,657 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1899, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1903, PETRI_PLACES=937, PETRI_TRANSITIONS=945} [2024-11-12 12:37:11,658 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -56 predicate places. [2024-11-12 12:37:11,658 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 945 transitions, 1903 flow [2024-11-12 12:37:11,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:11,659 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:11,659 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:11,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:37:11,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:11,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1469288582, now seen corresponding path program 1 times [2024-11-12 12:37:11,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:11,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576950534] [2024-11-12 12:37:11,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:11,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:11,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576950534] [2024-11-12 12:37:11,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576950534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:11,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:11,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116899686] [2024-11-12 12:37:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:11,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:11,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:11,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:11,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:11,714 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:11,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 945 transitions, 1903 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:11,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:11,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:11,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:11,967 INFO L124 PetriNetUnfolderBase]: 19/974 cut-off events. [2024-11-12 12:37:11,968 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-12 12:37:11,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1003 conditions, 974 events. 19/974 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2070 event pairs, 2 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 960. Up to 17 conditions per place. [2024-11-12 12:37:11,981 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/944 dead transitions. [2024-11-12 12:37:11,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 944 transitions, 1929 flow [2024-11-12 12:37:11,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:11,986 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:11,986 INFO L175 Difference]: Start difference. First operand has 937 places, 945 transitions, 1903 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:11,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 944 transitions, 1929 flow [2024-11-12 12:37:11,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 944 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:12,000 INFO L231 Difference]: Finished difference. Result has 936 places, 944 transitions, 1901 flow [2024-11-12 12:37:12,001 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=942, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1901, PETRI_PLACES=936, PETRI_TRANSITIONS=944} [2024-11-12 12:37:12,002 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -57 predicate places. [2024-11-12 12:37:12,002 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 944 transitions, 1901 flow [2024-11-12 12:37:12,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:12,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:12,003 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:12,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 12:37:12,004 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:12,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:12,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1133118351, now seen corresponding path program 1 times [2024-11-12 12:37:12,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:12,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215602952] [2024-11-12 12:37:12,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:12,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:12,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:12,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215602952] [2024-11-12 12:37:12,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215602952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:12,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:12,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:12,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004701831] [2024-11-12 12:37:12,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:12,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:12,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:12,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:12,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:12,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:12,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 944 transitions, 1901 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:12,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:12,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:12,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:12,280 INFO L124 PetriNetUnfolderBase]: 29/1209 cut-off events. [2024-11-12 12:37:12,280 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-12 12:37:12,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1246 conditions, 1209 events. 29/1209 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 3089 event pairs, 6 based on Foata normal form. 0/1065 useless extension candidates. Maximal degree in co-relation 1203. Up to 25 conditions per place. [2024-11-12 12:37:12,300 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-11-12 12:37:12,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 943 transitions, 1927 flow [2024-11-12 12:37:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:12,305 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:12,305 INFO L175 Difference]: Start difference. First operand has 936 places, 944 transitions, 1901 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:12,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 943 transitions, 1927 flow [2024-11-12 12:37:12,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 943 transitions, 1923 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:12,320 INFO L231 Difference]: Finished difference. Result has 935 places, 943 transitions, 1899 flow [2024-11-12 12:37:12,322 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1895, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1899, PETRI_PLACES=935, PETRI_TRANSITIONS=943} [2024-11-12 12:37:12,322 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -58 predicate places. [2024-11-12 12:37:12,322 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 943 transitions, 1899 flow [2024-11-12 12:37:12,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:12,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:12,323 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:12,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 12:37:12,324 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:12,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1431934626, now seen corresponding path program 1 times [2024-11-12 12:37:12,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:12,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638088146] [2024-11-12 12:37:12,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:12,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:12,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:12,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638088146] [2024-11-12 12:37:12,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638088146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:12,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:12,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:12,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093546142] [2024-11-12 12:37:12,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:12,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:12,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:12,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:12,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:12,387 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-12 12:37:12,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 943 transitions, 1899 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:12,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:12,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-12 12:37:12,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:12,602 INFO L124 PetriNetUnfolderBase]: 29/1170 cut-off events. [2024-11-12 12:37:12,602 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-12 12:37:12,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 1170 events. 29/1170 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2940 event pairs, 6 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 1164. Up to 25 conditions per place. [2024-11-12 12:37:12,624 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/942 dead transitions. [2024-11-12 12:37:12,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 942 transitions, 1925 flow [2024-11-12 12:37:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-12 12:37:12,630 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-12 12:37:12,630 INFO L175 Difference]: Start difference. First operand has 935 places, 943 transitions, 1899 flow. Second operand 3 states and 3039 transitions. [2024-11-12 12:37:12,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 942 transitions, 1925 flow [2024-11-12 12:37:12,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 942 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:12,644 INFO L231 Difference]: Finished difference. Result has 934 places, 942 transitions, 1897 flow [2024-11-12 12:37:12,646 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1893, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1897, PETRI_PLACES=934, PETRI_TRANSITIONS=942} [2024-11-12 12:37:12,647 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -59 predicate places. [2024-11-12 12:37:12,647 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 942 transitions, 1897 flow [2024-11-12 12:37:12,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:12,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:12,649 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:12,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 12:37:12,649 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:12,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:12,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1427865665, now seen corresponding path program 1 times [2024-11-12 12:37:12,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:12,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150182839] [2024-11-12 12:37:12,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:12,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:12,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:12,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150182839] [2024-11-12 12:37:12,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150182839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:12,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:12,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:12,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921952103] [2024-11-12 12:37:12,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:12,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:12,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:12,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:12,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:12,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-12 12:37:12,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 942 transitions, 1897 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:12,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:12,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-12 12:37:12,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:13,127 INFO L124 PetriNetUnfolderBase]: 61/2113 cut-off events. [2024-11-12 12:37:13,127 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:37:13,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2185 conditions, 2113 events. 61/2113 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 10772 event pairs, 20 based on Foata normal form. 0/1818 useless extension candidates. Maximal degree in co-relation 2142. Up to 50 conditions per place. [2024-11-12 12:37:13,167 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/941 dead transitions. [2024-11-12 12:37:13,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 941 transitions, 1925 flow [2024-11-12 12:37:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:13,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-12 12:37:13,171 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-12 12:37:13,171 INFO L175 Difference]: Start difference. First operand has 934 places, 942 transitions, 1897 flow. Second operand 3 states and 3037 transitions. [2024-11-12 12:37:13,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 941 transitions, 1925 flow [2024-11-12 12:37:13,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 941 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:13,185 INFO L231 Difference]: Finished difference. Result has 933 places, 941 transitions, 1895 flow [2024-11-12 12:37:13,186 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1891, PETRI_DIFFERENCE_MINUEND_PLACES=931, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=939, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1895, PETRI_PLACES=933, PETRI_TRANSITIONS=941} [2024-11-12 12:37:13,187 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -60 predicate places. [2024-11-12 12:37:13,187 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 941 transitions, 1895 flow [2024-11-12 12:37:13,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:13,188 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:13,188 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:13,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 12:37:13,188 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:13,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:13,189 INFO L85 PathProgramCache]: Analyzing trace with hash -624772100, now seen corresponding path program 1 times [2024-11-12 12:37:13,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:13,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550142689] [2024-11-12 12:37:13,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:13,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:13,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:13,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550142689] [2024-11-12 12:37:13,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550142689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:13,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:13,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:37:13,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564919652] [2024-11-12 12:37:13,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:13,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:37:13,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:13,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:37:13,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:37:14,482 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-12 12:37:14,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 941 transitions, 1895 flow. Second operand has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:14,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:14,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-12 12:37:14,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:32,127 INFO L124 PetriNetUnfolderBase]: 15256/84667 cut-off events. [2024-11-12 12:37:32,127 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-12 12:37:32,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107096 conditions, 84667 events. 15256/84667 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 1173. Compared 1249806 event pairs, 14040 based on Foata normal form. 0/73980 useless extension candidates. Maximal degree in co-relation 107054. Up to 22026 conditions per place. [2024-11-12 12:37:32,787 INFO L140 encePairwiseOnDemand]: 1036/1054 looper letters, 87 selfloop transitions, 15 changer transitions 0/938 dead transitions. [2024-11-12 12:37:32,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 938 transitions, 2093 flow [2024-11-12 12:37:32,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:37:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:37:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5619 transitions. [2024-11-12 12:37:32,796 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8885199240986718 [2024-11-12 12:37:32,796 INFO L175 Difference]: Start difference. First operand has 933 places, 941 transitions, 1895 flow. Second operand 6 states and 5619 transitions. [2024-11-12 12:37:32,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 938 transitions, 2093 flow [2024-11-12 12:37:32,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 938 transitions, 2089 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:32,809 INFO L231 Difference]: Finished difference. Result has 933 places, 938 transitions, 1915 flow [2024-11-12 12:37:32,810 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1885, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=923, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1915, PETRI_PLACES=933, PETRI_TRANSITIONS=938} [2024-11-12 12:37:32,810 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -60 predicate places. [2024-11-12 12:37:32,810 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 938 transitions, 1915 flow [2024-11-12 12:37:32,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:32,812 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:32,812 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:32,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 12:37:32,812 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:32,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:32,813 INFO L85 PathProgramCache]: Analyzing trace with hash 291472292, now seen corresponding path program 1 times [2024-11-12 12:37:32,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:32,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884941770] [2024-11-12 12:37:32,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:32,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:32,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:32,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884941770] [2024-11-12 12:37:32,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884941770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:32,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:32,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:32,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047652200] [2024-11-12 12:37:32,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:32,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:32,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:32,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:32,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:32,891 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-12 12:37:32,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 938 transitions, 1915 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:32,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:32,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-12 12:37:32,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:33,196 INFO L124 PetriNetUnfolderBase]: 47/1835 cut-off events. [2024-11-12 12:37:33,197 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-12 12:37:33,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1902 conditions, 1835 events. 47/1835 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7498 event pairs, 12 based on Foata normal form. 0/1592 useless extension candidates. Maximal degree in co-relation 1859. Up to 38 conditions per place. [2024-11-12 12:37:33,226 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/937 dead transitions. [2024-11-12 12:37:33,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 937 transitions, 1943 flow [2024-11-12 12:37:33,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-12 12:37:33,230 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-12 12:37:33,230 INFO L175 Difference]: Start difference. First operand has 933 places, 938 transitions, 1915 flow. Second operand 3 states and 3037 transitions. [2024-11-12 12:37:33,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 937 transitions, 1943 flow [2024-11-12 12:37:33,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 937 transitions, 1913 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:37:33,239 INFO L231 Difference]: Finished difference. Result has 929 places, 937 transitions, 1887 flow [2024-11-12 12:37:33,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1883, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1887, PETRI_PLACES=929, PETRI_TRANSITIONS=937} [2024-11-12 12:37:33,240 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -64 predicate places. [2024-11-12 12:37:33,240 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 937 transitions, 1887 flow [2024-11-12 12:37:33,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:33,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:33,241 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:33,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 12:37:33,241 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:33,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:33,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1613090026, now seen corresponding path program 1 times [2024-11-12 12:37:33,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:33,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794774003] [2024-11-12 12:37:33,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:33,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:33,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:33,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794774003] [2024-11-12 12:37:33,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794774003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:33,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:33,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:33,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612222089] [2024-11-12 12:37:33,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:33,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:33,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:33,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:33,344 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-12 12:37:33,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 937 transitions, 1887 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:33,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:33,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-12 12:37:33,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:37:33,729 INFO L124 PetriNetUnfolderBase]: 52/1631 cut-off events. [2024-11-12 12:37:33,729 INFO L125 PetriNetUnfolderBase]: For 12/24 co-relation queries the response was YES. [2024-11-12 12:37:33,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 1631 events. 52/1631 cut-off events. For 12/24 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6140 event pairs, 20 based on Foata normal form. 0/1424 useless extension candidates. Maximal degree in co-relation 1652. Up to 50 conditions per place. [2024-11-12 12:37:33,747 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/936 dead transitions. [2024-11-12 12:37:33,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 936 transitions, 1915 flow [2024-11-12 12:37:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:37:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:37:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-12 12:37:33,753 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-12 12:37:33,753 INFO L175 Difference]: Start difference. First operand has 929 places, 937 transitions, 1887 flow. Second operand 3 states and 3037 transitions. [2024-11-12 12:37:33,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 936 transitions, 1915 flow [2024-11-12 12:37:33,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 936 transitions, 1911 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:37:33,763 INFO L231 Difference]: Finished difference. Result has 928 places, 936 transitions, 1885 flow [2024-11-12 12:37:33,764 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1881, PETRI_DIFFERENCE_MINUEND_PLACES=926, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=934, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1885, PETRI_PLACES=928, PETRI_TRANSITIONS=936} [2024-11-12 12:37:33,765 INFO L279 CegarLoopForPetriNet]: 993 programPoint places, -65 predicate places. [2024-11-12 12:37:33,765 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 936 transitions, 1885 flow [2024-11-12 12:37:33,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:33,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:37:33,767 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:37:33,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 12:37:33,767 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 190 more)] === [2024-11-12 12:37:33,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:37:33,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2120768922, now seen corresponding path program 1 times [2024-11-12 12:37:33,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:37:33,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963565157] [2024-11-12 12:37:33,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:37:33,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:37:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:37:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:37:33,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:37:33,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963565157] [2024-11-12 12:37:33,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963565157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:37:33,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:37:33,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:37:33,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098771381] [2024-11-12 12:37:33,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:37:33,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:37:33,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:37:33,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:37:33,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:37:34,204 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-12 12:37:34,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 936 transitions, 1885 flow. Second operand has 3 states, 3 states have (on average 921.0) internal successors, (2763), 3 states have internal predecessors, (2763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:37:34,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:37:34,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-12 12:37:34,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand