./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:57:08,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:57:08,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:57:08,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:57:08,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:57:08,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:57:08,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:57:08,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:57:08,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:57:08,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:57:08,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:57:08,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:57:08,376 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:57:08,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:57:08,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:57:08,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:57:08,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:57:08,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:57:08,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:57:08,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:57:08,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:57:08,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:57:08,380 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:57:08,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:57:08,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:57:08,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:57:08,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:57:08,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:57:08,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:57:08,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:57:08,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:57:08,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:08,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:57:08,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:57:08,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:57:08,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:57:08,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:57:08,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:57:08,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:57:08,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:57:08,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:57:08,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 [2024-11-19 05:57:08,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:57:08,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:57:08,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:57:08,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:57:08,698 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:57:08,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-19 05:57:10,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:57:10,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:57:10,303 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2024-11-19 05:57:10,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b5cf430/4a19bce02fa1496eaabd85f973325d06/FLAG80517047d [2024-11-19 05:57:10,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b5cf430/4a19bce02fa1496eaabd85f973325d06 [2024-11-19 05:57:10,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:57:10,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:57:10,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:10,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:57:10,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:57:10,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4573680a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10, skipping insertion in model container [2024-11-19 05:57:10,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:57:10,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:10,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:57:10,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:10,692 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:57:10,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10 WrapperNode [2024-11-19 05:57:10,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:10,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:10,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:57:10,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:57:10,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,763 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 797 [2024-11-19 05:57:10,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:10,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:57:10,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:57:10,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:57:10,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:57:10,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:57:10,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:57:10,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:57:10,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (1/1) ... [2024-11-19 05:57:10,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:10,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:57:10,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:57:10,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:57:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:57:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:57:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:57:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:57:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:57:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:57:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:57:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 05:57:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 05:57:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:57:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:57:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:57:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:57:11,005 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:57:11,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:57:11,232 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:57:12,308 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:57:12,309 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:57:12,353 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:57:12,354 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-19 05:57:12,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:12 BoogieIcfgContainer [2024-11-19 05:57:12,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:57:12,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:57:12,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:57:12,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:57:12,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:57:10" (1/3) ... [2024-11-19 05:57:12,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7bffb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:12, skipping insertion in model container [2024-11-19 05:57:12,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:10" (2/3) ... [2024-11-19 05:57:12,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7bffb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:12, skipping insertion in model container [2024-11-19 05:57:12,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:12" (3/3) ... [2024-11-19 05:57:12,365 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2024-11-19 05:57:12,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:57:12,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 116 error locations. [2024-11-19 05:57:12,384 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:57:12,640 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 05:57:12,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-19 05:57:13,241 INFO L124 PetriNetUnfolderBase]: 48/1051 cut-off events. [2024-11-19 05:57:13,241 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:57:13,301 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. [2024-11-19 05:57:13,302 INFO L82 GeneralOperation]: Start removeDead. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-19 05:57:13,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 993 places, 1028 transitions, 2074 flow [2024-11-19 05:57:13,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:57:13,345 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;@549ed82c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:57:13,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 194 error locations. [2024-11-19 05:57:13,349 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:57:13,350 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-19 05:57:13,350 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:57:13,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:13,351 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:13,351 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)] === [2024-11-19 05:57:13,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2026280969, now seen corresponding path program 1 times [2024-11-19 05:57:13,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:13,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355620926] [2024-11-19 05:57:13,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:13,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:13,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355620926] [2024-11-19 05:57:13,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355620926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:13,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:13,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:13,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477546444] [2024-11-19 05:57:13,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:13,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:13,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:13,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:13,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:13,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-19 05:57:13,718 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) [2024-11-19 05:57:13,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:13,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-19 05:57:13,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:14,572 INFO L124 PetriNetUnfolderBase]: 86/2508 cut-off events. [2024-11-19 05:57:14,573 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-19 05:57:14,602 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. [2024-11-19 05:57:14,631 INFO L140 encePairwiseOnDemand]: 1023/1054 looper letters, 19 selfloop transitions, 2 changer transitions 16/999 dead transitions. [2024-11-19 05:57:14,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 994 places, 999 transitions, 2058 flow [2024-11-19 05:57:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3053 transitions. [2024-11-19 05:57:14,658 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.965528146742568 [2024-11-19 05:57:14,660 INFO L175 Difference]: Start difference. First operand has 993 places, 1028 transitions, 2074 flow. Second operand 3 states and 3053 transitions. [2024-11-19 05:57:14,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 994 places, 999 transitions, 2058 flow [2024-11-19 05:57:14,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 988 places, 999 transitions, 2046 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-19 05:57:14,693 INFO L231 Difference]: Finished difference. Result has 988 places, 983 transitions, 1976 flow [2024-11-19 05:57:14,697 INFO L260 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} [2024-11-19 05:57:14,703 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -5 predicate places. [2024-11-19 05:57:14,703 INFO L471 AbstractCegarLoop]: Abstraction has has 988 places, 983 transitions, 1976 flow [2024-11-19 05:57:14,705 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) [2024-11-19 05:57:14,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:14,706 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:14,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:57:14,706 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)] === [2024-11-19 05:57:14,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 135341622, now seen corresponding path program 1 times [2024-11-19 05:57:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:14,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360242340] [2024-11-19 05:57:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:14,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:14,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:14,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360242340] [2024-11-19 05:57:14,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360242340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:14,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:14,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:14,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286643927] [2024-11-19 05:57:14,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:14,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:14,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:14,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:14,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:14,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-19 05:57:14,857 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) [2024-11-19 05:57:14,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:14,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-19 05:57:14,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:16,156 INFO L124 PetriNetUnfolderBase]: 212/3960 cut-off events. [2024-11-19 05:57:16,157 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-19 05:57:16,215 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. [2024-11-19 05:57:16,245 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/973 dead transitions. [2024-11-19 05:57:16,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 973 transitions, 2010 flow [2024-11-19 05:57:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-19 05:57:16,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-19 05:57:16,254 INFO L175 Difference]: Start difference. First operand has 988 places, 983 transitions, 1976 flow. Second operand 3 states and 2998 transitions. [2024-11-19 05:57:16,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 973 transitions, 2010 flow [2024-11-19 05:57:16,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 973 transitions, 2006 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:16,271 INFO L231 Difference]: Finished difference. Result has 962 places, 973 transitions, 1954 flow [2024-11-19 05:57:16,272 INFO L260 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} [2024-11-19 05:57:16,273 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -31 predicate places. [2024-11-19 05:57:16,273 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 973 transitions, 1954 flow [2024-11-19 05:57:16,276 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) [2024-11-19 05:57:16,276 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:16,276 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:16,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:57:16,276 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)] === [2024-11-19 05:57:16,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:16,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1957615406, now seen corresponding path program 1 times [2024-11-19 05:57:16,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:16,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241733924] [2024-11-19 05:57:16,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:16,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:16,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:16,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241733924] [2024-11-19 05:57:16,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241733924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:16,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:16,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:16,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003272336] [2024-11-19 05:57:16,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:16,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:16,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:16,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:16,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:16,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-19 05:57:16,422 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) [2024-11-19 05:57:16,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:16,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-19 05:57:16,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:17,208 INFO L124 PetriNetUnfolderBase]: 62/2211 cut-off events. [2024-11-19 05:57:17,209 INFO L125 PetriNetUnfolderBase]: For 9/16 co-relation queries the response was YES. [2024-11-19 05:57:17,243 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. [2024-11-19 05:57:17,266 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/972 dead transitions. [2024-11-19 05:57:17,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 963 places, 972 transitions, 1994 flow [2024-11-19 05:57:17,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-19 05:57:17,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-19 05:57:17,275 INFO L175 Difference]: Start difference. First operand has 962 places, 973 transitions, 1954 flow. Second operand 3 states and 3025 transitions. [2024-11-19 05:57:17,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 963 places, 972 transitions, 1994 flow [2024-11-19 05:57:17,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 972 transitions, 1993 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:57:17,296 INFO L231 Difference]: Finished difference. Result has 962 places, 972 transitions, 1955 flow [2024-11-19 05:57:17,298 INFO L260 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} [2024-11-19 05:57:17,299 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -31 predicate places. [2024-11-19 05:57:17,299 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 972 transitions, 1955 flow [2024-11-19 05:57:17,301 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) [2024-11-19 05:57:17,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:17,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:17,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:57:17,302 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)] === [2024-11-19 05:57:17,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1220255805, now seen corresponding path program 1 times [2024-11-19 05:57:17,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:17,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494088047] [2024-11-19 05:57:17,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:17,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:17,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:17,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494088047] [2024-11-19 05:57:17,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494088047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:17,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:17,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:17,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953674504] [2024-11-19 05:57:17,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:17,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:17,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:17,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:17,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:17,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-19 05:57:17,439 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) [2024-11-19 05:57:17,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:17,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-19 05:57:17,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:18,130 INFO L124 PetriNetUnfolderBase]: 116/2624 cut-off events. [2024-11-19 05:57:18,131 INFO L125 PetriNetUnfolderBase]: For 17/119 co-relation queries the response was YES. [2024-11-19 05:57:18,206 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. [2024-11-19 05:57:18,236 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/962 dead transitions. [2024-11-19 05:57:18,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 962 transitions, 1989 flow [2024-11-19 05:57:18,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:18,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-19 05:57:18,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-19 05:57:18,243 INFO L175 Difference]: Start difference. First operand has 962 places, 972 transitions, 1955 flow. Second operand 3 states and 2998 transitions. [2024-11-19 05:57:18,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 962 transitions, 1989 flow [2024-11-19 05:57:18,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 962 transitions, 1985 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:18,260 INFO L231 Difference]: Finished difference. Result has 952 places, 962 transitions, 1933 flow [2024-11-19 05:57:18,261 INFO L260 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} [2024-11-19 05:57:18,263 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -41 predicate places. [2024-11-19 05:57:18,263 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 962 transitions, 1933 flow [2024-11-19 05:57:18,265 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) [2024-11-19 05:57:18,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:18,266 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:18,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:57:18,266 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)] === [2024-11-19 05:57:18,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:18,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1507343733, now seen corresponding path program 1 times [2024-11-19 05:57:18,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:18,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23863700] [2024-11-19 05:57:18,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:18,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:18,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:18,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23863700] [2024-11-19 05:57:18,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23863700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:18,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:18,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:18,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373726066] [2024-11-19 05:57:18,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:18,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:18,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:18,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:18,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:18,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-19 05:57:18,363 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) [2024-11-19 05:57:18,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:18,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-19 05:57:18,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:18,778 INFO L124 PetriNetUnfolderBase]: 74/1837 cut-off events. [2024-11-19 05:57:18,779 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-11-19 05:57:18,816 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. [2024-11-19 05:57:18,831 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/961 dead transitions. [2024-11-19 05:57:18,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 961 transitions, 1973 flow [2024-11-19 05:57:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-19 05:57:18,838 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-19 05:57:18,838 INFO L175 Difference]: Start difference. First operand has 952 places, 962 transitions, 1933 flow. Second operand 3 states and 3025 transitions. [2024-11-19 05:57:18,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 961 transitions, 1973 flow [2024-11-19 05:57:18,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 961 transitions, 1972 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:57:18,856 INFO L231 Difference]: Finished difference. Result has 952 places, 961 transitions, 1934 flow [2024-11-19 05:57:18,858 INFO L260 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} [2024-11-19 05:57:18,859 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -41 predicate places. [2024-11-19 05:57:18,859 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 961 transitions, 1934 flow [2024-11-19 05:57:18,861 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) [2024-11-19 05:57:18,862 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:18,862 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:18,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:57:18,862 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)] === [2024-11-19 05:57:18,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:18,863 INFO L85 PathProgramCache]: Analyzing trace with hash 319350018, now seen corresponding path program 1 times [2024-11-19 05:57:18,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:18,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355118143] [2024-11-19 05:57:18,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:18,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:18,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:18,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355118143] [2024-11-19 05:57:18,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355118143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:18,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:18,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:18,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243927343] [2024-11-19 05:57:18,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:18,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:18,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:18,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:18,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:18,946 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-19 05:57:18,950 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) [2024-11-19 05:57:18,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:18,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-19 05:57:18,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:19,837 INFO L124 PetriNetUnfolderBase]: 226/3707 cut-off events. [2024-11-19 05:57:19,837 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-11-19 05:57:19,903 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. [2024-11-19 05:57:19,929 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/951 dead transitions. [2024-11-19 05:57:19,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 951 transitions, 1968 flow [2024-11-19 05:57:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-19 05:57:19,935 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-19 05:57:19,935 INFO L175 Difference]: Start difference. First operand has 952 places, 961 transitions, 1934 flow. Second operand 3 states and 2998 transitions. [2024-11-19 05:57:19,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 951 transitions, 1968 flow [2024-11-19 05:57:19,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 951 transitions, 1964 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:19,951 INFO L231 Difference]: Finished difference. Result has 942 places, 951 transitions, 1912 flow [2024-11-19 05:57:19,953 INFO L260 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} [2024-11-19 05:57:19,954 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -51 predicate places. [2024-11-19 05:57:19,954 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 951 transitions, 1912 flow [2024-11-19 05:57:19,956 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) [2024-11-19 05:57:19,956 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:19,956 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:19,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:57:19,957 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)] === [2024-11-19 05:57:19,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1660174462, now seen corresponding path program 1 times [2024-11-19 05:57:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:19,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800219303] [2024-11-19 05:57:19,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:20,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800219303] [2024-11-19 05:57:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800219303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:20,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:20,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331178999] [2024-11-19 05:57:20,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:20,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:20,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:20,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:20,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:20,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1009 out of 1054 [2024-11-19 05:57:20,050 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) [2024-11-19 05:57:20,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:20,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1009 of 1054 [2024-11-19 05:57:20,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:20,341 INFO L124 PetriNetUnfolderBase]: 25/1251 cut-off events. [2024-11-19 05:57:20,342 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-19 05:57:20,359 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. [2024-11-19 05:57:20,367 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 11 selfloop transitions, 2 changer transitions 0/950 dead transitions. [2024-11-19 05:57:20,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 950 transitions, 1936 flow [2024-11-19 05:57:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3041 transitions. [2024-11-19 05:57:20,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617330803289058 [2024-11-19 05:57:20,375 INFO L175 Difference]: Start difference. First operand has 942 places, 951 transitions, 1912 flow. Second operand 3 states and 3041 transitions. [2024-11-19 05:57:20,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 950 transitions, 1936 flow [2024-11-19 05:57:20,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 950 transitions, 1935 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:57:20,392 INFO L231 Difference]: Finished difference. Result has 942 places, 950 transitions, 1913 flow [2024-11-19 05:57:20,394 INFO L260 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} [2024-11-19 05:57:20,394 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -51 predicate places. [2024-11-19 05:57:20,395 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 950 transitions, 1913 flow [2024-11-19 05:57:20,397 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) [2024-11-19 05:57:20,397 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:20,397 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:20,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:57:20,397 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)] === [2024-11-19 05:57:20,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:20,398 INFO L85 PathProgramCache]: Analyzing trace with hash -720464191, now seen corresponding path program 1 times [2024-11-19 05:57:20,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:20,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238886261] [2024-11-19 05:57:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:20,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:20,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:20,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238886261] [2024-11-19 05:57:20,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238886261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:20,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:20,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025262393] [2024-11-19 05:57:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:20,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:20,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:20,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:20,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:20,493 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) [2024-11-19 05:57:20,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:20,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:20,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:21,058 INFO L124 PetriNetUnfolderBase]: 41/1852 cut-off events. [2024-11-19 05:57:21,059 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-19 05:57:21,086 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. [2024-11-19 05:57:21,101 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/949 dead transitions. [2024-11-19 05:57:21,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 949 transitions, 1939 flow [2024-11-19 05:57:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:21,107 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:21,108 INFO L175 Difference]: Start difference. First operand has 942 places, 950 transitions, 1913 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:21,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 949 transitions, 1939 flow [2024-11-19 05:57:21,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 949 transitions, 1935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:21,128 INFO L231 Difference]: Finished difference. Result has 941 places, 949 transitions, 1911 flow [2024-11-19 05:57:21,129 INFO L260 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} [2024-11-19 05:57:21,131 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -52 predicate places. [2024-11-19 05:57:21,131 INFO L471 AbstractCegarLoop]: Abstraction has has 941 places, 949 transitions, 1911 flow [2024-11-19 05:57:21,133 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) [2024-11-19 05:57:21,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:21,134 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:21,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:57:21,134 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)] === [2024-11-19 05:57:21,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:21,138 INFO L85 PathProgramCache]: Analyzing trace with hash -2057582347, now seen corresponding path program 1 times [2024-11-19 05:57:21,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:21,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580120696] [2024-11-19 05:57:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:21,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:21,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:21,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580120696] [2024-11-19 05:57:21,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580120696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:21,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:21,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:21,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884596829] [2024-11-19 05:57:21,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:21,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:21,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:21,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:21,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:21,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:21,248 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) [2024-11-19 05:57:21,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:21,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:21,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:21,704 INFO L124 PetriNetUnfolderBase]: 41/1851 cut-off events. [2024-11-19 05:57:21,704 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-19 05:57:21,744 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. [2024-11-19 05:57:21,757 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/948 dead transitions. [2024-11-19 05:57:21,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 948 transitions, 1937 flow [2024-11-19 05:57:21,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:21,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:21,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:21,762 INFO L175 Difference]: Start difference. First operand has 941 places, 949 transitions, 1911 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:21,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 948 transitions, 1937 flow [2024-11-19 05:57:21,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 948 transitions, 1933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:21,778 INFO L231 Difference]: Finished difference. Result has 940 places, 948 transitions, 1909 flow [2024-11-19 05:57:21,779 INFO L260 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} [2024-11-19 05:57:21,780 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -53 predicate places. [2024-11-19 05:57:21,780 INFO L471 AbstractCegarLoop]: Abstraction has has 940 places, 948 transitions, 1909 flow [2024-11-19 05:57:21,782 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) [2024-11-19 05:57:21,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:21,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:21,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:57:21,783 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)] === [2024-11-19 05:57:21,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:21,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1458072727, now seen corresponding path program 1 times [2024-11-19 05:57:21,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:21,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204789186] [2024-11-19 05:57:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:21,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:21,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204789186] [2024-11-19 05:57:21,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204789186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:21,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:21,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:21,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464977210] [2024-11-19 05:57:21,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:21,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:21,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:21,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:21,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:21,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:21,858 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) [2024-11-19 05:57:21,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:21,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:21,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:22,077 INFO L124 PetriNetUnfolderBase]: 22/1098 cut-off events. [2024-11-19 05:57:22,077 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-19 05:57:22,091 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. [2024-11-19 05:57:22,098 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/947 dead transitions. [2024-11-19 05:57:22,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 947 transitions, 1935 flow [2024-11-19 05:57:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:22,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:22,104 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:22,104 INFO L175 Difference]: Start difference. First operand has 940 places, 948 transitions, 1909 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:22,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 947 transitions, 1935 flow [2024-11-19 05:57:22,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 947 transitions, 1931 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:22,119 INFO L231 Difference]: Finished difference. Result has 939 places, 947 transitions, 1907 flow [2024-11-19 05:57:22,121 INFO L260 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} [2024-11-19 05:57:22,123 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -54 predicate places. [2024-11-19 05:57:22,123 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 947 transitions, 1907 flow [2024-11-19 05:57:22,126 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) [2024-11-19 05:57:22,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:22,126 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:22,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:57:22,127 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)] === [2024-11-19 05:57:22,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:22,127 INFO L85 PathProgramCache]: Analyzing trace with hash 60252526, now seen corresponding path program 1 times [2024-11-19 05:57:22,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:22,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662109020] [2024-11-19 05:57:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:22,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:22,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:22,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662109020] [2024-11-19 05:57:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662109020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:22,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:22,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:22,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44546993] [2024-11-19 05:57:22,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:22,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:22,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:22,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:22,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:22,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:22,205 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) [2024-11-19 05:57:22,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:22,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:22,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:22,502 INFO L124 PetriNetUnfolderBase]: 32/1399 cut-off events. [2024-11-19 05:57:22,502 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-19 05:57:22,537 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. [2024-11-19 05:57:22,548 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-11-19 05:57:22,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 940 places, 946 transitions, 1933 flow [2024-11-19 05:57:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:22,554 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:22,554 INFO L175 Difference]: Start difference. First operand has 939 places, 947 transitions, 1907 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:22,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 940 places, 946 transitions, 1933 flow [2024-11-19 05:57:22,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 946 transitions, 1929 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:22,570 INFO L231 Difference]: Finished difference. Result has 938 places, 946 transitions, 1905 flow [2024-11-19 05:57:22,573 INFO L260 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} [2024-11-19 05:57:22,573 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -55 predicate places. [2024-11-19 05:57:22,574 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 946 transitions, 1905 flow [2024-11-19 05:57:22,576 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) [2024-11-19 05:57:22,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:22,580 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:22,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:57:22,581 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)] === [2024-11-19 05:57:22,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:22,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1490239202, now seen corresponding path program 1 times [2024-11-19 05:57:22,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:22,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132552445] [2024-11-19 05:57:22,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:22,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:22,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:22,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132552445] [2024-11-19 05:57:22,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132552445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:22,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:22,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:22,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732899824] [2024-11-19 05:57:22,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:22,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:22,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:22,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:22,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:22,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:22,657 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) [2024-11-19 05:57:22,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:22,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:22,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:22,962 INFO L124 PetriNetUnfolderBase]: 32/1398 cut-off events. [2024-11-19 05:57:22,963 INFO L125 PetriNetUnfolderBase]: For 4/28 co-relation queries the response was YES. [2024-11-19 05:57:22,990 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. [2024-11-19 05:57:23,001 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/945 dead transitions. [2024-11-19 05:57:23,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 945 transitions, 1931 flow [2024-11-19 05:57:23,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:23,006 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:23,006 INFO L175 Difference]: Start difference. First operand has 938 places, 946 transitions, 1905 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:23,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 945 transitions, 1931 flow [2024-11-19 05:57:23,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 945 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:23,022 INFO L231 Difference]: Finished difference. Result has 937 places, 945 transitions, 1903 flow [2024-11-19 05:57:23,023 INFO L260 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} [2024-11-19 05:57:23,024 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -56 predicate places. [2024-11-19 05:57:23,024 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 945 transitions, 1903 flow [2024-11-19 05:57:23,025 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) [2024-11-19 05:57:23,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:23,025 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:23,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:57:23,025 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)] === [2024-11-19 05:57:23,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:23,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1469288582, now seen corresponding path program 1 times [2024-11-19 05:57:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122348919] [2024-11-19 05:57:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:23,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:23,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122348919] [2024-11-19 05:57:23,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122348919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:23,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:23,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:23,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186982872] [2024-11-19 05:57:23,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:23,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:23,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:23,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:23,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:23,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:23,091 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) [2024-11-19 05:57:23,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:23,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:23,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:23,262 INFO L124 PetriNetUnfolderBase]: 19/974 cut-off events. [2024-11-19 05:57:23,262 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-19 05:57:23,275 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. [2024-11-19 05:57:23,280 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/944 dead transitions. [2024-11-19 05:57:23,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 944 transitions, 1929 flow [2024-11-19 05:57:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:23,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:23,285 INFO L175 Difference]: Start difference. First operand has 937 places, 945 transitions, 1903 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:23,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 944 transitions, 1929 flow [2024-11-19 05:57:23,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 944 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:23,300 INFO L231 Difference]: Finished difference. Result has 936 places, 944 transitions, 1901 flow [2024-11-19 05:57:23,302 INFO L260 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} [2024-11-19 05:57:23,303 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -57 predicate places. [2024-11-19 05:57:23,303 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 944 transitions, 1901 flow [2024-11-19 05:57:23,304 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) [2024-11-19 05:57:23,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:23,304 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:23,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:57:23,305 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)] === [2024-11-19 05:57:23,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:23,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1133118351, now seen corresponding path program 1 times [2024-11-19 05:57:23,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:23,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464596125] [2024-11-19 05:57:23,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:23,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:23,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:23,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464596125] [2024-11-19 05:57:23,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464596125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:23,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:23,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:23,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309289065] [2024-11-19 05:57:23,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:23,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:23,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:23,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:23,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:23,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:23,379 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) [2024-11-19 05:57:23,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:23,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:23,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:23,598 INFO L124 PetriNetUnfolderBase]: 29/1209 cut-off events. [2024-11-19 05:57:23,598 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-19 05:57:23,612 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. [2024-11-19 05:57:23,617 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-11-19 05:57:23,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 943 transitions, 1927 flow [2024-11-19 05:57:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:23,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:23,623 INFO L175 Difference]: Start difference. First operand has 936 places, 944 transitions, 1901 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:23,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 943 transitions, 1927 flow [2024-11-19 05:57:23,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 943 transitions, 1923 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:23,636 INFO L231 Difference]: Finished difference. Result has 935 places, 943 transitions, 1899 flow [2024-11-19 05:57:23,638 INFO L260 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} [2024-11-19 05:57:23,639 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -58 predicate places. [2024-11-19 05:57:23,639 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 943 transitions, 1899 flow [2024-11-19 05:57:23,640 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) [2024-11-19 05:57:23,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:23,640 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:23,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:57:23,640 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)] === [2024-11-19 05:57:23,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:23,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1431934626, now seen corresponding path program 1 times [2024-11-19 05:57:23,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:23,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372975513] [2024-11-19 05:57:23,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:23,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:23,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:23,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372975513] [2024-11-19 05:57:23,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372975513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:23,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:23,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:23,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65257223] [2024-11-19 05:57:23,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:23,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:23,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:23,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:23,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:23,709 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-19 05:57:23,711 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) [2024-11-19 05:57:23,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:23,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-19 05:57:23,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:23,924 INFO L124 PetriNetUnfolderBase]: 29/1170 cut-off events. [2024-11-19 05:57:23,924 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-19 05:57:23,937 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. [2024-11-19 05:57:23,944 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/942 dead transitions. [2024-11-19 05:57:23,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 942 transitions, 1925 flow [2024-11-19 05:57:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-19 05:57:23,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-19 05:57:23,949 INFO L175 Difference]: Start difference. First operand has 935 places, 943 transitions, 1899 flow. Second operand 3 states and 3039 transitions. [2024-11-19 05:57:23,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 942 transitions, 1925 flow [2024-11-19 05:57:23,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 942 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:23,964 INFO L231 Difference]: Finished difference. Result has 934 places, 942 transitions, 1897 flow [2024-11-19 05:57:23,966 INFO L260 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} [2024-11-19 05:57:23,966 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -59 predicate places. [2024-11-19 05:57:23,966 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 942 transitions, 1897 flow [2024-11-19 05:57:23,967 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) [2024-11-19 05:57:23,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:23,967 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:23,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:57:23,968 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)] === [2024-11-19 05:57:23,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1427865665, now seen corresponding path program 1 times [2024-11-19 05:57:23,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:23,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121301087] [2024-11-19 05:57:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:23,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:24,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:24,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121301087] [2024-11-19 05:57:24,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121301087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:24,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:24,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:24,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127633686] [2024-11-19 05:57:24,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:24,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:24,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:24,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:24,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:24,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-19 05:57:24,060 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) [2024-11-19 05:57:24,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:24,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-19 05:57:24,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:24,559 INFO L124 PetriNetUnfolderBase]: 61/2113 cut-off events. [2024-11-19 05:57:24,559 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:57:24,597 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. [2024-11-19 05:57:24,611 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/941 dead transitions. [2024-11-19 05:57:24,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 941 transitions, 1925 flow [2024-11-19 05:57:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:24,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-19 05:57:24,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-19 05:57:24,616 INFO L175 Difference]: Start difference. First operand has 934 places, 942 transitions, 1897 flow. Second operand 3 states and 3037 transitions. [2024-11-19 05:57:24,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 941 transitions, 1925 flow [2024-11-19 05:57:24,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 941 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:24,629 INFO L231 Difference]: Finished difference. Result has 933 places, 941 transitions, 1895 flow [2024-11-19 05:57:24,630 INFO L260 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} [2024-11-19 05:57:24,631 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -60 predicate places. [2024-11-19 05:57:24,631 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 941 transitions, 1895 flow [2024-11-19 05:57:24,632 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) [2024-11-19 05:57:24,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:24,632 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:24,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:57:24,632 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)] === [2024-11-19 05:57:24,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:24,632 INFO L85 PathProgramCache]: Analyzing trace with hash -624772100, now seen corresponding path program 1 times [2024-11-19 05:57:24,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:24,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502388299] [2024-11-19 05:57:24,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:24,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:25,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:25,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502388299] [2024-11-19 05:57:25,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502388299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:25,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:25,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:57:25,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226892031] [2024-11-19 05:57:25,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:25,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:57:25,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:25,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:57:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:57:25,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-19 05:57:25,825 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) [2024-11-19 05:57:25,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:25,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-19 05:57:25,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:43,163 INFO L124 PetriNetUnfolderBase]: 15256/84667 cut-off events. [2024-11-19 05:57:43,163 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-19 05:57:43,575 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. [2024-11-19 05:57:44,016 INFO L140 encePairwiseOnDemand]: 1036/1054 looper letters, 87 selfloop transitions, 15 changer transitions 0/938 dead transitions. [2024-11-19 05:57:44,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 938 transitions, 2093 flow [2024-11-19 05:57:44,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:57:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:57:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5619 transitions. [2024-11-19 05:57:44,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8885199240986718 [2024-11-19 05:57:44,027 INFO L175 Difference]: Start difference. First operand has 933 places, 941 transitions, 1895 flow. Second operand 6 states and 5619 transitions. [2024-11-19 05:57:44,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 938 transitions, 2093 flow [2024-11-19 05:57:44,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 938 transitions, 2089 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:44,043 INFO L231 Difference]: Finished difference. Result has 933 places, 938 transitions, 1915 flow [2024-11-19 05:57:44,044 INFO L260 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} [2024-11-19 05:57:44,044 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -60 predicate places. [2024-11-19 05:57:44,045 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 938 transitions, 1915 flow [2024-11-19 05:57:44,046 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) [2024-11-19 05:57:44,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:44,046 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:44,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:57:44,047 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)] === [2024-11-19 05:57:44,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:44,047 INFO L85 PathProgramCache]: Analyzing trace with hash 291472292, now seen corresponding path program 1 times [2024-11-19 05:57:44,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:44,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086450485] [2024-11-19 05:57:44,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:44,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:44,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:44,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086450485] [2024-11-19 05:57:44,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086450485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:44,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:44,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:44,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762860875] [2024-11-19 05:57:44,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:44,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:44,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:44,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:44,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:44,144 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-19 05:57:44,147 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) [2024-11-19 05:57:44,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:44,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-19 05:57:44,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:44,661 INFO L124 PetriNetUnfolderBase]: 47/1835 cut-off events. [2024-11-19 05:57:44,661 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-19 05:57:44,690 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. [2024-11-19 05:57:44,702 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/937 dead transitions. [2024-11-19 05:57:44,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 937 transitions, 1943 flow [2024-11-19 05:57:44,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-19 05:57:44,708 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-19 05:57:44,709 INFO L175 Difference]: Start difference. First operand has 933 places, 938 transitions, 1915 flow. Second operand 3 states and 3037 transitions. [2024-11-19 05:57:44,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 937 transitions, 1943 flow [2024-11-19 05:57:44,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 937 transitions, 1913 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:57:44,723 INFO L231 Difference]: Finished difference. Result has 929 places, 937 transitions, 1887 flow [2024-11-19 05:57:44,724 INFO L260 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} [2024-11-19 05:57:44,725 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -64 predicate places. [2024-11-19 05:57:44,725 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 937 transitions, 1887 flow [2024-11-19 05:57:44,726 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) [2024-11-19 05:57:44,726 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:44,727 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:44,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:57:44,727 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)] === [2024-11-19 05:57:44,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:44,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1613090026, now seen corresponding path program 1 times [2024-11-19 05:57:44,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:44,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659039770] [2024-11-19 05:57:44,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:44,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:44,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:44,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659039770] [2024-11-19 05:57:44,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659039770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:44,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:44,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:44,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834572122] [2024-11-19 05:57:44,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:44,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:44,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:44,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:44,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:44,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-19 05:57:44,861 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) [2024-11-19 05:57:44,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:44,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-19 05:57:44,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:45,212 INFO L124 PetriNetUnfolderBase]: 52/1631 cut-off events. [2024-11-19 05:57:45,213 INFO L125 PetriNetUnfolderBase]: For 12/24 co-relation queries the response was YES. [2024-11-19 05:57:45,235 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. [2024-11-19 05:57:45,244 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/936 dead transitions. [2024-11-19 05:57:45,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 936 transitions, 1915 flow [2024-11-19 05:57:45,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-19 05:57:45,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-19 05:57:45,250 INFO L175 Difference]: Start difference. First operand has 929 places, 937 transitions, 1887 flow. Second operand 3 states and 3037 transitions. [2024-11-19 05:57:45,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 936 transitions, 1915 flow [2024-11-19 05:57:45,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 936 transitions, 1911 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:45,372 INFO L231 Difference]: Finished difference. Result has 928 places, 936 transitions, 1885 flow [2024-11-19 05:57:45,373 INFO L260 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} [2024-11-19 05:57:45,374 INFO L277 CegarLoopForPetriNet]: 993 programPoint places, -65 predicate places. [2024-11-19 05:57:45,374 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 936 transitions, 1885 flow [2024-11-19 05:57:45,375 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) [2024-11-19 05:57:45,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:45,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:45,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:57:45,375 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)] === [2024-11-19 05:57:45,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:45,375 INFO L85 PathProgramCache]: Analyzing trace with hash 2120768922, now seen corresponding path program 1 times [2024-11-19 05:57:45,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:45,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299960589] [2024-11-19 05:57:45,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:45,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:45,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:45,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299960589] [2024-11-19 05:57:45,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299960589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:45,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:45,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:45,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531125830] [2024-11-19 05:57:45,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:45,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:45,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:45,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:45,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:45,809 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-19 05:57:45,812 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) [2024-11-19 05:57:45,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:45,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-19 05:57:45,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand