./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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-name-comparator-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 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:43:21,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:43:21,128 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:43:21,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:43:21,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:43:21,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:43:21,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:43:21,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:43:21,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:43:21,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:43:21,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:43:21,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:43:21,170 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:43:21,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:43:21,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:43:21,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:43:21,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:43:21,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:43:21,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:43:21,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:43:21,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:43:21,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:43:21,189 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:43:21,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:43:21,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:43:21,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:43:21,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:43:21,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:43:21,190 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:43:21,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:43:21,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:43:21,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:21,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:43:21,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:43:21,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:43:21,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:43:21,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:43:21,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:43:21,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:43:21,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:43:21,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:43:21,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d [2024-11-16 23:43:21,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:43:21,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:43:21,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:43:21,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:43:21,485 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:43:21,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-16 23:43:22,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:43:23,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:43:23,089 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-16 23:43:23,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5fb773e4/3edcafa2521544e28d6f14317b282d3a/FLAG24f35fdd0 [2024-11-16 23:43:23,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5fb773e4/3edcafa2521544e28d6f14317b282d3a [2024-11-16 23:43:23,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:43:23,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:43:23,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:23,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:43:23,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:43:23,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:23,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7524cc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23, skipping insertion in model container [2024-11-16 23:43:23,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:23,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:43:23,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:23,777 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:43:23,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:23,879 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:43:23,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23 WrapperNode [2024-11-16 23:43:23,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:23,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:23,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:43:23,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:43:23,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:23,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:23,973 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 844 [2024-11-16 23:43:23,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:23,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:43:23,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:43:23,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:43:23,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:23,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:23,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:23,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:24,028 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:24,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:24,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:24,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:24,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:43:24,050 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:43:24,050 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:43:24,050 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:43:24,051 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (1/1) ... [2024-11-16 23:43:24,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:24,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:24,096 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) [2024-11-16 23:43:24,103 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 [2024-11-16 23:43:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:43:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:43:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:43:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:43:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:43:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:43:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:43:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:43:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:43:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:43:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:43:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:43:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:43:24,155 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:43:24,313 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:43:24,315 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:43:25,371 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:43:25,372 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:43:25,417 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:43:25,421 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:43:25,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:25 BoogieIcfgContainer [2024-11-16 23:43:25,422 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:43:25,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:43:25,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:43:25,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:43:25,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:23" (1/3) ... [2024-11-16 23:43:25,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fea345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:25, skipping insertion in model container [2024-11-16 23:43:25,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:23" (2/3) ... [2024-11-16 23:43:25,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fea345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:25, skipping insertion in model container [2024-11-16 23:43:25,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:25" (3/3) ... [2024-11-16 23:43:25,434 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-subst.wvr.c [2024-11-16 23:43:25,455 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:43:25,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 151 error locations. [2024-11-16 23:43:25,455 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:43:25,695 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:43:25,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1065 places, 1113 transitions, 2247 flow [2024-11-16 23:43:26,468 INFO L124 PetriNetUnfolderBase]: 58/1110 cut-off events. [2024-11-16 23:43:26,468 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:26,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1110 events. 58/1110 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3904 event pairs, 0 based on Foata normal form. 0/901 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-16 23:43:26,516 INFO L82 GeneralOperation]: Start removeDead. Operand has 1065 places, 1113 transitions, 2247 flow [2024-11-16 23:43:26,556 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1042 places, 1087 transitions, 2192 flow [2024-11-16 23:43:26,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:43:26,577 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;@a13908, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:43:26,577 INFO L334 AbstractCegarLoop]: Starting to check reachability of 283 error locations. [2024-11-16 23:43:26,582 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:43:26,583 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-11-16 23:43:26,583 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:43:26,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:26,584 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] [2024-11-16 23:43:26,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:26,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash 413834580, now seen corresponding path program 1 times [2024-11-16 23:43:26,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:26,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866227365] [2024-11-16 23:43:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:26,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866227365] [2024-11-16 23:43:26,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866227365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:26,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:26,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:26,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217395495] [2024-11-16 23:43:26,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:26,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:26,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:26,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:26,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:43:26,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1042 places, 1087 transitions, 2192 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:26,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:26,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:43:26,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:31,130 INFO L124 PetriNetUnfolderBase]: 612/12183 cut-off events. [2024-11-16 23:43:31,131 INFO L125 PetriNetUnfolderBase]: For 63/81 co-relation queries the response was YES. [2024-11-16 23:43:31,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12468 conditions, 12183 events. 612/12183 cut-off events. For 63/81 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 122968 event pairs, 95 based on Foata normal form. 282/9860 useless extension candidates. Maximal degree in co-relation 12186. Up to 185 conditions per place. [2024-11-16 23:43:31,563 INFO L140 encePairwiseOnDemand]: 1092/1113 looper letters, 19 selfloop transitions, 2 changer transitions 2/1068 dead transitions. [2024-11-16 23:43:31,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1043 places, 1068 transitions, 2196 flow [2024-11-16 23:43:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3250 transitions. [2024-11-16 23:43:31,596 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9733453129679545 [2024-11-16 23:43:31,598 INFO L175 Difference]: Start difference. First operand has 1042 places, 1087 transitions, 2192 flow. Second operand 3 states and 3250 transitions. [2024-11-16 23:43:31,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1043 places, 1068 transitions, 2196 flow [2024-11-16 23:43:31,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1037 places, 1068 transitions, 2184 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:43:31,636 INFO L231 Difference]: Finished difference. Result has 1037 places, 1066 transitions, 2142 flow [2024-11-16 23:43:31,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2142, PETRI_DIFFERENCE_MINUEND_PLACES=1035, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1068, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1066, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2142, PETRI_PLACES=1037, PETRI_TRANSITIONS=1066} [2024-11-16 23:43:31,646 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -5 predicate places. [2024-11-16 23:43:31,646 INFO L471 AbstractCegarLoop]: Abstraction has has 1037 places, 1066 transitions, 2142 flow [2024-11-16 23:43:31,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:31,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:31,649 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] [2024-11-16 23:43:31,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:43:31,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:31,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:31,651 INFO L85 PathProgramCache]: Analyzing trace with hash -761885468, now seen corresponding path program 1 times [2024-11-16 23:43:31,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:31,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132941234] [2024-11-16 23:43:31,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:31,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:31,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:31,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132941234] [2024-11-16 23:43:31,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132941234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:31,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:31,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:31,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963614757] [2024-11-16 23:43:31,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:31,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:31,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:31,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:31,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:31,785 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:43:31,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1037 places, 1066 transitions, 2142 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:31,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:31,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:43:31,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:33,333 INFO L124 PetriNetUnfolderBase]: 226/4393 cut-off events. [2024-11-16 23:43:33,334 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2024-11-16 23:43:33,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4522 conditions, 4393 events. 226/4393 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 32924 event pairs, 45 based on Foata normal form. 0/3472 useless extension candidates. Maximal degree in co-relation 4481. Up to 110 conditions per place. [2024-11-16 23:43:33,456 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 19 selfloop transitions, 2 changer transitions 0/1065 dead transitions. [2024-11-16 23:43:33,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1036 places, 1065 transitions, 2182 flow [2024-11-16 23:43:33,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-16 23:43:33,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9679544773884396 [2024-11-16 23:43:33,465 INFO L175 Difference]: Start difference. First operand has 1037 places, 1066 transitions, 2142 flow. Second operand 3 states and 3232 transitions. [2024-11-16 23:43:33,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1036 places, 1065 transitions, 2182 flow [2024-11-16 23:43:33,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1034 places, 1065 transitions, 2178 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:33,486 INFO L231 Difference]: Finished difference. Result has 1034 places, 1065 transitions, 2140 flow [2024-11-16 23:43:33,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2136, PETRI_DIFFERENCE_MINUEND_PLACES=1032, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1065, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1063, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2140, PETRI_PLACES=1034, PETRI_TRANSITIONS=1065} [2024-11-16 23:43:33,489 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -8 predicate places. [2024-11-16 23:43:33,489 INFO L471 AbstractCegarLoop]: Abstraction has has 1034 places, 1065 transitions, 2140 flow [2024-11-16 23:43:33,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:33,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:33,492 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] [2024-11-16 23:43:33,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:43:33,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:33,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:33,493 INFO L85 PathProgramCache]: Analyzing trace with hash -955378776, now seen corresponding path program 1 times [2024-11-16 23:43:33,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:33,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848390273] [2024-11-16 23:43:33,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:33,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:33,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:33,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848390273] [2024-11-16 23:43:33,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848390273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:33,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:33,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:33,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336163578] [2024-11-16 23:43:33,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:33,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:33,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:33,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:33,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:33,651 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:43:33,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1034 places, 1065 transitions, 2140 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:33,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:33,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:43:33,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:34,802 INFO L124 PetriNetUnfolderBase]: 240/3578 cut-off events. [2024-11-16 23:43:34,802 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-16 23:43:34,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3777 conditions, 3578 events. 240/3578 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27362 event pairs, 95 based on Foata normal form. 0/2836 useless extension candidates. Maximal degree in co-relation 3728. Up to 185 conditions per place. [2024-11-16 23:43:34,917 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 19 selfloop transitions, 2 changer transitions 0/1064 dead transitions. [2024-11-16 23:43:34,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1035 places, 1064 transitions, 2180 flow [2024-11-16 23:43:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-16 23:43:34,925 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9679544773884396 [2024-11-16 23:43:34,925 INFO L175 Difference]: Start difference. First operand has 1034 places, 1065 transitions, 2140 flow. Second operand 3 states and 3232 transitions. [2024-11-16 23:43:34,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1035 places, 1064 transitions, 2180 flow [2024-11-16 23:43:34,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1033 places, 1064 transitions, 2176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:34,941 INFO L231 Difference]: Finished difference. Result has 1033 places, 1064 transitions, 2138 flow [2024-11-16 23:43:34,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2134, PETRI_DIFFERENCE_MINUEND_PLACES=1031, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1062, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2138, PETRI_PLACES=1033, PETRI_TRANSITIONS=1064} [2024-11-16 23:43:34,944 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -9 predicate places. [2024-11-16 23:43:34,945 INFO L471 AbstractCegarLoop]: Abstraction has has 1033 places, 1064 transitions, 2138 flow [2024-11-16 23:43:34,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:34,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:34,948 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] [2024-11-16 23:43:34,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:43:34,948 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:34,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:34,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1462067098, now seen corresponding path program 1 times [2024-11-16 23:43:34,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:34,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739071079] [2024-11-16 23:43:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:34,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:35,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:35,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739071079] [2024-11-16 23:43:35,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739071079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:35,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:35,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:35,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481003524] [2024-11-16 23:43:35,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:35,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:35,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:35,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:35,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:35,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1113 [2024-11-16 23:43:35,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand has 3 states, 3 states have (on average 1072.3333333333333) internal successors, (3217), 3 states have internal predecessors, (3217), 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) [2024-11-16 23:43:35,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:35,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1113 [2024-11-16 23:43:35,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:36,900 INFO L124 PetriNetUnfolderBase]: 245/5503 cut-off events. [2024-11-16 23:43:36,901 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:43:37,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5579 conditions, 5503 events. 245/5503 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 43721 event pairs, 16 based on Foata normal form. 0/4350 useless extension candidates. Maximal degree in co-relation 5522. Up to 51 conditions per place. [2024-11-16 23:43:37,080 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 18 selfloop transitions, 2 changer transitions 0/1063 dead transitions. [2024-11-16 23:43:37,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1034 places, 1063 transitions, 2176 flow [2024-11-16 23:43:37,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3234 transitions. [2024-11-16 23:43:37,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685534591194969 [2024-11-16 23:43:37,088 INFO L175 Difference]: Start difference. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand 3 states and 3234 transitions. [2024-11-16 23:43:37,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1034 places, 1063 transitions, 2176 flow [2024-11-16 23:43:37,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1032 places, 1063 transitions, 2172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,105 INFO L231 Difference]: Finished difference. Result has 1032 places, 1063 transitions, 2136 flow [2024-11-16 23:43:37,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2132, PETRI_DIFFERENCE_MINUEND_PLACES=1030, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1061, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2136, PETRI_PLACES=1032, PETRI_TRANSITIONS=1063} [2024-11-16 23:43:37,109 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -10 predicate places. [2024-11-16 23:43:37,109 INFO L471 AbstractCegarLoop]: Abstraction has has 1032 places, 1063 transitions, 2136 flow [2024-11-16 23:43:37,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.3333333333333) internal successors, (3217), 3 states have internal predecessors, (3217), 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) [2024-11-16 23:43:37,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,112 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] [2024-11-16 23:43:37,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:43:37,112 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:37,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1947545894, now seen corresponding path program 1 times [2024-11-16 23:43:37,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001301024] [2024-11-16 23:43:37,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001301024] [2024-11-16 23:43:37,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001301024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667823392] [2024-11-16 23:43:37,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1113 [2024-11-16 23:43:37,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-16 23:43:37,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1113 [2024-11-16 23:43:37,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,684 INFO L124 PetriNetUnfolderBase]: 73/1612 cut-off events. [2024-11-16 23:43:37,684 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:43:37,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1673 conditions, 1612 events. 73/1612 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8227 event pairs, 12 based on Foata normal form. 0/1298 useless extension candidates. Maximal degree in co-relation 1608. Up to 40 conditions per place. [2024-11-16 23:43:37,750 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 15 selfloop transitions, 2 changer transitions 0/1062 dead transitions. [2024-11-16 23:43:37,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1033 places, 1062 transitions, 2168 flow [2024-11-16 23:43:37,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3240 transitions. [2024-11-16 23:43:37,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703504043126685 [2024-11-16 23:43:37,757 INFO L175 Difference]: Start difference. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand 3 states and 3240 transitions. [2024-11-16 23:43:37,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1033 places, 1062 transitions, 2168 flow [2024-11-16 23:43:37,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1031 places, 1062 transitions, 2164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,772 INFO L231 Difference]: Finished difference. Result has 1031 places, 1062 transitions, 2134 flow [2024-11-16 23:43:37,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=1029, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2134, PETRI_PLACES=1031, PETRI_TRANSITIONS=1062} [2024-11-16 23:43:37,774 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -11 predicate places. [2024-11-16 23:43:37,774 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1062 transitions, 2134 flow [2024-11-16 23:43:37,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-16 23:43:37,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,777 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:37,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:43:37,777 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:37,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,778 INFO L85 PathProgramCache]: Analyzing trace with hash -363172729, now seen corresponding path program 1 times [2024-11-16 23:43:37,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45161230] [2024-11-16 23:43:37,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45161230] [2024-11-16 23:43:37,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45161230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760279678] [2024-11-16 23:43:37,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1113 [2024-11-16 23:43:37,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 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) [2024-11-16 23:43:37,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1113 [2024-11-16 23:43:37,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:38,959 INFO L124 PetriNetUnfolderBase]: 167/3836 cut-off events. [2024-11-16 23:43:38,959 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-16 23:43:39,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3890 conditions, 3836 events. 167/3836 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 26106 event pairs, 10 based on Foata normal form. 0/3046 useless extension candidates. Maximal degree in co-relation 3817. Up to 35 conditions per place. [2024-11-16 23:43:39,046 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 14 selfloop transitions, 2 changer transitions 0/1061 dead transitions. [2024-11-16 23:43:39,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1032 places, 1061 transitions, 2164 flow [2024-11-16 23:43:39,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3242 transitions. [2024-11-16 23:43:39,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709493860437257 [2024-11-16 23:43:39,053 INFO L175 Difference]: Start difference. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand 3 states and 3242 transitions. [2024-11-16 23:43:39,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1032 places, 1061 transitions, 2164 flow [2024-11-16 23:43:39,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1030 places, 1061 transitions, 2160 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:39,071 INFO L231 Difference]: Finished difference. Result has 1030 places, 1061 transitions, 2132 flow [2024-11-16 23:43:39,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=1028, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1061, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=1030, PETRI_TRANSITIONS=1061} [2024-11-16 23:43:39,074 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -12 predicate places. [2024-11-16 23:43:39,074 INFO L471 AbstractCegarLoop]: Abstraction has has 1030 places, 1061 transitions, 2132 flow [2024-11-16 23:43:39,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 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) [2024-11-16 23:43:39,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:39,076 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] [2024-11-16 23:43:39,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:43:39,077 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:39,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:39,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1420280293, now seen corresponding path program 1 times [2024-11-16 23:43:39,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:39,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344357659] [2024-11-16 23:43:39,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:39,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:39,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:39,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344357659] [2024-11-16 23:43:39,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344357659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:39,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:39,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:39,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279284558] [2024-11-16 23:43:39,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:39,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:39,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:39,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:39,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:39,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1113 [2024-11-16 23:43:39,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-16 23:43:39,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:39,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1113 [2024-11-16 23:43:39,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:41,370 INFO L124 PetriNetUnfolderBase]: 349/7720 cut-off events. [2024-11-16 23:43:41,370 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-16 23:43:41,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7823 conditions, 7720 events. 349/7720 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 68292 event pairs, 24 based on Foata normal form. 0/6096 useless extension candidates. Maximal degree in co-relation 7742. Up to 70 conditions per place. [2024-11-16 23:43:41,709 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 21 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-16 23:43:41,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1031 places, 1060 transitions, 2176 flow [2024-11-16 23:43:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3228 transitions. [2024-11-16 23:43:41,714 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9667565139263252 [2024-11-16 23:43:41,714 INFO L175 Difference]: Start difference. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand 3 states and 3228 transitions. [2024-11-16 23:43:41,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1031 places, 1060 transitions, 2176 flow [2024-11-16 23:43:41,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1029 places, 1060 transitions, 2172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:41,730 INFO L231 Difference]: Finished difference. Result has 1029 places, 1060 transitions, 2130 flow [2024-11-16 23:43:41,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1027, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=1029, PETRI_TRANSITIONS=1060} [2024-11-16 23:43:41,733 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -13 predicate places. [2024-11-16 23:43:41,734 INFO L471 AbstractCegarLoop]: Abstraction has has 1029 places, 1060 transitions, 2130 flow [2024-11-16 23:43:41,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-16 23:43:41,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:41,736 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] [2024-11-16 23:43:41,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:43:41,736 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:41,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:41,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1022672608, now seen corresponding path program 1 times [2024-11-16 23:43:41,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:41,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086636400] [2024-11-16 23:43:41,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:41,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:41,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:41,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086636400] [2024-11-16 23:43:41,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086636400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:41,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:41,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:41,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429976577] [2024-11-16 23:43:41,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:41,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:41,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:41,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:41,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:41,861 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:43:41,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:41,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:41,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:43:41,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:43,022 INFO L124 PetriNetUnfolderBase]: 149/3283 cut-off events. [2024-11-16 23:43:43,022 INFO L125 PetriNetUnfolderBase]: For 9/30 co-relation queries the response was YES. [2024-11-16 23:43:43,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3352 conditions, 3283 events. 149/3283 cut-off events. For 9/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21527 event pairs, 16 based on Foata normal form. 0/2611 useless extension candidates. Maximal degree in co-relation 3263. Up to 52 conditions per place. [2024-11-16 23:43:43,165 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 19 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-16 23:43:43,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1059 transitions, 2170 flow [2024-11-16 23:43:43,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-16 23:43:43,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9679544773884396 [2024-11-16 23:43:43,170 INFO L175 Difference]: Start difference. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand 3 states and 3232 transitions. [2024-11-16 23:43:43,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1059 transitions, 2170 flow [2024-11-16 23:43:43,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1059 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:43,185 INFO L231 Difference]: Finished difference. Result has 1028 places, 1059 transitions, 2128 flow [2024-11-16 23:43:43,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2128, PETRI_PLACES=1028, PETRI_TRANSITIONS=1059} [2024-11-16 23:43:43,187 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -14 predicate places. [2024-11-16 23:43:43,188 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1059 transitions, 2128 flow [2024-11-16 23:43:43,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:43,189 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:43,190 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] [2024-11-16 23:43:43,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:43:43,190 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:43,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:43,190 INFO L85 PathProgramCache]: Analyzing trace with hash -521199328, now seen corresponding path program 1 times [2024-11-16 23:43:43,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:43,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750581918] [2024-11-16 23:43:43,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:43,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:43,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:43,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750581918] [2024-11-16 23:43:43,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750581918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:43,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:43,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:43,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414403751] [2024-11-16 23:43:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:43,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:43,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:43,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:43,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:43,274 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1113 [2024-11-16 23:43:43,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-16 23:43:43,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:43,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1113 [2024-11-16 23:43:43,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:43,714 INFO L124 PetriNetUnfolderBase]: 73/1608 cut-off events. [2024-11-16 23:43:43,714 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-16 23:43:43,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 1608 events. 73/1608 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7819 event pairs, 12 based on Foata normal form. 0/1296 useless extension candidates. Maximal degree in co-relation 1566. Up to 40 conditions per place. [2024-11-16 23:43:43,779 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 15 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-16 23:43:43,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1058 transitions, 2160 flow [2024-11-16 23:43:43,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:43,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3240 transitions. [2024-11-16 23:43:43,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703504043126685 [2024-11-16 23:43:43,783 INFO L175 Difference]: Start difference. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand 3 states and 3240 transitions. [2024-11-16 23:43:43,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1058 transitions, 2160 flow [2024-11-16 23:43:43,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1058 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:43,795 INFO L231 Difference]: Finished difference. Result has 1027 places, 1058 transitions, 2126 flow [2024-11-16 23:43:43,796 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1027, PETRI_TRANSITIONS=1058} [2024-11-16 23:43:43,797 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -15 predicate places. [2024-11-16 23:43:43,797 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1058 transitions, 2126 flow [2024-11-16 23:43:43,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-16 23:43:43,799 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:43,799 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] [2024-11-16 23:43:43,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:43:43,799 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:43,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:43,800 INFO L85 PathProgramCache]: Analyzing trace with hash -733788174, now seen corresponding path program 1 times [2024-11-16 23:43:43,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:43,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600890361] [2024-11-16 23:43:43,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:43,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:43,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:43,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600890361] [2024-11-16 23:43:43,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600890361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:43,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:43,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:43,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855521631] [2024-11-16 23:43:43,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:43,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:43,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:43,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:43,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:43,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1113 [2024-11-16 23:43:43,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 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) [2024-11-16 23:43:43,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:43,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1113 [2024-11-16 23:43:43,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:44,650 INFO L124 PetriNetUnfolderBase]: 107/2447 cut-off events. [2024-11-16 23:43:44,650 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-16 23:43:44,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2496 conditions, 2447 events. 107/2447 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13609 event pairs, 10 based on Foata normal form. 0/1959 useless extension candidates. Maximal degree in co-relation 2391. Up to 35 conditions per place. [2024-11-16 23:43:44,733 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 14 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-16 23:43:44,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1057 transitions, 2156 flow [2024-11-16 23:43:44,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3242 transitions. [2024-11-16 23:43:44,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709493860437257 [2024-11-16 23:43:44,737 INFO L175 Difference]: Start difference. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand 3 states and 3242 transitions. [2024-11-16 23:43:44,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1057 transitions, 2156 flow [2024-11-16 23:43:44,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1057 transitions, 2152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:44,749 INFO L231 Difference]: Finished difference. Result has 1026 places, 1057 transitions, 2124 flow [2024-11-16 23:43:44,751 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=1026, PETRI_TRANSITIONS=1057} [2024-11-16 23:43:44,752 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -16 predicate places. [2024-11-16 23:43:44,752 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1057 transitions, 2124 flow [2024-11-16 23:43:44,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 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) [2024-11-16 23:43:44,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:44,754 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] [2024-11-16 23:43:44,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:43:44,755 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:44,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:44,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2017490574, now seen corresponding path program 1 times [2024-11-16 23:43:44,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:44,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395124748] [2024-11-16 23:43:44,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:44,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:44,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:44,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395124748] [2024-11-16 23:43:44,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395124748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:44,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:44,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:44,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464642803] [2024-11-16 23:43:44,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:44,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:44,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:44,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:44,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:44,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1113 [2024-11-16 23:43:44,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-16 23:43:44,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:44,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1113 [2024-11-16 23:43:44,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:46,298 INFO L124 PetriNetUnfolderBase]: 205/4392 cut-off events. [2024-11-16 23:43:46,298 INFO L125 PetriNetUnfolderBase]: For 13/97 co-relation queries the response was YES. [2024-11-16 23:43:46,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4483 conditions, 4392 events. 205/4392 cut-off events. For 13/97 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 32366 event pairs, 24 based on Foata normal form. 0/3481 useless extension candidates. Maximal degree in co-relation 4370. Up to 70 conditions per place. [2024-11-16 23:43:46,572 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 21 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-16 23:43:46,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1056 transitions, 2168 flow [2024-11-16 23:43:46,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3228 transitions. [2024-11-16 23:43:46,578 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9667565139263252 [2024-11-16 23:43:46,578 INFO L175 Difference]: Start difference. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand 3 states and 3228 transitions. [2024-11-16 23:43:46,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1056 transitions, 2168 flow [2024-11-16 23:43:46,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1056 transitions, 2164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:46,593 INFO L231 Difference]: Finished difference. Result has 1025 places, 1056 transitions, 2122 flow [2024-11-16 23:43:46,594 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1023, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=1025, PETRI_TRANSITIONS=1056} [2024-11-16 23:43:46,594 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -17 predicate places. [2024-11-16 23:43:46,595 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1056 transitions, 2122 flow [2024-11-16 23:43:46,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-16 23:43:46,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:46,596 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] [2024-11-16 23:43:46,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:43:46,597 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:46,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:46,597 INFO L85 PathProgramCache]: Analyzing trace with hash -275220354, now seen corresponding path program 1 times [2024-11-16 23:43:46,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:46,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472937111] [2024-11-16 23:43:46,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:46,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:46,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:46,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:46,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472937111] [2024-11-16 23:43:46,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472937111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:46,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:46,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:46,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995708856] [2024-11-16 23:43:46,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:46,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:46,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:46,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:46,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:46,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:43:46,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:46,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:46,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:43:46,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:47,301 INFO L124 PetriNetUnfolderBase]: 77/1573 cut-off events. [2024-11-16 23:43:47,302 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-16 23:43:47,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 1573 events. 77/1573 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7418 event pairs, 16 based on Foata normal form. 0/1276 useless extension candidates. Maximal degree in co-relation 1515. Up to 54 conditions per place. [2024-11-16 23:43:47,363 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 19 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-16 23:43:47,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1055 transitions, 2162 flow [2024-11-16 23:43:47,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-16 23:43:47,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9679544773884396 [2024-11-16 23:43:47,369 INFO L175 Difference]: Start difference. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand 3 states and 3232 transitions. [2024-11-16 23:43:47,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1055 transitions, 2162 flow [2024-11-16 23:43:47,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1055 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:47,384 INFO L231 Difference]: Finished difference. Result has 1024 places, 1055 transitions, 2120 flow [2024-11-16 23:43:47,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=1024, PETRI_TRANSITIONS=1055} [2024-11-16 23:43:47,386 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -18 predicate places. [2024-11-16 23:43:47,386 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1055 transitions, 2120 flow [2024-11-16 23:43:47,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-16 23:43:47,387 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:47,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:47,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:43:47,388 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:47,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:47,388 INFO L85 PathProgramCache]: Analyzing trace with hash 128508094, now seen corresponding path program 1 times [2024-11-16 23:43:47,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:47,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424938522] [2024-11-16 23:43:47,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:47,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:47,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:47,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424938522] [2024-11-16 23:43:47,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424938522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:47,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:47,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:47,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030994684] [2024-11-16 23:43:47,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:47,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:47,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:47,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:47,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:47,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1113 [2024-11-16 23:43:47,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-16 23:43:47,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:47,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1113 [2024-11-16 23:43:47,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:48,074 INFO L124 PetriNetUnfolderBase]: 73/1604 cut-off events. [2024-11-16 23:43:48,074 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-16 23:43:48,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1653 conditions, 1604 events. 73/1604 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7295 event pairs, 12 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 1524. Up to 40 conditions per place. [2024-11-16 23:43:48,154 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 15 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-16 23:43:48,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1054 transitions, 2152 flow [2024-11-16 23:43:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3240 transitions. [2024-11-16 23:43:48,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703504043126685 [2024-11-16 23:43:48,161 INFO L175 Difference]: Start difference. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand 3 states and 3240 transitions. [2024-11-16 23:43:48,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1054 transitions, 2152 flow [2024-11-16 23:43:48,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1054 transitions, 2148 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:48,180 INFO L231 Difference]: Finished difference. Result has 1023 places, 1054 transitions, 2118 flow [2024-11-16 23:43:48,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2118, PETRI_PLACES=1023, PETRI_TRANSITIONS=1054} [2024-11-16 23:43:48,182 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -19 predicate places. [2024-11-16 23:43:48,182 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1054 transitions, 2118 flow [2024-11-16 23:43:48,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-16 23:43:48,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:48,183 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:48,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:43:48,184 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:48,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:48,184 INFO L85 PathProgramCache]: Analyzing trace with hash -573595653, now seen corresponding path program 1 times [2024-11-16 23:43:48,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:48,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623566458] [2024-11-16 23:43:48,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:48,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:48,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:48,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623566458] [2024-11-16 23:43:48,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623566458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:48,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:48,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:48,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937099600] [2024-11-16 23:43:48,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:48,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:48,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:48,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:48,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:48,265 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1113 [2024-11-16 23:43:48,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 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) [2024-11-16 23:43:48,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:48,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1113 [2024-11-16 23:43:48,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:48,668 INFO L124 PetriNetUnfolderBase]: 47/1073 cut-off events. [2024-11-16 23:43:48,669 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-16 23:43:48,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 1073 events. 47/1073 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4410 event pairs, 10 based on Foata normal form. 0/888 useless extension candidates. Maximal degree in co-relation 980. Up to 35 conditions per place. [2024-11-16 23:43:48,752 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 14 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-16 23:43:48,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1053 transitions, 2148 flow [2024-11-16 23:43:48,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3242 transitions. [2024-11-16 23:43:48,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709493860437257 [2024-11-16 23:43:48,758 INFO L175 Difference]: Start difference. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand 3 states and 3242 transitions. [2024-11-16 23:43:48,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1053 transitions, 2148 flow [2024-11-16 23:43:48,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1053 transitions, 2144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:48,774 INFO L231 Difference]: Finished difference. Result has 1022 places, 1053 transitions, 2116 flow [2024-11-16 23:43:48,776 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1020, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=1022, PETRI_TRANSITIONS=1053} [2024-11-16 23:43:48,776 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -20 predicate places. [2024-11-16 23:43:48,776 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1053 transitions, 2116 flow [2024-11-16 23:43:48,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.3333333333333) internal successors, (3229), 3 states have internal predecessors, (3229), 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) [2024-11-16 23:43:48,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:48,777 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] [2024-11-16 23:43:48,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:43:48,778 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:48,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:48,778 INFO L85 PathProgramCache]: Analyzing trace with hash 870344491, now seen corresponding path program 1 times [2024-11-16 23:43:48,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:48,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138006408] [2024-11-16 23:43:48,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:48,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:48,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:48,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138006408] [2024-11-16 23:43:48,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138006408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:48,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:48,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:48,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852520205] [2024-11-16 23:43:48,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:48,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:48,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:48,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:48,879 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1113 [2024-11-16 23:43:48,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-16 23:43:48,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:48,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1113 [2024-11-16 23:43:48,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:49,377 INFO L124 PetriNetUnfolderBase]: 85/1602 cut-off events. [2024-11-16 23:43:49,378 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-16 23:43:49,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1602 events. 85/1602 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8298 event pairs, 24 based on Foata normal form. 0/1296 useless extension candidates. Maximal degree in co-relation 1536. Up to 70 conditions per place. [2024-11-16 23:43:49,456 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 21 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-16 23:43:49,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1052 transitions, 2160 flow [2024-11-16 23:43:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3228 transitions. [2024-11-16 23:43:49,462 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9667565139263252 [2024-11-16 23:43:49,462 INFO L175 Difference]: Start difference. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand 3 states and 3228 transitions. [2024-11-16 23:43:49,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1052 transitions, 2160 flow [2024-11-16 23:43:49,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1052 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:49,478 INFO L231 Difference]: Finished difference. Result has 1021 places, 1052 transitions, 2114 flow [2024-11-16 23:43:49,479 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1019, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2114, PETRI_PLACES=1021, PETRI_TRANSITIONS=1052} [2024-11-16 23:43:49,480 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -21 predicate places. [2024-11-16 23:43:49,480 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1052 transitions, 2114 flow [2024-11-16 23:43:49,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-16 23:43:49,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:49,481 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:49,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:43:49,482 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:49,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:49,482 INFO L85 PathProgramCache]: Analyzing trace with hash 329119449, now seen corresponding path program 1 times [2024-11-16 23:43:49,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:49,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370714396] [2024-11-16 23:43:49,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:49,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:50,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370714396] [2024-11-16 23:43:50,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370714396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:50,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:50,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:50,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601261586] [2024-11-16 23:43:50,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:50,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:50,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:50,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:50,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:50,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1113 [2024-11-16 23:43:50,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand has 6 states, 6 states have (on average 1062.5) internal successors, (6375), 6 states have internal predecessors, (6375), 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) [2024-11-16 23:43:50,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:50,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1113 [2024-11-16 23:43:50,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:54,261 INFO L124 PetriNetUnfolderBase]: 893/12792 cut-off events. [2024-11-16 23:43:54,261 INFO L125 PetriNetUnfolderBase]: For 59/68 co-relation queries the response was YES. [2024-11-16 23:43:54,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13412 conditions, 12792 events. 893/12792 cut-off events. For 59/68 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 132529 event pairs, 264 based on Foata normal form. 0/10062 useless extension candidates. Maximal degree in co-relation 13260. Up to 580 conditions per place. [2024-11-16 23:43:54,707 INFO L140 encePairwiseOnDemand]: 1107/1113 looper letters, 26 selfloop transitions, 5 changer transitions 0/1051 dead transitions. [2024-11-16 23:43:54,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1051 transitions, 2174 flow [2024-11-16 23:43:54,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6398 transitions. [2024-11-16 23:43:54,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9580712788259959 [2024-11-16 23:43:54,716 INFO L175 Difference]: Start difference. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand 6 states and 6398 transitions. [2024-11-16 23:43:54,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1051 transitions, 2174 flow [2024-11-16 23:43:54,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1051 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:54,735 INFO L231 Difference]: Finished difference. Result has 1023 places, 1051 transitions, 2118 flow [2024-11-16 23:43:54,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1018, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2118, PETRI_PLACES=1023, PETRI_TRANSITIONS=1051} [2024-11-16 23:43:54,736 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -19 predicate places. [2024-11-16 23:43:54,737 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1051 transitions, 2118 flow [2024-11-16 23:43:54,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1062.5) internal successors, (6375), 6 states have internal predecessors, (6375), 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) [2024-11-16 23:43:54,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:54,739 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:54,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:43:54,739 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:54,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:54,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1852275191, now seen corresponding path program 1 times [2024-11-16 23:43:54,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:54,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927870600] [2024-11-16 23:43:54,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:54,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:54,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:54,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927870600] [2024-11-16 23:43:54,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927870600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:54,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:54,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:54,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577590601] [2024-11-16 23:43:54,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:54,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:54,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:54,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:54,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:54,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1077 out of 1113 [2024-11-16 23:43:54,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1051 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1078.3333333333333) internal successors, (3235), 3 states have internal predecessors, (3235), 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) [2024-11-16 23:43:54,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:54,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1077 of 1113 [2024-11-16 23:43:54,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:55,342 INFO L124 PetriNetUnfolderBase]: 121/2611 cut-off events. [2024-11-16 23:43:55,342 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-16 23:43:55,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2670 conditions, 2611 events. 121/2611 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14355 event pairs, 15 based on Foata normal form. 0/2094 useless extension candidates. Maximal degree in co-relation 2652. Up to 43 conditions per place. [2024-11-16 23:43:55,434 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 12 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-16 23:43:55,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1050 transitions, 2144 flow [2024-11-16 23:43:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3246 transitions. [2024-11-16 23:43:55,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.97214734950584 [2024-11-16 23:43:55,439 INFO L175 Difference]: Start difference. First operand has 1023 places, 1051 transitions, 2118 flow. Second operand 3 states and 3246 transitions. [2024-11-16 23:43:55,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1050 transitions, 2144 flow [2024-11-16 23:43:55,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1019 places, 1050 transitions, 2134 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:55,453 INFO L231 Difference]: Finished difference. Result has 1019 places, 1050 transitions, 2110 flow [2024-11-16 23:43:55,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1017, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2110, PETRI_PLACES=1019, PETRI_TRANSITIONS=1050} [2024-11-16 23:43:55,455 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -23 predicate places. [2024-11-16 23:43:55,455 INFO L471 AbstractCegarLoop]: Abstraction has has 1019 places, 1050 transitions, 2110 flow [2024-11-16 23:43:55,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1078.3333333333333) internal successors, (3235), 3 states have internal predecessors, (3235), 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) [2024-11-16 23:43:55,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:55,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:55,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:43:55,456 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err42ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:55,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:55,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1319660762, now seen corresponding path program 1 times [2024-11-16 23:43:55,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:55,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312872614] [2024-11-16 23:43:55,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:55,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:55,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312872614] [2024-11-16 23:43:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312872614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:55,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:55,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:55,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515892430] [2024-11-16 23:43:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:55,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:55,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:55,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:55,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1076 out of 1113 [2024-11-16 23:43:55,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1019 places, 1050 transitions, 2110 flow. Second operand has 3 states, 3 states have (on average 1077.6666666666667) internal successors, (3233), 3 states have internal predecessors, (3233), 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) [2024-11-16 23:43:55,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:55,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1076 of 1113 [2024-11-16 23:43:55,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:56,006 INFO L124 PetriNetUnfolderBase]: 79/1605 cut-off events. [2024-11-16 23:43:56,006 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:43:56,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1605 events. 79/1605 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8248 event pairs, 14 based on Foata normal form. 0/1304 useless extension candidates. Maximal degree in co-relation 1482. Up to 43 conditions per place. [2024-11-16 23:43:56,043 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 16 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-16 23:43:56,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1020 places, 1051 transitions, 2150 flow [2024-11-16 23:43:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions. [2024-11-16 23:43:56,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724468403713686 [2024-11-16 23:43:56,048 INFO L175 Difference]: Start difference. First operand has 1019 places, 1050 transitions, 2110 flow. Second operand 3 states and 3247 transitions. [2024-11-16 23:43:56,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1020 places, 1051 transitions, 2150 flow [2024-11-16 23:43:56,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1051 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:56,058 INFO L231 Difference]: Finished difference. Result has 1018 places, 1049 transitions, 2108 flow [2024-11-16 23:43:56,059 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1047, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2108, PETRI_PLACES=1018, PETRI_TRANSITIONS=1049} [2024-11-16 23:43:56,059 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -24 predicate places. [2024-11-16 23:43:56,060 INFO L471 AbstractCegarLoop]: Abstraction has has 1018 places, 1049 transitions, 2108 flow [2024-11-16 23:43:56,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.6666666666667) internal successors, (3233), 3 states have internal predecessors, (3233), 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) [2024-11-16 23:43:56,061 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:56,061 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] [2024-11-16 23:43:56,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:43:56,061 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err41ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:56,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash 594993973, now seen corresponding path program 1 times [2024-11-16 23:43:56,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:56,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128110483] [2024-11-16 23:43:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:56,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:56,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:56,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128110483] [2024-11-16 23:43:56,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128110483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:56,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:56,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:56,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050558665] [2024-11-16 23:43:56,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:56,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:56,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:56,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:56,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:56,166 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:43:56,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1018 places, 1049 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1071.6666666666667) internal successors, (3215), 3 states have internal predecessors, (3215), 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) [2024-11-16 23:43:56,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:56,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:43:56,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:56,583 INFO L124 PetriNetUnfolderBase]: 115/2155 cut-off events. [2024-11-16 23:43:56,584 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:43:56,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2275 conditions, 2155 events. 115/2155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 13249 event pairs, 26 based on Foata normal form. 0/1740 useless extension candidates. Maximal degree in co-relation 2062. Up to 73 conditions per place. [2024-11-16 23:43:56,671 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 22 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-16 23:43:56,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1019 places, 1050 transitions, 2160 flow [2024-11-16 23:43:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3235 transitions. [2024-11-16 23:43:56,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688529499850255 [2024-11-16 23:43:56,678 INFO L175 Difference]: Start difference. First operand has 1018 places, 1049 transitions, 2108 flow. Second operand 3 states and 3235 transitions. [2024-11-16 23:43:56,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1019 places, 1050 transitions, 2160 flow [2024-11-16 23:43:56,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1050 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:56,693 INFO L231 Difference]: Finished difference. Result has 1017 places, 1048 transitions, 2106 flow [2024-11-16 23:43:56,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2106, PETRI_PLACES=1017, PETRI_TRANSITIONS=1048} [2024-11-16 23:43:56,695 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -25 predicate places. [2024-11-16 23:43:56,695 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1048 transitions, 2106 flow [2024-11-16 23:43:56,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.6666666666667) internal successors, (3215), 3 states have internal predecessors, (3215), 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) [2024-11-16 23:43:56,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:56,696 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] [2024-11-16 23:43:56,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:43:56,696 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err42ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:56,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:56,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1733359815, now seen corresponding path program 1 times [2024-11-16 23:43:56,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:56,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617502233] [2024-11-16 23:43:56,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:56,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:56,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:56,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617502233] [2024-11-16 23:43:56,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617502233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:56,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:56,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:56,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664090470] [2024-11-16 23:43:56,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:56,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:56,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:56,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:56,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:56,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1076 out of 1113 [2024-11-16 23:43:56,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1078.0) internal successors, (3234), 3 states have internal predecessors, (3234), 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) [2024-11-16 23:43:56,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:56,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1076 of 1113 [2024-11-16 23:43:56,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:57,145 INFO L124 PetriNetUnfolderBase]: 79/1603 cut-off events. [2024-11-16 23:43:57,145 INFO L125 PetriNetUnfolderBase]: For 11/20 co-relation queries the response was YES. [2024-11-16 23:43:57,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1672 conditions, 1603 events. 79/1603 cut-off events. For 11/20 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7904 event pairs, 14 based on Foata normal form. 0/1302 useless extension candidates. Maximal degree in co-relation 1454. Up to 43 conditions per place. [2024-11-16 23:43:57,218 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 16 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-16 23:43:57,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1049 transitions, 2146 flow [2024-11-16 23:43:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions. [2024-11-16 23:43:57,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724468403713686 [2024-11-16 23:43:57,221 INFO L175 Difference]: Start difference. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand 3 states and 3247 transitions. [2024-11-16 23:43:57,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1049 transitions, 2146 flow [2024-11-16 23:43:57,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1049 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:57,230 INFO L231 Difference]: Finished difference. Result has 1016 places, 1047 transitions, 2104 flow [2024-11-16 23:43:57,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1014, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2104, PETRI_PLACES=1016, PETRI_TRANSITIONS=1047} [2024-11-16 23:43:57,231 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -26 predicate places. [2024-11-16 23:43:57,232 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1047 transitions, 2104 flow [2024-11-16 23:43:57,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1078.0) internal successors, (3234), 3 states have internal predecessors, (3234), 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) [2024-11-16 23:43:57,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:57,232 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] [2024-11-16 23:43:57,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:43:57,233 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err40ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:43:57,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:57,233 INFO L85 PathProgramCache]: Analyzing trace with hash 137610635, now seen corresponding path program 1 times [2024-11-16 23:43:57,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:57,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811631365] [2024-11-16 23:43:57,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:57,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:57,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:57,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811631365] [2024-11-16 23:43:57,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811631365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:57,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:57,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:57,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685414416] [2024-11-16 23:43:57,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:57,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:57,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:57,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:57,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:57,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1056 out of 1113 [2024-11-16 23:43:57,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand has 3 states, 3 states have (on average 1057.3333333333333) internal successors, (3172), 3 states have internal predecessors, (3172), 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) [2024-11-16 23:43:57,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:57,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1056 of 1113 [2024-11-16 23:43:57,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:59,618 INFO L124 PetriNetUnfolderBase]: 847/10615 cut-off events. [2024-11-16 23:43:59,618 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-16 23:43:59,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11415 conditions, 10615 events. 847/10615 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 103639 event pairs, 190 based on Foata normal form. 0/8480 useless extension candidates. Maximal degree in co-relation 10900. Up to 658 conditions per place. [2024-11-16 23:44:00,032 INFO L140 encePairwiseOnDemand]: 1101/1113 looper letters, 29 selfloop transitions, 2 changer transitions 0/1041 dead transitions. [2024-11-16 23:44:00,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1008 places, 1041 transitions, 2156 flow [2024-11-16 23:44:00,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3209 transitions. [2024-11-16 23:44:00,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610661874812818 [2024-11-16 23:44:00,034 INFO L175 Difference]: Start difference. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand 3 states and 3209 transitions. [2024-11-16 23:44:00,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1008 places, 1041 transitions, 2156 flow [2024-11-16 23:44:00,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1006 places, 1041 transitions, 2152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:00,046 INFO L231 Difference]: Finished difference. Result has 1007 places, 1039 transitions, 2094 flow [2024-11-16 23:44:00,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2080, PETRI_DIFFERENCE_MINUEND_PLACES=1004, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1037, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2094, PETRI_PLACES=1007, PETRI_TRANSITIONS=1039} [2024-11-16 23:44:00,047 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -35 predicate places. [2024-11-16 23:44:00,047 INFO L471 AbstractCegarLoop]: Abstraction has has 1007 places, 1039 transitions, 2094 flow [2024-11-16 23:44:00,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1057.3333333333333) internal successors, (3172), 3 states have internal predecessors, (3172), 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) [2024-11-16 23:44:00,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:00,048 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] [2024-11-16 23:44:00,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:44:00,048 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err39ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:00,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:00,049 INFO L85 PathProgramCache]: Analyzing trace with hash -900095188, now seen corresponding path program 1 times [2024-11-16 23:44:00,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:00,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193300610] [2024-11-16 23:44:00,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:00,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:00,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:00,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193300610] [2024-11-16 23:44:00,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193300610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:00,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:00,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:00,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372563471] [2024-11-16 23:44:00,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:00,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:00,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:00,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:00,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1056 out of 1113 [2024-11-16 23:44:00,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1007 places, 1039 transitions, 2094 flow. Second operand has 3 states, 3 states have (on average 1057.3333333333333) internal successors, (3172), 3 states have internal predecessors, (3172), 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) [2024-11-16 23:44:00,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:00,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1056 of 1113 [2024-11-16 23:44:00,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:01,924 INFO L124 PetriNetUnfolderBase]: 451/6343 cut-off events. [2024-11-16 23:44:01,924 INFO L125 PetriNetUnfolderBase]: For 31/77 co-relation queries the response was YES. [2024-11-16 23:44:02,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6719 conditions, 6343 events. 451/6343 cut-off events. For 31/77 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 51775 event pairs, 110 based on Foata normal form. 1/5114 useless extension candidates. Maximal degree in co-relation 6242. Up to 340 conditions per place. [2024-11-16 23:44:02,284 INFO L140 encePairwiseOnDemand]: 1101/1113 looper letters, 29 selfloop transitions, 2 changer transitions 0/1033 dead transitions. [2024-11-16 23:44:02,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 999 places, 1033 transitions, 2146 flow [2024-11-16 23:44:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3209 transitions. [2024-11-16 23:44:02,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610661874812818 [2024-11-16 23:44:02,286 INFO L175 Difference]: Start difference. First operand has 1007 places, 1039 transitions, 2094 flow. Second operand 3 states and 3209 transitions. [2024-11-16 23:44:02,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 999 places, 1033 transitions, 2146 flow [2024-11-16 23:44:02,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 999 places, 1033 transitions, 2146 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:02,298 INFO L231 Difference]: Finished difference. Result has 1000 places, 1031 transitions, 2088 flow [2024-11-16 23:44:02,299 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=997, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1027, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2088, PETRI_PLACES=1000, PETRI_TRANSITIONS=1031} [2024-11-16 23:44:02,300 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -42 predicate places. [2024-11-16 23:44:02,300 INFO L471 AbstractCegarLoop]: Abstraction has has 1000 places, 1031 transitions, 2088 flow [2024-11-16 23:44:02,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1057.3333333333333) internal successors, (3172), 3 states have internal predecessors, (3172), 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) [2024-11-16 23:44:02,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:02,301 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] [2024-11-16 23:44:02,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:44:02,301 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err41ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:02,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1557499607, now seen corresponding path program 1 times [2024-11-16 23:44:02,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:02,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097775696] [2024-11-16 23:44:02,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:02,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:02,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:02,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097775696] [2024-11-16 23:44:02,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097775696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:02,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:02,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:02,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899599236] [2024-11-16 23:44:02,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:02,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:02,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:02,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:02,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:02,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:44:02,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1000 places, 1031 transitions, 2088 flow. Second operand has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 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) [2024-11-16 23:44:02,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:02,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:44:02,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:03,064 INFO L124 PetriNetUnfolderBase]: 166/2872 cut-off events. [2024-11-16 23:44:03,065 INFO L125 PetriNetUnfolderBase]: For 17/44 co-relation queries the response was YES. [2024-11-16 23:44:03,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3041 conditions, 2872 events. 166/2872 cut-off events. For 17/44 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 20401 event pairs, 37 based on Foata normal form. 0/2342 useless extension candidates. Maximal degree in co-relation 2250. Up to 106 conditions per place. [2024-11-16 23:44:03,186 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 22 selfloop transitions, 2 changer transitions 0/1032 dead transitions. [2024-11-16 23:44:03,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1001 places, 1032 transitions, 2140 flow [2024-11-16 23:44:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3235 transitions. [2024-11-16 23:44:03,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688529499850255 [2024-11-16 23:44:03,188 INFO L175 Difference]: Start difference. First operand has 1000 places, 1031 transitions, 2088 flow. Second operand 3 states and 3235 transitions. [2024-11-16 23:44:03,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1001 places, 1032 transitions, 2140 flow [2024-11-16 23:44:03,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1001 places, 1032 transitions, 2140 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:03,197 INFO L231 Difference]: Finished difference. Result has 1001 places, 1030 transitions, 2090 flow [2024-11-16 23:44:03,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2086, PETRI_DIFFERENCE_MINUEND_PLACES=999, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1030, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1028, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2090, PETRI_PLACES=1001, PETRI_TRANSITIONS=1030} [2024-11-16 23:44:03,198 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -41 predicate places. [2024-11-16 23:44:03,198 INFO L471 AbstractCegarLoop]: Abstraction has has 1001 places, 1030 transitions, 2090 flow [2024-11-16 23:44:03,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 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) [2024-11-16 23:44:03,199 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:03,199 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:03,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:44:03,199 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err42ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:03,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:03,200 INFO L85 PathProgramCache]: Analyzing trace with hash -972966576, now seen corresponding path program 1 times [2024-11-16 23:44:03,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:03,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780997903] [2024-11-16 23:44:03,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:03,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:03,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:03,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780997903] [2024-11-16 23:44:03,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780997903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:03,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:03,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:03,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927392073] [2024-11-16 23:44:03,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:03,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:03,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:03,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:03,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:03,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1076 out of 1113 [2024-11-16 23:44:03,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1001 places, 1030 transitions, 2090 flow. Second operand has 3 states, 3 states have (on average 1078.3333333333333) internal successors, (3235), 3 states have internal predecessors, (3235), 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) [2024-11-16 23:44:03,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:03,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1076 of 1113 [2024-11-16 23:44:03,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:03,767 INFO L124 PetriNetUnfolderBase]: 93/1826 cut-off events. [2024-11-16 23:44:03,768 INFO L125 PetriNetUnfolderBase]: For 19/33 co-relation queries the response was YES. [2024-11-16 23:44:03,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 1826 events. 93/1826 cut-off events. For 19/33 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10645 event pairs, 9 based on Foata normal form. 1/1509 useless extension candidates. Maximal degree in co-relation 1678. Up to 48 conditions per place. [2024-11-16 23:44:03,847 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 16 selfloop transitions, 2 changer transitions 0/1031 dead transitions. [2024-11-16 23:44:03,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1002 places, 1031 transitions, 2130 flow [2024-11-16 23:44:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions. [2024-11-16 23:44:03,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724468403713686 [2024-11-16 23:44:03,850 INFO L175 Difference]: Start difference. First operand has 1001 places, 1030 transitions, 2090 flow. Second operand 3 states and 3247 transitions. [2024-11-16 23:44:03,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1002 places, 1031 transitions, 2130 flow [2024-11-16 23:44:03,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1000 places, 1031 transitions, 2126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:03,859 INFO L231 Difference]: Finished difference. Result has 1000 places, 1029 transitions, 2088 flow [2024-11-16 23:44:03,860 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=998, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1027, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2088, PETRI_PLACES=1000, PETRI_TRANSITIONS=1029} [2024-11-16 23:44:03,860 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -42 predicate places. [2024-11-16 23:44:03,860 INFO L471 AbstractCegarLoop]: Abstraction has has 1000 places, 1029 transitions, 2088 flow [2024-11-16 23:44:03,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1078.3333333333333) internal successors, (3235), 3 states have internal predecessors, (3235), 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) [2024-11-16 23:44:03,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:03,861 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:03,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 23:44:03,861 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err38ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:03,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:03,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1252717219, now seen corresponding path program 1 times [2024-11-16 23:44:03,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:03,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447792685] [2024-11-16 23:44:03,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:03,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:03,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:03,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447792685] [2024-11-16 23:44:03,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447792685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:03,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:03,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:03,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068980630] [2024-11-16 23:44:03,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:03,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:03,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:03,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:03,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:03,936 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1113 [2024-11-16 23:44:03,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1000 places, 1029 transitions, 2088 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-16 23:44:03,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:03,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1113 [2024-11-16 23:44:03,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:04,762 INFO L124 PetriNetUnfolderBase]: 191/3774 cut-off events. [2024-11-16 23:44:04,762 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:44:04,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3917 conditions, 3774 events. 191/3774 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 25697 event pairs, 8 based on Foata normal form. 0/3082 useless extension candidates. Maximal degree in co-relation 3438. Up to 42 conditions per place. [2024-11-16 23:44:04,880 INFO L140 encePairwiseOnDemand]: 1099/1113 looper letters, 18 selfloop transitions, 9 changer transitions 0/1030 dead transitions. [2024-11-16 23:44:04,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 997 places, 1030 transitions, 2146 flow [2024-11-16 23:44:04,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3233 transitions. [2024-11-16 23:44:04,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9682539682539683 [2024-11-16 23:44:04,883 INFO L175 Difference]: Start difference. First operand has 1000 places, 1029 transitions, 2088 flow. Second operand 3 states and 3233 transitions. [2024-11-16 23:44:04,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 997 places, 1030 transitions, 2146 flow [2024-11-16 23:44:04,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 995 places, 1030 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:04,894 INFO L231 Difference]: Finished difference. Result has 996 places, 1028 transitions, 2117 flow [2024-11-16 23:44:04,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2117, PETRI_PLACES=996, PETRI_TRANSITIONS=1028} [2024-11-16 23:44:04,896 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -46 predicate places. [2024-11-16 23:44:04,896 INFO L471 AbstractCegarLoop]: Abstraction has has 996 places, 1028 transitions, 2117 flow [2024-11-16 23:44:04,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-16 23:44:04,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:04,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:04,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 23:44:04,897 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err37ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:04,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:04,898 INFO L85 PathProgramCache]: Analyzing trace with hash -755213230, now seen corresponding path program 1 times [2024-11-16 23:44:04,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:04,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344596277] [2024-11-16 23:44:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:04,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:04,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344596277] [2024-11-16 23:44:04,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344596277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:04,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:04,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:04,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844995747] [2024-11-16 23:44:04,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:04,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:04,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:04,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:04,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:04,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1113 [2024-11-16 23:44:04,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 996 places, 1028 transitions, 2117 flow. Second operand has 3 states, 3 states have (on average 1074.6666666666667) internal successors, (3224), 3 states have internal predecessors, (3224), 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) [2024-11-16 23:44:04,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:04,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1113 [2024-11-16 23:44:04,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:05,777 INFO L124 PetriNetUnfolderBase]: 183/3669 cut-off events. [2024-11-16 23:44:05,777 INFO L125 PetriNetUnfolderBase]: For 61/77 co-relation queries the response was YES. [2024-11-16 23:44:05,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3849 conditions, 3669 events. 183/3669 cut-off events. For 61/77 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 28378 event pairs, 20 based on Foata normal form. 1/3012 useless extension candidates. Maximal degree in co-relation 3369. Up to 68 conditions per place. [2024-11-16 23:44:05,930 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 22 selfloop transitions, 3 changer transitions 0/1029 dead transitions. [2024-11-16 23:44:05,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 997 places, 1029 transitions, 2171 flow [2024-11-16 23:44:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3241 transitions. [2024-11-16 23:44:05,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9706498951781971 [2024-11-16 23:44:05,932 INFO L175 Difference]: Start difference. First operand has 996 places, 1028 transitions, 2117 flow. Second operand 3 states and 3241 transitions. [2024-11-16 23:44:05,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 997 places, 1029 transitions, 2171 flow [2024-11-16 23:44:05,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 996 places, 1029 transitions, 2162 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:05,942 INFO L231 Difference]: Finished difference. Result has 996 places, 1027 transitions, 2112 flow [2024-11-16 23:44:05,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=994, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1024, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2112, PETRI_PLACES=996, PETRI_TRANSITIONS=1027} [2024-11-16 23:44:05,944 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -46 predicate places. [2024-11-16 23:44:05,944 INFO L471 AbstractCegarLoop]: Abstraction has has 996 places, 1027 transitions, 2112 flow [2024-11-16 23:44:05,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.6666666666667) internal successors, (3224), 3 states have internal predecessors, (3224), 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) [2024-11-16 23:44:05,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:05,945 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:05,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 23:44:05,945 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err39ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:05,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:05,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1398769505, now seen corresponding path program 1 times [2024-11-16 23:44:05,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:05,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401264304] [2024-11-16 23:44:05,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:05,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:05,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:05,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401264304] [2024-11-16 23:44:05,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401264304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:05,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:05,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268086712] [2024-11-16 23:44:05,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:05,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:05,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:05,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:05,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:06,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1056 out of 1113 [2024-11-16 23:44:06,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 996 places, 1027 transitions, 2112 flow. Second operand has 3 states, 3 states have (on average 1057.6666666666667) internal successors, (3173), 3 states have internal predecessors, (3173), 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) [2024-11-16 23:44:06,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:06,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1056 of 1113 [2024-11-16 23:44:06,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:10,113 INFO L124 PetriNetUnfolderBase]: 1568/19955 cut-off events. [2024-11-16 23:44:10,113 INFO L125 PetriNetUnfolderBase]: For 144/150 co-relation queries the response was YES. [2024-11-16 23:44:10,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21200 conditions, 19955 events. 1568/19955 cut-off events. For 144/150 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 223166 event pairs, 488 based on Foata normal form. 0/16099 useless extension candidates. Maximal degree in co-relation 15927. Up to 1183 conditions per place. [2024-11-16 23:44:10,684 INFO L140 encePairwiseOnDemand]: 1101/1113 looper letters, 29 selfloop transitions, 2 changer transitions 0/1021 dead transitions. [2024-11-16 23:44:10,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 988 places, 1021 transitions, 2164 flow [2024-11-16 23:44:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3209 transitions. [2024-11-16 23:44:10,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610661874812818 [2024-11-16 23:44:10,686 INFO L175 Difference]: Start difference. First operand has 996 places, 1027 transitions, 2112 flow. Second operand 3 states and 3209 transitions. [2024-11-16 23:44:10,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 988 places, 1021 transitions, 2164 flow [2024-11-16 23:44:10,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 986 places, 1021 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:10,699 INFO L231 Difference]: Finished difference. Result has 987 places, 1019 transitions, 2100 flow [2024-11-16 23:44:10,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2086, PETRI_DIFFERENCE_MINUEND_PLACES=984, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2100, PETRI_PLACES=987, PETRI_TRANSITIONS=1019} [2024-11-16 23:44:10,700 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -55 predicate places. [2024-11-16 23:44:10,701 INFO L471 AbstractCegarLoop]: Abstraction has has 987 places, 1019 transitions, 2100 flow [2024-11-16 23:44:10,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1057.6666666666667) internal successors, (3173), 3 states have internal predecessors, (3173), 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) [2024-11-16 23:44:10,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:10,701 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] [2024-11-16 23:44:10,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 23:44:10,701 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err41ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:10,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:10,702 INFO L85 PathProgramCache]: Analyzing trace with hash -721378571, now seen corresponding path program 1 times [2024-11-16 23:44:10,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:10,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754618221] [2024-11-16 23:44:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:10,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:10,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754618221] [2024-11-16 23:44:10,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754618221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:10,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:10,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:10,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067058386] [2024-11-16 23:44:10,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:10,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:10,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:10,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:10,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:10,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:44:10,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 987 places, 1019 transitions, 2100 flow. Second operand has 3 states, 3 states have (on average 1072.3333333333333) internal successors, (3217), 3 states have internal predecessors, (3217), 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) [2024-11-16 23:44:10,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:10,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:44:10,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:11,543 INFO L124 PetriNetUnfolderBase]: 180/3059 cut-off events. [2024-11-16 23:44:11,543 INFO L125 PetriNetUnfolderBase]: For 44/58 co-relation queries the response was YES. [2024-11-16 23:44:11,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3262 conditions, 3059 events. 180/3059 cut-off events. For 44/58 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 22207 event pairs, 37 based on Foata normal form. 1/2539 useless extension candidates. Maximal degree in co-relation 2524. Up to 139 conditions per place. [2024-11-16 23:44:11,648 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 22 selfloop transitions, 2 changer transitions 0/1020 dead transitions. [2024-11-16 23:44:11,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 988 places, 1020 transitions, 2152 flow [2024-11-16 23:44:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3235 transitions. [2024-11-16 23:44:11,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688529499850255 [2024-11-16 23:44:11,651 INFO L175 Difference]: Start difference. First operand has 987 places, 1019 transitions, 2100 flow. Second operand 3 states and 3235 transitions. [2024-11-16 23:44:11,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 988 places, 1020 transitions, 2152 flow [2024-11-16 23:44:11,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 988 places, 1020 transitions, 2152 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:11,661 INFO L231 Difference]: Finished difference. Result has 988 places, 1018 transitions, 2102 flow [2024-11-16 23:44:11,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=986, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1018, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1016, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2102, PETRI_PLACES=988, PETRI_TRANSITIONS=1018} [2024-11-16 23:44:11,662 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -54 predicate places. [2024-11-16 23:44:11,662 INFO L471 AbstractCegarLoop]: Abstraction has has 988 places, 1018 transitions, 2102 flow [2024-11-16 23:44:11,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.3333333333333) internal successors, (3217), 3 states have internal predecessors, (3217), 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) [2024-11-16 23:44:11,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:11,663 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:11,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 23:44:11,663 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err38ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:11,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash -967143041, now seen corresponding path program 1 times [2024-11-16 23:44:11,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:11,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767558864] [2024-11-16 23:44:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:11,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:11,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:11,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767558864] [2024-11-16 23:44:11,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767558864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:11,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:11,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:11,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175557625] [2024-11-16 23:44:11,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:11,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:11,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:11,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:11,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:11,751 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1113 [2024-11-16 23:44:11,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 988 places, 1018 transitions, 2102 flow. Second operand has 3 states, 3 states have (on average 1065.6666666666667) internal successors, (3197), 3 states have internal predecessors, (3197), 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) [2024-11-16 23:44:11,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:11,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1113 [2024-11-16 23:44:11,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:12,928 INFO L124 PetriNetUnfolderBase]: 298/5494 cut-off events. [2024-11-16 23:44:12,928 INFO L125 PetriNetUnfolderBase]: For 14/30 co-relation queries the response was YES. [2024-11-16 23:44:13,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5748 conditions, 5494 events. 298/5494 cut-off events. For 14/30 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 44696 event pairs, 12 based on Foata normal form. 0/4546 useless extension candidates. Maximal degree in co-relation 5388. Up to 68 conditions per place. [2024-11-16 23:44:13,108 INFO L140 encePairwiseOnDemand]: 1098/1113 looper letters, 20 selfloop transitions, 9 changer transitions 0/1018 dead transitions. [2024-11-16 23:44:13,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1018 transitions, 2162 flow [2024-11-16 23:44:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3227 transitions. [2024-11-16 23:44:13,110 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9664570230607966 [2024-11-16 23:44:13,110 INFO L175 Difference]: Start difference. First operand has 988 places, 1018 transitions, 2102 flow. Second operand 3 states and 3227 transitions. [2024-11-16 23:44:13,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1018 transitions, 2162 flow [2024-11-16 23:44:13,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1018 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:13,122 INFO L231 Difference]: Finished difference. Result has 983 places, 1016 transitions, 2129 flow [2024-11-16 23:44:13,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2086, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1012, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1003, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2129, PETRI_PLACES=983, PETRI_TRANSITIONS=1016} [2024-11-16 23:44:13,123 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -59 predicate places. [2024-11-16 23:44:13,123 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 1016 transitions, 2129 flow [2024-11-16 23:44:13,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.6666666666667) internal successors, (3197), 3 states have internal predecessors, (3197), 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) [2024-11-16 23:44:13,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:13,124 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] [2024-11-16 23:44:13,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 23:44:13,124 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err37ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:13,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1544814747, now seen corresponding path program 1 times [2024-11-16 23:44:13,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:13,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422291770] [2024-11-16 23:44:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:13,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:13,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:13,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422291770] [2024-11-16 23:44:13,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422291770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:13,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:13,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:13,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546923347] [2024-11-16 23:44:13,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:13,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:13,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:13,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:13,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:13,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1113 [2024-11-16 23:44:13,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1016 transitions, 2129 flow. Second operand has 3 states, 3 states have (on average 1074.0) internal successors, (3222), 3 states have internal predecessors, (3222), 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) [2024-11-16 23:44:13,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:13,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1113 [2024-11-16 23:44:13,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:14,412 INFO L124 PetriNetUnfolderBase]: 285/5369 cut-off events. [2024-11-16 23:44:14,412 INFO L125 PetriNetUnfolderBase]: For 113/166 co-relation queries the response was YES. [2024-11-16 23:44:14,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5676 conditions, 5369 events. 285/5369 cut-off events. For 113/166 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 47605 event pairs, 30 based on Foata normal form. 0/4451 useless extension candidates. Maximal degree in co-relation 5083. Up to 105 conditions per place. [2024-11-16 23:44:14,573 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 23 selfloop transitions, 3 changer transitions 0/1017 dead transitions. [2024-11-16 23:44:14,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1017 transitions, 2185 flow [2024-11-16 23:44:14,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-16 23:44:14,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9700509134471399 [2024-11-16 23:44:14,576 INFO L175 Difference]: Start difference. First operand has 983 places, 1016 transitions, 2129 flow. Second operand 3 states and 3239 transitions. [2024-11-16 23:44:14,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1017 transitions, 2185 flow [2024-11-16 23:44:14,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 1017 transitions, 2176 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:14,594 INFO L231 Difference]: Finished difference. Result has 983 places, 1015 transitions, 2124 flow [2024-11-16 23:44:14,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1015, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1012, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=983, PETRI_TRANSITIONS=1015} [2024-11-16 23:44:14,596 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -59 predicate places. [2024-11-16 23:44:14,596 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 1015 transitions, 2124 flow [2024-11-16 23:44:14,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.0) internal successors, (3222), 3 states have internal predecessors, (3222), 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) [2024-11-16 23:44:14,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:14,598 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:14,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 23:44:14,598 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err34ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:14,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:14,599 INFO L85 PathProgramCache]: Analyzing trace with hash 299700168, now seen corresponding path program 1 times [2024-11-16 23:44:14,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:14,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252818682] [2024-11-16 23:44:14,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:14,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:14,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:14,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252818682] [2024-11-16 23:44:14,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252818682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:14,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:14,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:44:14,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286037314] [2024-11-16 23:44:14,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:14,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:14,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:14,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:14,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1079 out of 1113 [2024-11-16 23:44:14,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1015 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1081.3333333333333) internal successors, (3244), 3 states have internal predecessors, (3244), 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) [2024-11-16 23:44:14,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:14,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1079 of 1113 [2024-11-16 23:44:14,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:15,828 INFO L124 PetriNetUnfolderBase]: 215/4586 cut-off events. [2024-11-16 23:44:15,829 INFO L125 PetriNetUnfolderBase]: For 12/22 co-relation queries the response was YES. [2024-11-16 23:44:15,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4788 conditions, 4586 events. 215/4586 cut-off events. For 12/22 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 38400 event pairs, 4 based on Foata normal form. 1/3826 useless extension candidates. Maximal degree in co-relation 4034. Up to 33 conditions per place. [2024-11-16 23:44:16,017 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 18 selfloop transitions, 2 changer transitions 0/1021 dead transitions. [2024-11-16 23:44:16,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 985 places, 1021 transitions, 2181 flow [2024-11-16 23:44:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3258 transitions. [2024-11-16 23:44:16,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9757412398921833 [2024-11-16 23:44:16,020 INFO L175 Difference]: Start difference. First operand has 983 places, 1015 transitions, 2124 flow. Second operand 3 states and 3258 transitions. [2024-11-16 23:44:16,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 985 places, 1021 transitions, 2181 flow [2024-11-16 23:44:16,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 1021 transitions, 2175 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:16,034 INFO L231 Difference]: Finished difference. Result has 985 places, 1016 transitions, 2132 flow [2024-11-16 23:44:16,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1015, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=985, PETRI_TRANSITIONS=1016} [2024-11-16 23:44:16,035 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -57 predicate places. [2024-11-16 23:44:16,035 INFO L471 AbstractCegarLoop]: Abstraction has has 985 places, 1016 transitions, 2132 flow [2024-11-16 23:44:16,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1081.3333333333333) internal successors, (3244), 3 states have internal predecessors, (3244), 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) [2024-11-16 23:44:16,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:16,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:16,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 23:44:16,037 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err38ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:16,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:16,037 INFO L85 PathProgramCache]: Analyzing trace with hash 678052381, now seen corresponding path program 1 times [2024-11-16 23:44:16,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:16,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305686125] [2024-11-16 23:44:16,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:16,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:16,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305686125] [2024-11-16 23:44:16,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305686125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:16,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:16,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:16,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678517747] [2024-11-16 23:44:16,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:16,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:16,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:16,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:16,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:16,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1113 [2024-11-16 23:44:16,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 985 places, 1016 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1066.0) internal successors, (3198), 3 states have internal predecessors, (3198), 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) [2024-11-16 23:44:16,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:16,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1113 [2024-11-16 23:44:16,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:17,085 INFO L124 PetriNetUnfolderBase]: 255/4098 cut-off events. [2024-11-16 23:44:17,085 INFO L125 PetriNetUnfolderBase]: For 69/81 co-relation queries the response was YES. [2024-11-16 23:44:17,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4455 conditions, 4098 events. 255/4098 cut-off events. For 69/81 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 32943 event pairs, 42 based on Foata normal form. 3/3440 useless extension candidates. Maximal degree in co-relation 3682. Up to 142 conditions per place. [2024-11-16 23:44:17,273 INFO L140 encePairwiseOnDemand]: 1098/1113 looper letters, 16 selfloop transitions, 8 changer transitions 14/1016 dead transitions. [2024-11-16 23:44:17,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 981 places, 1016 transitions, 2190 flow [2024-11-16 23:44:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-16 23:44:17,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.966157532195268 [2024-11-16 23:44:17,277 INFO L175 Difference]: Start difference. First operand has 985 places, 1016 transitions, 2132 flow. Second operand 3 states and 3226 transitions. [2024-11-16 23:44:17,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 981 places, 1016 transitions, 2190 flow [2024-11-16 23:44:17,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 980 places, 1016 transitions, 2188 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:17,292 INFO L231 Difference]: Finished difference. Result has 981 places, 1000 transitions, 2125 flow [2024-11-16 23:44:17,292 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=978, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1002, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2125, PETRI_PLACES=981, PETRI_TRANSITIONS=1000} [2024-11-16 23:44:17,294 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -61 predicate places. [2024-11-16 23:44:17,294 INFO L471 AbstractCegarLoop]: Abstraction has has 981 places, 1000 transitions, 2125 flow [2024-11-16 23:44:17,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1066.0) internal successors, (3198), 3 states have internal predecessors, (3198), 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) [2024-11-16 23:44:17,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:17,295 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] [2024-11-16 23:44:17,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 23:44:17,295 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err34ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:17,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2058837339, now seen corresponding path program 1 times [2024-11-16 23:44:17,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:17,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092109873] [2024-11-16 23:44:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:17,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:17,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092109873] [2024-11-16 23:44:17,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092109873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:17,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:17,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:17,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942730805] [2024-11-16 23:44:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:17,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:17,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:17,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:17,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:17,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1058 out of 1113 [2024-11-16 23:44:17,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 981 places, 1000 transitions, 2125 flow. Second operand has 3 states, 3 states have (on average 1059.6666666666667) internal successors, (3179), 3 states have internal predecessors, (3179), 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) [2024-11-16 23:44:17,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:17,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1058 of 1113 [2024-11-16 23:44:17,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:19,578 INFO L124 PetriNetUnfolderBase]: 488/9045 cut-off events. [2024-11-16 23:44:19,578 INFO L125 PetriNetUnfolderBase]: For 80/116 co-relation queries the response was YES. [2024-11-16 23:44:19,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9908 conditions, 9045 events. 488/9045 cut-off events. For 80/116 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 83454 event pairs, 14 based on Foata normal form. 2/7653 useless extension candidates. Maximal degree in co-relation 9081. Up to 166 conditions per place. [2024-11-16 23:44:19,901 INFO L140 encePairwiseOnDemand]: 1096/1113 looper letters, 23 selfloop transitions, 9 changer transitions 0/998 dead transitions. [2024-11-16 23:44:19,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 998 transitions, 2187 flow [2024-11-16 23:44:19,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-16 23:44:19,904 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9625636418089248 [2024-11-16 23:44:19,904 INFO L175 Difference]: Start difference. First operand has 981 places, 1000 transitions, 2125 flow. Second operand 3 states and 3214 transitions. [2024-11-16 23:44:19,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 998 transitions, 2187 flow [2024-11-16 23:44:19,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 998 transitions, 2179 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:19,920 INFO L231 Difference]: Finished difference. Result has 962 places, 996 transitions, 2153 flow [2024-11-16 23:44:19,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2101, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=983, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2153, PETRI_PLACES=962, PETRI_TRANSITIONS=996} [2024-11-16 23:44:19,922 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -80 predicate places. [2024-11-16 23:44:19,922 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 996 transitions, 2153 flow [2024-11-16 23:44:19,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1059.6666666666667) internal successors, (3179), 3 states have internal predecessors, (3179), 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) [2024-11-16 23:44:19,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:19,923 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:19,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 23:44:19,923 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err33ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:19,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:19,923 INFO L85 PathProgramCache]: Analyzing trace with hash -896660581, now seen corresponding path program 1 times [2024-11-16 23:44:19,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:19,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137521569] [2024-11-16 23:44:19,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:19,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:19,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:19,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137521569] [2024-11-16 23:44:19,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137521569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:19,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:19,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:19,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689643261] [2024-11-16 23:44:19,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:19,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:19,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:19,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:19,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:20,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:44:20,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 996 transitions, 2153 flow. Second operand has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 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) [2024-11-16 23:44:20,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:20,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:44:20,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:21,879 INFO L124 PetriNetUnfolderBase]: 367/7059 cut-off events. [2024-11-16 23:44:21,879 INFO L125 PetriNetUnfolderBase]: For 166/204 co-relation queries the response was YES. [2024-11-16 23:44:22,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7781 conditions, 7059 events. 367/7059 cut-off events. For 166/204 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 68168 event pairs, 48 based on Foata normal form. 2/5985 useless extension candidates. Maximal degree in co-relation 6212. Up to 147 conditions per place. [2024-11-16 23:44:22,166 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 24 selfloop transitions, 3 changer transitions 0/997 dead transitions. [2024-11-16 23:44:22,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 963 places, 997 transitions, 2211 flow [2024-11-16 23:44:22,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3234 transitions. [2024-11-16 23:44:22,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685534591194969 [2024-11-16 23:44:22,169 INFO L175 Difference]: Start difference. First operand has 962 places, 996 transitions, 2153 flow. Second operand 3 states and 3234 transitions. [2024-11-16 23:44:22,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 963 places, 997 transitions, 2211 flow [2024-11-16 23:44:22,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 961 places, 997 transitions, 2193 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:22,183 INFO L231 Difference]: Finished difference. Result has 961 places, 995 transitions, 2139 flow [2024-11-16 23:44:22,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2133, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=992, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2139, PETRI_PLACES=961, PETRI_TRANSITIONS=995} [2024-11-16 23:44:22,184 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -81 predicate places. [2024-11-16 23:44:22,184 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 995 transitions, 2139 flow [2024-11-16 23:44:22,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 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) [2024-11-16 23:44:22,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:22,185 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:22,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 23:44:22,186 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err37ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:22,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:22,186 INFO L85 PathProgramCache]: Analyzing trace with hash 600462460, now seen corresponding path program 1 times [2024-11-16 23:44:22,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:22,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017948971] [2024-11-16 23:44:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:22,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:22,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017948971] [2024-11-16 23:44:22,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017948971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:22,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:22,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:22,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757923057] [2024-11-16 23:44:22,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:22,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:22,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:22,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:22,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1113 [2024-11-16 23:44:22,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 995 transitions, 2139 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-16 23:44:22,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:22,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1113 [2024-11-16 23:44:22,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:23,479 INFO L124 PetriNetUnfolderBase]: 259/4214 cut-off events. [2024-11-16 23:44:23,480 INFO L125 PetriNetUnfolderBase]: For 187/205 co-relation queries the response was YES. [2024-11-16 23:44:23,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4726 conditions, 4214 events. 259/4214 cut-off events. For 187/205 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 33715 event pairs, 60 based on Foata normal form. 1/3551 useless extension candidates. Maximal degree in co-relation 3940. Up to 212 conditions per place. [2024-11-16 23:44:23,613 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 20 selfloop transitions, 3 changer transitions 0/996 dead transitions. [2024-11-16 23:44:23,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 996 transitions, 2189 flow [2024-11-16 23:44:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3236 transitions. [2024-11-16 23:44:23,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9691524408505541 [2024-11-16 23:44:23,616 INFO L175 Difference]: Start difference. First operand has 961 places, 995 transitions, 2139 flow. Second operand 3 states and 3236 transitions. [2024-11-16 23:44:23,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 996 transitions, 2189 flow [2024-11-16 23:44:23,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 996 transitions, 2183 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:23,628 INFO L231 Difference]: Finished difference. Result has 960 places, 994 transitions, 2137 flow [2024-11-16 23:44:23,628 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2131, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2137, PETRI_PLACES=960, PETRI_TRANSITIONS=994} [2024-11-16 23:44:23,629 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -82 predicate places. [2024-11-16 23:44:23,629 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 994 transitions, 2137 flow [2024-11-16 23:44:23,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-16 23:44:23,630 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:23,630 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] [2024-11-16 23:44:23,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 23:44:23,630 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err34ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:23,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:23,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1131943766, now seen corresponding path program 1 times [2024-11-16 23:44:23,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:23,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601364998] [2024-11-16 23:44:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:23,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:23,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:23,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601364998] [2024-11-16 23:44:23,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601364998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:23,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:23,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:44:23,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676606477] [2024-11-16 23:44:23,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:23,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:23,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:23,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:23,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:23,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1079 out of 1113 [2024-11-16 23:44:23,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 994 transitions, 2137 flow. Second operand has 3 states, 3 states have (on average 1081.6666666666667) internal successors, (3245), 3 states have internal predecessors, (3245), 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) [2024-11-16 23:44:23,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:23,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1079 of 1113 [2024-11-16 23:44:23,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:25,541 INFO L124 PetriNetUnfolderBase]: 267/5702 cut-off events. [2024-11-16 23:44:25,541 INFO L125 PetriNetUnfolderBase]: For 34/90 co-relation queries the response was YES. [2024-11-16 23:44:25,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6130 conditions, 5702 events. 267/5702 cut-off events. For 34/90 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 50665 event pairs, 8 based on Foata normal form. 0/4818 useless extension candidates. Maximal degree in co-relation 4951. Up to 89 conditions per place. [2024-11-16 23:44:25,900 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 15 selfloop transitions, 2 changer transitions 0/998 dead transitions. [2024-11-16 23:44:25,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 998 transitions, 2182 flow [2024-11-16 23:44:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3255 transitions. [2024-11-16 23:44:25,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9748427672955975 [2024-11-16 23:44:25,903 INFO L175 Difference]: Start difference. First operand has 960 places, 994 transitions, 2137 flow. Second operand 3 states and 3255 transitions. [2024-11-16 23:44:25,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 998 transitions, 2182 flow [2024-11-16 23:44:25,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 998 transitions, 2176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:25,918 INFO L231 Difference]: Finished difference. Result has 962 places, 995 transitions, 2145 flow [2024-11-16 23:44:25,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2131, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=992, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2145, PETRI_PLACES=962, PETRI_TRANSITIONS=995} [2024-11-16 23:44:25,919 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -80 predicate places. [2024-11-16 23:44:25,920 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 995 transitions, 2145 flow [2024-11-16 23:44:25,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1081.6666666666667) internal successors, (3245), 3 states have internal predecessors, (3245), 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) [2024-11-16 23:44:25,920 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:25,921 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:25,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 23:44:25,921 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err34ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:25,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash 815852967, now seen corresponding path program 1 times [2024-11-16 23:44:25,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:25,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224717354] [2024-11-16 23:44:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:25,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:25,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:25,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224717354] [2024-11-16 23:44:25,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224717354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:25,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:25,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:25,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364023948] [2024-11-16 23:44:25,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:25,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:25,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:25,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:25,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:26,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1058 out of 1113 [2024-11-16 23:44:26,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 995 transitions, 2145 flow. Second operand has 3 states, 3 states have (on average 1060.0) internal successors, (3180), 3 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:26,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:26,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1058 of 1113 [2024-11-16 23:44:26,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:29,469 INFO L124 PetriNetUnfolderBase]: 615/10264 cut-off events. [2024-11-16 23:44:29,469 INFO L125 PetriNetUnfolderBase]: For 84/240 co-relation queries the response was YES. [2024-11-16 23:44:30,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11347 conditions, 10264 events. 615/10264 cut-off events. For 84/240 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 105793 event pairs, 27 based on Foata normal form. 0/8713 useless extension candidates. Maximal degree in co-relation 9705. Up to 328 conditions per place. [2024-11-16 23:44:30,216 INFO L140 encePairwiseOnDemand]: 1096/1113 looper letters, 23 selfloop transitions, 9 changer transitions 0/993 dead transitions. [2024-11-16 23:44:30,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 956 places, 993 transitions, 2207 flow [2024-11-16 23:44:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-16 23:44:30,220 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9625636418089248 [2024-11-16 23:44:30,220 INFO L175 Difference]: Start difference. First operand has 962 places, 995 transitions, 2145 flow. Second operand 3 states and 3214 transitions. [2024-11-16 23:44:30,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 956 places, 993 transitions, 2207 flow [2024-11-16 23:44:30,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 955 places, 993 transitions, 2205 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:30,235 INFO L231 Difference]: Finished difference. Result has 957 places, 991 transitions, 2179 flow [2024-11-16 23:44:30,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2127, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=987, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2179, PETRI_PLACES=957, PETRI_TRANSITIONS=991} [2024-11-16 23:44:30,236 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -85 predicate places. [2024-11-16 23:44:30,236 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 991 transitions, 2179 flow [2024-11-16 23:44:30,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1060.0) internal successors, (3180), 3 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:30,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:30,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:30,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 23:44:30,237 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread2Err33ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:30,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:30,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1975574034, now seen corresponding path program 1 times [2024-11-16 23:44:30,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:30,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658450789] [2024-11-16 23:44:30,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:30,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:30,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:30,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658450789] [2024-11-16 23:44:30,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658450789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:30,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:30,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:30,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961439452] [2024-11-16 23:44:30,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:30,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:30,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:30,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:30,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:30,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:44:30,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 991 transitions, 2179 flow. Second operand has 3 states, 3 states have (on average 1072.3333333333333) internal successors, (3217), 3 states have internal predecessors, (3217), 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) [2024-11-16 23:44:30,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:30,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:44:30,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:33,579 INFO L124 PetriNetUnfolderBase]: 484/8695 cut-off events. [2024-11-16 23:44:33,579 INFO L125 PetriNetUnfolderBase]: For 386/637 co-relation queries the response was YES. [2024-11-16 23:44:33,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9794 conditions, 8695 events. 484/8695 cut-off events. For 386/637 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 92588 event pairs, 59 based on Foata normal form. 0/7388 useless extension candidates. Maximal degree in co-relation 7687. Up to 284 conditions per place. [2024-11-16 23:44:34,058 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 24 selfloop transitions, 3 changer transitions 0/992 dead transitions. [2024-11-16 23:44:34,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 992 transitions, 2237 flow [2024-11-16 23:44:34,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3234 transitions. [2024-11-16 23:44:34,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685534591194969 [2024-11-16 23:44:34,060 INFO L175 Difference]: Start difference. First operand has 957 places, 991 transitions, 2179 flow. Second operand 3 states and 3234 transitions. [2024-11-16 23:44:34,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 992 transitions, 2237 flow [2024-11-16 23:44:34,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 956 places, 992 transitions, 2219 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:34,073 INFO L231 Difference]: Finished difference. Result has 956 places, 990 transitions, 2165 flow [2024-11-16 23:44:34,074 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2159, PETRI_DIFFERENCE_MINUEND_PLACES=954, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=990, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=987, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2165, PETRI_PLACES=956, PETRI_TRANSITIONS=990} [2024-11-16 23:44:34,074 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -86 predicate places. [2024-11-16 23:44:34,074 INFO L471 AbstractCegarLoop]: Abstraction has has 956 places, 990 transitions, 2165 flow [2024-11-16 23:44:34,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.3333333333333) internal successors, (3217), 3 states have internal predecessors, (3217), 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) [2024-11-16 23:44:34,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:34,075 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] [2024-11-16 23:44:34,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-16 23:44:34,075 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:34,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:34,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1093578373, now seen corresponding path program 1 times [2024-11-16 23:44:34,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:34,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712177828] [2024-11-16 23:44:34,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:34,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:34,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:34,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712177828] [2024-11-16 23:44:34,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712177828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:34,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:34,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:34,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521461500] [2024-11-16 23:44:34,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:34,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:34,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:34,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:34,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:34,146 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1113 [2024-11-16 23:44:34,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 956 places, 990 transitions, 2165 flow. Second operand has 3 states, 3 states have (on average 1073.6666666666667) internal successors, (3221), 3 states have internal predecessors, (3221), 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) [2024-11-16 23:44:34,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:34,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1113 [2024-11-16 23:44:34,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:35,880 INFO L124 PetriNetUnfolderBase]: 263/5242 cut-off events. [2024-11-16 23:44:35,880 INFO L125 PetriNetUnfolderBase]: For 12/84 co-relation queries the response was YES. [2024-11-16 23:44:36,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5875 conditions, 5242 events. 263/5242 cut-off events. For 12/84 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 48405 event pairs, 6 based on Foata normal form. 2/4549 useless extension candidates. Maximal degree in co-relation 4567. Up to 106 conditions per place. [2024-11-16 23:44:36,198 INFO L140 encePairwiseOnDemand]: 1106/1113 looper letters, 15 selfloop transitions, 3 changer transitions 0/988 dead transitions. [2024-11-16 23:44:36,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 988 transitions, 2199 flow [2024-11-16 23:44:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3238 transitions. [2024-11-16 23:44:36,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697514225816113 [2024-11-16 23:44:36,200 INFO L175 Difference]: Start difference. First operand has 956 places, 990 transitions, 2165 flow. Second operand 3 states and 3238 transitions. [2024-11-16 23:44:36,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 988 transitions, 2199 flow [2024-11-16 23:44:36,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 988 transitions, 2193 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:36,209 INFO L231 Difference]: Finished difference. Result has 952 places, 986 transitions, 2157 flow [2024-11-16 23:44:36,210 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2151, PETRI_DIFFERENCE_MINUEND_PLACES=950, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=986, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=983, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2157, PETRI_PLACES=952, PETRI_TRANSITIONS=986} [2024-11-16 23:44:36,210 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -90 predicate places. [2024-11-16 23:44:36,210 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 986 transitions, 2157 flow [2024-11-16 23:44:36,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.6666666666667) internal successors, (3221), 3 states have internal predecessors, (3221), 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) [2024-11-16 23:44:36,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:36,211 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] [2024-11-16 23:44:36,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-16 23:44:36,211 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting thread3Err34ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:36,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:36,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2049829880, now seen corresponding path program 1 times [2024-11-16 23:44:36,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:36,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934654017] [2024-11-16 23:44:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:36,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:36,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:36,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934654017] [2024-11-16 23:44:36,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934654017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:36,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:36,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:44:36,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011211171] [2024-11-16 23:44:36,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:36,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:36,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:36,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:36,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:36,293 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1079 out of 1113 [2024-11-16 23:44:36,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 986 transitions, 2157 flow. Second operand has 3 states, 3 states have (on average 1082.0) internal successors, (3246), 3 states have internal predecessors, (3246), 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) [2024-11-16 23:44:36,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:36,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1079 of 1113 [2024-11-16 23:44:36,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:39,074 INFO L124 PetriNetUnfolderBase]: 386/8362 cut-off events. [2024-11-16 23:44:39,074 INFO L125 PetriNetUnfolderBase]: For 33/69 co-relation queries the response was YES. [2024-11-16 23:44:39,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8953 conditions, 8362 events. 386/8362 cut-off events. For 33/69 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 76352 event pairs, 24 based on Foata normal form. 2/7042 useless extension candidates. Maximal degree in co-relation 7529. Up to 175 conditions per place. [2024-11-16 23:44:39,632 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 14 selfloop transitions, 2 changer transitions 0/989 dead transitions. [2024-11-16 23:44:39,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 989 transitions, 2197 flow [2024-11-16 23:44:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3254 transitions. [2024-11-16 23:44:39,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9745432764300689 [2024-11-16 23:44:39,634 INFO L175 Difference]: Start difference. First operand has 952 places, 986 transitions, 2157 flow. Second operand 3 states and 3254 transitions. [2024-11-16 23:44:39,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 989 transitions, 2197 flow [2024-11-16 23:44:39,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 989 transitions, 2191 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:39,644 INFO L231 Difference]: Finished difference. Result has 954 places, 987 transitions, 2165 flow [2024-11-16 23:44:39,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2151, PETRI_DIFFERENCE_MINUEND_PLACES=950, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=986, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=984, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2165, PETRI_PLACES=954, PETRI_TRANSITIONS=987} [2024-11-16 23:44:39,645 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -88 predicate places. [2024-11-16 23:44:39,645 INFO L471 AbstractCegarLoop]: Abstraction has has 954 places, 987 transitions, 2165 flow [2024-11-16 23:44:39,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1082.0) internal successors, (3246), 3 states have internal predecessors, (3246), 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) [2024-11-16 23:44:39,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:39,646 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] [2024-11-16 23:44:39,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-16 23:44:39,646 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting thread3Err34ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:39,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:39,647 INFO L85 PathProgramCache]: Analyzing trace with hash -804398043, now seen corresponding path program 1 times [2024-11-16 23:44:39,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:39,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701166260] [2024-11-16 23:44:39,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:39,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:39,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:39,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701166260] [2024-11-16 23:44:39,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701166260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:39,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:39,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:39,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837288902] [2024-11-16 23:44:39,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:39,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:39,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:39,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:39,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:39,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1058 out of 1113 [2024-11-16 23:44:39,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 954 places, 987 transitions, 2165 flow. Second operand has 3 states, 3 states have (on average 1060.3333333333333) internal successors, (3181), 3 states have internal predecessors, (3181), 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) [2024-11-16 23:44:39,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:39,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1058 of 1113 [2024-11-16 23:44:39,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:43,397 INFO L124 PetriNetUnfolderBase]: 702/10385 cut-off events. [2024-11-16 23:44:43,398 INFO L125 PetriNetUnfolderBase]: For 325/392 co-relation queries the response was YES. [2024-11-16 23:44:43,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11900 conditions, 10385 events. 702/10385 cut-off events. For 325/392 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 116109 event pairs, 54 based on Foata normal form. 2/8872 useless extension candidates. Maximal degree in co-relation 10304. Up to 682 conditions per place. [2024-11-16 23:44:44,135 INFO L140 encePairwiseOnDemand]: 1096/1113 looper letters, 23 selfloop transitions, 9 changer transitions 0/985 dead transitions. [2024-11-16 23:44:44,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 985 transitions, 2227 flow [2024-11-16 23:44:44,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:44,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-16 23:44:44,138 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9625636418089248 [2024-11-16 23:44:44,138 INFO L175 Difference]: Start difference. First operand has 954 places, 987 transitions, 2165 flow. Second operand 3 states and 3214 transitions. [2024-11-16 23:44:44,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 985 transitions, 2227 flow [2024-11-16 23:44:44,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 985 transitions, 2225 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:44,153 INFO L231 Difference]: Finished difference. Result has 949 places, 983 transitions, 2199 flow [2024-11-16 23:44:44,154 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2147, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=979, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=970, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2199, PETRI_PLACES=949, PETRI_TRANSITIONS=983} [2024-11-16 23:44:44,154 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -93 predicate places. [2024-11-16 23:44:44,154 INFO L471 AbstractCegarLoop]: Abstraction has has 949 places, 983 transitions, 2199 flow [2024-11-16 23:44:44,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1060.3333333333333) internal successors, (3181), 3 states have internal predecessors, (3181), 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) [2024-11-16 23:44:44,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:44,155 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] [2024-11-16 23:44:44,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-16 23:44:44,156 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting thread3Err33ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:44,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash -663747515, now seen corresponding path program 1 times [2024-11-16 23:44:44,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:44,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557795601] [2024-11-16 23:44:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:44,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:44,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557795601] [2024-11-16 23:44:44,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557795601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:44,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:44,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:44,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178150476] [2024-11-16 23:44:44,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:44,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:44,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:44,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:44,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:44,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1113 [2024-11-16 23:44:44,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 983 transitions, 2199 flow. Second operand has 3 states, 3 states have (on average 1072.6666666666667) internal successors, (3218), 3 states have internal predecessors, (3218), 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) [2024-11-16 23:44:44,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:44,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1113 [2024-11-16 23:44:44,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:47,520 INFO L124 PetriNetUnfolderBase]: 558/8127 cut-off events. [2024-11-16 23:44:47,521 INFO L125 PetriNetUnfolderBase]: For 895/978 co-relation queries the response was YES. [2024-11-16 23:44:48,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9865 conditions, 8127 events. 558/8127 cut-off events. For 895/978 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 89123 event pairs, 118 based on Foata normal form. 2/6994 useless extension candidates. Maximal degree in co-relation 8240. Up to 585 conditions per place. [2024-11-16 23:44:48,228 INFO L140 encePairwiseOnDemand]: 1110/1113 looper letters, 24 selfloop transitions, 3 changer transitions 0/984 dead transitions. [2024-11-16 23:44:48,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 950 places, 984 transitions, 2257 flow [2024-11-16 23:44:48,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3234 transitions. [2024-11-16 23:44:48,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685534591194969 [2024-11-16 23:44:48,230 INFO L175 Difference]: Start difference. First operand has 949 places, 983 transitions, 2199 flow. Second operand 3 states and 3234 transitions. [2024-11-16 23:44:48,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 950 places, 984 transitions, 2257 flow [2024-11-16 23:44:48,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 948 places, 984 transitions, 2239 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:48,243 INFO L231 Difference]: Finished difference. Result has 948 places, 982 transitions, 2185 flow [2024-11-16 23:44:48,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1113, PETRI_DIFFERENCE_MINUEND_FLOW=2179, PETRI_DIFFERENCE_MINUEND_PLACES=946, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=979, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2185, PETRI_PLACES=948, PETRI_TRANSITIONS=982} [2024-11-16 23:44:48,244 INFO L277 CegarLoopForPetriNet]: 1042 programPoint places, -94 predicate places. [2024-11-16 23:44:48,244 INFO L471 AbstractCegarLoop]: Abstraction has has 948 places, 982 transitions, 2185 flow [2024-11-16 23:44:48,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.6666666666667) internal successors, (3218), 3 states have internal predecessors, (3218), 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) [2024-11-16 23:44:48,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:48,245 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] [2024-11-16 23:44:48,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-16 23:44:48,245 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting thread2Err32ASSERT_VIOLATIONDATA_RACE === [thread1Err42ASSERT_VIOLATIONDATA_RACE, thread1Err41ASSERT_VIOLATIONDATA_RACE, thread1Err40ASSERT_VIOLATIONDATA_RACE, thread1Err39ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-16 23:44:48,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:48,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1070454136, now seen corresponding path program 1 times [2024-11-16 23:44:48,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:48,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274720283] [2024-11-16 23:44:48,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:48,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:48,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:48,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274720283] [2024-11-16 23:44:48,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274720283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:48,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:48,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:48,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802653228] [2024-11-16 23:44:48,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:48,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:48,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:48,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:48,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:48,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1113 [2024-11-16 23:44:48,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 948 places, 982 transitions, 2185 flow. Second operand has 3 states, 3 states have (on average 1074.0) internal successors, (3222), 3 states have internal predecessors, (3222), 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) [2024-11-16 23:44:48,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:48,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1113 [2024-11-16 23:44:48,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand