./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/array-eq-symm.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/array-eq-symm.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 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:42:21,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:42:21,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:42:21,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:42:21,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:42:21,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:42:21,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:42:21,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:42:21,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:42:21,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:42:21,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:42:21,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:42:21,362 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:42:21,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:42:21,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:42:21,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:42:21,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:42:21,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:42:21,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:42:21,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:42:21,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:42:21,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:42:21,370 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:42:21,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:42:21,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:42:21,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:42:21,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:42:21,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:42:21,372 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:42:21,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:42:21,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:42:21,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:21,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:42:21,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:42:21,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:42:21,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:42:21,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:42:21,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:42:21,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:42:21,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:42:21,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:42:21,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d [2024-11-16 23:42:21,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:42:21,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:42:21,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:42:21,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:42:21,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:42:21,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2024-11-16 23:42:23,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:42:23,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:42:23,273 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2024-11-16 23:42:23,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef08eb357/06c9f793ab4542788d0ac863a98b99f5/FLAG0a5f6f4a5 [2024-11-16 23:42:23,692 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef08eb357/06c9f793ab4542788d0ac863a98b99f5 [2024-11-16 23:42:23,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:42:23,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:42:23,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:23,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:42:23,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:42:23,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:23,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d62237d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23, skipping insertion in model container [2024-11-16 23:42:23,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:23,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:42:23,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:23,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:42:23,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:23,979 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:42:23,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23 WrapperNode [2024-11-16 23:42:23,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:23,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:23,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:42:23,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:42:23,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:23,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,020 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 143 [2024-11-16 23:42:24,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:24,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:42:24,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:42:24,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:42:24,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:42:24,079 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:42:24,079 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:42:24,079 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:42:24,079 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (1/1) ... [2024-11-16 23:42:24,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:24,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:24,118 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 23:42:24,124 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 23:42:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:42:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:42:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:42:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:42:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:42:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:42:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:42:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:42:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:42:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:42:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:42:24,169 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 23:42:24,275 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:42:24,277 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:42:24,597 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:42:24,598 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:42:24,622 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:42:24,623 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:42:24,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:24 BoogieIcfgContainer [2024-11-16 23:42:24,623 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:42:24,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:42:24,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:42:24,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:42:24,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:42:23" (1/3) ... [2024-11-16 23:42:24,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c73f5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:24, skipping insertion in model container [2024-11-16 23:42:24,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:23" (2/3) ... [2024-11-16 23:42:24,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c73f5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:24, skipping insertion in model container [2024-11-16 23:42:24,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:24" (3/3) ... [2024-11-16 23:42:24,630 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.c [2024-11-16 23:42:24,643 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:42:24,643 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-16 23:42:24,644 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:42:24,742 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:42:24,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 322 transitions, 658 flow [2024-11-16 23:42:24,871 INFO L124 PetriNetUnfolderBase]: 17/320 cut-off events. [2024-11-16 23:42:24,872 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:42:24,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 17/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 573 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 228. Up to 3 conditions per place. [2024-11-16 23:42:24,886 INFO L82 GeneralOperation]: Start removeDead. Operand has 312 places, 322 transitions, 658 flow [2024-11-16 23:42:24,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 294 places, 303 transitions, 618 flow [2024-11-16 23:42:24,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:42:24,923 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;@52c61831, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:42:24,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-16 23:42:24,934 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:42:24,935 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-16 23:42:24,935 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:42:24,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:24,936 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] [2024-11-16 23:42:24,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:24,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:24,945 INFO L85 PathProgramCache]: Analyzing trace with hash -2027366899, now seen corresponding path program 1 times [2024-11-16 23:42:24,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:24,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116232240] [2024-11-16 23:42:24,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:24,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:25,193 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 23:42:25,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:25,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116232240] [2024-11-16 23:42:25,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116232240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:25,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:25,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:25,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308042816] [2024-11-16 23:42:25,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:25,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:25,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:25,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:25,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:25,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-16 23:42:25,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 303 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 23:42:25,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:25,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-16 23:42:25,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:25,417 INFO L124 PetriNetUnfolderBase]: 17/430 cut-off events. [2024-11-16 23:42:25,417 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-16 23:42:25,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 430 events. 17/430 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1225 event pairs, 3 based on Foata normal form. 14/368 useless extension candidates. Maximal degree in co-relation 287. Up to 19 conditions per place. [2024-11-16 23:42:25,424 INFO L140 encePairwiseOnDemand]: 311/322 looper letters, 10 selfloop transitions, 2 changer transitions 4/294 dead transitions. [2024-11-16 23:42:25,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 294 transitions, 624 flow [2024-11-16 23:42:25,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:25,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 915 transitions. [2024-11-16 23:42:25,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472049689440993 [2024-11-16 23:42:25,443 INFO L175 Difference]: Start difference. First operand has 294 places, 303 transitions, 618 flow. Second operand 3 states and 915 transitions. [2024-11-16 23:42:25,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 294 transitions, 624 flow [2024-11-16 23:42:25,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 294 transitions, 616 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:42:25,453 INFO L231 Difference]: Finished difference. Result has 291 places, 290 transitions, 588 flow [2024-11-16 23:42:25,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=291, PETRI_TRANSITIONS=290} [2024-11-16 23:42:25,457 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -3 predicate places. [2024-11-16 23:42:25,459 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 290 transitions, 588 flow [2024-11-16 23:42:25,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 23:42:25,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:25,460 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] [2024-11-16 23:42:25,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:42:25,461 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:25,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:25,462 INFO L85 PathProgramCache]: Analyzing trace with hash -262228875, now seen corresponding path program 1 times [2024-11-16 23:42:25,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:25,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761606280] [2024-11-16 23:42:25,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:25,505 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 23:42:25,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:25,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761606280] [2024-11-16 23:42:25,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761606280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:25,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:25,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:25,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83229420] [2024-11-16 23:42:25,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:25,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:25,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:25,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:25,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:25,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-16 23:42:25,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 290 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 23:42:25,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:25,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-16 23:42:25,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:25,577 INFO L124 PetriNetUnfolderBase]: 17/427 cut-off events. [2024-11-16 23:42:25,577 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-16 23:42:25,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 427 events. 17/427 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1172 event pairs, 3 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 424. Up to 18 conditions per place. [2024-11-16 23:42:25,580 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 10 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-16 23:42:25,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 289 transitions, 610 flow [2024-11-16 23:42:25,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2024-11-16 23:42:25,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9389233954451346 [2024-11-16 23:42:25,583 INFO L175 Difference]: Start difference. First operand has 291 places, 290 transitions, 588 flow. Second operand 3 states and 907 transitions. [2024-11-16 23:42:25,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 289 transitions, 610 flow [2024-11-16 23:42:25,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:25,590 INFO L231 Difference]: Finished difference. Result has 286 places, 289 transitions, 586 flow [2024-11-16 23:42:25,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=286, PETRI_TRANSITIONS=289} [2024-11-16 23:42:25,592 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -8 predicate places. [2024-11-16 23:42:25,592 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 289 transitions, 586 flow [2024-11-16 23:42:25,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 23:42:25,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:25,593 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] [2024-11-16 23:42:25,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:42:25,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:25,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:25,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2129593555, now seen corresponding path program 1 times [2024-11-16 23:42:25,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:25,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636517164] [2024-11-16 23:42:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:25,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:25,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:25,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636517164] [2024-11-16 23:42:25,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636517164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:25,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:25,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:25,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973208364] [2024-11-16 23:42:25,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:25,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:25,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:25,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-16 23:42:25,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 289 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 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 23:42:25,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:25,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-16 23:42:25,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:25,719 INFO L124 PetriNetUnfolderBase]: 33/619 cut-off events. [2024-11-16 23:42:25,720 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:42:25,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 619 events. 33/619 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2353 event pairs, 8 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 624. Up to 33 conditions per place. [2024-11-16 23:42:25,724 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 1 changer transitions 0/286 dead transitions. [2024-11-16 23:42:25,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 286 transitions, 602 flow [2024-11-16 23:42:25,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-16 23:42:25,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399585921325052 [2024-11-16 23:42:25,727 INFO L175 Difference]: Start difference. First operand has 286 places, 289 transitions, 586 flow. Second operand 3 states and 908 transitions. [2024-11-16 23:42:25,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 286 transitions, 602 flow [2024-11-16 23:42:25,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 286 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:25,746 INFO L231 Difference]: Finished difference. Result has 283 places, 286 transitions, 578 flow [2024-11-16 23:42:25,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=283, PETRI_TRANSITIONS=286} [2024-11-16 23:42:25,748 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-16 23:42:25,748 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 286 transitions, 578 flow [2024-11-16 23:42:25,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 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 23:42:25,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:25,750 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 23:42:25,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:42:25,750 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:25,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:25,751 INFO L85 PathProgramCache]: Analyzing trace with hash 849199055, now seen corresponding path program 1 times [2024-11-16 23:42:25,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:25,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52469986] [2024-11-16 23:42:25,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:25,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:25,837 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 23:42:25,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:25,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52469986] [2024-11-16 23:42:25,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52469986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:25,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:25,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:25,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420245321] [2024-11-16 23:42:25,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:25,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:25,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:25,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:25,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:25,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 322 [2024-11-16 23:42:25,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 286 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 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 23:42:25,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:25,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 322 [2024-11-16 23:42:25,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:25,892 INFO L124 PetriNetUnfolderBase]: 14/357 cut-off events. [2024-11-16 23:42:25,892 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-16 23:42:25,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 357 events. 14/357 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 861 event pairs, 3 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 343. Up to 16 conditions per place. [2024-11-16 23:42:25,894 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 9 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-16 23:42:25,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 285 transitions, 598 flow [2024-11-16 23:42:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2024-11-16 23:42:25,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9409937888198758 [2024-11-16 23:42:25,898 INFO L175 Difference]: Start difference. First operand has 283 places, 286 transitions, 578 flow. Second operand 3 states and 909 transitions. [2024-11-16 23:42:25,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 285 transitions, 598 flow [2024-11-16 23:42:25,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 285 transitions, 597 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:25,901 INFO L231 Difference]: Finished difference. Result has 283 places, 285 transitions, 579 flow [2024-11-16 23:42:25,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=283, PETRI_TRANSITIONS=285} [2024-11-16 23:42:25,903 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-16 23:42:25,903 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 285 transitions, 579 flow [2024-11-16 23:42:25,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 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 23:42:25,904 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:25,904 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 23:42:25,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:42:25,904 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:25,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:25,905 INFO L85 PathProgramCache]: Analyzing trace with hash 249893491, now seen corresponding path program 1 times [2024-11-16 23:42:25,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:25,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003839773] [2024-11-16 23:42:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:25,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:26,407 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 23:42:26,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:26,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003839773] [2024-11-16 23:42:26,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003839773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:26,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:26,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:26,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009427374] [2024-11-16 23:42:26,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:26,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:26,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:26,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:26,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:26,603 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 322 [2024-11-16 23:42:26,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 285 transitions, 579 flow. Second operand has 6 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 0 states have call successors, (0), 0 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 23:42:26,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:26,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 322 [2024-11-16 23:42:26,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:26,774 INFO L124 PetriNetUnfolderBase]: 146/1250 cut-off events. [2024-11-16 23:42:26,775 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-11-16 23:42:26,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1499 conditions, 1250 events. 146/1250 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7443 event pairs, 80 based on Foata normal form. 0/1007 useless extension candidates. Maximal degree in co-relation 1462. Up to 224 conditions per place. [2024-11-16 23:42:26,783 INFO L140 encePairwiseOnDemand]: 310/322 looper letters, 36 selfloop transitions, 10 changer transitions 0/283 dead transitions. [2024-11-16 23:42:26,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 283 transitions, 667 flow [2024-11-16 23:42:26,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1632 transitions. [2024-11-16 23:42:26,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84472049689441 [2024-11-16 23:42:26,787 INFO L175 Difference]: Start difference. First operand has 283 places, 285 transitions, 579 flow. Second operand 6 states and 1632 transitions. [2024-11-16 23:42:26,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 283 transitions, 667 flow [2024-11-16 23:42:26,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 283 transitions, 663 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:26,791 INFO L231 Difference]: Finished difference. Result has 284 places, 283 transitions, 591 flow [2024-11-16 23:42:26,792 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=591, PETRI_PLACES=284, PETRI_TRANSITIONS=283} [2024-11-16 23:42:26,792 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -10 predicate places. [2024-11-16 23:42:26,792 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 283 transitions, 591 flow [2024-11-16 23:42:26,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 0 states have call successors, (0), 0 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 23:42:26,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:26,793 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:26,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:42:26,794 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:26,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:26,794 INFO L85 PathProgramCache]: Analyzing trace with hash 736726078, now seen corresponding path program 1 times [2024-11-16 23:42:26,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:26,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204301866] [2024-11-16 23:42:26,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:26,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:26,821 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 23:42:26,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204301866] [2024-11-16 23:42:26,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204301866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:26,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:26,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:26,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789651021] [2024-11-16 23:42:26,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:26,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:26,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:26,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:26,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:26,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 322 [2024-11-16 23:42:26,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 283 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 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 23:42:26,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:26,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 322 [2024-11-16 23:42:26,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:26,912 INFO L124 PetriNetUnfolderBase]: 35/612 cut-off events. [2024-11-16 23:42:26,912 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-16 23:42:26,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 612 events. 35/612 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2478 event pairs, 8 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 632. Up to 34 conditions per place. [2024-11-16 23:42:26,919 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 1 changer transitions 0/280 dead transitions. [2024-11-16 23:42:26,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 280 transitions, 607 flow [2024-11-16 23:42:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-16 23:42:26,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399585921325052 [2024-11-16 23:42:26,921 INFO L175 Difference]: Start difference. First operand has 284 places, 283 transitions, 591 flow. Second operand 3 states and 908 transitions. [2024-11-16 23:42:26,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 280 transitions, 607 flow [2024-11-16 23:42:26,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 280 transitions, 587 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:26,925 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 567 flow [2024-11-16 23:42:26,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-11-16 23:42:26,925 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -16 predicate places. [2024-11-16 23:42:26,926 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 567 flow [2024-11-16 23:42:26,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 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 23:42:26,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:26,926 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] [2024-11-16 23:42:26,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:42:26,927 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:26,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash -174466386, now seen corresponding path program 1 times [2024-11-16 23:42:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:26,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405581067] [2024-11-16 23:42:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:26,963 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 23:42:26,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:26,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405581067] [2024-11-16 23:42:26,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405581067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:26,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:26,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:26,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992768215] [2024-11-16 23:42:26,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:26,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:26,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:26,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:26,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:27,018 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 322 [2024-11-16 23:42:27,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 567 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 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 23:42:27,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 322 [2024-11-16 23:42:27,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:27,050 INFO L124 PetriNetUnfolderBase]: 14/350 cut-off events. [2024-11-16 23:42:27,050 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-16 23:42:27,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 350 events. 14/350 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 751 event pairs, 3 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 337. Up to 16 conditions per place. [2024-11-16 23:42:27,052 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 9 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-11-16 23:42:27,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 279 transitions, 587 flow [2024-11-16 23:42:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2024-11-16 23:42:27,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9409937888198758 [2024-11-16 23:42:27,054 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 567 flow. Second operand 3 states and 909 transitions. [2024-11-16 23:42:27,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 279 transitions, 587 flow [2024-11-16 23:42:27,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 279 transitions, 586 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:27,061 INFO L231 Difference]: Finished difference. Result has 278 places, 279 transitions, 568 flow [2024-11-16 23:42:27,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=278, PETRI_TRANSITIONS=279} [2024-11-16 23:42:27,062 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -16 predicate places. [2024-11-16 23:42:27,062 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 279 transitions, 568 flow [2024-11-16 23:42:27,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 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 23:42:27,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:27,063 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] [2024-11-16 23:42:27,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:42:27,063 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:27,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:27,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1220507271, now seen corresponding path program 1 times [2024-11-16 23:42:27,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:27,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752720567] [2024-11-16 23:42:27,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:27,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:27,119 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 23:42:27,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:27,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752720567] [2024-11-16 23:42:27,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752720567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:27,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:27,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:27,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693948280] [2024-11-16 23:42:27,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:27,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:27,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:27,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:27,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:27,161 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 322 [2024-11-16 23:42:27,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 279 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 23:42:27,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 322 [2024-11-16 23:42:27,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:27,204 INFO L124 PetriNetUnfolderBase]: 22/343 cut-off events. [2024-11-16 23:42:27,204 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:42:27,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 343 events. 22/343 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 873 event pairs, 1 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 366. Up to 35 conditions per place. [2024-11-16 23:42:27,206 INFO L140 encePairwiseOnDemand]: 314/322 looper letters, 16 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-11-16 23:42:27,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 274 transitions, 595 flow [2024-11-16 23:42:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-16 23:42:27,208 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.922360248447205 [2024-11-16 23:42:27,208 INFO L175 Difference]: Start difference. First operand has 278 places, 279 transitions, 568 flow. Second operand 3 states and 891 transitions. [2024-11-16 23:42:27,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 274 transitions, 595 flow [2024-11-16 23:42:27,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 274 transitions, 591 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:27,211 INFO L231 Difference]: Finished difference. Result has 272 places, 273 transitions, 556 flow [2024-11-16 23:42:27,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=272, PETRI_TRANSITIONS=273} [2024-11-16 23:42:27,213 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -22 predicate places. [2024-11-16 23:42:27,213 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 273 transitions, 556 flow [2024-11-16 23:42:27,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 23:42:27,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:27,214 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:27,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:42:27,215 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:27,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:27,215 INFO L85 PathProgramCache]: Analyzing trace with hash 745161929, now seen corresponding path program 1 times [2024-11-16 23:42:27,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:27,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411598680] [2024-11-16 23:42:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:27,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:27,269 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 23:42:27,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411598680] [2024-11-16 23:42:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411598680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:27,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:27,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:27,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153040398] [2024-11-16 23:42:27,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:27,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:27,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:27,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:27,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:27,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 322 [2024-11-16 23:42:27,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 273 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 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 23:42:27,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 322 [2024-11-16 23:42:27,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:27,347 INFO L124 PetriNetUnfolderBase]: 22/337 cut-off events. [2024-11-16 23:42:27,348 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-11-16 23:42:27,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 337 events. 22/337 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 878 event pairs, 9 based on Foata normal form. 1/311 useless extension candidates. Maximal degree in co-relation 348. Up to 33 conditions per place. [2024-11-16 23:42:27,349 INFO L140 encePairwiseOnDemand]: 314/322 looper letters, 13 selfloop transitions, 2 changer transitions 4/268 dead transitions. [2024-11-16 23:42:27,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 268 transitions, 581 flow [2024-11-16 23:42:27,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 890 transitions. [2024-11-16 23:42:27,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213250517598344 [2024-11-16 23:42:27,351 INFO L175 Difference]: Start difference. First operand has 272 places, 273 transitions, 556 flow. Second operand 3 states and 890 transitions. [2024-11-16 23:42:27,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 268 transitions, 581 flow [2024-11-16 23:42:27,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 268 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:27,354 INFO L231 Difference]: Finished difference. Result has 266 places, 263 transitions, 535 flow [2024-11-16 23:42:27,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=535, PETRI_PLACES=266, PETRI_TRANSITIONS=263} [2024-11-16 23:42:27,355 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -28 predicate places. [2024-11-16 23:42:27,355 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 263 transitions, 535 flow [2024-11-16 23:42:27,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 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 23:42:27,356 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:27,356 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] [2024-11-16 23:42:27,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:42:27,356 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:27,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:27,356 INFO L85 PathProgramCache]: Analyzing trace with hash -174139900, now seen corresponding path program 1 times [2024-11-16 23:42:27,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:27,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959609625] [2024-11-16 23:42:27,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:27,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:27,381 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 23:42:27,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:27,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959609625] [2024-11-16 23:42:27,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959609625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:27,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:27,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:42:27,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248487810] [2024-11-16 23:42:27,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:27,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:27,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:27,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:27,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:27,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 322 [2024-11-16 23:42:27,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 263 transitions, 535 flow. Second operand has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 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 23:42:27,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 322 [2024-11-16 23:42:27,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:27,420 INFO L124 PetriNetUnfolderBase]: 22/393 cut-off events. [2024-11-16 23:42:27,420 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:42:27,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 393 events. 22/393 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1026 event pairs, 6 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 405. Up to 23 conditions per place. [2024-11-16 23:42:27,422 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 3 changer transitions 0/265 dead transitions. [2024-11-16 23:42:27,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 265 transitions, 566 flow [2024-11-16 23:42:27,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:27,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2024-11-16 23:42:27,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461697722567288 [2024-11-16 23:42:27,424 INFO L175 Difference]: Start difference. First operand has 266 places, 263 transitions, 535 flow. Second operand 3 states and 914 transitions. [2024-11-16 23:42:27,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 265 transitions, 566 flow [2024-11-16 23:42:27,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 265 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:27,427 INFO L231 Difference]: Finished difference. Result has 264 places, 264 transitions, 549 flow [2024-11-16 23:42:27,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=264, PETRI_TRANSITIONS=264} [2024-11-16 23:42:27,428 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -30 predicate places. [2024-11-16 23:42:27,428 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 264 transitions, 549 flow [2024-11-16 23:42:27,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 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 23:42:27,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:27,429 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] [2024-11-16 23:42:27,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:42:27,429 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:27,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:27,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1466416635, now seen corresponding path program 1 times [2024-11-16 23:42:27,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:27,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698089084] [2024-11-16 23:42:27,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:27,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:27,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:27,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698089084] [2024-11-16 23:42:27,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698089084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:27,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:27,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:27,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161277559] [2024-11-16 23:42:27,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:27,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:27,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:27,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:27,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:27,468 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2024-11-16 23:42:27,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 264 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 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 23:42:27,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2024-11-16 23:42:27,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:27,514 INFO L124 PetriNetUnfolderBase]: 37/616 cut-off events. [2024-11-16 23:42:27,514 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-11-16 23:42:27,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 616 events. 37/616 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2198 event pairs, 2 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 656. Up to 32 conditions per place. [2024-11-16 23:42:27,517 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 2 changer transitions 0/266 dead transitions. [2024-11-16 23:42:27,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 266 transitions, 579 flow [2024-11-16 23:42:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-16 23:42:27,519 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2024-11-16 23:42:27,519 INFO L175 Difference]: Start difference. First operand has 264 places, 264 transitions, 549 flow. Second operand 3 states and 917 transitions. [2024-11-16 23:42:27,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 266 transitions, 579 flow [2024-11-16 23:42:27,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 266 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:27,523 INFO L231 Difference]: Finished difference. Result has 263 places, 264 transitions, 553 flow [2024-11-16 23:42:27,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=553, PETRI_PLACES=263, PETRI_TRANSITIONS=264} [2024-11-16 23:42:27,524 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -31 predicate places. [2024-11-16 23:42:27,524 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 264 transitions, 553 flow [2024-11-16 23:42:27,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 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 23:42:27,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:27,525 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:27,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:42:27,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:27,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:27,525 INFO L85 PathProgramCache]: Analyzing trace with hash 43307732, now seen corresponding path program 1 times [2024-11-16 23:42:27,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:27,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514373146] [2024-11-16 23:42:27,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:27,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:27,554 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 23:42:27,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:27,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514373146] [2024-11-16 23:42:27,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514373146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:27,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:27,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:42:27,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145843906] [2024-11-16 23:42:27,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:27,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:27,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:27,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:27,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:27,564 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 322 [2024-11-16 23:42:27,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 264 transitions, 553 flow. Second operand has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 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 23:42:27,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 322 [2024-11-16 23:42:27,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:27,602 INFO L124 PetriNetUnfolderBase]: 50/494 cut-off events. [2024-11-16 23:42:27,603 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-16 23:42:27,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 494 events. 50/494 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1510 event pairs, 11 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 567. Up to 58 conditions per place. [2024-11-16 23:42:27,606 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 9 selfloop transitions, 3 changer transitions 1/266 dead transitions. [2024-11-16 23:42:27,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 266 transitions, 584 flow [2024-11-16 23:42:27,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2024-11-16 23:42:27,608 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461697722567288 [2024-11-16 23:42:27,608 INFO L175 Difference]: Start difference. First operand has 263 places, 264 transitions, 553 flow. Second operand 3 states and 914 transitions. [2024-11-16 23:42:27,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 266 transitions, 584 flow [2024-11-16 23:42:27,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 266 transitions, 584 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:27,611 INFO L231 Difference]: Finished difference. Result has 267 places, 265 transitions, 571 flow [2024-11-16 23:42:27,612 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=267, PETRI_TRANSITIONS=265} [2024-11-16 23:42:27,612 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -27 predicate places. [2024-11-16 23:42:27,612 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 265 transitions, 571 flow [2024-11-16 23:42:27,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 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 23:42:27,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:27,613 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] [2024-11-16 23:42:27,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:42:27,613 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:27,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:27,614 INFO L85 PathProgramCache]: Analyzing trace with hash -658544968, now seen corresponding path program 1 times [2024-11-16 23:42:27,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:27,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379432656] [2024-11-16 23:42:27,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:27,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:27,642 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 23:42:27,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:27,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379432656] [2024-11-16 23:42:27,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379432656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:27,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:27,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:27,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266302012] [2024-11-16 23:42:27,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:27,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:27,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:27,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:27,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:27,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 322 [2024-11-16 23:42:27,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 265 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 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 23:42:27,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:27,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 322 [2024-11-16 23:42:27,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:27,722 INFO L124 PetriNetUnfolderBase]: 45/678 cut-off events. [2024-11-16 23:42:27,722 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-16 23:42:27,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 678 events. 45/678 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2657 event pairs, 3 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 773. Up to 38 conditions per place. [2024-11-16 23:42:27,726 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 10 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2024-11-16 23:42:27,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 267 transitions, 601 flow [2024-11-16 23:42:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-16 23:42:27,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2024-11-16 23:42:27,728 INFO L175 Difference]: Start difference. First operand has 267 places, 265 transitions, 571 flow. Second operand 3 states and 917 transitions. [2024-11-16 23:42:27,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 267 transitions, 601 flow [2024-11-16 23:42:27,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 267 transitions, 595 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:27,731 INFO L231 Difference]: Finished difference. Result has 266 places, 265 transitions, 575 flow [2024-11-16 23:42:27,731 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=266, PETRI_TRANSITIONS=265} [2024-11-16 23:42:27,732 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -28 predicate places. [2024-11-16 23:42:27,732 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 265 transitions, 575 flow [2024-11-16 23:42:27,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 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 23:42:27,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:27,733 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] [2024-11-16 23:42:27,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:42:27,733 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:27,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:27,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1344983703, now seen corresponding path program 1 times [2024-11-16 23:42:27,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:27,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141369170] [2024-11-16 23:42:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:27,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:27,885 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 23:42:27,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:27,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141369170] [2024-11-16 23:42:27,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141369170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:27,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:27,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:27,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828984731] [2024-11-16 23:42:27,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:27,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:27,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:27,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:27,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:28,164 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-16 23:42:28,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 265 transitions, 575 flow. Second operand has 8 states, 8 states have (on average 281.125) internal successors, (2249), 8 states have internal predecessors, (2249), 0 states have call successors, (0), 0 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 23:42:28,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:28,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-16 23:42:28,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:28,385 INFO L124 PetriNetUnfolderBase]: 64/1044 cut-off events. [2024-11-16 23:42:28,385 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-16 23:42:28,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1335 conditions, 1044 events. 64/1044 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4344 event pairs, 8 based on Foata normal form. 2/981 useless extension candidates. Maximal degree in co-relation 1292. Up to 35 conditions per place. [2024-11-16 23:42:28,391 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 48 selfloop transitions, 22 changer transitions 0/301 dead transitions. [2024-11-16 23:42:28,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 301 transitions, 811 flow [2024-11-16 23:42:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 23:42:28,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-16 23:42:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3685 transitions. [2024-11-16 23:42:28,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.880315336837076 [2024-11-16 23:42:28,397 INFO L175 Difference]: Start difference. First operand has 266 places, 265 transitions, 575 flow. Second operand 13 states and 3685 transitions. [2024-11-16 23:42:28,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 301 transitions, 811 flow [2024-11-16 23:42:28,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 301 transitions, 811 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:28,401 INFO L231 Difference]: Finished difference. Result has 283 places, 277 transitions, 688 flow [2024-11-16 23:42:28,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=688, PETRI_PLACES=283, PETRI_TRANSITIONS=277} [2024-11-16 23:42:28,402 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-16 23:42:28,402 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 277 transitions, 688 flow [2024-11-16 23:42:28,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.125) internal successors, (2249), 8 states have internal predecessors, (2249), 0 states have call successors, (0), 0 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 23:42:28,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:28,403 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:28,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:42:28,403 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:28,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1832484708, now seen corresponding path program 1 times [2024-11-16 23:42:28,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:28,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204467416] [2024-11-16 23:42:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:28,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:28,557 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 23:42:28,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:28,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204467416] [2024-11-16 23:42:28,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204467416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:28,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:28,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:28,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136468537] [2024-11-16 23:42:28,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:28,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:28,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:28,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:28,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:28,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-16 23:42:28,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 277 transitions, 688 flow. Second operand has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 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 23:42:28,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:28,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-16 23:42:28,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:29,019 INFO L124 PetriNetUnfolderBase]: 106/1075 cut-off events. [2024-11-16 23:42:29,019 INFO L125 PetriNetUnfolderBase]: For 93/97 co-relation queries the response was YES. [2024-11-16 23:42:29,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 1075 events. 106/1075 cut-off events. For 93/97 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5173 event pairs, 25 based on Foata normal form. 0/993 useless extension candidates. Maximal degree in co-relation 1426. Up to 65 conditions per place. [2024-11-16 23:42:29,026 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 30 selfloop transitions, 16 changer transitions 29/310 dead transitions. [2024-11-16 23:42:29,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 310 transitions, 923 flow [2024-11-16 23:42:29,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 23:42:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-16 23:42:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3686 transitions. [2024-11-16 23:42:29,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8805542283803154 [2024-11-16 23:42:29,032 INFO L175 Difference]: Start difference. First operand has 283 places, 277 transitions, 688 flow. Second operand 13 states and 3686 transitions. [2024-11-16 23:42:29,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 310 transitions, 923 flow [2024-11-16 23:42:29,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 310 transitions, 923 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:29,036 INFO L231 Difference]: Finished difference. Result has 298 places, 274 transitions, 711 flow [2024-11-16 23:42:29,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=711, PETRI_PLACES=298, PETRI_TRANSITIONS=274} [2024-11-16 23:42:29,038 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, 4 predicate places. [2024-11-16 23:42:29,038 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 274 transitions, 711 flow [2024-11-16 23:42:29,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 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 23:42:29,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:29,039 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:29,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:42:29,040 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:29,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:29,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1529628134, now seen corresponding path program 1 times [2024-11-16 23:42:29,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:29,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312159130] [2024-11-16 23:42:29,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:29,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:42:29,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:29,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312159130] [2024-11-16 23:42:29,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312159130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:29,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:29,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:29,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628988061] [2024-11-16 23:42:29,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:29,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:29,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:29,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:29,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:29,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-16 23:42:29,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 274 transitions, 711 flow. Second operand has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 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 23:42:29,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:29,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-16 23:42:29,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:29,847 INFO L124 PetriNetUnfolderBase]: 72/1243 cut-off events. [2024-11-16 23:42:29,848 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2024-11-16 23:42:29,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1734 conditions, 1243 events. 72/1243 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5480 event pairs, 14 based on Foata normal form. 2/1176 useless extension candidates. Maximal degree in co-relation 1671. Up to 57 conditions per place. [2024-11-16 23:42:29,858 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 44 selfloop transitions, 20 changer transitions 0/299 dead transitions. [2024-11-16 23:42:29,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 299 transitions, 925 flow [2024-11-16 23:42:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:42:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:42:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3398 transitions. [2024-11-16 23:42:29,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.879399585921325 [2024-11-16 23:42:29,863 INFO L175 Difference]: Start difference. First operand has 298 places, 274 transitions, 711 flow. Second operand 12 states and 3398 transitions. [2024-11-16 23:42:29,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 299 transitions, 925 flow [2024-11-16 23:42:29,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 299 transitions, 881 flow, removed 9 selfloop flow, removed 12 redundant places. [2024-11-16 23:42:29,869 INFO L231 Difference]: Finished difference. Result has 294 places, 283 transitions, 783 flow [2024-11-16 23:42:29,869 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=783, PETRI_PLACES=294, PETRI_TRANSITIONS=283} [2024-11-16 23:42:29,870 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, 0 predicate places. [2024-11-16 23:42:29,870 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 283 transitions, 783 flow [2024-11-16 23:42:29,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.25) internal successors, (2250), 8 states have internal predecessors, (2250), 0 states have call successors, (0), 0 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 23:42:29,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:29,871 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:29,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:42:29,871 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:29,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash -858061683, now seen corresponding path program 1 times [2024-11-16 23:42:29,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:29,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493858369] [2024-11-16 23:42:29,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:29,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:42:30,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:30,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493858369] [2024-11-16 23:42:30,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493858369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:30,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:30,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:42:30,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811955714] [2024-11-16 23:42:30,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:30,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:42:30,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:30,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:42:30,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:42:30,330 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 322 [2024-11-16 23:42:30,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 283 transitions, 783 flow. Second operand has 8 states, 8 states have (on average 281.375) internal successors, (2251), 8 states have internal predecessors, (2251), 0 states have call successors, (0), 0 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 23:42:30,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:30,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 322 [2024-11-16 23:42:30,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:30,520 INFO L124 PetriNetUnfolderBase]: 102/1031 cut-off events. [2024-11-16 23:42:30,520 INFO L125 PetriNetUnfolderBase]: For 177/181 co-relation queries the response was YES. [2024-11-16 23:42:30,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1513 conditions, 1031 events. 102/1031 cut-off events. For 177/181 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5018 event pairs, 24 based on Foata normal form. 2/959 useless extension candidates. Maximal degree in co-relation 1448. Up to 86 conditions per place. [2024-11-16 23:42:30,527 INFO L140 encePairwiseOnDemand]: 305/322 looper letters, 34 selfloop transitions, 13 changer transitions 17/299 dead transitions. [2024-11-16 23:42:30,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 957 flow [2024-11-16 23:42:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 23:42:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-16 23:42:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3395 transitions. [2024-11-16 23:42:30,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8786231884057971 [2024-11-16 23:42:30,532 INFO L175 Difference]: Start difference. First operand has 294 places, 283 transitions, 783 flow. Second operand 12 states and 3395 transitions. [2024-11-16 23:42:30,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 957 flow [2024-11-16 23:42:30,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 299 transitions, 955 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:42:30,536 INFO L231 Difference]: Finished difference. Result has 306 places, 275 transitions, 756 flow [2024-11-16 23:42:30,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=756, PETRI_PLACES=306, PETRI_TRANSITIONS=275} [2024-11-16 23:42:30,537 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, 12 predicate places. [2024-11-16 23:42:30,537 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 275 transitions, 756 flow [2024-11-16 23:42:30,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 281.375) internal successors, (2251), 8 states have internal predecessors, (2251), 0 states have call successors, (0), 0 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 23:42:30,538 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:30,538 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:30,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:42:30,538 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:30,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash -719249486, now seen corresponding path program 1 times [2024-11-16 23:42:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:30,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243558043] [2024-11-16 23:42:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:30,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:30,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:30,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243558043] [2024-11-16 23:42:30,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243558043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:30,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:30,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:30,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11672504] [2024-11-16 23:42:30,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:30,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:30,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:30,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:30,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:31,127 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-16 23:42:31,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 275 transitions, 756 flow. Second operand has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 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 23:42:31,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:31,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-16 23:42:31,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:31,223 INFO L124 PetriNetUnfolderBase]: 42/816 cut-off events. [2024-11-16 23:42:31,224 INFO L125 PetriNetUnfolderBase]: For 103/105 co-relation queries the response was YES. [2024-11-16 23:42:31,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 816 events. 42/816 cut-off events. For 103/105 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2603 event pairs, 6 based on Foata normal form. 0/773 useless extension candidates. Maximal degree in co-relation 1071. Up to 35 conditions per place. [2024-11-16 23:42:31,230 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 20 selfloop transitions, 6 changer transitions 0/279 dead transitions. [2024-11-16 23:42:31,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 279 transitions, 821 flow [2024-11-16 23:42:31,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1766 transitions. [2024-11-16 23:42:31,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9140786749482401 [2024-11-16 23:42:31,233 INFO L175 Difference]: Start difference. First operand has 306 places, 275 transitions, 756 flow. Second operand 6 states and 1766 transitions. [2024-11-16 23:42:31,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 279 transitions, 821 flow [2024-11-16 23:42:31,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 279 transitions, 768 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-16 23:42:31,237 INFO L231 Difference]: Finished difference. Result has 286 places, 274 transitions, 713 flow [2024-11-16 23:42:31,237 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=713, PETRI_PLACES=286, PETRI_TRANSITIONS=274} [2024-11-16 23:42:31,238 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -8 predicate places. [2024-11-16 23:42:31,238 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 274 transitions, 713 flow [2024-11-16 23:42:31,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 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 23:42:31,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:31,239 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:31,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:42:31,239 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:31,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:31,239 INFO L85 PathProgramCache]: Analyzing trace with hash 226220069, now seen corresponding path program 1 times [2024-11-16 23:42:31,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:31,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417544134] [2024-11-16 23:42:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:31,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:31,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:31,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417544134] [2024-11-16 23:42:31,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417544134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:31,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:31,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:31,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462106756] [2024-11-16 23:42:31,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:31,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:31,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:31,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:31,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:31,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-16 23:42:31,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 274 transitions, 713 flow. Second operand has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 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 23:42:31,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:31,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-16 23:42:31,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:31,847 INFO L124 PetriNetUnfolderBase]: 79/1075 cut-off events. [2024-11-16 23:42:31,848 INFO L125 PetriNetUnfolderBase]: For 135/139 co-relation queries the response was YES. [2024-11-16 23:42:31,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 1075 events. 79/1075 cut-off events. For 135/139 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4744 event pairs, 12 based on Foata normal form. 0/1013 useless extension candidates. Maximal degree in co-relation 1391. Up to 54 conditions per place. [2024-11-16 23:42:31,854 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 19 selfloop transitions, 6 changer transitions 0/277 dead transitions. [2024-11-16 23:42:31,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 277 transitions, 773 flow [2024-11-16 23:42:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1765 transitions. [2024-11-16 23:42:31,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135610766045549 [2024-11-16 23:42:31,858 INFO L175 Difference]: Start difference. First operand has 286 places, 274 transitions, 713 flow. Second operand 6 states and 1765 transitions. [2024-11-16 23:42:31,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 277 transitions, 773 flow [2024-11-16 23:42:31,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 277 transitions, 761 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:31,862 INFO L231 Difference]: Finished difference. Result has 285 places, 273 transitions, 711 flow [2024-11-16 23:42:31,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=711, PETRI_PLACES=285, PETRI_TRANSITIONS=273} [2024-11-16 23:42:31,863 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -9 predicate places. [2024-11-16 23:42:31,863 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 273 transitions, 711 flow [2024-11-16 23:42:31,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 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 23:42:31,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:31,864 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:31,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:42:31,865 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:31,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:31,865 INFO L85 PathProgramCache]: Analyzing trace with hash -950042537, now seen corresponding path program 1 times [2024-11-16 23:42:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:31,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883922414] [2024-11-16 23:42:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:32,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:32,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883922414] [2024-11-16 23:42:32,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883922414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:32,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:32,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:32,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094905967] [2024-11-16 23:42:32,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:32,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:32,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:32,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:32,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-16 23:42:32,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 273 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 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 23:42:32,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:32,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-16 23:42:32,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:32,557 INFO L124 PetriNetUnfolderBase]: 39/791 cut-off events. [2024-11-16 23:42:32,557 INFO L125 PetriNetUnfolderBase]: For 78/80 co-relation queries the response was YES. [2024-11-16 23:42:32,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 791 events. 39/791 cut-off events. For 78/80 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2489 event pairs, 6 based on Foata normal form. 0/759 useless extension candidates. Maximal degree in co-relation 1027. Up to 35 conditions per place. [2024-11-16 23:42:32,563 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 20 selfloop transitions, 6 changer transitions 0/277 dead transitions. [2024-11-16 23:42:32,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 277 transitions, 776 flow [2024-11-16 23:42:32,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1766 transitions. [2024-11-16 23:42:32,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9140786749482401 [2024-11-16 23:42:32,565 INFO L175 Difference]: Start difference. First operand has 285 places, 273 transitions, 711 flow. Second operand 6 states and 1766 transitions. [2024-11-16 23:42:32,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 277 transitions, 776 flow [2024-11-16 23:42:32,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 277 transitions, 764 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:32,569 INFO L231 Difference]: Finished difference. Result has 284 places, 272 transitions, 709 flow [2024-11-16 23:42:32,569 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=709, PETRI_PLACES=284, PETRI_TRANSITIONS=272} [2024-11-16 23:42:32,569 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -10 predicate places. [2024-11-16 23:42:32,569 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 272 transitions, 709 flow [2024-11-16 23:42:32,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 292.8333333333333) internal successors, (1757), 6 states have internal predecessors, (1757), 0 states have call successors, (0), 0 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 23:42:32,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:32,575 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:32,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:42:32,575 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:32,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:32,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1441185514, now seen corresponding path program 1 times [2024-11-16 23:42:32,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:32,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569742931] [2024-11-16 23:42:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:32,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:33,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:33,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569742931] [2024-11-16 23:42:33,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569742931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:33,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:33,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:33,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059512313] [2024-11-16 23:42:33,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:33,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:33,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:33,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:33,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:33,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 322 [2024-11-16 23:42:33,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 272 transitions, 709 flow. Second operand has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 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 23:42:33,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:33,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 322 [2024-11-16 23:42:33,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:33,643 INFO L124 PetriNetUnfolderBase]: 79/975 cut-off events. [2024-11-16 23:42:33,643 INFO L125 PetriNetUnfolderBase]: For 135/139 co-relation queries the response was YES. [2024-11-16 23:42:33,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1364 conditions, 975 events. 79/975 cut-off events. For 135/139 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4515 event pairs, 12 based on Foata normal form. 0/933 useless extension candidates. Maximal degree in co-relation 1305. Up to 54 conditions per place. [2024-11-16 23:42:33,649 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 19 selfloop transitions, 6 changer transitions 0/275 dead transitions. [2024-11-16 23:42:33,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 275 transitions, 769 flow [2024-11-16 23:42:33,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1765 transitions. [2024-11-16 23:42:33,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135610766045549 [2024-11-16 23:42:33,651 INFO L175 Difference]: Start difference. First operand has 284 places, 272 transitions, 709 flow. Second operand 6 states and 1765 transitions. [2024-11-16 23:42:33,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 275 transitions, 769 flow [2024-11-16 23:42:33,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 275 transitions, 757 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:33,655 INFO L231 Difference]: Finished difference. Result has 283 places, 271 transitions, 707 flow [2024-11-16 23:42:33,655 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=707, PETRI_PLACES=283, PETRI_TRANSITIONS=271} [2024-11-16 23:42:33,655 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -11 predicate places. [2024-11-16 23:42:33,656 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 271 transitions, 707 flow [2024-11-16 23:42:33,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 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 23:42:33,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:33,657 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:33,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:42:33,657 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:33,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:33,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1567483553, now seen corresponding path program 1 times [2024-11-16 23:42:33,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:33,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020342881] [2024-11-16 23:42:33,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:33,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:33,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:33,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020342881] [2024-11-16 23:42:33,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020342881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:33,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:33,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:33,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383104171] [2024-11-16 23:42:33,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:33,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:33,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:33,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:33,768 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 322 [2024-11-16 23:42:33,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 271 transitions, 707 flow. Second operand has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 23:42:33,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:33,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 322 [2024-11-16 23:42:33,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:33,855 INFO L124 PetriNetUnfolderBase]: 46/824 cut-off events. [2024-11-16 23:42:33,855 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-11-16 23:42:33,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1130 conditions, 824 events. 46/824 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2603 event pairs, 17 based on Foata normal form. 0/802 useless extension candidates. Maximal degree in co-relation 1073. Up to 64 conditions per place. [2024-11-16 23:42:33,864 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 11 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2024-11-16 23:42:33,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 271 transitions, 734 flow [2024-11-16 23:42:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:33,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-16 23:42:33,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9368530020703933 [2024-11-16 23:42:33,866 INFO L175 Difference]: Start difference. First operand has 283 places, 271 transitions, 707 flow. Second operand 3 states and 905 transitions. [2024-11-16 23:42:33,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 271 transitions, 734 flow [2024-11-16 23:42:33,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 271 transitions, 722 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:33,869 INFO L231 Difference]: Finished difference. Result has 279 places, 270 transitions, 697 flow [2024-11-16 23:42:33,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=279, PETRI_TRANSITIONS=270} [2024-11-16 23:42:33,870 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -15 predicate places. [2024-11-16 23:42:33,870 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 270 transitions, 697 flow [2024-11-16 23:42:33,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 23:42:33,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:33,871 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:33,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:42:33,871 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:42:33,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:33,872 INFO L85 PathProgramCache]: Analyzing trace with hash 309114386, now seen corresponding path program 1 times [2024-11-16 23:42:33,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:33,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716511211] [2024-11-16 23:42:33,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:33,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:42:33,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:33,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716511211] [2024-11-16 23:42:33,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716511211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:33,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:33,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:33,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309640814] [2024-11-16 23:42:33,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:33,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:33,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:33,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:33,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 322 [2024-11-16 23:42:33,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 270 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 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 23:42:33,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:33,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 322 [2024-11-16 23:42:33,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:34,051 INFO L124 PetriNetUnfolderBase]: 89/972 cut-off events. [2024-11-16 23:42:34,051 INFO L125 PetriNetUnfolderBase]: For 115/118 co-relation queries the response was YES. [2024-11-16 23:42:34,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1323 conditions, 972 events. 89/972 cut-off events. For 115/118 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4239 event pairs, 33 based on Foata normal form. 0/930 useless extension candidates. Maximal degree in co-relation 1266. Up to 102 conditions per place. [2024-11-16 23:42:34,056 INFO L140 encePairwiseOnDemand]: 319/322 looper letters, 0 selfloop transitions, 0 changer transitions 270/270 dead transitions. [2024-11-16 23:42:34,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 270 transitions, 724 flow [2024-11-16 23:42:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-16 23:42:34,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9368530020703933 [2024-11-16 23:42:34,057 INFO L175 Difference]: Start difference. First operand has 279 places, 270 transitions, 697 flow. Second operand 3 states and 905 transitions. [2024-11-16 23:42:34,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 270 transitions, 724 flow [2024-11-16 23:42:34,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 270 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:34,060 INFO L231 Difference]: Finished difference. Result has 278 places, 0 transitions, 0 flow [2024-11-16 23:42:34,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=278, PETRI_TRANSITIONS=0} [2024-11-16 23:42:34,060 INFO L277 CegarLoopForPetriNet]: 294 programPoint places, -16 predicate places. [2024-11-16 23:42:34,061 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 0 transitions, 0 flow [2024-11-16 23:42:34,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 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 23:42:34,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2024-11-16 23:42:34,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2024-11-16 23:42:34,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2024-11-16 23:42:34,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2024-11-16 23:42:34,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2024-11-16 23:42:34,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (23 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (22 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2024-11-16 23:42:34,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2024-11-16 23:42:34,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2024-11-16 23:42:34,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2024-11-16 23:42:34,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:42:34,069 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:34,074 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:42:34,074 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:42:34,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:42:34 BasicIcfg [2024-11-16 23:42:34,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:42:34,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:42:34,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:42:34,079 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:42:34,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:24" (3/4) ... [2024-11-16 23:42:34,080 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:42:34,083 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:42:34,083 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:42:34,087 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-16 23:42:34,087 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:42:34,087 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:42:34,088 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:42:34,168 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:42:34,168 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:42:34,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:42:34,169 INFO L158 Benchmark]: Toolchain (without parser) took 10473.35ms. Allocated memory was 163.6MB in the beginning and 490.7MB in the end (delta: 327.2MB). Free memory was 90.7MB in the beginning and 389.1MB in the end (delta: -298.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-16 23:42:34,169 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 126.5MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:42:34,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.61ms. Allocated memory is still 163.6MB. Free memory was 90.7MB in the beginning and 75.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:42:34,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.00ms. Allocated memory is still 163.6MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:42:34,169 INFO L158 Benchmark]: Boogie Preprocessor took 56.93ms. Allocated memory was 163.6MB in the beginning and 270.5MB in the end (delta: 107.0MB). Free memory was 73.9MB in the beginning and 237.6MB in the end (delta: -163.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-16 23:42:34,170 INFO L158 Benchmark]: IcfgBuilder took 544.92ms. Allocated memory is still 270.5MB. Free memory was 237.5MB in the beginning and 215.5MB in the end (delta: 22.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-16 23:42:34,170 INFO L158 Benchmark]: TraceAbstraction took 9453.21ms. Allocated memory was 270.5MB in the beginning and 490.7MB in the end (delta: 220.2MB). Free memory was 214.4MB in the beginning and 395.4MB in the end (delta: -181.0MB). Peak memory consumption was 271.0MB. Max. memory is 16.1GB. [2024-11-16 23:42:34,170 INFO L158 Benchmark]: Witness Printer took 89.55ms. Allocated memory is still 490.7MB. Free memory was 395.4MB in the beginning and 389.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:42:34,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 126.5MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.61ms. Allocated memory is still 163.6MB. Free memory was 90.7MB in the beginning and 75.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.00ms. Allocated memory is still 163.6MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.93ms. Allocated memory was 163.6MB in the beginning and 270.5MB in the end (delta: 107.0MB). Free memory was 73.9MB in the beginning and 237.6MB in the end (delta: -163.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * IcfgBuilder took 544.92ms. Allocated memory is still 270.5MB. Free memory was 237.5MB in the beginning and 215.5MB in the end (delta: 22.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9453.21ms. Allocated memory was 270.5MB in the beginning and 490.7MB in the end (delta: 220.2MB). Free memory was 214.4MB in the beginning and 395.4MB in the end (delta: -181.0MB). Peak memory consumption was 271.0MB. Max. memory is 16.1GB. * Witness Printer took 89.55ms. Allocated memory is still 490.7MB. Free memory was 395.4MB in the beginning and 389.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 436 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.3s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2595 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1746 mSDsluCounter, 1789 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1675 mSDsCounter, 354 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4237 IncrementalHoareTripleChecker+Invalid, 4591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 354 mSolverCounterUnsat, 114 mSDtfsCounter, 4237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=783occurred in iteration=16, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2713 NumberOfCodeBlocks, 2713 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2690 ConstructedInterpolants, 0 QuantifiedInterpolants, 5307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:42:34,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE