./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/pthread/queue.i -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 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:04:29,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:04:29,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:04:29,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:04:29,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:04:29,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:04:29,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:04:29,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:04:29,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:04:29,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:04:29,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:04:29,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:04:29,480 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:04:29,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:04:29,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:04:29,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:04:29,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:04:29,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:04:29,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:04:29,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:04:29,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:04:29,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:04:29,485 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:04:29,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:04:29,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:04:29,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:04:29,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:04:29,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:04:29,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:04:29,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:04:29,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:04:29,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:04:29,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:04:29,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:04:29,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:04:29,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:04:29,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:04:29,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:04:29,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:04:29,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:04:29,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:04:29,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2024-11-10 14:04:29,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:04:29,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:04:29,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:04:29,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:04:29,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:04:29,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue.i [2024-11-10 14:04:31,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:04:31,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:04:31,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue.i [2024-11-10 14:04:31,361 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e012b67f/938fe968330749e093bf185d8397bd3b/FLAG0993e5b88 [2024-11-10 14:04:31,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e012b67f/938fe968330749e093bf185d8397bd3b [2024-11-10 14:04:31,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:04:31,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:04:31,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:04:31,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:04:31,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:04:31,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:04:31" (1/1) ... [2024-11-10 14:04:31,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec38014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:31, skipping insertion in model container [2024-11-10 14:04:31,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:04:31" (1/1) ... [2024-11-10 14:04:31,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:04:32,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:04:32,146 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:04:32,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:04:32,327 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:04:32,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32 WrapperNode [2024-11-10 14:04:32,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:04:32,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:04:32,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:04:32,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:04:32,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,453 INFO L138 Inliner]: procedures = 274, calls = 107, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 522 [2024-11-10 14:04:32,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:04:32,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:04:32,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:04:32,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:04:32,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:04:32,567 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:04:32,567 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:04:32,567 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:04:32,567 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (1/1) ... [2024-11-10 14:04:32,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:04:32,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:04:32,615 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) [2024-11-10 14:04:32,620 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 [2024-11-10 14:04:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-10 14:04:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-10 14:04:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-10 14:04:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-10 14:04:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:04:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:04:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:04:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:04:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:04:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:04:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:04:32,691 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:04:32,880 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:04:32,882 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:04:33,610 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:04:33,611 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:04:33,649 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:04:33,649 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:04:33,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:04:33 BoogieIcfgContainer [2024-11-10 14:04:33,649 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:04:33,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:04:33,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:04:33,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:04:33,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:04:31" (1/3) ... [2024-11-10 14:04:33,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3c0531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:04:33, skipping insertion in model container [2024-11-10 14:04:33,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:04:32" (2/3) ... [2024-11-10 14:04:33,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3c0531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:04:33, skipping insertion in model container [2024-11-10 14:04:33,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:04:33" (3/3) ... [2024-11-10 14:04:33,657 INFO L112 eAbstractionObserver]: Analyzing ICFG queue.i [2024-11-10 14:04:33,670 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:04:33,670 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-10 14:04:33,670 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:04:33,827 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:04:33,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 585 places, 596 transitions, 1206 flow [2024-11-10 14:04:34,042 INFO L124 PetriNetUnfolderBase]: 18/594 cut-off events. [2024-11-10 14:04:34,042 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:04:34,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 594 events. 18/594 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 791 event pairs, 0 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 453. Up to 2 conditions per place. [2024-11-10 14:04:34,058 INFO L82 GeneralOperation]: Start removeDead. Operand has 585 places, 596 transitions, 1206 flow [2024-11-10 14:04:34,070 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 572 places, 581 transitions, 1171 flow [2024-11-10 14:04:34,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:04:34,088 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;@383989af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:04:34,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-10 14:04:34,101 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:04:34,102 INFO L124 PetriNetUnfolderBase]: 0/78 cut-off events. [2024-11-10 14:04:34,102 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:04:34,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:34,103 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] [2024-11-10 14:04:34,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:34,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:34,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1040802982, now seen corresponding path program 1 times [2024-11-10 14:04:34,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:34,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887724423] [2024-11-10 14:04:34,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:34,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:34,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:34,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887724423] [2024-11-10 14:04:34,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887724423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:34,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:34,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:04:34,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988541134] [2024-11-10 14:04:34,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:34,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:04:34,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:34,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:04:34,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:04:34,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 596 [2024-11-10 14:04:34,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 581 transitions, 1171 flow. Second operand has 3 states, 3 states have (on average 565.3333333333334) internal successors, (1696), 3 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:34,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:34,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 596 [2024-11-10 14:04:34,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:34,927 INFO L124 PetriNetUnfolderBase]: 61/1692 cut-off events. [2024-11-10 14:04:34,927 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-10 14:04:34,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1787 conditions, 1692 events. 61/1692 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 7668 event pairs, 27 based on Foata normal form. 37/1552 useless extension candidates. Maximal degree in co-relation 1601. Up to 70 conditions per place. [2024-11-10 14:04:34,938 INFO L140 encePairwiseOnDemand]: 587/596 looper letters, 15 selfloop transitions, 2 changer transitions 0/570 dead transitions. [2024-11-10 14:04:34,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 570 transitions, 1183 flow [2024-11-10 14:04:34,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:04:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:04:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1716 transitions. [2024-11-10 14:04:34,957 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.959731543624161 [2024-11-10 14:04:34,959 INFO L175 Difference]: Start difference. First operand has 572 places, 581 transitions, 1171 flow. Second operand 3 states and 1716 transitions. [2024-11-10 14:04:34,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 570 transitions, 1183 flow [2024-11-10 14:04:34,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 570 transitions, 1178 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:04:34,974 INFO L231 Difference]: Finished difference. Result has 566 places, 570 transitions, 1148 flow [2024-11-10 14:04:34,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1144, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1148, PETRI_PLACES=566, PETRI_TRANSITIONS=570} [2024-11-10 14:04:34,979 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -6 predicate places. [2024-11-10 14:04:34,980 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 570 transitions, 1148 flow [2024-11-10 14:04:34,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 565.3333333333334) internal successors, (1696), 3 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:34,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:34,982 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:04:34,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:04:34,982 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:34,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash 309480622, now seen corresponding path program 1 times [2024-11-10 14:04:34,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:34,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360537897] [2024-11-10 14:04:34,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:34,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:35,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:35,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360537897] [2024-11-10 14:04:35,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360537897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:35,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:35,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:04:35,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242517880] [2024-11-10 14:04:35,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:35,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:04:35,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:35,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:04:35,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:04:35,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 596 [2024-11-10 14:04:35,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 570 transitions, 1148 flow. Second operand has 3 states, 3 states have (on average 565.3333333333334) internal successors, (1696), 3 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:35,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:35,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 596 [2024-11-10 14:04:35,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:35,377 INFO L124 PetriNetUnfolderBase]: 69/1967 cut-off events. [2024-11-10 14:04:35,378 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 14:04:35,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2060 conditions, 1967 events. 69/1967 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 9648 event pairs, 29 based on Foata normal form. 0/1762 useless extension candidates. Maximal degree in co-relation 1975. Up to 74 conditions per place. [2024-11-10 14:04:35,388 INFO L140 encePairwiseOnDemand]: 593/596 looper letters, 15 selfloop transitions, 2 changer transitions 0/569 dead transitions. [2024-11-10 14:04:35,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 569 transitions, 1180 flow [2024-11-10 14:04:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:04:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:04:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1710 transitions. [2024-11-10 14:04:35,393 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9563758389261745 [2024-11-10 14:04:35,393 INFO L175 Difference]: Start difference. First operand has 566 places, 570 transitions, 1148 flow. Second operand 3 states and 1710 transitions. [2024-11-10 14:04:35,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 569 transitions, 1180 flow [2024-11-10 14:04:35,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 569 transitions, 1176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:04:35,399 INFO L231 Difference]: Finished difference. Result has 565 places, 569 transitions, 1146 flow [2024-11-10 14:04:35,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1142, PETRI_DIFFERENCE_MINUEND_PLACES=563, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1146, PETRI_PLACES=565, PETRI_TRANSITIONS=569} [2024-11-10 14:04:35,401 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -7 predicate places. [2024-11-10 14:04:35,401 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 569 transitions, 1146 flow [2024-11-10 14:04:35,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 565.3333333333334) internal successors, (1696), 3 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:35,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:35,402 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] [2024-11-10 14:04:35,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:04:35,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:35,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:35,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1093408332, now seen corresponding path program 1 times [2024-11-10 14:04:35,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:35,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345649434] [2024-11-10 14:04:35,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:35,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:35,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:35,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345649434] [2024-11-10 14:04:35,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345649434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:35,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:35,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:04:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039898710] [2024-11-10 14:04:35,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:35,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:04:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:35,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:04:35,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:04:36,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 596 [2024-11-10 14:04:36,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 569 transitions, 1146 flow. Second operand has 6 states, 6 states have (on average 440.3333333333333) internal successors, (2642), 6 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:36,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:36,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 596 [2024-11-10 14:04:36,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:38,886 INFO L124 PetriNetUnfolderBase]: 3722/15220 cut-off events. [2024-11-10 14:04:38,886 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-10 14:04:39,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22318 conditions, 15220 events. 3722/15220 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 137946 event pairs, 3314 based on Foata normal form. 0/13756 useless extension candidates. Maximal degree in co-relation 22229. Up to 6918 conditions per place. [2024-11-10 14:04:39,095 INFO L140 encePairwiseOnDemand]: 590/596 looper letters, 138 selfloop transitions, 5 changer transitions 0/568 dead transitions. [2024-11-10 14:04:39,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 568 transitions, 1430 flow [2024-11-10 14:04:39,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:04:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:04:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2778 transitions. [2024-11-10 14:04:39,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768456375838926 [2024-11-10 14:04:39,100 INFO L175 Difference]: Start difference. First operand has 565 places, 569 transitions, 1146 flow. Second operand 6 states and 2778 transitions. [2024-11-10 14:04:39,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 568 transitions, 1430 flow [2024-11-10 14:04:39,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 568 transitions, 1426 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:04:39,106 INFO L231 Difference]: Finished difference. Result has 567 places, 568 transitions, 1150 flow [2024-11-10 14:04:39,107 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1140, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1150, PETRI_PLACES=567, PETRI_TRANSITIONS=568} [2024-11-10 14:04:39,108 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -5 predicate places. [2024-11-10 14:04:39,108 INFO L471 AbstractCegarLoop]: Abstraction has has 567 places, 568 transitions, 1150 flow [2024-11-10 14:04:39,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 440.3333333333333) internal successors, (2642), 6 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:39,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:39,110 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:04:39,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:04:39,110 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:39,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:39,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1133773416, now seen corresponding path program 1 times [2024-11-10 14:04:39,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:39,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962636724] [2024-11-10 14:04:39,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:39,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:39,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:39,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962636724] [2024-11-10 14:04:39,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962636724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:39,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:39,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:04:39,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501170370] [2024-11-10 14:04:39,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:39,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:04:39,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:39,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:04:39,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:04:40,199 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 596 [2024-11-10 14:04:40,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 568 transitions, 1150 flow. Second operand has 6 states, 6 states have (on average 440.3333333333333) internal successors, (2642), 6 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:40,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:40,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 596 [2024-11-10 14:04:40,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:42,699 INFO L124 PetriNetUnfolderBase]: 3722/15219 cut-off events. [2024-11-10 14:04:42,700 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-10 14:04:42,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22320 conditions, 15219 events. 3722/15219 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 138064 event pairs, 3314 based on Foata normal form. 0/13756 useless extension candidates. Maximal degree in co-relation 22215. Up to 6918 conditions per place. [2024-11-10 14:04:42,764 INFO L140 encePairwiseOnDemand]: 590/596 looper letters, 138 selfloop transitions, 5 changer transitions 0/567 dead transitions. [2024-11-10 14:04:42,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 571 places, 567 transitions, 1434 flow [2024-11-10 14:04:42,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:04:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:04:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2778 transitions. [2024-11-10 14:04:42,768 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768456375838926 [2024-11-10 14:04:42,768 INFO L175 Difference]: Start difference. First operand has 567 places, 568 transitions, 1150 flow. Second operand 6 states and 2778 transitions. [2024-11-10 14:04:42,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 571 places, 567 transitions, 1434 flow [2024-11-10 14:04:42,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 567 transitions, 1424 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:04:42,775 INFO L231 Difference]: Finished difference. Result has 566 places, 567 transitions, 1148 flow [2024-11-10 14:04:42,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1138, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1148, PETRI_PLACES=566, PETRI_TRANSITIONS=567} [2024-11-10 14:04:42,778 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -6 predicate places. [2024-11-10 14:04:42,778 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 567 transitions, 1148 flow [2024-11-10 14:04:42,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 440.3333333333333) internal successors, (2642), 6 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:42,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:42,781 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] [2024-11-10 14:04:42,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:04:42,781 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:42,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:42,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1126193198, now seen corresponding path program 1 times [2024-11-10 14:04:42,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:42,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771800415] [2024-11-10 14:04:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:43,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:43,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771800415] [2024-11-10 14:04:43,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771800415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:43,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:43,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:04:43,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567060576] [2024-11-10 14:04:43,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:43,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:04:43,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:43,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:04:43,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:04:43,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 596 [2024-11-10 14:04:43,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 567 transitions, 1148 flow. Second operand has 6 states, 6 states have (on average 440.3333333333333) internal successors, (2642), 6 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:43,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:43,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 596 [2024-11-10 14:04:43,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:45,858 INFO L124 PetriNetUnfolderBase]: 3722/15218 cut-off events. [2024-11-10 14:04:45,858 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-10 14:04:45,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22319 conditions, 15218 events. 3722/15218 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 137820 event pairs, 3314 based on Foata normal form. 0/13756 useless extension candidates. Maximal degree in co-relation 22206. Up to 6918 conditions per place. [2024-11-10 14:04:45,923 INFO L140 encePairwiseOnDemand]: 590/596 looper letters, 138 selfloop transitions, 5 changer transitions 0/566 dead transitions. [2024-11-10 14:04:45,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 566 transitions, 1432 flow [2024-11-10 14:04:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:04:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:04:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2778 transitions. [2024-11-10 14:04:45,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7768456375838926 [2024-11-10 14:04:45,929 INFO L175 Difference]: Start difference. First operand has 566 places, 567 transitions, 1148 flow. Second operand 6 states and 2778 transitions. [2024-11-10 14:04:45,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 566 transitions, 1432 flow [2024-11-10 14:04:45,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 566 transitions, 1422 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:04:45,937 INFO L231 Difference]: Finished difference. Result has 565 places, 566 transitions, 1146 flow [2024-11-10 14:04:45,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1146, PETRI_PLACES=565, PETRI_TRANSITIONS=566} [2024-11-10 14:04:45,938 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -7 predicate places. [2024-11-10 14:04:45,938 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 566 transitions, 1146 flow [2024-11-10 14:04:45,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 440.3333333333333) internal successors, (2642), 6 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:45,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:45,940 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] [2024-11-10 14:04:45,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:04:45,941 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:45,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1707326954, now seen corresponding path program 1 times [2024-11-10 14:04:45,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:45,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526196464] [2024-11-10 14:04:45,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:45,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:46,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:46,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526196464] [2024-11-10 14:04:46,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526196464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:46,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:46,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:04:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581705085] [2024-11-10 14:04:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:46,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:04:46,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:46,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:04:46,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:04:47,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 596 [2024-11-10 14:04:47,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 566 transitions, 1146 flow. Second operand has 6 states, 6 states have (on average 504.1666666666667) internal successors, (3025), 6 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:47,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:47,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 596 [2024-11-10 14:04:47,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:47,893 INFO L124 PetriNetUnfolderBase]: 858/5692 cut-off events. [2024-11-10 14:04:47,894 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:04:47,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7296 conditions, 5692 events. 858/5692 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 45842 event pairs, 674 based on Foata normal form. 0/5076 useless extension candidates. Maximal degree in co-relation 7165. Up to 1501 conditions per place. [2024-11-10 14:04:47,920 INFO L140 encePairwiseOnDemand]: 590/596 looper letters, 76 selfloop transitions, 5 changer transitions 0/565 dead transitions. [2024-11-10 14:04:47,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 565 transitions, 1306 flow [2024-11-10 14:04:47,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:04:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:04:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3088 transitions. [2024-11-10 14:04:47,925 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635346756152126 [2024-11-10 14:04:47,926 INFO L175 Difference]: Start difference. First operand has 565 places, 566 transitions, 1146 flow. Second operand 6 states and 3088 transitions. [2024-11-10 14:04:47,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 565 transitions, 1306 flow [2024-11-10 14:04:47,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 565 transitions, 1296 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:04:47,932 INFO L231 Difference]: Finished difference. Result has 564 places, 565 transitions, 1144 flow [2024-11-10 14:04:47,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1144, PETRI_PLACES=564, PETRI_TRANSITIONS=565} [2024-11-10 14:04:47,935 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -8 predicate places. [2024-11-10 14:04:47,935 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 565 transitions, 1144 flow [2024-11-10 14:04:47,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 504.1666666666667) internal successors, (3025), 6 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:47,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:47,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:04:47,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:04:47,937 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:47,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:47,938 INFO L85 PathProgramCache]: Analyzing trace with hash -560363589, now seen corresponding path program 1 times [2024-11-10 14:04:47,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:47,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239134061] [2024-11-10 14:04:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:48,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239134061] [2024-11-10 14:04:48,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239134061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:48,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:48,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:04:48,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512055348] [2024-11-10 14:04:48,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:48,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:04:48,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:48,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:04:48,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:04:49,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 596 [2024-11-10 14:04:49,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 565 transitions, 1144 flow. Second operand has 6 states, 6 states have (on average 504.1666666666667) internal successors, (3025), 6 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:49,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:49,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 596 [2024-11-10 14:04:49,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:49,750 INFO L124 PetriNetUnfolderBase]: 858/5691 cut-off events. [2024-11-10 14:04:49,750 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:04:49,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7295 conditions, 5691 events. 858/5691 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 45921 event pairs, 674 based on Foata normal form. 0/5076 useless extension candidates. Maximal degree in co-relation 7126. Up to 1501 conditions per place. [2024-11-10 14:04:49,782 INFO L140 encePairwiseOnDemand]: 590/596 looper letters, 76 selfloop transitions, 5 changer transitions 0/564 dead transitions. [2024-11-10 14:04:49,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 564 transitions, 1304 flow [2024-11-10 14:04:49,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:04:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:04:49,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3088 transitions. [2024-11-10 14:04:49,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635346756152126 [2024-11-10 14:04:49,789 INFO L175 Difference]: Start difference. First operand has 564 places, 565 transitions, 1144 flow. Second operand 6 states and 3088 transitions. [2024-11-10 14:04:49,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 564 transitions, 1304 flow [2024-11-10 14:04:49,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 564 transitions, 1294 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:04:49,796 INFO L231 Difference]: Finished difference. Result has 563 places, 564 transitions, 1142 flow [2024-11-10 14:04:49,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1142, PETRI_PLACES=563, PETRI_TRANSITIONS=564} [2024-11-10 14:04:49,797 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -9 predicate places. [2024-11-10 14:04:49,797 INFO L471 AbstractCegarLoop]: Abstraction has has 563 places, 564 transitions, 1142 flow [2024-11-10 14:04:49,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 504.1666666666667) internal successors, (3025), 6 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:49,799 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:49,799 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:04:49,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:04:49,800 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:49,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:49,800 INFO L85 PathProgramCache]: Analyzing trace with hash -33773201, now seen corresponding path program 1 times [2024-11-10 14:04:49,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:49,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451652430] [2024-11-10 14:04:49,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:49,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:49,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:49,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451652430] [2024-11-10 14:04:49,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451652430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:49,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:49,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:04:49,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784847353] [2024-11-10 14:04:49,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:49,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:04:49,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:49,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:04:49,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:04:49,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 596 [2024-11-10 14:04:49,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 564 transitions, 1142 flow. Second operand has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:49,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:49,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 596 [2024-11-10 14:04:49,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:50,280 INFO L124 PetriNetUnfolderBase]: 114/2693 cut-off events. [2024-11-10 14:04:50,281 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-10 14:04:50,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2860 conditions, 2693 events. 114/2693 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 14032 event pairs, 25 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 2710. Up to 88 conditions per place. [2024-11-10 14:04:50,298 INFO L140 encePairwiseOnDemand]: 591/596 looper letters, 22 selfloop transitions, 4 changer transitions 0/575 dead transitions. [2024-11-10 14:04:50,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 575 transitions, 1217 flow [2024-11-10 14:04:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:04:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:04:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1731 transitions. [2024-11-10 14:04:50,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9681208053691275 [2024-11-10 14:04:50,302 INFO L175 Difference]: Start difference. First operand has 563 places, 564 transitions, 1142 flow. Second operand 3 states and 1731 transitions. [2024-11-10 14:04:50,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 575 transitions, 1217 flow [2024-11-10 14:04:50,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 575 transitions, 1207 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:04:50,312 INFO L231 Difference]: Finished difference. Result has 562 places, 568 transitions, 1166 flow [2024-11-10 14:04:50,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1166, PETRI_PLACES=562, PETRI_TRANSITIONS=568} [2024-11-10 14:04:50,313 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -10 predicate places. [2024-11-10 14:04:50,313 INFO L471 AbstractCegarLoop]: Abstraction has has 562 places, 568 transitions, 1166 flow [2024-11-10 14:04:50,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:50,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:50,314 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:04:50,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:04:50,314 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:50,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:50,315 INFO L85 PathProgramCache]: Analyzing trace with hash -485137043, now seen corresponding path program 1 times [2024-11-10 14:04:50,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:50,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497491129] [2024-11-10 14:04:50,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:50,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:50,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:50,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497491129] [2024-11-10 14:04:50,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497491129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:50,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:50,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:04:50,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454075246] [2024-11-10 14:04:50,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:50,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:04:50,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:50,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:04:50,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:04:51,669 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 596 [2024-11-10 14:04:51,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 568 transitions, 1166 flow. Second operand has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:51,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:51,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 596 [2024-11-10 14:04:51,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:54,093 INFO L124 PetriNetUnfolderBase]: 3108/14659 cut-off events. [2024-11-10 14:04:54,093 INFO L125 PetriNetUnfolderBase]: For 109/109 co-relation queries the response was YES. [2024-11-10 14:04:54,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20878 conditions, 14659 events. 3108/14659 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 134250 event pairs, 1258 based on Foata normal form. 0/13252 useless extension candidates. Maximal degree in co-relation 20053. Up to 4510 conditions per place. [2024-11-10 14:04:54,170 INFO L140 encePairwiseOnDemand]: 542/596 looper letters, 125 selfloop transitions, 84 changer transitions 0/666 dead transitions. [2024-11-10 14:04:54,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 666 transitions, 1788 flow [2024-11-10 14:04:54,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:04:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:04:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3047 transitions. [2024-11-10 14:04:54,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.852069351230425 [2024-11-10 14:04:54,175 INFO L175 Difference]: Start difference. First operand has 562 places, 568 transitions, 1166 flow. Second operand 6 states and 3047 transitions. [2024-11-10 14:04:54,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 666 transitions, 1788 flow [2024-11-10 14:04:54,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 666 transitions, 1780 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:04:54,184 INFO L231 Difference]: Finished difference. Result has 570 places, 648 transitions, 1754 flow [2024-11-10 14:04:54,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1158, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1754, PETRI_PLACES=570, PETRI_TRANSITIONS=648} [2024-11-10 14:04:54,185 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -2 predicate places. [2024-11-10 14:04:54,185 INFO L471 AbstractCegarLoop]: Abstraction has has 570 places, 648 transitions, 1754 flow [2024-11-10 14:04:54,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:54,187 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:54,187 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:04:54,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:04:54,187 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:54,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash 289620728, now seen corresponding path program 1 times [2024-11-10 14:04:54,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:54,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442880434] [2024-11-10 14:04:54,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:54,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:54,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:54,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442880434] [2024-11-10 14:04:54,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442880434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:54,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:54,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:04:54,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951352941] [2024-11-10 14:04:54,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:54,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:04:54,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:54,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:04:54,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:04:54,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 596 [2024-11-10 14:04:54,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 648 transitions, 1754 flow. Second operand has 3 states, 3 states have (on average 571.0) internal successors, (1713), 3 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:54,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:54,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 596 [2024-11-10 14:04:54,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:04:55,849 INFO L124 PetriNetUnfolderBase]: 991/8803 cut-off events. [2024-11-10 14:04:55,850 INFO L125 PetriNetUnfolderBase]: For 621/633 co-relation queries the response was YES. [2024-11-10 14:04:55,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12543 conditions, 8803 events. 991/8803 cut-off events. For 621/633 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 74285 event pairs, 110 based on Foata normal form. 24/8040 useless extension candidates. Maximal degree in co-relation 11861. Up to 966 conditions per place. [2024-11-10 14:04:55,903 INFO L140 encePairwiseOnDemand]: 592/596 looper letters, 18 selfloop transitions, 3 changer transitions 0/636 dead transitions. [2024-11-10 14:04:55,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 636 transitions, 1723 flow [2024-11-10 14:04:55,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:04:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:04:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1729 transitions. [2024-11-10 14:04:55,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9670022371364653 [2024-11-10 14:04:55,907 INFO L175 Difference]: Start difference. First operand has 570 places, 648 transitions, 1754 flow. Second operand 3 states and 1729 transitions. [2024-11-10 14:04:55,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 636 transitions, 1723 flow [2024-11-10 14:04:55,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 636 transitions, 1709 flow, removed 7 selfloop flow, removed 0 redundant places. [2024-11-10 14:04:55,923 INFO L231 Difference]: Finished difference. Result has 570 places, 630 transitions, 1665 flow [2024-11-10 14:04:55,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=567, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1665, PETRI_PLACES=570, PETRI_TRANSITIONS=630} [2024-11-10 14:04:55,924 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, -2 predicate places. [2024-11-10 14:04:55,925 INFO L471 AbstractCegarLoop]: Abstraction has has 570 places, 630 transitions, 1665 flow [2024-11-10 14:04:55,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 571.0) internal successors, (1713), 3 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:55,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:04:55,926 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:04:55,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:04:55,926 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:04:55,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:04:55,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1222148140, now seen corresponding path program 1 times [2024-11-10 14:04:55,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:04:55,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741216963] [2024-11-10 14:04:55,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:04:55,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:04:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:04:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:04:56,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:04:56,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741216963] [2024-11-10 14:04:56,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741216963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:04:56,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:04:56,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:04:56,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523367320] [2024-11-10 14:04:56,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:04:56,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:04:56,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:04:56,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:04:56,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:04:57,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 596 [2024-11-10 14:04:57,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 630 transitions, 1665 flow. Second operand has 6 states, 6 states have (on average 425.8333333333333) internal successors, (2555), 6 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:04:57,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:04:57,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 596 [2024-11-10 14:04:57,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:02,915 INFO L124 PetriNetUnfolderBase]: 6038/22516 cut-off events. [2024-11-10 14:05:02,915 INFO L125 PetriNetUnfolderBase]: For 4253/4484 co-relation queries the response was YES. [2024-11-10 14:05:02,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41094 conditions, 22516 events. 6038/22516 cut-off events. For 4253/4484 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 223900 event pairs, 3626 based on Foata normal form. 30/20497 useless extension candidates. Maximal degree in co-relation 39704. Up to 11092 conditions per place. [2024-11-10 14:05:03,001 INFO L140 encePairwiseOnDemand]: 547/596 looper letters, 228 selfloop transitions, 156 changer transitions 0/790 dead transitions. [2024-11-10 14:05:03,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 790 transitions, 2857 flow [2024-11-10 14:05:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:05:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:05:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2845 transitions. [2024-11-10 14:05:03,006 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7955816554809844 [2024-11-10 14:05:03,006 INFO L175 Difference]: Start difference. First operand has 570 places, 630 transitions, 1665 flow. Second operand 6 states and 2845 transitions. [2024-11-10 14:05:03,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 790 transitions, 2857 flow [2024-11-10 14:05:03,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 790 transitions, 2854 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:05:03,022 INFO L231 Difference]: Finished difference. Result has 578 places, 778 transitions, 2762 flow [2024-11-10 14:05:03,023 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=1660, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2762, PETRI_PLACES=578, PETRI_TRANSITIONS=778} [2024-11-10 14:05:03,024 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, 6 predicate places. [2024-11-10 14:05:03,024 INFO L471 AbstractCegarLoop]: Abstraction has has 578 places, 778 transitions, 2762 flow [2024-11-10 14:05:03,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 425.8333333333333) internal successors, (2555), 6 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:05:03,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:03,025 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:03,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:05:03,026 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:05:03,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:03,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1593820888, now seen corresponding path program 1 times [2024-11-10 14:05:03,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:03,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724939738] [2024-11-10 14:05:03,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:03,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:03,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:03,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724939738] [2024-11-10 14:05:03,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724939738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:03,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:03,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:05:03,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427333310] [2024-11-10 14:05:03,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:03,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:05:03,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:03,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:05:03,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:05:04,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 596 [2024-11-10 14:05:04,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 778 transitions, 2762 flow. Second operand has 6 states, 6 states have (on average 510.1666666666667) internal successors, (3061), 6 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:05:04,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:04,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 596 [2024-11-10 14:05:04,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:06,895 INFO L124 PetriNetUnfolderBase]: 2882/14726 cut-off events. [2024-11-10 14:05:06,895 INFO L125 PetriNetUnfolderBase]: For 4629/5267 co-relation queries the response was YES. [2024-11-10 14:05:06,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27936 conditions, 14726 events. 2882/14726 cut-off events. For 4629/5267 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 141748 event pairs, 749 based on Foata normal form. 51/13486 useless extension candidates. Maximal degree in co-relation 26907. Up to 3595 conditions per place. [2024-11-10 14:05:07,003 INFO L140 encePairwiseOnDemand]: 571/596 looper letters, 182 selfloop transitions, 59 changer transitions 0/842 dead transitions. [2024-11-10 14:05:07,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 842 transitions, 3572 flow [2024-11-10 14:05:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:05:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:05:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3179 transitions. [2024-11-10 14:05:07,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8889821029082774 [2024-11-10 14:05:07,008 INFO L175 Difference]: Start difference. First operand has 578 places, 778 transitions, 2762 flow. Second operand 6 states and 3179 transitions. [2024-11-10 14:05:07,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 842 transitions, 3572 flow [2024-11-10 14:05:07,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 842 transitions, 3476 flow, removed 48 selfloop flow, removed 0 redundant places. [2024-11-10 14:05:07,033 INFO L231 Difference]: Finished difference. Result has 587 places, 830 transitions, 3234 flow [2024-11-10 14:05:07,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=2664, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=777, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3234, PETRI_PLACES=587, PETRI_TRANSITIONS=830} [2024-11-10 14:05:07,035 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, 15 predicate places. [2024-11-10 14:05:07,035 INFO L471 AbstractCegarLoop]: Abstraction has has 587 places, 830 transitions, 3234 flow [2024-11-10 14:05:07,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 510.1666666666667) internal successors, (3061), 6 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:05:07,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:07,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:07,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:05:07,037 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:05:07,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:07,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1919672740, now seen corresponding path program 1 times [2024-11-10 14:05:07,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:07,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066265867] [2024-11-10 14:05:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:07,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:07,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:07,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066265867] [2024-11-10 14:05:07,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066265867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:07,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:07,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:05:07,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108817610] [2024-11-10 14:05:07,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:07,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:05:07,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:07,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:05:07,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:05:08,699 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 462 out of 596 [2024-11-10 14:05:08,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 830 transitions, 3234 flow. Second operand has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:05:08,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:08,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 462 of 596 [2024-11-10 14:05:08,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:12,626 INFO L124 PetriNetUnfolderBase]: 4710/19325 cut-off events. [2024-11-10 14:05:12,626 INFO L125 PetriNetUnfolderBase]: For 8488/8822 co-relation queries the response was YES. [2024-11-10 14:05:12,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41324 conditions, 19325 events. 4710/19325 cut-off events. For 8488/8822 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 190570 event pairs, 1581 based on Foata normal form. 59/17734 useless extension candidates. Maximal degree in co-relation 40183. Up to 7811 conditions per place. [2024-11-10 14:05:12,730 INFO L140 encePairwiseOnDemand]: 547/596 looper letters, 374 selfloop transitions, 156 changer transitions 0/990 dead transitions. [2024-11-10 14:05:12,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 990 transitions, 5102 flow [2024-11-10 14:05:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:05:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:05:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3055 transitions. [2024-11-10 14:05:12,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8543064876957495 [2024-11-10 14:05:12,739 INFO L175 Difference]: Start difference. First operand has 587 places, 830 transitions, 3234 flow. Second operand 6 states and 3055 transitions. [2024-11-10 14:05:12,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 990 transitions, 5102 flow [2024-11-10 14:05:12,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 990 transitions, 5006 flow, removed 48 selfloop flow, removed 0 redundant places. [2024-11-10 14:05:12,778 INFO L231 Difference]: Finished difference. Result has 596 places, 978 transitions, 4622 flow [2024-11-10 14:05:12,779 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=3136, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=829, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=781, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4622, PETRI_PLACES=596, PETRI_TRANSITIONS=978} [2024-11-10 14:05:12,780 INFO L277 CegarLoopForPetriNet]: 572 programPoint places, 24 predicate places. [2024-11-10 14:05:12,780 INFO L471 AbstractCegarLoop]: Abstraction has has 596 places, 978 transitions, 4622 flow [2024-11-10 14:05:12,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:05:12,781 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:12,781 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:12,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:05:12,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:05:12,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:12,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1862855275, now seen corresponding path program 1 times [2024-11-10 14:05:12,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:12,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041374437] [2024-11-10 14:05:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:12,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:13,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:13,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041374437] [2024-11-10 14:05:13,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041374437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:13,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:13,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:05:13,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452765277] [2024-11-10 14:05:13,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:13,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:05:13,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:13,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:05:13,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:05:14,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 596 [2024-11-10 14:05:14,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 978 transitions, 4622 flow. Second operand has 6 states, 6 states have (on average 439.3333333333333) internal successors, (2636), 6 states have internal predecessors, (2636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:05:14,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:14,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 596 [2024-11-10 14:05:14,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand