./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.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/goblint-regression/06-symbeq_07-tricky_address2.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 c18dd13658bb5739ed2db8c4c80ae330682b7c3cebd2ad85657518c27ca325b9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:29:01,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:29:01,600 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:29:01,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:29:01,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:29:01,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:29:01,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:29:01,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:29:01,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:29:01,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:29:01,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:29:01,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:29:01,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:29:01,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:29:01,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:29:01,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:29:01,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:29:01,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:29:01,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:29:01,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:29:01,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:29:01,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:29:01,642 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:29:01,643 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:29:01,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:29:01,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:29:01,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:29:01,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:29:01,644 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:29:01,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:29:01,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:29:01,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:29:01,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:29:01,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:29:01,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:29:01,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:29:01,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:29:01,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:29:01,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:29:01,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:29:01,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:29:01,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c18dd13658bb5739ed2db8c4c80ae330682b7c3cebd2ad85657518c27ca325b9 [2024-11-10 14:29:01,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:29:01,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:29:01,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:29:01,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:29:01,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:29:01,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i [2024-11-10 14:29:03,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:29:03,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:29:03,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_07-tricky_address2.i [2024-11-10 14:29:03,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363abe2cd/b3c4876ba6124cc890060a115756e97e/FLAG17e0fdf6f [2024-11-10 14:29:03,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363abe2cd/b3c4876ba6124cc890060a115756e97e [2024-11-10 14:29:03,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:29:03,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:29:03,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:29:03,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:29:03,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:29:03,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:03,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fab6c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03, skipping insertion in model container [2024-11-10 14:29:03,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:03,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:29:03,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:29:03,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:29:03,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:29:03,996 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:29:03,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03 WrapperNode [2024-11-10 14:29:03,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:29:03,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:29:03,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:29:03,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:29:04,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,041 INFO L138 Inliner]: procedures = 265, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 150 [2024-11-10 14:29:04,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:29:04,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:29:04,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:29:04,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:29:04,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:29:04,074 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:29:04,074 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:29:04,074 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:29:04,074 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (1/1) ... [2024-11-10 14:29:04,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:29:04,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:04,115 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 14:29:04,120 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 14:29:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:29:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:29:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:29:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:29:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:29:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:29:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:29:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:29:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:29:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:29:04,166 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 14:29:04,272 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:29:04,274 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:29:04,505 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:29:04,505 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:29:04,525 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:29:04,525 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:29:04,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:29:04 BoogieIcfgContainer [2024-11-10 14:29:04,526 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:29:04,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:29:04,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:29:04,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:29:04,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:29:03" (1/3) ... [2024-11-10 14:29:04,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e409bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:29:04, skipping insertion in model container [2024-11-10 14:29:04,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:03" (2/3) ... [2024-11-10 14:29:04,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e409bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:29:04, skipping insertion in model container [2024-11-10 14:29:04,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:29:04" (3/3) ... [2024-11-10 14:29:04,534 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_07-tricky_address2.i [2024-11-10 14:29:04,547 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:29:04,548 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 14:29:04,548 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:29:04,601 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:29:04,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 162 transitions, 328 flow [2024-11-10 14:29:04,703 INFO L124 PetriNetUnfolderBase]: 4/161 cut-off events. [2024-11-10 14:29:04,704 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:29:04,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 161 events. 4/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2024-11-10 14:29:04,708 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 162 transitions, 328 flow [2024-11-10 14:29:04,712 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 161 transitions, 325 flow [2024-11-10 14:29:04,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:29:04,724 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;@c0398f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:29:04,724 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-10 14:29:04,741 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:29:04,741 INFO L124 PetriNetUnfolderBase]: 4/114 cut-off events. [2024-11-10 14:29:04,742 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:29:04,742 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:04,742 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 14:29:04,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:04,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash -426858569, now seen corresponding path program 1 times [2024-11-10 14:29:04,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:04,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129413731] [2024-11-10 14:29:04,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:04,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:05,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:05,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129413731] [2024-11-10 14:29:05,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129413731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:05,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:05,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:29:05,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488726188] [2024-11-10 14:29:05,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:05,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:29:05,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:05,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:29:05,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:29:05,115 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 162 [2024-11-10 14:29:05,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 161 transitions, 325 flow. Second operand has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 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 14:29:05,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:05,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 162 [2024-11-10 14:29:05,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:05,191 INFO L124 PetriNetUnfolderBase]: 5/216 cut-off events. [2024-11-10 14:29:05,193 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:29:05,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 216 events. 5/216 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 263 event pairs, 4 based on Foata normal form. 4/207 useless extension candidates. Maximal degree in co-relation 137. Up to 14 conditions per place. [2024-11-10 14:29:05,195 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 5 selfloop transitions, 0 changer transitions 1/158 dead transitions. [2024-11-10 14:29:05,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 158 transitions, 329 flow [2024-11-10 14:29:05,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:29:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:29:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 316 transitions. [2024-11-10 14:29:05,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9753086419753086 [2024-11-10 14:29:05,209 INFO L175 Difference]: Start difference. First operand has 161 places, 161 transitions, 325 flow. Second operand 2 states and 316 transitions. [2024-11-10 14:29:05,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 158 transitions, 329 flow [2024-11-10 14:29:05,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:05,216 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 316 flow [2024-11-10 14:29:05,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=316, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2024-11-10 14:29:05,220 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 0 predicate places. [2024-11-10 14:29:05,221 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 316 flow [2024-11-10 14:29:05,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 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 14:29:05,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:05,222 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] [2024-11-10 14:29:05,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:29:05,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:05,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:05,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1929070619, now seen corresponding path program 1 times [2024-11-10 14:29:05,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:05,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123274723] [2024-11-10 14:29:05,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:05,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:05,363 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 14:29:05,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:05,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123274723] [2024-11-10 14:29:05,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123274723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:05,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:05,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:29:05,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225866199] [2024-11-10 14:29:05,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:05,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:29:05,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:05,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:29:05,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:29:05,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 162 [2024-11-10 14:29:05,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 14:29:05,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:05,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 162 [2024-11-10 14:29:05,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:05,408 INFO L124 PetriNetUnfolderBase]: 7/222 cut-off events. [2024-11-10 14:29:05,409 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:29:05,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 222 events. 7/222 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 325 event pairs, 6 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 248. Up to 24 conditions per place. [2024-11-10 14:29:05,410 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 10 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-11-10 14:29:05,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 158 transitions, 342 flow [2024-11-10 14:29:05,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:29:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:29:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 457 transitions. [2024-11-10 14:29:05,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9403292181069959 [2024-11-10 14:29:05,412 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 316 flow. Second operand 3 states and 457 transitions. [2024-11-10 14:29:05,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 158 transitions, 342 flow [2024-11-10 14:29:05,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:05,416 INFO L231 Difference]: Finished difference. Result has 163 places, 158 transitions, 328 flow [2024-11-10 14:29:05,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=163, PETRI_TRANSITIONS=158} [2024-11-10 14:29:05,417 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 2 predicate places. [2024-11-10 14:29:05,417 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 158 transitions, 328 flow [2024-11-10 14:29:05,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 14:29:05,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:05,418 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:29:05,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:29:05,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:05,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:05,419 INFO L85 PathProgramCache]: Analyzing trace with hash -153211306, now seen corresponding path program 1 times [2024-11-10 14:29:05,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:05,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381467258] [2024-11-10 14:29:05,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:05,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:05,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:05,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381467258] [2024-11-10 14:29:05,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381467258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:05,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713650738] [2024-11-10 14:29:05,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:05,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:05,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:05,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:29:05,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:29:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:05,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 14:29:05,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:05,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:29:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:05,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713650738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:29:05,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:29:05,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 14:29:05,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095176335] [2024-11-10 14:29:05,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:29:05,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:05,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:05,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:05,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:05,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-10 14:29:05,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 158 transitions, 328 flow. Second operand has 10 states, 10 states have (on average 147.0) internal successors, (1470), 10 states have internal predecessors, (1470), 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 14:29:05,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:05,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-10 14:29:05,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:05,914 INFO L124 PetriNetUnfolderBase]: 7/231 cut-off events. [2024-11-10 14:29:05,914 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:29:05,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 231 events. 7/231 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 316 event pairs, 6 based on Foata normal form. 2/222 useless extension candidates. Maximal degree in co-relation 274. Up to 24 conditions per place. [2024-11-10 14:29:05,915 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 14 selfloop transitions, 9 changer transitions 0/166 dead transitions. [2024-11-10 14:29:05,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 392 flow [2024-11-10 14:29:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:29:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 14:29:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1330 transitions. [2024-11-10 14:29:05,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9122085048010974 [2024-11-10 14:29:05,919 INFO L175 Difference]: Start difference. First operand has 163 places, 158 transitions, 328 flow. Second operand 9 states and 1330 transitions. [2024-11-10 14:29:05,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 392 flow [2024-11-10 14:29:05,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 166 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:05,922 INFO L231 Difference]: Finished difference. Result has 173 places, 164 transitions, 376 flow [2024-11-10 14:29:05,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=376, PETRI_PLACES=173, PETRI_TRANSITIONS=164} [2024-11-10 14:29:05,923 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 12 predicate places. [2024-11-10 14:29:05,923 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 164 transitions, 376 flow [2024-11-10 14:29:05,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 147.0) internal successors, (1470), 10 states have internal predecessors, (1470), 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 14:29:05,924 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:05,924 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:05,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:29:06,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:06,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:06,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:06,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1813356792, now seen corresponding path program 2 times [2024-11-10 14:29:06,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:06,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394158938] [2024-11-10 14:29:06,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:06,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:06,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:06,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394158938] [2024-11-10 14:29:06,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394158938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:06,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230935997] [2024-11-10 14:29:06,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:29:06,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:06,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:06,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:29:06,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:29:06,364 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:29:06,364 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:29:06,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 14:29:06,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:06,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-10 14:29:06,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-10 14:29:06,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:06,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-10 14:29:06,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:06,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-10 14:29:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:29:06,680 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:29:06,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230935997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:06,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:29:06,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-10 14:29:06,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532586227] [2024-11-10 14:29:06,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:06,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:29:06,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:06,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:29:06,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 14:29:07,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2024-11-10 14:29:07,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 164 transitions, 376 flow. Second operand has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 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 14:29:07,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:07,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2024-11-10 14:29:07,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:07,778 INFO L124 PetriNetUnfolderBase]: 129/669 cut-off events. [2024-11-10 14:29:07,778 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:29:07,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 669 events. 129/669 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3513 event pairs, 46 based on Foata normal form. 0/612 useless extension candidates. Maximal degree in co-relation 993. Up to 178 conditions per place. [2024-11-10 14:29:07,787 INFO L140 encePairwiseOnDemand]: 151/162 looper letters, 43 selfloop transitions, 22 changer transitions 0/205 dead transitions. [2024-11-10 14:29:07,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 205 transitions, 588 flow [2024-11-10 14:29:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:29:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:29:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 876 transitions. [2024-11-10 14:29:07,791 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2024-11-10 14:29:07,793 INFO L175 Difference]: Start difference. First operand has 173 places, 164 transitions, 376 flow. Second operand 6 states and 876 transitions. [2024-11-10 14:29:07,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 205 transitions, 588 flow [2024-11-10 14:29:07,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 205 transitions, 582 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:07,800 INFO L231 Difference]: Finished difference. Result has 181 places, 186 transitions, 516 flow [2024-11-10 14:29:07,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=516, PETRI_PLACES=181, PETRI_TRANSITIONS=186} [2024-11-10 14:29:07,805 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 20 predicate places. [2024-11-10 14:29:07,805 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 186 transitions, 516 flow [2024-11-10 14:29:07,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 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 14:29:07,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:07,806 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:07,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:29:08,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 14:29:08,010 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:08,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:08,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1212045600, now seen corresponding path program 1 times [2024-11-10 14:29:08,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:08,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140297591] [2024-11-10 14:29:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:08,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:08,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:08,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140297591] [2024-11-10 14:29:08,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140297591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:08,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576708205] [2024-11-10 14:29:08,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:08,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:08,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:08,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:29:08,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:29:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:08,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 14:29:08,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:08,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:29:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:08,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576708205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:29:08,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:29:08,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-10 14:29:08,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421941644] [2024-11-10 14:29:08,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:29:08,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 14:29:08,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:08,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 14:29:08,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 14:29:08,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-10 14:29:08,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 186 transitions, 516 flow. Second operand has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 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 14:29:08,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:08,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-10 14:29:08,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:08,689 INFO L124 PetriNetUnfolderBase]: 41/511 cut-off events. [2024-11-10 14:29:08,690 INFO L125 PetriNetUnfolderBase]: For 83/83 co-relation queries the response was YES. [2024-11-10 14:29:08,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 511 events. 41/511 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2245 event pairs, 16 based on Foata normal form. 4/488 useless extension candidates. Maximal degree in co-relation 811. Up to 55 conditions per place. [2024-11-10 14:29:08,692 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 18 selfloop transitions, 21 changer transitions 0/204 dead transitions. [2024-11-10 14:29:08,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 204 transitions, 682 flow [2024-11-10 14:29:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 14:29:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 14:29:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3088 transitions. [2024-11-10 14:29:08,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9077013521457966 [2024-11-10 14:29:08,697 INFO L175 Difference]: Start difference. First operand has 181 places, 186 transitions, 516 flow. Second operand 21 states and 3088 transitions. [2024-11-10 14:29:08,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 204 transitions, 682 flow [2024-11-10 14:29:08,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 204 transitions, 682 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:08,701 INFO L231 Difference]: Finished difference. Result has 206 places, 199 transitions, 646 flow [2024-11-10 14:29:08,701 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=646, PETRI_PLACES=206, PETRI_TRANSITIONS=199} [2024-11-10 14:29:08,702 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 45 predicate places. [2024-11-10 14:29:08,702 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 199 transitions, 646 flow [2024-11-10 14:29:08,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 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 14:29:08,704 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:08,704 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:08,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:29:08,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:08,905 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:08,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:08,906 INFO L85 PathProgramCache]: Analyzing trace with hash 252436260, now seen corresponding path program 2 times [2024-11-10 14:29:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:08,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482855195] [2024-11-10 14:29:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:09,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:09,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482855195] [2024-11-10 14:29:09,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482855195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:09,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826963701] [2024-11-10 14:29:09,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:29:09,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:09,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:09,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:29:09,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:29:09,263 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:29:09,263 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:29:09,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 14:29:09,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:09,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-10 14:29:09,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-10 14:29:09,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:09,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-10 14:29:09,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:09,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-10 14:29:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-10 14:29:09,378 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:29:09,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826963701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:09,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:29:09,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-10 14:29:09,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159987851] [2024-11-10 14:29:09,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:09,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:29:09,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:09,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:29:09,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-10 14:29:09,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 162 [2024-11-10 14:29:09,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 199 transitions, 646 flow. Second operand has 6 states, 6 states have (on average 131.66666666666666) internal successors, (790), 6 states have internal predecessors, (790), 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 14:29:09,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:09,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 162 [2024-11-10 14:29:09,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:10,029 INFO L124 PetriNetUnfolderBase]: 306/1343 cut-off events. [2024-11-10 14:29:10,029 INFO L125 PetriNetUnfolderBase]: For 301/311 co-relation queries the response was YES. [2024-11-10 14:29:10,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2511 conditions, 1343 events. 306/1343 cut-off events. For 301/311 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 9070 event pairs, 116 based on Foata normal form. 5/1236 useless extension candidates. Maximal degree in co-relation 2494. Up to 464 conditions per place. [2024-11-10 14:29:10,036 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 72 selfloop transitions, 36 changer transitions 2/256 dead transitions. [2024-11-10 14:29:10,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 256 transitions, 1018 flow [2024-11-10 14:29:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:29:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:29:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 862 transitions. [2024-11-10 14:29:10,039 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8868312757201646 [2024-11-10 14:29:10,039 INFO L175 Difference]: Start difference. First operand has 206 places, 199 transitions, 646 flow. Second operand 6 states and 862 transitions. [2024-11-10 14:29:10,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 256 transitions, 1018 flow [2024-11-10 14:29:10,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 256 transitions, 994 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 14:29:10,046 INFO L231 Difference]: Finished difference. Result has 209 places, 231 transitions, 874 flow [2024-11-10 14:29:10,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=874, PETRI_PLACES=209, PETRI_TRANSITIONS=231} [2024-11-10 14:29:10,047 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 48 predicate places. [2024-11-10 14:29:10,048 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 231 transitions, 874 flow [2024-11-10 14:29:10,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.66666666666666) internal successors, (790), 6 states have internal predecessors, (790), 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 14:29:10,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:10,048 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:10,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 14:29:10,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:10,251 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:10,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:10,252 INFO L85 PathProgramCache]: Analyzing trace with hash -533735902, now seen corresponding path program 1 times [2024-11-10 14:29:10,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:10,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070528867] [2024-11-10 14:29:10,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:10,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:10,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:10,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070528867] [2024-11-10 14:29:10,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070528867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:10,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015124925] [2024-11-10 14:29:10,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:10,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:10,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:10,685 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:29:10,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:29:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:10,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:29:10,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:10,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:29:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:11,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015124925] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:29:11,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:29:11,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-10 14:29:11,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644463315] [2024-11-10 14:29:11,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:29:11,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 14:29:11,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:11,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 14:29:11,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-10 14:29:11,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-10 14:29:11,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 231 transitions, 874 flow. Second operand has 23 states, 23 states have (on average 147.08695652173913) internal successors, (3383), 23 states have internal predecessors, (3383), 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 14:29:11,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:11,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-10 14:29:11,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:11,546 INFO L124 PetriNetUnfolderBase]: 120/946 cut-off events. [2024-11-10 14:29:11,546 INFO L125 PetriNetUnfolderBase]: For 485/485 co-relation queries the response was YES. [2024-11-10 14:29:11,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1845 conditions, 946 events. 120/946 cut-off events. For 485/485 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5953 event pairs, 33 based on Foata normal form. 3/890 useless extension candidates. Maximal degree in co-relation 1823. Up to 134 conditions per place. [2024-11-10 14:29:11,551 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 21 selfloop transitions, 30 changer transitions 0/248 dead transitions. [2024-11-10 14:29:11,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 248 transitions, 1098 flow [2024-11-10 14:29:11,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 14:29:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-10 14:29:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4404 transitions. [2024-11-10 14:29:11,558 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9061728395061729 [2024-11-10 14:29:11,558 INFO L175 Difference]: Start difference. First operand has 209 places, 231 transitions, 874 flow. Second operand 30 states and 4404 transitions. [2024-11-10 14:29:11,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 248 transitions, 1098 flow [2024-11-10 14:29:11,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 248 transitions, 1074 flow, removed 12 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:11,566 INFO L231 Difference]: Finished difference. Result has 241 places, 241 transitions, 1002 flow [2024-11-10 14:29:11,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1002, PETRI_PLACES=241, PETRI_TRANSITIONS=241} [2024-11-10 14:29:11,566 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 80 predicate places. [2024-11-10 14:29:11,568 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 241 transitions, 1002 flow [2024-11-10 14:29:11,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 147.08695652173913) internal successors, (3383), 23 states have internal predecessors, (3383), 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 14:29:11,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:11,571 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:11,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 14:29:11,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:11,772 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:11,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:11,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1042901941, now seen corresponding path program 2 times [2024-11-10 14:29:11,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:11,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728583200] [2024-11-10 14:29:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:11,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:12,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:12,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728583200] [2024-11-10 14:29:12,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728583200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:12,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:12,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:29:12,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85376836] [2024-11-10 14:29:12,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:12,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:29:12,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:12,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:29:12,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:29:13,192 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 162 [2024-11-10 14:29:13,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 241 transitions, 1002 flow. Second operand has 6 states, 6 states have (on average 138.5) internal successors, (831), 6 states have internal predecessors, (831), 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 14:29:13,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:13,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 162 [2024-11-10 14:29:13,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:13,399 INFO L124 PetriNetUnfolderBase]: 300/1438 cut-off events. [2024-11-10 14:29:13,399 INFO L125 PetriNetUnfolderBase]: For 918/958 co-relation queries the response was YES. [2024-11-10 14:29:13,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3273 conditions, 1438 events. 300/1438 cut-off events. For 918/958 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 10117 event pairs, 66 based on Foata normal form. 10/1402 useless extension candidates. Maximal degree in co-relation 3247. Up to 443 conditions per place. [2024-11-10 14:29:13,406 INFO L140 encePairwiseOnDemand]: 151/162 looper letters, 79 selfloop transitions, 49 changer transitions 0/307 dead transitions. [2024-11-10 14:29:13,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 307 transitions, 1557 flow [2024-11-10 14:29:13,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:29:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:29:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 886 transitions. [2024-11-10 14:29:13,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.911522633744856 [2024-11-10 14:29:13,408 INFO L175 Difference]: Start difference. First operand has 241 places, 241 transitions, 1002 flow. Second operand 6 states and 886 transitions. [2024-11-10 14:29:13,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 307 transitions, 1557 flow [2024-11-10 14:29:13,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 307 transitions, 1511 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-10 14:29:13,418 INFO L231 Difference]: Finished difference. Result has 232 places, 282 transitions, 1372 flow [2024-11-10 14:29:13,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=956, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1372, PETRI_PLACES=232, PETRI_TRANSITIONS=282} [2024-11-10 14:29:13,419 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 71 predicate places. [2024-11-10 14:29:13,420 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 282 transitions, 1372 flow [2024-11-10 14:29:13,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.5) internal successors, (831), 6 states have internal predecessors, (831), 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 14:29:13,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:13,420 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:13,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:29:13,420 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:13,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1215521977, now seen corresponding path program 1 times [2024-11-10 14:29:13,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:13,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959998436] [2024-11-10 14:29:13,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:13,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:13,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959998436] [2024-11-10 14:29:13,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959998436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:13,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:13,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:29:13,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009725225] [2024-11-10 14:29:13,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:13,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:29:13,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:13,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:29:13,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:29:14,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 162 [2024-11-10 14:29:14,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 282 transitions, 1372 flow. Second operand has 6 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 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 14:29:14,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:14,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 162 [2024-11-10 14:29:14,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:14,549 INFO L124 PetriNetUnfolderBase]: 569/2214 cut-off events. [2024-11-10 14:29:14,550 INFO L125 PetriNetUnfolderBase]: For 2529/2586 co-relation queries the response was YES. [2024-11-10 14:29:14,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5845 conditions, 2214 events. 569/2214 cut-off events. For 2529/2586 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 17303 event pairs, 130 based on Foata normal form. 12/2141 useless extension candidates. Maximal degree in co-relation 5814. Up to 803 conditions per place. [2024-11-10 14:29:14,563 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 118 selfloop transitions, 78 changer transitions 11/376 dead transitions. [2024-11-10 14:29:14,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 376 transitions, 2310 flow [2024-11-10 14:29:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:29:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:29:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 872 transitions. [2024-11-10 14:29:14,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.897119341563786 [2024-11-10 14:29:14,565 INFO L175 Difference]: Start difference. First operand has 232 places, 282 transitions, 1372 flow. Second operand 6 states and 872 transitions. [2024-11-10 14:29:14,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 376 transitions, 2310 flow [2024-11-10 14:29:14,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 376 transitions, 2308 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:14,580 INFO L231 Difference]: Finished difference. Result has 241 places, 330 transitions, 1976 flow [2024-11-10 14:29:14,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1370, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1976, PETRI_PLACES=241, PETRI_TRANSITIONS=330} [2024-11-10 14:29:14,581 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 80 predicate places. [2024-11-10 14:29:14,581 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 330 transitions, 1976 flow [2024-11-10 14:29:14,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 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 14:29:14,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:14,582 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:14,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:29:14,582 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:14,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:14,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1163309094, now seen corresponding path program 1 times [2024-11-10 14:29:14,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:14,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923547768] [2024-11-10 14:29:14,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:14,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:15,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:15,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923547768] [2024-11-10 14:29:15,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923547768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:15,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:15,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:15,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224286899] [2024-11-10 14:29:15,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:15,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:15,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:15,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:15,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:16,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:16,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 330 transitions, 1976 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:16,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:16,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:16,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:17,150 INFO L124 PetriNetUnfolderBase]: 1231/4533 cut-off events. [2024-11-10 14:29:17,151 INFO L125 PetriNetUnfolderBase]: For 9708/9947 co-relation queries the response was YES. [2024-11-10 14:29:17,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14407 conditions, 4533 events. 1231/4533 cut-off events. For 9708/9947 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 42303 event pairs, 134 based on Foata normal form. 159/4641 useless extension candidates. Maximal degree in co-relation 14371. Up to 893 conditions per place. [2024-11-10 14:29:17,178 INFO L140 encePairwiseOnDemand]: 140/162 looper letters, 363 selfloop transitions, 78 changer transitions 91/696 dead transitions. [2024-11-10 14:29:17,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 696 transitions, 6095 flow [2024-11-10 14:29:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 14:29:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-10 14:29:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1944 transitions. [2024-11-10 14:29:17,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2024-11-10 14:29:17,182 INFO L175 Difference]: Start difference. First operand has 241 places, 330 transitions, 1976 flow. Second operand 14 states and 1944 transitions. [2024-11-10 14:29:17,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 696 transitions, 6095 flow [2024-11-10 14:29:17,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 696 transitions, 6009 flow, removed 43 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:17,224 INFO L231 Difference]: Finished difference. Result has 265 places, 403 transitions, 3015 flow [2024-11-10 14:29:17,224 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1942, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3015, PETRI_PLACES=265, PETRI_TRANSITIONS=403} [2024-11-10 14:29:17,225 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 104 predicate places. [2024-11-10 14:29:17,225 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 403 transitions, 3015 flow [2024-11-10 14:29:17,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:17,227 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:17,227 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:17,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:29:17,227 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:17,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:17,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1649125198, now seen corresponding path program 2 times [2024-11-10 14:29:17,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:17,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622423448] [2024-11-10 14:29:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:17,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:18,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622423448] [2024-11-10 14:29:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622423448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:18,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:18,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732863205] [2024-11-10 14:29:18,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:18,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:18,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:19,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:19,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 403 transitions, 3015 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:19,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:19,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:19,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:20,410 INFO L124 PetriNetUnfolderBase]: 1202/4455 cut-off events. [2024-11-10 14:29:20,411 INFO L125 PetriNetUnfolderBase]: For 14033/14316 co-relation queries the response was YES. [2024-11-10 14:29:20,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16385 conditions, 4455 events. 1202/4455 cut-off events. For 14033/14316 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 41902 event pairs, 192 based on Foata normal form. 164/4568 useless extension candidates. Maximal degree in co-relation 16338. Up to 1311 conditions per place. [2024-11-10 14:29:20,443 INFO L140 encePairwiseOnDemand]: 141/162 looper letters, 306 selfloop transitions, 112 changer transitions 60/642 dead transitions. [2024-11-10 14:29:20,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 642 transitions, 6202 flow [2024-11-10 14:29:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:29:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:29:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1651 transitions. [2024-11-10 14:29:20,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8492798353909465 [2024-11-10 14:29:20,447 INFO L175 Difference]: Start difference. First operand has 265 places, 403 transitions, 3015 flow. Second operand 12 states and 1651 transitions. [2024-11-10 14:29:20,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 642 transitions, 6202 flow [2024-11-10 14:29:20,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 642 transitions, 6196 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:20,520 INFO L231 Difference]: Finished difference. Result has 280 places, 438 transitions, 3821 flow [2024-11-10 14:29:20,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=3011, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3821, PETRI_PLACES=280, PETRI_TRANSITIONS=438} [2024-11-10 14:29:20,521 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 119 predicate places. [2024-11-10 14:29:20,521 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 438 transitions, 3821 flow [2024-11-10 14:29:20,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:20,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:20,522 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:20,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:29:20,522 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:20,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:20,523 INFO L85 PathProgramCache]: Analyzing trace with hash 999489718, now seen corresponding path program 3 times [2024-11-10 14:29:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:20,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574505510] [2024-11-10 14:29:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:20,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:21,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:21,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574505510] [2024-11-10 14:29:21,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574505510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:21,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:21,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:21,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299519756] [2024-11-10 14:29:21,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:21,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:21,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:21,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:21,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:22,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:22,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 438 transitions, 3821 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:22,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:22,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:22,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:23,901 INFO L124 PetriNetUnfolderBase]: 1894/6481 cut-off events. [2024-11-10 14:29:23,901 INFO L125 PetriNetUnfolderBase]: For 33072/33514 co-relation queries the response was YES. [2024-11-10 14:29:23,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27999 conditions, 6481 events. 1894/6481 cut-off events. For 33072/33514 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 65291 event pairs, 284 based on Foata normal form. 193/6592 useless extension candidates. Maximal degree in co-relation 27944. Up to 1364 conditions per place. [2024-11-10 14:29:23,958 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 539 selfloop transitions, 111 changer transitions 40/854 dead transitions. [2024-11-10 14:29:23,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 854 transitions, 9854 flow [2024-11-10 14:29:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:29:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:29:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1676 transitions. [2024-11-10 14:29:23,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8621399176954733 [2024-11-10 14:29:23,961 INFO L175 Difference]: Start difference. First operand has 280 places, 438 transitions, 3821 flow. Second operand 12 states and 1676 transitions. [2024-11-10 14:29:23,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 854 transitions, 9854 flow [2024-11-10 14:29:24,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 854 transitions, 9729 flow, removed 49 selfloop flow, removed 5 redundant places. [2024-11-10 14:29:24,374 INFO L231 Difference]: Finished difference. Result has 289 places, 517 transitions, 5355 flow [2024-11-10 14:29:24,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=3760, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5355, PETRI_PLACES=289, PETRI_TRANSITIONS=517} [2024-11-10 14:29:24,375 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 128 predicate places. [2024-11-10 14:29:24,375 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 517 transitions, 5355 flow [2024-11-10 14:29:24,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:24,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:24,376 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:24,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:29:24,376 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:24,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:24,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1052624580, now seen corresponding path program 4 times [2024-11-10 14:29:24,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:24,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580985129] [2024-11-10 14:29:24,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:24,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:25,124 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:25,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:25,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580985129] [2024-11-10 14:29:25,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580985129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:25,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:25,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:25,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894594873] [2024-11-10 14:29:25,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:25,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:25,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:25,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:25,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:26,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:26,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 517 transitions, 5355 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:26,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:26,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:26,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:27,716 INFO L124 PetriNetUnfolderBase]: 1921/6670 cut-off events. [2024-11-10 14:29:27,717 INFO L125 PetriNetUnfolderBase]: For 39450/39914 co-relation queries the response was YES. [2024-11-10 14:29:27,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29880 conditions, 6670 events. 1921/6670 cut-off events. For 39450/39914 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 68182 event pairs, 310 based on Foata normal form. 284/6878 useless extension candidates. Maximal degree in co-relation 29821. Up to 1350 conditions per place. [2024-11-10 14:29:27,757 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 319 selfloop transitions, 183 changer transitions 24/690 dead transitions. [2024-11-10 14:29:27,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 690 transitions, 8094 flow [2024-11-10 14:29:27,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:29:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 14:29:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1521 transitions. [2024-11-10 14:29:27,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8535353535353535 [2024-11-10 14:29:27,759 INFO L175 Difference]: Start difference. First operand has 289 places, 517 transitions, 5355 flow. Second operand 11 states and 1521 transitions. [2024-11-10 14:29:27,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 690 transitions, 8094 flow [2024-11-10 14:29:27,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 690 transitions, 7992 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-10 14:29:27,927 INFO L231 Difference]: Finished difference. Result has 301 places, 524 transitions, 5815 flow [2024-11-10 14:29:27,928 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=5258, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5815, PETRI_PLACES=301, PETRI_TRANSITIONS=524} [2024-11-10 14:29:27,929 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 140 predicate places. [2024-11-10 14:29:27,929 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 524 transitions, 5815 flow [2024-11-10 14:29:27,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:27,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:27,930 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:27,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:29:27,931 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:27,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:27,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1030952988, now seen corresponding path program 5 times [2024-11-10 14:29:27,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:27,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254240039] [2024-11-10 14:29:27,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:27,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:28,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:28,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254240039] [2024-11-10 14:29:28,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254240039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:28,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:28,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:28,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286743455] [2024-11-10 14:29:28,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:28,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:28,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:28,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:28,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:29,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:29,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 524 transitions, 5815 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:29,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:29,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:29,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:31,362 INFO L124 PetriNetUnfolderBase]: 1911/6689 cut-off events. [2024-11-10 14:29:31,363 INFO L125 PetriNetUnfolderBase]: For 48013/48508 co-relation queries the response was YES. [2024-11-10 14:29:31,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31424 conditions, 6689 events. 1911/6689 cut-off events. For 48013/48508 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 68633 event pairs, 304 based on Foata normal form. 235/6841 useless extension candidates. Maximal degree in co-relation 31361. Up to 1350 conditions per place. [2024-11-10 14:29:31,404 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 520 selfloop transitions, 134 changer transitions 31/849 dead transitions. [2024-11-10 14:29:31,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 849 transitions, 10821 flow [2024-11-10 14:29:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:29:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:29:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1673 transitions. [2024-11-10 14:29:31,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.86059670781893 [2024-11-10 14:29:31,410 INFO L175 Difference]: Start difference. First operand has 301 places, 524 transitions, 5815 flow. Second operand 12 states and 1673 transitions. [2024-11-10 14:29:31,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 849 transitions, 10821 flow [2024-11-10 14:29:31,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 849 transitions, 10482 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-10 14:29:31,614 INFO L231 Difference]: Finished difference. Result has 313 places, 550 transitions, 6459 flow [2024-11-10 14:29:31,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=5547, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=6459, PETRI_PLACES=313, PETRI_TRANSITIONS=550} [2024-11-10 14:29:31,615 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 152 predicate places. [2024-11-10 14:29:31,616 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 550 transitions, 6459 flow [2024-11-10 14:29:31,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:31,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:31,617 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:31,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:29:31,617 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:31,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:31,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1289404956, now seen corresponding path program 6 times [2024-11-10 14:29:31,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:31,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959165933] [2024-11-10 14:29:31,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:31,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:32,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:32,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959165933] [2024-11-10 14:29:32,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959165933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:32,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:32,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:32,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189703239] [2024-11-10 14:29:32,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:32,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:32,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:32,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:32,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:33,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:33,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 550 transitions, 6459 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:33,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:33,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:33,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:34,877 INFO L124 PetriNetUnfolderBase]: 2001/7064 cut-off events. [2024-11-10 14:29:34,877 INFO L125 PetriNetUnfolderBase]: For 57791/58308 co-relation queries the response was YES. [2024-11-10 14:29:34,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34183 conditions, 7064 events. 2001/7064 cut-off events. For 57791/58308 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 73650 event pairs, 353 based on Foata normal form. 277/7258 useless extension candidates. Maximal degree in co-relation 34113. Up to 1350 conditions per place. [2024-11-10 14:29:34,920 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 358 selfloop transitions, 191 changer transitions 27/740 dead transitions. [2024-11-10 14:29:34,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 740 transitions, 9707 flow [2024-11-10 14:29:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:29:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 14:29:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1521 transitions. [2024-11-10 14:29:34,923 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8535353535353535 [2024-11-10 14:29:34,923 INFO L175 Difference]: Start difference. First operand has 313 places, 550 transitions, 6459 flow. Second operand 11 states and 1521 transitions. [2024-11-10 14:29:34,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 740 transitions, 9707 flow [2024-11-10 14:29:35,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 740 transitions, 9513 flow, removed 21 selfloop flow, removed 5 redundant places. [2024-11-10 14:29:35,299 INFO L231 Difference]: Finished difference. Result has 324 places, 568 transitions, 7205 flow [2024-11-10 14:29:35,299 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=6283, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7205, PETRI_PLACES=324, PETRI_TRANSITIONS=568} [2024-11-10 14:29:35,299 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 163 predicate places. [2024-11-10 14:29:35,300 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 568 transitions, 7205 flow [2024-11-10 14:29:35,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:35,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:35,300 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:35,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:29:35,301 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:35,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:35,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1709878100, now seen corresponding path program 1 times [2024-11-10 14:29:35,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:35,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416902467] [2024-11-10 14:29:35,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:35,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:35,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:35,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416902467] [2024-11-10 14:29:35,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416902467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:35,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:35,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:35,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46780440] [2024-11-10 14:29:35,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:35,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:35,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:35,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:35,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:36,902 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 162 [2024-11-10 14:29:36,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 568 transitions, 7205 flow. Second operand has 10 states, 10 states have (on average 132.5) internal successors, (1325), 10 states have internal predecessors, (1325), 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 14:29:36,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:36,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 162 [2024-11-10 14:29:36,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:38,460 INFO L124 PetriNetUnfolderBase]: 1739/6646 cut-off events. [2024-11-10 14:29:38,461 INFO L125 PetriNetUnfolderBase]: For 65309/65946 co-relation queries the response was YES. [2024-11-10 14:29:38,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32817 conditions, 6646 events. 1739/6646 cut-off events. For 65309/65946 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 71474 event pairs, 178 based on Foata normal form. 259/6834 useless extension candidates. Maximal degree in co-relation 32741. Up to 1205 conditions per place. [2024-11-10 14:29:38,503 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 473 selfloop transitions, 111 changer transitions 35/842 dead transitions. [2024-11-10 14:29:38,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 842 transitions, 11978 flow [2024-11-10 14:29:38,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:29:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 14:29:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1554 transitions. [2024-11-10 14:29:38,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8720538720538721 [2024-11-10 14:29:38,509 INFO L175 Difference]: Start difference. First operand has 324 places, 568 transitions, 7205 flow. Second operand 11 states and 1554 transitions. [2024-11-10 14:29:38,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 842 transitions, 11978 flow [2024-11-10 14:29:38,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 842 transitions, 11700 flow, removed 55 selfloop flow, removed 3 redundant places. [2024-11-10 14:29:38,907 INFO L231 Difference]: Finished difference. Result has 339 places, 638 transitions, 8188 flow [2024-11-10 14:29:38,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=6997, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8188, PETRI_PLACES=339, PETRI_TRANSITIONS=638} [2024-11-10 14:29:38,908 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 178 predicate places. [2024-11-10 14:29:38,908 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 638 transitions, 8188 flow [2024-11-10 14:29:38,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 132.5) internal successors, (1325), 10 states have internal predecessors, (1325), 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 14:29:38,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:38,909 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:38,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:29:38,909 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:38,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:38,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2068299172, now seen corresponding path program 7 times [2024-11-10 14:29:38,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:38,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500693263] [2024-11-10 14:29:38,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:38,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:39,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:39,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500693263] [2024-11-10 14:29:39,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500693263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:39,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:39,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:39,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22971082] [2024-11-10 14:29:39,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:39,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:39,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:39,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:40,619 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:40,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 638 transitions, 8188 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:40,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:40,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:40,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:42,635 INFO L124 PetriNetUnfolderBase]: 1992/7418 cut-off events. [2024-11-10 14:29:42,635 INFO L125 PetriNetUnfolderBase]: For 72499/73002 co-relation queries the response was YES. [2024-11-10 14:29:42,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37678 conditions, 7418 events. 1992/7418 cut-off events. For 72499/73002 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 79930 event pairs, 360 based on Foata normal form. 232/7560 useless extension candidates. Maximal degree in co-relation 37594. Up to 1435 conditions per place. [2024-11-10 14:29:42,697 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 480 selfloop transitions, 170 changer transitions 40/864 dead transitions. [2024-11-10 14:29:42,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 864 transitions, 12509 flow [2024-11-10 14:29:42,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:29:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:29:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1664 transitions. [2024-11-10 14:29:42,699 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8559670781893004 [2024-11-10 14:29:42,700 INFO L175 Difference]: Start difference. First operand has 339 places, 638 transitions, 8188 flow. Second operand 12 states and 1664 transitions. [2024-11-10 14:29:42,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 864 transitions, 12509 flow [2024-11-10 14:29:43,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 864 transitions, 12459 flow, removed 25 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:43,288 INFO L231 Difference]: Finished difference. Result has 356 places, 659 transitions, 9127 flow [2024-11-10 14:29:43,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=8140, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9127, PETRI_PLACES=356, PETRI_TRANSITIONS=659} [2024-11-10 14:29:43,289 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 195 predicate places. [2024-11-10 14:29:43,289 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 659 transitions, 9127 flow [2024-11-10 14:29:43,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:43,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:43,290 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:43,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:29:43,290 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:43,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:43,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2055075570, now seen corresponding path program 8 times [2024-11-10 14:29:43,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:43,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63067460] [2024-11-10 14:29:43,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:43,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:43,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:43,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63067460] [2024-11-10 14:29:43,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63067460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:43,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:43,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:43,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667850819] [2024-11-10 14:29:43,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:43,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:43,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:43,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:43,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:44,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:44,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 659 transitions, 9127 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:44,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:44,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:44,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:46,777 INFO L124 PetriNetUnfolderBase]: 1965/7263 cut-off events. [2024-11-10 14:29:46,777 INFO L125 PetriNetUnfolderBase]: For 80974/81436 co-relation queries the response was YES. [2024-11-10 14:29:46,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38635 conditions, 7263 events. 1965/7263 cut-off events. For 80974/81436 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 77611 event pairs, 272 based on Foata normal form. 235/7413 useless extension candidates. Maximal degree in co-relation 38544. Up to 1438 conditions per place. [2024-11-10 14:29:46,840 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 519 selfloop transitions, 172 changer transitions 34/899 dead transitions. [2024-11-10 14:29:46,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 899 transitions, 13367 flow [2024-11-10 14:29:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:29:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:29:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1670 transitions. [2024-11-10 14:29:46,842 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8590534979423868 [2024-11-10 14:29:46,842 INFO L175 Difference]: Start difference. First operand has 356 places, 659 transitions, 9127 flow. Second operand 12 states and 1670 transitions. [2024-11-10 14:29:46,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 899 transitions, 13367 flow [2024-11-10 14:29:47,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 899 transitions, 13088 flow, removed 73 selfloop flow, removed 4 redundant places. [2024-11-10 14:29:47,431 INFO L231 Difference]: Finished difference. Result has 366 places, 672 transitions, 9630 flow [2024-11-10 14:29:47,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=8856, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9630, PETRI_PLACES=366, PETRI_TRANSITIONS=672} [2024-11-10 14:29:47,432 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 205 predicate places. [2024-11-10 14:29:47,432 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 672 transitions, 9630 flow [2024-11-10 14:29:47,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:47,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:47,433 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:47,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:29:47,433 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:47,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:47,433 INFO L85 PathProgramCache]: Analyzing trace with hash -39948488, now seen corresponding path program 9 times [2024-11-10 14:29:47,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:47,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480595377] [2024-11-10 14:29:47,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:47,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:48,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:48,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480595377] [2024-11-10 14:29:48,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480595377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:48,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:48,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:48,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666047625] [2024-11-10 14:29:48,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:48,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:48,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:48,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:48,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:49,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:49,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 672 transitions, 9630 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:49,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:49,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:49,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:51,150 INFO L124 PetriNetUnfolderBase]: 1934/7163 cut-off events. [2024-11-10 14:29:51,154 INFO L125 PetriNetUnfolderBase]: For 85036/85490 co-relation queries the response was YES. [2024-11-10 14:29:51,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38704 conditions, 7163 events. 1934/7163 cut-off events. For 85036/85490 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 76454 event pairs, 236 based on Foata normal form. 218/7296 useless extension candidates. Maximal degree in co-relation 38610. Up to 1434 conditions per place. [2024-11-10 14:29:51,204 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 519 selfloop transitions, 161 changer transitions 33/887 dead transitions. [2024-11-10 14:29:51,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 887 transitions, 13404 flow [2024-11-10 14:29:51,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:29:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:29:51,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1669 transitions. [2024-11-10 14:29:51,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8585390946502057 [2024-11-10 14:29:51,207 INFO L175 Difference]: Start difference. First operand has 366 places, 672 transitions, 9630 flow. Second operand 12 states and 1669 transitions. [2024-11-10 14:29:51,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 887 transitions, 13404 flow [2024-11-10 14:29:51,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 887 transitions, 13140 flow, removed 31 selfloop flow, removed 7 redundant places. [2024-11-10 14:29:51,659 INFO L231 Difference]: Finished difference. Result has 372 places, 667 transitions, 9669 flow [2024-11-10 14:29:51,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9387, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9669, PETRI_PLACES=372, PETRI_TRANSITIONS=667} [2024-11-10 14:29:51,659 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 211 predicate places. [2024-11-10 14:29:51,659 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 667 transitions, 9669 flow [2024-11-10 14:29:51,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:51,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:51,660 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:51,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:29:51,660 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:51,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:51,661 INFO L85 PathProgramCache]: Analyzing trace with hash -166423140, now seen corresponding path program 10 times [2024-11-10 14:29:51,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:51,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809010361] [2024-11-10 14:29:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:52,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:52,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809010361] [2024-11-10 14:29:52,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809010361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:52,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:52,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:52,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473542332] [2024-11-10 14:29:52,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:52,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:52,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:52,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:52,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:53,570 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:53,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 667 transitions, 9669 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:53,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:53,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:53,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:55,411 INFO L124 PetriNetUnfolderBase]: 1901/7120 cut-off events. [2024-11-10 14:29:55,412 INFO L125 PetriNetUnfolderBase]: For 85815/86247 co-relation queries the response was YES. [2024-11-10 14:29:55,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38346 conditions, 7120 events. 1901/7120 cut-off events. For 85815/86247 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 76119 event pairs, 289 based on Foata normal form. 262/7301 useless extension candidates. Maximal degree in co-relation 38250. Up to 1425 conditions per place. [2024-11-10 14:29:55,474 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 400 selfloop transitions, 246 changer transitions 31/851 dead transitions. [2024-11-10 14:29:55,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 851 transitions, 13104 flow [2024-11-10 14:29:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:29:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:29:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1645 transitions. [2024-11-10 14:29:55,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8461934156378601 [2024-11-10 14:29:55,476 INFO L175 Difference]: Start difference. First operand has 372 places, 667 transitions, 9669 flow. Second operand 12 states and 1645 transitions. [2024-11-10 14:29:55,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 851 transitions, 13104 flow [2024-11-10 14:29:56,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 851 transitions, 12755 flow, removed 12 selfloop flow, removed 11 redundant places. [2024-11-10 14:29:56,127 INFO L231 Difference]: Finished difference. Result has 375 places, 666 transitions, 9811 flow [2024-11-10 14:29:56,128 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9323, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=246, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9811, PETRI_PLACES=375, PETRI_TRANSITIONS=666} [2024-11-10 14:29:56,128 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 214 predicate places. [2024-11-10 14:29:56,128 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 666 transitions, 9811 flow [2024-11-10 14:29:56,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:56,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:56,129 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:56,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 14:29:56,129 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:29:56,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:56,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1796623602, now seen corresponding path program 11 times [2024-11-10 14:29:56,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:56,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936890266] [2024-11-10 14:29:56,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:56,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:56,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:56,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936890266] [2024-11-10 14:29:56,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936890266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:56,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:56,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:29:56,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94302941] [2024-11-10 14:29:56,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:56,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:56,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:56,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:56,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:57,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:29:57,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 666 transitions, 9811 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:29:57,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:57,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:29:57,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:00,039 INFO L124 PetriNetUnfolderBase]: 1910/7124 cut-off events. [2024-11-10 14:30:00,039 INFO L125 PetriNetUnfolderBase]: For 91129/91562 co-relation queries the response was YES. [2024-11-10 14:30:00,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38573 conditions, 7124 events. 1910/7124 cut-off events. For 91129/91562 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 76197 event pairs, 295 based on Foata normal form. 211/7252 useless extension candidates. Maximal degree in co-relation 38478. Up to 1426 conditions per place. [2024-11-10 14:30:00,093 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 436 selfloop transitions, 212 changer transitions 34/856 dead transitions. [2024-11-10 14:30:00,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 856 transitions, 13425 flow [2024-11-10 14:30:00,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:30:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:30:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1659 transitions. [2024-11-10 14:30:00,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8533950617283951 [2024-11-10 14:30:00,095 INFO L175 Difference]: Start difference. First operand has 375 places, 666 transitions, 9811 flow. Second operand 12 states and 1659 transitions. [2024-11-10 14:30:00,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 856 transitions, 13425 flow [2024-11-10 14:30:00,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 856 transitions, 12889 flow, removed 14 selfloop flow, removed 12 redundant places. [2024-11-10 14:30:00,589 INFO L231 Difference]: Finished difference. Result has 377 places, 670 transitions, 9874 flow [2024-11-10 14:30:00,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9295, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9874, PETRI_PLACES=377, PETRI_TRANSITIONS=670} [2024-11-10 14:30:00,590 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 216 predicate places. [2024-11-10 14:30:00,590 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 670 transitions, 9874 flow [2024-11-10 14:30:00,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:00,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:00,591 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:00,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 14:30:00,591 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:30:00,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash 673023032, now seen corresponding path program 12 times [2024-11-10 14:30:00,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:00,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257911510] [2024-11-10 14:30:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:01,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:01,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257911510] [2024-11-10 14:30:01,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257911510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:01,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:01,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:30:01,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266021979] [2024-11-10 14:30:01,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:01,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:30:01,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:01,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:30:01,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:30:02,585 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:30:02,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 670 transitions, 9874 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:02,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:02,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:30:02,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:04,437 INFO L124 PetriNetUnfolderBase]: 1886/7068 cut-off events. [2024-11-10 14:30:04,437 INFO L125 PetriNetUnfolderBase]: For 88800/89227 co-relation queries the response was YES. [2024-11-10 14:30:04,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37972 conditions, 7068 events. 1886/7068 cut-off events. For 88800/89227 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 75491 event pairs, 320 based on Foata normal form. 225/7207 useless extension candidates. Maximal degree in co-relation 37876. Up to 1419 conditions per place. [2024-11-10 14:30:04,486 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 435 selfloop transitions, 206 changer transitions 37/852 dead transitions. [2024-11-10 14:30:04,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 852 transitions, 13309 flow [2024-11-10 14:30:04,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:30:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:30:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1658 transitions. [2024-11-10 14:30:04,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.852880658436214 [2024-11-10 14:30:04,488 INFO L175 Difference]: Start difference. First operand has 377 places, 670 transitions, 9874 flow. Second operand 12 states and 1658 transitions. [2024-11-10 14:30:04,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 852 transitions, 13309 flow [2024-11-10 14:30:04,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 852 transitions, 12818 flow, removed 33 selfloop flow, removed 8 redundant places. [2024-11-10 14:30:04,931 INFO L231 Difference]: Finished difference. Result has 382 places, 667 transitions, 9790 flow [2024-11-10 14:30:04,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9400, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9790, PETRI_PLACES=382, PETRI_TRANSITIONS=667} [2024-11-10 14:30:04,932 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 221 predicate places. [2024-11-10 14:30:04,932 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 667 transitions, 9790 flow [2024-11-10 14:30:04,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:04,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:04,933 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:04,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 14:30:04,933 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:30:04,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:04,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1171082272, now seen corresponding path program 13 times [2024-11-10 14:30:04,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:04,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687876005] [2024-11-10 14:30:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:04,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:05,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:05,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687876005] [2024-11-10 14:30:05,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687876005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:05,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:05,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:30:05,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970389343] [2024-11-10 14:30:05,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:05,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:30:05,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:05,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:30:05,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:30:06,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:30:06,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 667 transitions, 9790 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:06,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:06,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:30:06,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:08,103 INFO L124 PetriNetUnfolderBase]: 1908/7091 cut-off events. [2024-11-10 14:30:08,103 INFO L125 PetriNetUnfolderBase]: For 87913/88339 co-relation queries the response was YES. [2024-11-10 14:30:08,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38054 conditions, 7091 events. 1908/7091 cut-off events. For 87913/88339 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 75580 event pairs, 320 based on Foata normal form. 181/7188 useless extension candidates. Maximal degree in co-relation 37957. Up to 1410 conditions per place. [2024-11-10 14:30:08,165 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 488 selfloop transitions, 161 changer transitions 42/865 dead transitions. [2024-11-10 14:30:08,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 865 transitions, 13555 flow [2024-11-10 14:30:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:30:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 14:30:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1521 transitions. [2024-11-10 14:30:08,167 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8535353535353535 [2024-11-10 14:30:08,167 INFO L175 Difference]: Start difference. First operand has 382 places, 667 transitions, 9790 flow. Second operand 11 states and 1521 transitions. [2024-11-10 14:30:08,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 865 transitions, 13555 flow [2024-11-10 14:30:08,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 865 transitions, 13029 flow, removed 11 selfloop flow, removed 11 redundant places. [2024-11-10 14:30:08,649 INFO L231 Difference]: Finished difference. Result has 386 places, 677 transitions, 9899 flow [2024-11-10 14:30:08,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9282, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9899, PETRI_PLACES=386, PETRI_TRANSITIONS=677} [2024-11-10 14:30:08,650 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 225 predicate places. [2024-11-10 14:30:08,650 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 677 transitions, 9899 flow [2024-11-10 14:30:08,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:08,651 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:08,651 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:08,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 14:30:08,651 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:30:08,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:08,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1678909956, now seen corresponding path program 14 times [2024-11-10 14:30:08,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:08,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751693070] [2024-11-10 14:30:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:08,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:09,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:09,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751693070] [2024-11-10 14:30:09,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751693070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:09,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:09,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:30:09,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383775667] [2024-11-10 14:30:09,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:09,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:30:09,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:09,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:30:09,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:30:09,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:30:09,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 677 transitions, 9899 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:09,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:09,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:30:09,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:11,914 INFO L124 PetriNetUnfolderBase]: 1926/7191 cut-off events. [2024-11-10 14:30:11,915 INFO L125 PetriNetUnfolderBase]: For 89956/90392 co-relation queries the response was YES. [2024-11-10 14:30:11,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38701 conditions, 7191 events. 1926/7191 cut-off events. For 89956/90392 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 77033 event pairs, 326 based on Foata normal form. 184/7291 useless extension candidates. Maximal degree in co-relation 38601. Up to 1420 conditions per place. [2024-11-10 14:30:11,988 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 482 selfloop transitions, 172 changer transitions 37/865 dead transitions. [2024-11-10 14:30:11,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 865 transitions, 13486 flow [2024-11-10 14:30:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:30:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:30:11,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1661 transitions. [2024-11-10 14:30:11,990 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8544238683127572 [2024-11-10 14:30:11,990 INFO L175 Difference]: Start difference. First operand has 386 places, 677 transitions, 9899 flow. Second operand 12 states and 1661 transitions. [2024-11-10 14:30:11,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 865 transitions, 13486 flow [2024-11-10 14:30:12,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 865 transitions, 13298 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:12,512 INFO L231 Difference]: Finished difference. Result has 395 places, 680 transitions, 10178 flow [2024-11-10 14:30:12,513 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9718, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10178, PETRI_PLACES=395, PETRI_TRANSITIONS=680} [2024-11-10 14:30:12,513 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 234 predicate places. [2024-11-10 14:30:12,513 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 680 transitions, 10178 flow [2024-11-10 14:30:12,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:12,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:12,515 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:12,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 14:30:12,515 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:30:12,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:12,515 INFO L85 PathProgramCache]: Analyzing trace with hash -859360434, now seen corresponding path program 15 times [2024-11-10 14:30:12,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:12,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720504799] [2024-11-10 14:30:12,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:12,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:13,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:13,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720504799] [2024-11-10 14:30:13,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720504799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:13,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:13,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:30:13,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371598961] [2024-11-10 14:30:13,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:13,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:30:13,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:13,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:30:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:30:14,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 162 [2024-11-10 14:30:14,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 680 transitions, 10178 flow. Second operand has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:14,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:14,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 162 [2024-11-10 14:30:14,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:16,204 INFO L124 PetriNetUnfolderBase]: 1890/7124 cut-off events. [2024-11-10 14:30:16,204 INFO L125 PetriNetUnfolderBase]: For 94868/95294 co-relation queries the response was YES. [2024-11-10 14:30:16,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38446 conditions, 7124 events. 1890/7124 cut-off events. For 94868/95294 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 76417 event pairs, 324 based on Foata normal form. 182/7223 useless extension candidates. Maximal degree in co-relation 38344. Up to 1413 conditions per place. [2024-11-10 14:30:16,318 INFO L140 encePairwiseOnDemand]: 143/162 looper letters, 484 selfloop transitions, 167 changer transitions 44/868 dead transitions. [2024-11-10 14:30:16,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 868 transitions, 13787 flow [2024-11-10 14:30:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:30:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:30:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1662 transitions. [2024-11-10 14:30:16,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8549382716049383 [2024-11-10 14:30:16,324 INFO L175 Difference]: Start difference. First operand has 395 places, 680 transitions, 10178 flow. Second operand 12 states and 1662 transitions. [2024-11-10 14:30:16,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 868 transitions, 13787 flow [2024-11-10 14:30:16,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 868 transitions, 13555 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-10 14:30:16,927 INFO L231 Difference]: Finished difference. Result has 405 places, 677 transitions, 10364 flow [2024-11-10 14:30:16,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9953, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10364, PETRI_PLACES=405, PETRI_TRANSITIONS=677} [2024-11-10 14:30:16,932 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 244 predicate places. [2024-11-10 14:30:16,932 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 677 transitions, 10364 flow [2024-11-10 14:30:16,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.1) internal successors, (1281), 10 states have internal predecessors, (1281), 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 14:30:16,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:16,933 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:16,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 14:30:16,934 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:30:16,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:16,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1529865402, now seen corresponding path program 1 times [2024-11-10 14:30:16,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:16,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796584165] [2024-11-10 14:30:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:16,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:30:18,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:18,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796584165] [2024-11-10 14:30:18,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796584165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:18,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:18,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 14:30:18,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335395680] [2024-11-10 14:30:18,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:18,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:30:18,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:18,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:30:18,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:30:19,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 162 [2024-11-10 14:30:19,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 677 transitions, 10364 flow. Second operand has 10 states, 10 states have (on average 131.6) internal successors, (1316), 10 states have internal predecessors, (1316), 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 14:30:19,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:19,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 162 [2024-11-10 14:30:19,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:22,097 INFO L124 PetriNetUnfolderBase]: 1764/6943 cut-off events. [2024-11-10 14:30:22,097 INFO L125 PetriNetUnfolderBase]: For 101969/102449 co-relation queries the response was YES. [2024-11-10 14:30:22,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38010 conditions, 6943 events. 1764/6943 cut-off events. For 101969/102449 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 75416 event pairs, 214 based on Foata normal form. 188/7053 useless extension candidates. Maximal degree in co-relation 37903. Up to 1302 conditions per place. [2024-11-10 14:30:22,179 INFO L140 encePairwiseOnDemand]: 144/162 looper letters, 504 selfloop transitions, 158 changer transitions 15/908 dead transitions. [2024-11-10 14:30:22,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 908 transitions, 14318 flow [2024-11-10 14:30:22,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 14:30:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 14:30:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1700 transitions. [2024-11-10 14:30:22,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744855967078189 [2024-11-10 14:30:22,182 INFO L175 Difference]: Start difference. First operand has 405 places, 677 transitions, 10364 flow. Second operand 12 states and 1700 transitions. [2024-11-10 14:30:22,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 908 transitions, 14318 flow [2024-11-10 14:30:22,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 908 transitions, 13876 flow, removed 25 selfloop flow, removed 11 redundant places. [2024-11-10 14:30:22,839 INFO L231 Difference]: Finished difference. Result has 414 places, 764 transitions, 11789 flow [2024-11-10 14:30:22,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=9992, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11789, PETRI_PLACES=414, PETRI_TRANSITIONS=764} [2024-11-10 14:30:22,840 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, 253 predicate places. [2024-11-10 14:30:22,840 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 764 transitions, 11789 flow [2024-11-10 14:30:22,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 131.6) internal successors, (1316), 10 states have internal predecessors, (1316), 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 14:30:22,841 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:22,841 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:22,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 14:30:22,841 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-10 14:30:22,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:22,841 INFO L85 PathProgramCache]: Analyzing trace with hash 526496556, now seen corresponding path program 2 times [2024-11-10 14:30:22,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:22,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783319065] [2024-11-10 14:30:22,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:22,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat