./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/fibonacci.wvr.c --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/weaver/fibonacci.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:37:37,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:37:37,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:37:37,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:37:37,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:37:37,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:37:37,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:37:37,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:37:37,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:37:37,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:37:37,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:37:37,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:37:37,487 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:37:37,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:37:37,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:37:37,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:37:37,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:37:37,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:37:37,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:37:37,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:37:37,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:37:37,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:37:37,494 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:37:37,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:37:37,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:37:37,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:37:37,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:37:37,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:37:37,496 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:37:37,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:37:37,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:37:37,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:37:37,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:37:37,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:37:37,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:37:37,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:37:37,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:37:37,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:37:37,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:37:37,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:37:37,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:37:37,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2024-11-10 14:37:37,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:37:37,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:37:37,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:37:37,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:37:37,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:37:37,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/fibonacci.wvr.c [2024-11-10 14:37:39,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:37:39,364 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:37:39,365 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/fibonacci.wvr.c [2024-11-10 14:37:39,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433ce3193/fa1f351a395e4e4eb5864f86e20ebbf2/FLAGfb533198c [2024-11-10 14:37:39,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433ce3193/fa1f351a395e4e4eb5864f86e20ebbf2 [2024-11-10 14:37:39,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:37:39,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:37:39,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:37:39,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:37:39,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:37:39,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c956ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39, skipping insertion in model container [2024-11-10 14:37:39,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:37:39,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:37:39,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:37:39,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:37:39,647 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:37:39,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39 WrapperNode [2024-11-10 14:37:39,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:37:39,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:37:39,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:37:39,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:37:39,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,684 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 252 [2024-11-10 14:37:39,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:37:39,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:37:39,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:37:39,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:37:39,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:37:39,709 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:37:39,710 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:37:39,710 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:37:39,714 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (1/1) ... [2024-11-10 14:37:39,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:37:39,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:37:39,762 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 14:37:39,765 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 14:37:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:37:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:37:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:37:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:37:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:37:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:37:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:37:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:37:39,816 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 14:37:39,934 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:37:39,936 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:37:40,383 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:37:40,383 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:37:40,411 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:37:40,414 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:37:40,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:37:40 BoogieIcfgContainer [2024-11-10 14:37:40,414 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:37:40,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:37:40,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:37:40,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:37:40,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:37:39" (1/3) ... [2024-11-10 14:37:40,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24dde3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:37:40, skipping insertion in model container [2024-11-10 14:37:40,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:39" (2/3) ... [2024-11-10 14:37:40,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24dde3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:37:40, skipping insertion in model container [2024-11-10 14:37:40,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:37:40" (3/3) ... [2024-11-10 14:37:40,428 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2024-11-10 14:37:40,446 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:37:40,446 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2024-11-10 14:37:40,446 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:37:40,582 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:37:40,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 704 flow [2024-11-10 14:37:40,783 INFO L124 PetriNetUnfolderBase]: 15/343 cut-off events. [2024-11-10 14:37:40,784 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:37:40,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 343 events. 15/343 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 596 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2024-11-10 14:37:40,796 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 345 transitions, 704 flow [2024-11-10 14:37:40,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 319 places, 326 transitions, 664 flow [2024-11-10 14:37:40,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:37:40,827 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;@460b9098, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:37:40,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-10 14:37:40,835 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:37:40,838 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-10 14:37:40,838 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:37:40,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:40,839 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] [2024-11-10 14:37:40,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:40,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2126213452, now seen corresponding path program 1 times [2024-11-10 14:37:40,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:40,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490836467] [2024-11-10 14:37:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:40,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:41,020 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 14:37:41,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:41,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490836467] [2024-11-10 14:37:41,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490836467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:41,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:41,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680935803] [2024-11-10 14:37:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:41,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:41,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:41,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:41,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:41,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-10 14:37:41,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 326 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:41,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:41,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-10 14:37:41,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:41,252 INFO L124 PetriNetUnfolderBase]: 8/508 cut-off events. [2024-11-10 14:37:41,252 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:37:41,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 508 events. 8/508 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1613 event pairs, 3 based on Foata normal form. 18/456 useless extension candidates. Maximal degree in co-relation 405. Up to 18 conditions per place. [2024-11-10 14:37:41,262 INFO L140 encePairwiseOnDemand]: 331/345 looper letters, 9 selfloop transitions, 2 changer transitions 1/314 dead transitions. [2024-11-10 14:37:41,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 314 transitions, 662 flow [2024-11-10 14:37:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:41,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 980 transitions. [2024-11-10 14:37:41,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2024-11-10 14:37:41,287 INFO L175 Difference]: Start difference. First operand has 319 places, 326 transitions, 664 flow. Second operand 3 states and 980 transitions. [2024-11-10 14:37:41,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 314 transitions, 662 flow [2024-11-10 14:37:41,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 654 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:37:41,301 INFO L231 Difference]: Finished difference. Result has 316 places, 313 transitions, 634 flow [2024-11-10 14:37:41,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=316, PETRI_TRANSITIONS=313} [2024-11-10 14:37:41,310 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -3 predicate places. [2024-11-10 14:37:41,310 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 313 transitions, 634 flow [2024-11-10 14:37:41,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:41,311 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:41,311 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] [2024-11-10 14:37:41,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:37:41,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:41,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:41,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1032821173, now seen corresponding path program 1 times [2024-11-10 14:37:41,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:41,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790360696] [2024-11-10 14:37:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:41,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:41,386 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 14:37:41,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:41,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790360696] [2024-11-10 14:37:41,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790360696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:41,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:41,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:41,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937176899] [2024-11-10 14:37:41,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:41,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:41,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:41,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:41,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:41,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2024-11-10 14:37:41,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 313 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 14:37:41,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:41,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2024-11-10 14:37:41,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:41,527 INFO L124 PetriNetUnfolderBase]: 10/500 cut-off events. [2024-11-10 14:37:41,528 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:37:41,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 500 events. 10/500 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1529 event pairs, 4 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 504. Up to 23 conditions per place. [2024-11-10 14:37:41,533 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-10 14:37:41,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 312 transitions, 660 flow [2024-11-10 14:37:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-10 14:37:41,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2024-11-10 14:37:41,536 INFO L175 Difference]: Start difference. First operand has 316 places, 313 transitions, 634 flow. Second operand 3 states and 963 transitions. [2024-11-10 14:37:41,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 312 transitions, 660 flow [2024-11-10 14:37:41,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:41,542 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 632 flow [2024-11-10 14:37:41,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2024-11-10 14:37:41,544 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -5 predicate places. [2024-11-10 14:37:41,544 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 632 flow [2024-11-10 14:37:41,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 14:37:41,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:41,545 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:41,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:37:41,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:41,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:41,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1234454142, now seen corresponding path program 1 times [2024-11-10 14:37:41,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:41,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408072306] [2024-11-10 14:37:41,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:41,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:41,610 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 14:37:41,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:41,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408072306] [2024-11-10 14:37:41,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408072306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:41,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:41,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:41,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487498725] [2024-11-10 14:37:41,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:41,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:41,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:41,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:41,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:41,653 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-10 14:37:41,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 14:37:41,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:41,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-10 14:37:41,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:41,740 INFO L124 PetriNetUnfolderBase]: 9/611 cut-off events. [2024-11-10 14:37:41,741 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-10 14:37:41,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 611 events. 9/611 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1654 event pairs, 3 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 601. Up to 18 conditions per place. [2024-11-10 14:37:41,748 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-11-10 14:37:41,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 311 transitions, 656 flow [2024-11-10 14:37:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2024-11-10 14:37:41,752 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2024-11-10 14:37:41,752 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 632 flow. Second operand 3 states and 965 transitions. [2024-11-10 14:37:41,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 311 transitions, 656 flow [2024-11-10 14:37:41,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 652 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:41,757 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 630 flow [2024-11-10 14:37:41,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2024-11-10 14:37:41,759 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -6 predicate places. [2024-11-10 14:37:41,759 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 630 flow [2024-11-10 14:37:41,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 14:37:41,760 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:41,760 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] [2024-11-10 14:37:41,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:37:41,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:41,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:41,761 INFO L85 PathProgramCache]: Analyzing trace with hash 185880735, now seen corresponding path program 1 times [2024-11-10 14:37:41,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:41,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087410103] [2024-11-10 14:37:41,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:41,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:41,825 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 14:37:41,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:41,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087410103] [2024-11-10 14:37:41,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087410103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:41,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:41,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:41,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761788548] [2024-11-10 14:37:41,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:41,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:41,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:41,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:41,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:41,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-10 14:37:41,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:41,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:41,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-10 14:37:41,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:41,912 INFO L124 PetriNetUnfolderBase]: 5/410 cut-off events. [2024-11-10 14:37:41,913 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-10 14:37:41,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 410 events. 5/410 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 922 event pairs, 1 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 384. Up to 12 conditions per place. [2024-11-10 14:37:41,917 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-10 14:37:41,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 310 transitions, 650 flow [2024-11-10 14:37:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-10 14:37:41,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-10 14:37:41,920 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 630 flow. Second operand 3 states and 969 transitions. [2024-11-10 14:37:41,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 310 transitions, 650 flow [2024-11-10 14:37:41,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:41,925 INFO L231 Difference]: Finished difference. Result has 312 places, 310 transitions, 628 flow [2024-11-10 14:37:41,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=312, PETRI_TRANSITIONS=310} [2024-11-10 14:37:41,927 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -7 predicate places. [2024-11-10 14:37:41,927 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 310 transitions, 628 flow [2024-11-10 14:37:41,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:41,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:41,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:41,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:37:41,928 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:41,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:41,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1364649892, now seen corresponding path program 1 times [2024-11-10 14:37:41,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:41,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741164757] [2024-11-10 14:37:41,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:41,994 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 14:37:41,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:41,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741164757] [2024-11-10 14:37:41,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741164757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:41,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:41,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:41,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219766014] [2024-11-10 14:37:41,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:41,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:41,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:41,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:41,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:42,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2024-11-10 14:37:42,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 14:37:42,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:42,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2024-11-10 14:37:42,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:42,086 INFO L124 PetriNetUnfolderBase]: 9/409 cut-off events. [2024-11-10 14:37:42,087 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-10 14:37:42,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 409 events. 9/409 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 969 event pairs, 4 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 385. Up to 23 conditions per place. [2024-11-10 14:37:42,090 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-10 14:37:42,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 309 transitions, 654 flow [2024-11-10 14:37:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-10 14:37:42,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2024-11-10 14:37:42,093 INFO L175 Difference]: Start difference. First operand has 312 places, 310 transitions, 628 flow. Second operand 3 states and 963 transitions. [2024-11-10 14:37:42,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 309 transitions, 654 flow [2024-11-10 14:37:42,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 309 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:42,097 INFO L231 Difference]: Finished difference. Result has 311 places, 309 transitions, 626 flow [2024-11-10 14:37:42,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=311, PETRI_TRANSITIONS=309} [2024-11-10 14:37:42,101 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -8 predicate places. [2024-11-10 14:37:42,101 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 309 transitions, 626 flow [2024-11-10 14:37:42,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 14:37:42,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:42,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:42,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:37:42,103 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:42,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:42,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1043745268, now seen corresponding path program 1 times [2024-11-10 14:37:42,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:42,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105727714] [2024-11-10 14:37:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:42,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:42,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:42,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105727714] [2024-11-10 14:37:42,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105727714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:42,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:42,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:42,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152118580] [2024-11-10 14:37:42,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:42,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:42,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:42,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:42,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:42,198 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-10 14:37:42,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 14:37:42,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:42,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-10 14:37:42,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:42,273 INFO L124 PetriNetUnfolderBase]: 8/407 cut-off events. [2024-11-10 14:37:42,273 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-10 14:37:42,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 407 events. 8/407 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 897 event pairs, 3 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 372. Up to 20 conditions per place. [2024-11-10 14:37:42,277 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-10 14:37:42,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 650 flow [2024-11-10 14:37:42,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2024-11-10 14:37:42,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2024-11-10 14:37:42,281 INFO L175 Difference]: Start difference. First operand has 311 places, 309 transitions, 626 flow. Second operand 3 states and 965 transitions. [2024-11-10 14:37:42,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 650 flow [2024-11-10 14:37:42,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 308 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:42,289 INFO L231 Difference]: Finished difference. Result has 310 places, 308 transitions, 624 flow [2024-11-10 14:37:42,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=310, PETRI_TRANSITIONS=308} [2024-11-10 14:37:42,293 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -9 predicate places. [2024-11-10 14:37:42,293 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 308 transitions, 624 flow [2024-11-10 14:37:42,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 14:37:42,294 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:42,294 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:42,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:37:42,295 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:42,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:42,296 INFO L85 PathProgramCache]: Analyzing trace with hash -764383786, now seen corresponding path program 1 times [2024-11-10 14:37:42,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:42,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185544851] [2024-11-10 14:37:42,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:42,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:42,342 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 14:37:42,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:42,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185544851] [2024-11-10 14:37:42,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185544851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:42,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:42,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:42,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812427162] [2024-11-10 14:37:42,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:42,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:42,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:42,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:42,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:42,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-10 14:37:42,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:42,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:42,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-10 14:37:42,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:42,414 INFO L124 PetriNetUnfolderBase]: 4/309 cut-off events. [2024-11-10 14:37:42,414 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-10 14:37:42,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 309 events. 4/309 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 506 event pairs, 1 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 258. Up to 12 conditions per place. [2024-11-10 14:37:42,417 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-11-10 14:37:42,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 307 transitions, 644 flow [2024-11-10 14:37:42,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-10 14:37:42,420 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-10 14:37:42,420 INFO L175 Difference]: Start difference. First operand has 310 places, 308 transitions, 624 flow. Second operand 3 states and 969 transitions. [2024-11-10 14:37:42,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 307 transitions, 644 flow [2024-11-10 14:37:42,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:42,425 INFO L231 Difference]: Finished difference. Result has 309 places, 307 transitions, 622 flow [2024-11-10 14:37:42,426 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=309, PETRI_TRANSITIONS=307} [2024-11-10 14:37:42,426 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -10 predicate places. [2024-11-10 14:37:42,427 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 307 transitions, 622 flow [2024-11-10 14:37:42,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:42,427 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:42,428 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] [2024-11-10 14:37:42,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:37:42,428 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:42,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:42,429 INFO L85 PathProgramCache]: Analyzing trace with hash 660335393, now seen corresponding path program 1 times [2024-11-10 14:37:42,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:42,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136917331] [2024-11-10 14:37:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:42,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:42,482 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 14:37:42,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:42,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136917331] [2024-11-10 14:37:42,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136917331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:42,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:42,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:42,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970570102] [2024-11-10 14:37:42,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:42,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:42,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:42,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:42,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:42,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2024-11-10 14:37:42,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 14:37:42,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:42,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2024-11-10 14:37:42,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:42,575 INFO L124 PetriNetUnfolderBase]: 13/501 cut-off events. [2024-11-10 14:37:42,576 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:37:42,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 501 events. 13/501 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1562 event pairs, 6 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 466. Up to 26 conditions per place. [2024-11-10 14:37:42,579 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/304 dead transitions. [2024-11-10 14:37:42,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 647 flow [2024-11-10 14:37:42,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-10 14:37:42,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2024-11-10 14:37:42,582 INFO L175 Difference]: Start difference. First operand has 309 places, 307 transitions, 622 flow. Second operand 3 states and 961 transitions. [2024-11-10 14:37:42,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 647 flow [2024-11-10 14:37:42,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:42,587 INFO L231 Difference]: Finished difference. Result has 305 places, 303 transitions, 616 flow [2024-11-10 14:37:42,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=305, PETRI_TRANSITIONS=303} [2024-11-10 14:37:42,589 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -14 predicate places. [2024-11-10 14:37:42,589 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 303 transitions, 616 flow [2024-11-10 14:37:42,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 14:37:42,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:42,590 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] [2024-11-10 14:37:42,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:37:42,590 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:42,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1072832060, now seen corresponding path program 1 times [2024-11-10 14:37:42,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:42,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861668902] [2024-11-10 14:37:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:42,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:42,647 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 14:37:42,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:42,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861668902] [2024-11-10 14:37:42,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861668902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:42,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:42,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:42,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331042612] [2024-11-10 14:37:42,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:42,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:42,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:42,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:42,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:42,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2024-11-10 14:37:42,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 303 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 14:37:42,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:42,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2024-11-10 14:37:42,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:42,725 INFO L124 PetriNetUnfolderBase]: 12/399 cut-off events. [2024-11-10 14:37:42,725 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-10 14:37:42,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 399 events. 12/399 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 963 event pairs, 6 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 312. Up to 26 conditions per place. [2024-11-10 14:37:42,728 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/300 dead transitions. [2024-11-10 14:37:42,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 300 transitions, 641 flow [2024-11-10 14:37:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-10 14:37:42,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2024-11-10 14:37:42,731 INFO L175 Difference]: Start difference. First operand has 305 places, 303 transitions, 616 flow. Second operand 3 states and 961 transitions. [2024-11-10 14:37:42,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 300 transitions, 641 flow [2024-11-10 14:37:42,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 300 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:42,735 INFO L231 Difference]: Finished difference. Result has 301 places, 299 transitions, 608 flow [2024-11-10 14:37:42,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=301, PETRI_TRANSITIONS=299} [2024-11-10 14:37:42,736 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -18 predicate places. [2024-11-10 14:37:42,736 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 299 transitions, 608 flow [2024-11-10 14:37:42,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 14:37:42,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:42,737 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:42,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:37:42,738 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:42,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:42,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1613797899, now seen corresponding path program 1 times [2024-11-10 14:37:42,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:42,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494826086] [2024-11-10 14:37:42,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:42,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:42,767 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 14:37:42,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:42,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494826086] [2024-11-10 14:37:42,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494826086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:42,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:42,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:42,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723246420] [2024-11-10 14:37:42,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:42,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:42,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:42,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:42,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:42,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-10 14:37:42,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 299 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 14:37:42,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:42,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-10 14:37:42,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:42,851 INFO L124 PetriNetUnfolderBase]: 11/601 cut-off events. [2024-11-10 14:37:42,852 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:37:42,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 601 events. 11/601 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1809 event pairs, 1 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 429. Up to 20 conditions per place. [2024-11-10 14:37:42,855 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/301 dead transitions. [2024-11-10 14:37:42,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 301 transitions, 650 flow [2024-11-10 14:37:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-10 14:37:42,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2024-11-10 14:37:42,858 INFO L175 Difference]: Start difference. First operand has 301 places, 299 transitions, 608 flow. Second operand 3 states and 971 transitions. [2024-11-10 14:37:42,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 301 transitions, 650 flow [2024-11-10 14:37:42,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 301 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:42,863 INFO L231 Difference]: Finished difference. Result has 299 places, 297 transitions, 609 flow [2024-11-10 14:37:42,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=299, PETRI_TRANSITIONS=297} [2024-11-10 14:37:42,865 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2024-11-10 14:37:42,865 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 297 transitions, 609 flow [2024-11-10 14:37:42,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 14:37:42,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:42,866 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:42,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:37:42,866 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:42,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:42,867 INFO L85 PathProgramCache]: Analyzing trace with hash 376602912, now seen corresponding path program 1 times [2024-11-10 14:37:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:42,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895398526] [2024-11-10 14:37:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:42,927 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 14:37:42,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:42,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895398526] [2024-11-10 14:37:42,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895398526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:42,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:42,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:42,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826110865] [2024-11-10 14:37:42,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:42,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:42,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:42,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:42,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:42,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-10 14:37:42,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 297 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 14:37:42,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:42,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-10 14:37:42,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:43,057 INFO L124 PetriNetUnfolderBase]: 23/749 cut-off events. [2024-11-10 14:37:43,057 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-11-10 14:37:43,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 749 events. 23/749 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3135 event pairs, 7 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 351. Up to 40 conditions per place. [2024-11-10 14:37:43,063 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/299 dead transitions. [2024-11-10 14:37:43,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 299 transitions, 651 flow [2024-11-10 14:37:43,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-10 14:37:43,066 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2024-11-10 14:37:43,066 INFO L175 Difference]: Start difference. First operand has 299 places, 297 transitions, 609 flow. Second operand 3 states and 971 transitions. [2024-11-10 14:37:43,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 299 transitions, 651 flow [2024-11-10 14:37:43,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 299 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:37:43,071 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 613 flow [2024-11-10 14:37:43,072 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2024-11-10 14:37:43,073 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-11-10 14:37:43,073 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 613 flow [2024-11-10 14:37:43,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 14:37:43,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:43,075 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:43,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:37:43,075 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:43,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash 245401299, now seen corresponding path program 1 times [2024-11-10 14:37:43,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:43,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877299283] [2024-11-10 14:37:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:43,135 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 14:37:43,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:43,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877299283] [2024-11-10 14:37:43,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877299283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:43,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:43,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:43,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102993311] [2024-11-10 14:37:43,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:43,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:43,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:43,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:43,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:43,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-11-10 14:37:43,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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 14:37:43,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:43,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-11-10 14:37:43,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:43,329 INFO L124 PetriNetUnfolderBase]: 50/1611 cut-off events. [2024-11-10 14:37:43,329 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-10 14:37:43,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1767 conditions, 1611 events. 50/1611 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10187 event pairs, 22 based on Foata normal form. 0/1465 useless extension candidates. Maximal degree in co-relation 813. Up to 88 conditions per place. [2024-11-10 14:37:43,336 INFO L140 encePairwiseOnDemand]: 341/345 looper letters, 10 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-10 14:37:43,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 296 transitions, 640 flow [2024-11-10 14:37:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-11-10 14:37:43,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2024-11-10 14:37:43,340 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 613 flow. Second operand 3 states and 977 transitions. [2024-11-10 14:37:43,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 296 transitions, 640 flow [2024-11-10 14:37:43,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:37:43,347 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 620 flow [2024-11-10 14:37:43,347 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2024-11-10 14:37:43,348 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-11-10 14:37:43,349 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 620 flow [2024-11-10 14:37:43,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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 14:37:43,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:43,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:43,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:37:43,351 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:43,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash -166088712, now seen corresponding path program 1 times [2024-11-10 14:37:43,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:43,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477827380] [2024-11-10 14:37:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:43,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:43,387 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 14:37:43,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:43,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477827380] [2024-11-10 14:37:43,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477827380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:43,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:43,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:43,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019100723] [2024-11-10 14:37:43,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:43,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:43,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:43,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:43,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:43,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-11-10 14:37:43,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 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 14:37:43,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:43,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-11-10 14:37:43,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:43,515 INFO L124 PetriNetUnfolderBase]: 28/1018 cut-off events. [2024-11-10 14:37:43,515 INFO L125 PetriNetUnfolderBase]: For 7/23 co-relation queries the response was YES. [2024-11-10 14:37:43,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 1018 events. 28/1018 cut-off events. For 7/23 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5052 event pairs, 7 based on Foata normal form. 4/939 useless extension candidates. Maximal degree in co-relation 473. Up to 35 conditions per place. [2024-11-10 14:37:43,524 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-10 14:37:43,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 643 flow [2024-11-10 14:37:43,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-10 14:37:43,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-10 14:37:43,527 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 620 flow. Second operand 3 states and 975 transitions. [2024-11-10 14:37:43,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 643 flow [2024-11-10 14:37:43,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 295 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:43,533 INFO L231 Difference]: Finished difference. Result has 299 places, 294 transitions, 622 flow [2024-11-10 14:37:43,533 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=299, PETRI_TRANSITIONS=294} [2024-11-10 14:37:43,534 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2024-11-10 14:37:43,535 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 294 transitions, 622 flow [2024-11-10 14:37:43,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 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 14:37:43,536 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:43,536 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:43,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:37:43,536 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:43,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1032120239, now seen corresponding path program 1 times [2024-11-10 14:37:43,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:43,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555388179] [2024-11-10 14:37:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:43,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:43,585 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 14:37:43,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:43,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555388179] [2024-11-10 14:37:43,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555388179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:43,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:43,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:43,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414656001] [2024-11-10 14:37:43,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:43,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:43,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:43,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:43,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:43,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-11-10 14:37:43,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 294 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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 14:37:43,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:43,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-11-10 14:37:43,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:43,713 INFO L124 PetriNetUnfolderBase]: 29/797 cut-off events. [2024-11-10 14:37:43,713 INFO L125 PetriNetUnfolderBase]: For 23/26 co-relation queries the response was YES. [2024-11-10 14:37:43,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 797 events. 29/797 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3503 event pairs, 9 based on Foata normal form. 0/743 useless extension candidates. Maximal degree in co-relation 793. Up to 47 conditions per place. [2024-11-10 14:37:43,720 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-11-10 14:37:43,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 294 transitions, 645 flow [2024-11-10 14:37:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-10 14:37:43,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-10 14:37:43,723 INFO L175 Difference]: Start difference. First operand has 299 places, 294 transitions, 622 flow. Second operand 3 states and 975 transitions. [2024-11-10 14:37:43,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 294 transitions, 645 flow [2024-11-10 14:37:43,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 294 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:43,729 INFO L231 Difference]: Finished difference. Result has 298 places, 293 transitions, 620 flow [2024-11-10 14:37:43,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=293} [2024-11-10 14:37:43,730 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-11-10 14:37:43,730 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 293 transitions, 620 flow [2024-11-10 14:37:43,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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 14:37:43,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:43,731 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:43,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:37:43,732 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:43,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:43,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1288840001, now seen corresponding path program 1 times [2024-11-10 14:37:43,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:43,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461092963] [2024-11-10 14:37:43,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:43,782 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 14:37:43,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:43,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461092963] [2024-11-10 14:37:43,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461092963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:43,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:43,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:43,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277273329] [2024-11-10 14:37:43,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:43,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:43,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:43,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:43,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:43,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2024-11-10 14:37:43,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 293 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:43,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:43,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2024-11-10 14:37:43,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:43,953 INFO L124 PetriNetUnfolderBase]: 35/1141 cut-off events. [2024-11-10 14:37:43,953 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-10 14:37:43,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 1141 events. 35/1141 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6289 event pairs, 13 based on Foata normal form. 0/1061 useless extension candidates. Maximal degree in co-relation 1203. Up to 52 conditions per place. [2024-11-10 14:37:43,960 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-10 14:37:43,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 293 transitions, 649 flow [2024-11-10 14:37:43,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-10 14:37:43,963 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-10 14:37:43,963 INFO L175 Difference]: Start difference. First operand has 298 places, 293 transitions, 620 flow. Second operand 3 states and 969 transitions. [2024-11-10 14:37:43,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 293 transitions, 649 flow [2024-11-10 14:37:43,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:43,969 INFO L231 Difference]: Finished difference. Result has 297 places, 292 transitions, 618 flow [2024-11-10 14:37:43,970 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=297, PETRI_TRANSITIONS=292} [2024-11-10 14:37:43,971 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -22 predicate places. [2024-11-10 14:37:43,972 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 292 transitions, 618 flow [2024-11-10 14:37:43,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 14:37:43,973 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:43,973 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:43,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:37:43,973 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:43,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1820727087, now seen corresponding path program 1 times [2024-11-10 14:37:43,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:43,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861846800] [2024-11-10 14:37:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:44,023 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 14:37:44,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:44,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861846800] [2024-11-10 14:37:44,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861846800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:44,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:44,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:44,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847432740] [2024-11-10 14:37:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:44,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:44,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:44,055 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2024-11-10 14:37:44,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 292 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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 14:37:44,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:44,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2024-11-10 14:37:44,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:44,159 INFO L124 PetriNetUnfolderBase]: 35/967 cut-off events. [2024-11-10 14:37:44,159 INFO L125 PetriNetUnfolderBase]: For 25/28 co-relation queries the response was YES. [2024-11-10 14:37:44,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 967 events. 35/967 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4837 event pairs, 15 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 943. Up to 70 conditions per place. [2024-11-10 14:37:44,167 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-10 14:37:44,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 292 transitions, 647 flow [2024-11-10 14:37:44,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-10 14:37:44,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-10 14:37:44,170 INFO L175 Difference]: Start difference. First operand has 297 places, 292 transitions, 618 flow. Second operand 3 states and 969 transitions. [2024-11-10 14:37:44,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 292 transitions, 647 flow [2024-11-10 14:37:44,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 292 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:44,175 INFO L231 Difference]: Finished difference. Result has 296 places, 291 transitions, 616 flow [2024-11-10 14:37:44,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=296, PETRI_TRANSITIONS=291} [2024-11-10 14:37:44,176 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -23 predicate places. [2024-11-10 14:37:44,176 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 291 transitions, 616 flow [2024-11-10 14:37:44,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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 14:37:44,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:44,177 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:44,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:37:44,177 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:44,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:44,178 INFO L85 PathProgramCache]: Analyzing trace with hash -700328448, now seen corresponding path program 1 times [2024-11-10 14:37:44,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:44,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427731599] [2024-11-10 14:37:44,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:44,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:44,218 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 14:37:44,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:44,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427731599] [2024-11-10 14:37:44,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427731599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:44,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:44,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:44,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696401810] [2024-11-10 14:37:44,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:44,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:44,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:44,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:44,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:44,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2024-11-10 14:37:44,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 291 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 14:37:44,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:44,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2024-11-10 14:37:44,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:44,334 INFO L124 PetriNetUnfolderBase]: 19/971 cut-off events. [2024-11-10 14:37:44,334 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2024-11-10 14:37:44,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 971 events. 19/971 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4614 event pairs, 4 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 727. Up to 23 conditions per place. [2024-11-10 14:37:44,341 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 7 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2024-11-10 14:37:44,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 290 transitions, 630 flow [2024-11-10 14:37:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-11-10 14:37:44,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9449275362318841 [2024-11-10 14:37:44,343 INFO L175 Difference]: Start difference. First operand has 296 places, 291 transitions, 616 flow. Second operand 3 states and 978 transitions. [2024-11-10 14:37:44,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 290 transitions, 630 flow [2024-11-10 14:37:44,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 290 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:44,348 INFO L231 Difference]: Finished difference. Result has 295 places, 290 transitions, 612 flow [2024-11-10 14:37:44,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=295, PETRI_TRANSITIONS=290} [2024-11-10 14:37:44,349 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2024-11-10 14:37:44,349 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 290 transitions, 612 flow [2024-11-10 14:37:44,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 14:37:44,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:44,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:44,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:37:44,350 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:44,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:44,351 INFO L85 PathProgramCache]: Analyzing trace with hash -845400119, now seen corresponding path program 1 times [2024-11-10 14:37:44,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:44,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358381245] [2024-11-10 14:37:44,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:44,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:44,386 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 14:37:44,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:44,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358381245] [2024-11-10 14:37:44,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358381245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:44,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:44,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:44,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74166530] [2024-11-10 14:37:44,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:44,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:44,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:44,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:44,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2024-11-10 14:37:44,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 290 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 14:37:44,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:44,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2024-11-10 14:37:44,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:44,471 INFO L124 PetriNetUnfolderBase]: 17/755 cut-off events. [2024-11-10 14:37:44,471 INFO L125 PetriNetUnfolderBase]: For 8/11 co-relation queries the response was YES. [2024-11-10 14:37:44,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 755 events. 17/755 cut-off events. For 8/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3094 event pairs, 5 based on Foata normal form. 4/715 useless extension candidates. Maximal degree in co-relation 815. Up to 28 conditions per place. [2024-11-10 14:37:44,477 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 5 selfloop transitions, 0 changer transitions 4/289 dead transitions. [2024-11-10 14:37:44,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 289 transitions, 624 flow [2024-11-10 14:37:44,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-11-10 14:37:44,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2024-11-10 14:37:44,480 INFO L175 Difference]: Start difference. First operand has 295 places, 290 transitions, 612 flow. Second operand 3 states and 977 transitions. [2024-11-10 14:37:44,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 289 transitions, 624 flow [2024-11-10 14:37:44,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 289 transitions, 623 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:37:44,484 INFO L231 Difference]: Finished difference. Result has 295 places, 285 transitions, 599 flow [2024-11-10 14:37:44,484 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=599, PETRI_PLACES=295, PETRI_TRANSITIONS=285} [2024-11-10 14:37:44,484 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2024-11-10 14:37:44,485 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 285 transitions, 599 flow [2024-11-10 14:37:44,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 14:37:44,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:44,485 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:44,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:37:44,486 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:44,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:44,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1751686413, now seen corresponding path program 1 times [2024-11-10 14:37:44,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:44,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789909413] [2024-11-10 14:37:44,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:44,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:44,524 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 14:37:44,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:44,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789909413] [2024-11-10 14:37:44,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789909413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:44,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:44,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:44,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426926073] [2024-11-10 14:37:44,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:44,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:44,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:44,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:44,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:44,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-10 14:37:44,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 285 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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 14:37:44,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:44,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-10 14:37:44,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:44,654 INFO L124 PetriNetUnfolderBase]: 34/1125 cut-off events. [2024-11-10 14:37:44,654 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-10 14:37:44,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 1125 events. 34/1125 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5581 event pairs, 9 based on Foata normal form. 0/1055 useless extension candidates. Maximal degree in co-relation 1254. Up to 38 conditions per place. [2024-11-10 14:37:44,661 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-10 14:37:44,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 626 flow [2024-11-10 14:37:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-10 14:37:44,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-11-10 14:37:44,664 INFO L175 Difference]: Start difference. First operand has 295 places, 285 transitions, 599 flow. Second operand 3 states and 970 transitions. [2024-11-10 14:37:44,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 626 flow [2024-11-10 14:37:44,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:37:44,668 INFO L231 Difference]: Finished difference. Result has 290 places, 284 transitions, 601 flow [2024-11-10 14:37:44,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=290, PETRI_TRANSITIONS=284} [2024-11-10 14:37:44,669 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -29 predicate places. [2024-11-10 14:37:44,669 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 284 transitions, 601 flow [2024-11-10 14:37:44,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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 14:37:44,670 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:44,670 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:44,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:37:44,670 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:37:44,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:44,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2137139425, now seen corresponding path program 1 times [2024-11-10 14:37:44,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:44,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879194784] [2024-11-10 14:37:44,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:44,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:44,710 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 14:37:44,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:44,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879194784] [2024-11-10 14:37:44,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879194784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:44,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:44,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506646421] [2024-11-10 14:37:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:44,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:44,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:44,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:44,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-10 14:37:44,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 284 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 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 14:37:44,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:44,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-10 14:37:44,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:44,827 INFO L124 PetriNetUnfolderBase]: 28/906 cut-off events. [2024-11-10 14:37:44,827 INFO L125 PetriNetUnfolderBase]: For 30/33 co-relation queries the response was YES. [2024-11-10 14:37:44,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 906 events. 28/906 cut-off events. For 30/33 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4296 event pairs, 9 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 1027. Up to 48 conditions per place. [2024-11-10 14:37:44,833 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 0 selfloop transitions, 0 changer transitions 284/284 dead transitions. [2024-11-10 14:37:44,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 284 transitions, 628 flow [2024-11-10 14:37:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-10 14:37:44,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-11-10 14:37:44,835 INFO L175 Difference]: Start difference. First operand has 290 places, 284 transitions, 601 flow. Second operand 3 states and 970 transitions. [2024-11-10 14:37:44,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 284 transitions, 628 flow [2024-11-10 14:37:44,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:44,838 INFO L231 Difference]: Finished difference. Result has 289 places, 0 transitions, 0 flow [2024-11-10 14:37:44,839 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=289, PETRI_TRANSITIONS=0} [2024-11-10 14:37:44,839 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -30 predicate places. [2024-11-10 14:37:44,839 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 0 transitions, 0 flow [2024-11-10 14:37:44,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 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 14:37:44,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2024-11-10 14:37:44,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-10 14:37:44,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-10 14:37:44,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-10 14:37:44,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-10 14:37:44,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-10 14:37:44,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-10 14:37:44,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-10 14:37:44,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-10 14:37:44,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-10 14:37:44,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-10 14:37:44,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-10 14:37:44,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-10 14:37:44,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-10 14:37:44,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-10 14:37:44,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-10 14:37:44,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-10 14:37:44,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-10 14:37:44,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-10 14:37:44,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-10 14:37:44,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-10 14:37:44,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-10 14:37:44,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-10 14:37:44,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-10 14:37:44,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-10 14:37:44,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-10 14:37:44,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-10 14:37:44,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-10 14:37:44,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-10 14:37:44,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-10 14:37:44,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 14:37:44,850 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:37:44,855 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:37:44,856 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:37:44,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:37:44 BasicIcfg [2024-11-10 14:37:44,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:37:44,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:37:44,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:37:44,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:37:44,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:37:40" (3/4) ... [2024-11-10 14:37:44,863 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:37:44,867 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:37:44,867 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:37:44,872 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-10 14:37:44,873 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:37:44,873 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:37:44,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:37:44,971 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:37:44,971 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:37:44,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:37:44,972 INFO L158 Benchmark]: Toolchain (without parser) took 5576.81ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 114.6MB in the beginning and 188.3MB in the end (delta: -73.7MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2024-11-10 14:37:44,972 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:37:44,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.86ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 100.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:37:44,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.59ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:37:44,975 INFO L158 Benchmark]: Boogie Preprocessor took 23.08ms. Allocated memory is still 151.0MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:37:44,976 INFO L158 Benchmark]: IcfgBuilder took 705.22ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 72.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 14:37:44,976 INFO L158 Benchmark]: TraceAbstraction took 4443.95ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 71.9MB in the beginning and 62.9MB in the end (delta: 9.1MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2024-11-10 14:37:44,976 INFO L158 Benchmark]: Witness Printer took 110.04ms. Allocated memory is still 224.4MB. Free memory was 62.9MB in the beginning and 188.3MB in the end (delta: -125.4MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-10 14:37:44,978 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.86ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 100.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.59ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.08ms. Allocated memory is still 151.0MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 705.22ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 72.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4443.95ms. Allocated memory was 151.0MB in the beginning and 224.4MB in the end (delta: 73.4MB). Free memory was 71.9MB in the beginning and 62.9MB in the end (delta: 9.1MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Witness Printer took 110.04ms. Allocated memory is still 224.4MB. Free memory was 62.9MB in the beginning and 188.3MB in the end (delta: -125.4MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 525 locations, 51 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.2s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 563 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 592 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 99 mSDtfsCounter, 592 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1791 NumberOfCodeBlocks, 1791 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1771 ConstructedInterpolants, 0 QuantifiedInterpolants, 1811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:37:45,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE