./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:24:16,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:24:16,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:24:16,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:24:16,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:24:16,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:24:16,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:24:16,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:24:16,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:24:16,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:24:16,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:24:16,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:24:16,579 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:24:16,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:24:16,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:24:16,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:24:16,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:24:16,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:24:16,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:24:16,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:24:16,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:24:16,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:24:16,583 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:24:16,583 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:24:16,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:24:16,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:24:16,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:24:16,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:24:16,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:24:16,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:24:16,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:24:16,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:24:16,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:24:16,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:24:16,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:24:16,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:24:16,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:24:16,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:24:16,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:24:16,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:24:16,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:24:16,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa [2024-10-24 15:24:16,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:24:16,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:24:16,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:24:16,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:24:16,862 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:24:16,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-10-24 15:24:18,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:24:18,605 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:24:18,605 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-10-24 15:24:18,631 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ef258b38/02d48db6e2af461883f33ad38db2e5a4/FLAG995cd94e8 [2024-10-24 15:24:18,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ef258b38/02d48db6e2af461883f33ad38db2e5a4 [2024-10-24 15:24:18,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:24:18,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:24:18,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:24:18,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:24:18,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:24:18,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:24:18" (1/1) ... [2024-10-24 15:24:18,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713105ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:18, skipping insertion in model container [2024-10-24 15:24:18,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:24:18" (1/1) ... [2024-10-24 15:24:18,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:24:19,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:24:19,527 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:24:19,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:24:19,657 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:24:19,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19 WrapperNode [2024-10-24 15:24:19,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:24:19,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:24:19,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:24:19,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:24:19,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,729 INFO L138 Inliner]: procedures = 371, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 236 [2024-10-24 15:24:19,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:24:19,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:24:19,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:24:19,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:24:19,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:24:19,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:24:19,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:24:19,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:24:19,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (1/1) ... [2024-10-24 15:24:19,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:24:19,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:24:19,841 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) [2024-10-24 15:24:19,847 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 [2024-10-24 15:24:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-24 15:24:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:24:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:24:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:24:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:24:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:24:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-24 15:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:24:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:24:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:24:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:24:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:24:19,899 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:24:20,068 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:24:20,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:24:20,558 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:24:20,558 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:24:20,596 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:24:20,596 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 15:24:20,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:24:20 BoogieIcfgContainer [2024-10-24 15:24:20,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:24:20,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:24:20,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:24:20,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:24:20,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:24:18" (1/3) ... [2024-10-24 15:24:20,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593d04f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:24:20, skipping insertion in model container [2024-10-24 15:24:20,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:24:19" (2/3) ... [2024-10-24 15:24:20,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593d04f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:24:20, skipping insertion in model container [2024-10-24 15:24:20,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:24:20" (3/3) ... [2024-10-24 15:24:20,609 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_09-arraylist.i [2024-10-24 15:24:20,625 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:24:20,626 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-24 15:24:20,626 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:24:20,729 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:24:20,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 278 places, 278 transitions, 560 flow [2024-10-24 15:24:20,906 INFO L124 PetriNetUnfolderBase]: 4/277 cut-off events. [2024-10-24 15:24:20,906 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:24:20,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 277 events. 4/277 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 390 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2024-10-24 15:24:20,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 278 places, 278 transitions, 560 flow [2024-10-24 15:24:20,921 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 277 places, 277 transitions, 557 flow [2024-10-24 15:24:20,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:24:20,943 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;@144b1192, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:24:20,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-10-24 15:24:20,961 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:24:20,961 INFO L124 PetriNetUnfolderBase]: 2/66 cut-off events. [2024-10-24 15:24:20,961 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:24:20,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:20,962 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] [2024-10-24 15:24:20,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:20,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:20,969 INFO L85 PathProgramCache]: Analyzing trace with hash 878129378, now seen corresponding path program 1 times [2024-10-24 15:24:20,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:20,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188390570] [2024-10-24 15:24:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:20,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:21,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:21,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188390570] [2024-10-24 15:24:21,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188390570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:21,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:21,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:21,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113730590] [2024-10-24 15:24:21,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:21,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:21,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:21,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:21,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:22,510 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 278 [2024-10-24 15:24:22,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 277 transitions, 557 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-24 15:24:22,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:22,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 278 [2024-10-24 15:24:22,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:22,806 INFO L124 PetriNetUnfolderBase]: 365/1634 cut-off events. [2024-10-24 15:24:22,807 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:24:22,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2448 conditions, 1634 events. 365/1634 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10140 event pairs, 364 based on Foata normal form. 13/1520 useless extension candidates. Maximal degree in co-relation 2256. Up to 800 conditions per place. [2024-10-24 15:24:22,825 INFO L140 encePairwiseOnDemand]: 263/278 looper letters, 71 selfloop transitions, 10 changer transitions 1/272 dead transitions. [2024-10-24 15:24:22,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 272 transitions, 709 flow [2024-10-24 15:24:22,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1238 transitions. [2024-10-24 15:24:22,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7422062350119905 [2024-10-24 15:24:22,854 INFO L175 Difference]: Start difference. First operand has 277 places, 277 transitions, 557 flow. Second operand 6 states and 1238 transitions. [2024-10-24 15:24:22,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 272 transitions, 709 flow [2024-10-24 15:24:22,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 272 transitions, 708 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:24:22,868 INFO L231 Difference]: Finished difference. Result has 279 places, 271 transitions, 564 flow [2024-10-24 15:24:22,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=564, PETRI_PLACES=279, PETRI_TRANSITIONS=271} [2024-10-24 15:24:22,875 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 2 predicate places. [2024-10-24 15:24:22,875 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 271 transitions, 564 flow [2024-10-24 15:24:22,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-24 15:24:22,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:22,877 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] [2024-10-24 15:24:22,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:24:22,878 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:22,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:22,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1197408328, now seen corresponding path program 1 times [2024-10-24 15:24:22,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:22,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458993574] [2024-10-24 15:24:22,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:22,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:22,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:22,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458993574] [2024-10-24 15:24:22,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458993574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:22,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:22,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:24:22,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639114351] [2024-10-24 15:24:22,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:22,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:24:22,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:22,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:24:22,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:24:22,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 278 [2024-10-24 15:24:22,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 271 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-10-24 15:24:22,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:22,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 278 [2024-10-24 15:24:22,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:23,074 INFO L124 PetriNetUnfolderBase]: 7/458 cut-off events. [2024-10-24 15:24:23,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:24:23,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 458 events. 7/458 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 852 event pairs, 6 based on Foata normal form. 1/425 useless extension candidates. Maximal degree in co-relation 299. Up to 24 conditions per place. [2024-10-24 15:24:23,077 INFO L140 encePairwiseOnDemand]: 275/278 looper letters, 10 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2024-10-24 15:24:23,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 272 transitions, 590 flow [2024-10-24 15:24:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:24:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:24:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 805 transitions. [2024-10-24 15:24:23,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9652278177458034 [2024-10-24 15:24:23,080 INFO L175 Difference]: Start difference. First operand has 279 places, 271 transitions, 564 flow. Second operand 3 states and 805 transitions. [2024-10-24 15:24:23,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 272 transitions, 590 flow [2024-10-24 15:24:23,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 272 transitions, 570 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:24:23,087 INFO L231 Difference]: Finished difference. Result has 276 places, 272 transitions, 556 flow [2024-10-24 15:24:23,088 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=276, PETRI_TRANSITIONS=272} [2024-10-24 15:24:23,089 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -1 predicate places. [2024-10-24 15:24:23,089 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 272 transitions, 556 flow [2024-10-24 15:24:23,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-10-24 15:24:23,091 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:23,091 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] [2024-10-24 15:24:23,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:24:23,091 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:23,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:23,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1109502153, now seen corresponding path program 1 times [2024-10-24 15:24:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:23,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760856259] [2024-10-24 15:24:23,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:23,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:23,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:23,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760856259] [2024-10-24 15:24:23,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760856259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:23,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:23,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:23,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825117650] [2024-10-24 15:24:23,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:23,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:23,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:23,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:23,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:24,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 278 [2024-10-24 15:24:24,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 272 transitions, 556 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-24 15:24:24,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:24,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 278 [2024-10-24 15:24:24,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:24,349 INFO L124 PetriNetUnfolderBase]: 365/1740 cut-off events. [2024-10-24 15:24:24,350 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:24:24,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2600 conditions, 1740 events. 365/1740 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10121 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2417. Up to 830 conditions per place. [2024-10-24 15:24:24,360 INFO L140 encePairwiseOnDemand]: 266/278 looper letters, 71 selfloop transitions, 10 changer transitions 0/270 dead transitions. [2024-10-24 15:24:24,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 270 transitions, 714 flow [2024-10-24 15:24:24,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1235 transitions. [2024-10-24 15:24:24,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7404076738609112 [2024-10-24 15:24:24,364 INFO L175 Difference]: Start difference. First operand has 276 places, 272 transitions, 556 flow. Second operand 6 states and 1235 transitions. [2024-10-24 15:24:24,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 270 transitions, 714 flow [2024-10-24 15:24:24,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 270 transitions, 712 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:24:24,371 INFO L231 Difference]: Finished difference. Result has 278 places, 270 transitions, 570 flow [2024-10-24 15:24:24,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=278, PETRI_TRANSITIONS=270} [2024-10-24 15:24:24,373 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 1 predicate places. [2024-10-24 15:24:24,373 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 270 transitions, 570 flow [2024-10-24 15:24:24,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-24 15:24:24,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:24,374 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] [2024-10-24 15:24:24,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:24:24,375 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:24,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:24,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1776991672, now seen corresponding path program 1 times [2024-10-24 15:24:24,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:24,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136011521] [2024-10-24 15:24:24,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:24,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:24,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:24,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:24,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136011521] [2024-10-24 15:24:24,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136011521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:24,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:24,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:24,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167177106] [2024-10-24 15:24:24,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:24,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:24,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:24,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:24,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:25,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 278 [2024-10-24 15:24:25,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 270 transitions, 570 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2024-10-24 15:24:25,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:25,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 278 [2024-10-24 15:24:25,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:25,562 INFO L124 PetriNetUnfolderBase]: 391/1827 cut-off events. [2024-10-24 15:24:25,562 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-24 15:24:25,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2765 conditions, 1827 events. 391/1827 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10848 event pairs, 390 based on Foata normal form. 0/1696 useless extension candidates. Maximal degree in co-relation 2499. Up to 899 conditions per place. [2024-10-24 15:24:25,572 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 83 selfloop transitions, 5 changer transitions 0/269 dead transitions. [2024-10-24 15:24:25,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 269 transitions, 744 flow [2024-10-24 15:24:25,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1210 transitions. [2024-10-24 15:24:25,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7254196642685852 [2024-10-24 15:24:25,576 INFO L175 Difference]: Start difference. First operand has 278 places, 270 transitions, 570 flow. Second operand 6 states and 1210 transitions. [2024-10-24 15:24:25,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 269 transitions, 744 flow [2024-10-24 15:24:25,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 269 transitions, 724 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:24:25,581 INFO L231 Difference]: Finished difference. Result has 277 places, 269 transitions, 558 flow [2024-10-24 15:24:25,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=558, PETRI_PLACES=277, PETRI_TRANSITIONS=269} [2024-10-24 15:24:25,583 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 0 predicate places. [2024-10-24 15:24:25,583 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 269 transitions, 558 flow [2024-10-24 15:24:25,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2024-10-24 15:24:25,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:25,584 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:25,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:24:25,585 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:25,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:25,585 INFO L85 PathProgramCache]: Analyzing trace with hash -31320805, now seen corresponding path program 1 times [2024-10-24 15:24:25,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:25,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165449449] [2024-10-24 15:24:25,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:25,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165449449] [2024-10-24 15:24:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165449449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:26,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:26,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:26,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927926364] [2024-10-24 15:24:26,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:26,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:26,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:26,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:26,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:26,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 278 [2024-10-24 15:24:26,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 269 transitions, 558 flow. Second operand has 6 states, 6 states have (on average 217.83333333333334) internal successors, (1307), 6 states have internal predecessors, (1307), 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) [2024-10-24 15:24:26,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:26,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 278 [2024-10-24 15:24:26,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:26,906 INFO L124 PetriNetUnfolderBase]: 55/693 cut-off events. [2024-10-24 15:24:26,906 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-24 15:24:26,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 693 events. 55/693 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2625 event pairs, 54 based on Foata normal form. 0/641 useless extension candidates. Maximal degree in co-relation 717. Up to 195 conditions per place. [2024-10-24 15:24:26,909 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 57 selfloop transitions, 5 changer transitions 0/268 dead transitions. [2024-10-24 15:24:26,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 268 transitions, 680 flow [2024-10-24 15:24:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1340 transitions. [2024-10-24 15:24:26,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8033573141486811 [2024-10-24 15:24:26,913 INFO L175 Difference]: Start difference. First operand has 277 places, 269 transitions, 558 flow. Second operand 6 states and 1340 transitions. [2024-10-24 15:24:26,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 268 transitions, 680 flow [2024-10-24 15:24:26,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 268 transitions, 670 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:24:26,917 INFO L231 Difference]: Finished difference. Result has 276 places, 268 transitions, 556 flow [2024-10-24 15:24:26,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=556, PETRI_PLACES=276, PETRI_TRANSITIONS=268} [2024-10-24 15:24:26,919 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -1 predicate places. [2024-10-24 15:24:26,919 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 268 transitions, 556 flow [2024-10-24 15:24:26,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 217.83333333333334) internal successors, (1307), 6 states have internal predecessors, (1307), 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) [2024-10-24 15:24:26,920 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:26,920 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] [2024-10-24 15:24:26,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:24:26,921 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:26,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:26,921 INFO L85 PathProgramCache]: Analyzing trace with hash -222392183, now seen corresponding path program 1 times [2024-10-24 15:24:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:26,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019899083] [2024-10-24 15:24:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:26,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:27,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:27,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019899083] [2024-10-24 15:24:27,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019899083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:27,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:27,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:27,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788886030] [2024-10-24 15:24:27,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:27,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:27,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:27,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:27,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:27,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-24 15:24:27,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 268 transitions, 556 flow. Second operand has 6 states, 6 states have (on average 220.5) internal successors, (1323), 6 states have internal predecessors, (1323), 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) [2024-10-24 15:24:27,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:28,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-24 15:24:28,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:28,161 INFO L124 PetriNetUnfolderBase]: 37/608 cut-off events. [2024-10-24 15:24:28,162 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:24:28,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 608 events. 37/608 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2079 event pairs, 36 based on Foata normal form. 0/569 useless extension candidates. Maximal degree in co-relation 581. Up to 158 conditions per place. [2024-10-24 15:24:28,164 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 53 selfloop transitions, 5 changer transitions 0/267 dead transitions. [2024-10-24 15:24:28,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 267 transitions, 670 flow [2024-10-24 15:24:28,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1355 transitions. [2024-10-24 15:24:28,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8123501199040767 [2024-10-24 15:24:28,168 INFO L175 Difference]: Start difference. First operand has 276 places, 268 transitions, 556 flow. Second operand 6 states and 1355 transitions. [2024-10-24 15:24:28,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 267 transitions, 670 flow [2024-10-24 15:24:28,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 267 transitions, 660 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:24:28,173 INFO L231 Difference]: Finished difference. Result has 275 places, 267 transitions, 554 flow [2024-10-24 15:24:28,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=554, PETRI_PLACES=275, PETRI_TRANSITIONS=267} [2024-10-24 15:24:28,174 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -2 predicate places. [2024-10-24 15:24:28,174 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 267 transitions, 554 flow [2024-10-24 15:24:28,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 220.5) internal successors, (1323), 6 states have internal predecessors, (1323), 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) [2024-10-24 15:24:28,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:28,176 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] [2024-10-24 15:24:28,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:24:28,176 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:28,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:28,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1253977615, now seen corresponding path program 1 times [2024-10-24 15:24:28,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:28,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737965023] [2024-10-24 15:24:28,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:28,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:28,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:28,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:28,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737965023] [2024-10-24 15:24:28,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737965023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:28,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:28,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:28,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986174619] [2024-10-24 15:24:28,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:28,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:28,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:28,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:28,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:28,970 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 278 [2024-10-24 15:24:28,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 267 transitions, 554 flow. Second operand has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 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) [2024-10-24 15:24:28,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:28,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 278 [2024-10-24 15:24:28,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:29,178 INFO L124 PetriNetUnfolderBase]: 365/1732 cut-off events. [2024-10-24 15:24:29,178 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:24:29,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 1732 events. 365/1732 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10049 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2399. Up to 846 conditions per place. [2024-10-24 15:24:29,186 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 79 selfloop transitions, 5 changer transitions 0/266 dead transitions. [2024-10-24 15:24:29,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 266 transitions, 720 flow [2024-10-24 15:24:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2024-10-24 15:24:29,189 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7344124700239808 [2024-10-24 15:24:29,190 INFO L175 Difference]: Start difference. First operand has 275 places, 267 transitions, 554 flow. Second operand 6 states and 1225 transitions. [2024-10-24 15:24:29,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 266 transitions, 720 flow [2024-10-24 15:24:29,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 266 transitions, 710 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:24:29,194 INFO L231 Difference]: Finished difference. Result has 274 places, 266 transitions, 552 flow [2024-10-24 15:24:29,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=274, PETRI_TRANSITIONS=266} [2024-10-24 15:24:29,195 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -3 predicate places. [2024-10-24 15:24:29,195 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 266 transitions, 552 flow [2024-10-24 15:24:29,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 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) [2024-10-24 15:24:29,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:29,196 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] [2024-10-24 15:24:29,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:24:29,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:29,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:29,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1091639508, now seen corresponding path program 1 times [2024-10-24 15:24:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129411359] [2024-10-24 15:24:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:29,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:29,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:29,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129411359] [2024-10-24 15:24:29,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129411359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:29,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:29,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:29,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444240493] [2024-10-24 15:24:29,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:29,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:29,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:29,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:29,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:30,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 278 [2024-10-24 15:24:30,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 266 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 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) [2024-10-24 15:24:30,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:30,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 278 [2024-10-24 15:24:30,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:30,395 INFO L124 PetriNetUnfolderBase]: 365/1730 cut-off events. [2024-10-24 15:24:30,396 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:24:30,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2603 conditions, 1730 events. 365/1730 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10062 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2404. Up to 844 conditions per place. [2024-10-24 15:24:30,404 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 78 selfloop transitions, 5 changer transitions 0/265 dead transitions. [2024-10-24 15:24:30,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 265 transitions, 716 flow [2024-10-24 15:24:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1230 transitions. [2024-10-24 15:24:30,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.737410071942446 [2024-10-24 15:24:30,408 INFO L175 Difference]: Start difference. First operand has 274 places, 266 transitions, 552 flow. Second operand 6 states and 1230 transitions. [2024-10-24 15:24:30,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 265 transitions, 716 flow [2024-10-24 15:24:30,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 265 transitions, 706 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:24:30,412 INFO L231 Difference]: Finished difference. Result has 273 places, 265 transitions, 550 flow [2024-10-24 15:24:30,413 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=550, PETRI_PLACES=273, PETRI_TRANSITIONS=265} [2024-10-24 15:24:30,413 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -4 predicate places. [2024-10-24 15:24:30,414 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 265 transitions, 550 flow [2024-10-24 15:24:30,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 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) [2024-10-24 15:24:30,415 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:30,415 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] [2024-10-24 15:24:30,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:24:30,415 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:30,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash -920480949, now seen corresponding path program 1 times [2024-10-24 15:24:30,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:30,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81985652] [2024-10-24 15:24:30,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:30,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:30,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:30,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81985652] [2024-10-24 15:24:30,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81985652] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:24:30,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812388050] [2024-10-24 15:24:30,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:30,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:30,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:24:30,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 15:24:30,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 15:24:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:30,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 15:24:30,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:24:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:31,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:24:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:31,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812388050] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:24:31,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:24:31,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 15:24:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34067279] [2024-10-24 15:24:31,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:24:31,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 15:24:31,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 15:24:31,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 15:24:31,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 278 [2024-10-24 15:24:31,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 265 transitions, 550 flow. Second operand has 10 states, 10 states have (on average 263.0) internal successors, (2630), 10 states have internal predecessors, (2630), 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) [2024-10-24 15:24:31,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:31,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 278 [2024-10-24 15:24:31,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:31,488 INFO L124 PetriNetUnfolderBase]: 7/551 cut-off events. [2024-10-24 15:24:31,489 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:24:31,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 551 events. 7/551 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 393 event pairs, 6 based on Foata normal form. 2/533 useless extension candidates. Maximal degree in co-relation 244. Up to 24 conditions per place. [2024-10-24 15:24:31,491 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 14 selfloop transitions, 9 changer transitions 0/273 dead transitions. [2024-10-24 15:24:31,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 273 transitions, 614 flow [2024-10-24 15:24:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 15:24:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 15:24:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2374 transitions. [2024-10-24 15:24:31,499 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488409272581935 [2024-10-24 15:24:31,499 INFO L175 Difference]: Start difference. First operand has 273 places, 265 transitions, 550 flow. Second operand 9 states and 2374 transitions. [2024-10-24 15:24:31,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 273 transitions, 614 flow [2024-10-24 15:24:31,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 273 transitions, 604 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:24:31,504 INFO L231 Difference]: Finished difference. Result has 279 places, 271 transitions, 590 flow [2024-10-24 15:24:31,505 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=590, PETRI_PLACES=279, PETRI_TRANSITIONS=271} [2024-10-24 15:24:31,506 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 2 predicate places. [2024-10-24 15:24:31,507 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 271 transitions, 590 flow [2024-10-24 15:24:31,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 263.0) internal successors, (2630), 10 states have internal predecessors, (2630), 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) [2024-10-24 15:24:31,509 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:31,510 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:31,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 15:24:31,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:31,711 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:31,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:31,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1395415573, now seen corresponding path program 2 times [2024-10-24 15:24:31,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:31,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646430367] [2024-10-24 15:24:31,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:31,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:32,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:32,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646430367] [2024-10-24 15:24:32,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646430367] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:24:32,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613635639] [2024-10-24 15:24:32,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:24:32,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:32,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:24:32,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 15:24:32,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 15:24:32,552 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:24:32,553 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:24:32,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 15:24:32,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:24:32,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-24 15:24:32,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-24 15:24:32,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:24:32,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-24 15:24:32,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:24:32,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-24 15:24:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-24 15:24:32,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:24:32,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613635639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:32,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:24:32,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-10-24 15:24:32,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394830835] [2024-10-24 15:24:32,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:32,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:32,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:32,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:32,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:24:33,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-24 15:24:33,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 271 transitions, 590 flow. Second operand has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-24 15:24:33,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:33,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-24 15:24:33,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:33,914 INFO L124 PetriNetUnfolderBase]: 257/1805 cut-off events. [2024-10-24 15:24:33,915 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-24 15:24:33,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2471 conditions, 1805 events. 257/1805 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9078 event pairs, 37 based on Foata normal form. 0/1683 useless extension candidates. Maximal degree in co-relation 2013. Up to 491 conditions per place. [2024-10-24 15:24:33,922 INFO L140 encePairwiseOnDemand]: 255/278 looper letters, 67 selfloop transitions, 70 changer transitions 0/349 dead transitions. [2024-10-24 15:24:33,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 349 transitions, 1020 flow [2024-10-24 15:24:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1434 transitions. [2024-10-24 15:24:33,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597122302158273 [2024-10-24 15:24:33,927 INFO L175 Difference]: Start difference. First operand has 279 places, 271 transitions, 590 flow. Second operand 6 states and 1434 transitions. [2024-10-24 15:24:33,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 349 transitions, 1020 flow [2024-10-24 15:24:33,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 349 transitions, 1014 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-24 15:24:33,934 INFO L231 Difference]: Finished difference. Result has 288 places, 340 transitions, 1046 flow [2024-10-24 15:24:33,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1046, PETRI_PLACES=288, PETRI_TRANSITIONS=340} [2024-10-24 15:24:33,936 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 11 predicate places. [2024-10-24 15:24:33,936 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 340 transitions, 1046 flow [2024-10-24 15:24:33,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-24 15:24:33,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:33,938 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:33,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 15:24:34,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 15:24:34,142 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:34,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:34,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1810345608, now seen corresponding path program 1 times [2024-10-24 15:24:34,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:34,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769132528] [2024-10-24 15:24:34,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:34,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:34,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:34,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769132528] [2024-10-24 15:24:34,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769132528] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:24:34,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726593743] [2024-10-24 15:24:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:34,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:34,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:24:34,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 15:24:34,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 15:24:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:35,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 15:24:35,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:24:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:35,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:24:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:35,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726593743] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:24:35,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:24:35,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-24 15:24:35,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892041666] [2024-10-24 15:24:35,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:24:36,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 15:24:36,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:36,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 15:24:36,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-24 15:24:36,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 278 [2024-10-24 15:24:36,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 340 transitions, 1046 flow. Second operand has 18 states, 18 states have (on average 263.0) internal successors, (4734), 18 states have internal predecessors, (4734), 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) [2024-10-24 15:24:36,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:36,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 278 [2024-10-24 15:24:36,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:36,879 INFO L124 PetriNetUnfolderBase]: 120/1944 cut-off events. [2024-10-24 15:24:36,879 INFO L125 PetriNetUnfolderBase]: For 184/204 co-relation queries the response was YES. [2024-10-24 15:24:36,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2609 conditions, 1944 events. 120/1944 cut-off events. For 184/204 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7308 event pairs, 21 based on Foata normal form. 4/1861 useless extension candidates. Maximal degree in co-relation 1761. Up to 206 conditions per place. [2024-10-24 15:24:36,889 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 19 selfloop transitions, 21 changer transitions 0/358 dead transitions. [2024-10-24 15:24:36,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 358 transitions, 1214 flow [2024-10-24 15:24:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 15:24:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-24 15:24:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 5524 transitions. [2024-10-24 15:24:36,900 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946214457005824 [2024-10-24 15:24:36,900 INFO L175 Difference]: Start difference. First operand has 288 places, 340 transitions, 1046 flow. Second operand 21 states and 5524 transitions. [2024-10-24 15:24:36,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 358 transitions, 1214 flow [2024-10-24 15:24:36,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 358 transitions, 1214 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:24:36,913 INFO L231 Difference]: Finished difference. Result has 313 places, 353 transitions, 1176 flow [2024-10-24 15:24:36,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1176, PETRI_PLACES=313, PETRI_TRANSITIONS=353} [2024-10-24 15:24:36,914 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 36 predicate places. [2024-10-24 15:24:36,914 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 353 transitions, 1176 flow [2024-10-24 15:24:36,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 263.0) internal successors, (4734), 18 states have internal predecessors, (4734), 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) [2024-10-24 15:24:36,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:36,918 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:36,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 15:24:37,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:37,124 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:37,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:37,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1564103736, now seen corresponding path program 2 times [2024-10-24 15:24:37,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:37,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990569050] [2024-10-24 15:24:37,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:37,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:38,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:38,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990569050] [2024-10-24 15:24:38,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990569050] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:24:38,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727259068] [2024-10-24 15:24:38,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:24:38,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:38,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:24:38,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 15:24:38,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 15:24:39,397 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:24:39,398 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:24:39,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 15:24:39,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:24:39,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-24 15:24:39,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-10-24 15:24:39,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:24:39,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-10-24 15:24:39,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:24:39,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-10-24 15:24:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2212 trivial. 0 not checked. [2024-10-24 15:24:39,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:24:39,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727259068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:39,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:24:39,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-24 15:24:39,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764303282] [2024-10-24 15:24:39,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:39,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:39,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-24 15:24:39,920 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-24 15:24:39,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 353 transitions, 1176 flow. Second operand has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 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) [2024-10-24 15:24:39,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:39,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-24 15:24:39,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:40,947 INFO L124 PetriNetUnfolderBase]: 500/3013 cut-off events. [2024-10-24 15:24:40,948 INFO L125 PetriNetUnfolderBase]: For 864/945 co-relation queries the response was YES. [2024-10-24 15:24:40,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5277 conditions, 3013 events. 500/3013 cut-off events. For 864/945 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16106 event pairs, 92 based on Foata normal form. 16/2872 useless extension candidates. Maximal degree in co-relation 4225. Up to 981 conditions per place. [2024-10-24 15:24:40,963 INFO L140 encePairwiseOnDemand]: 255/278 looper letters, 131 selfloop transitions, 130 changer transitions 0/490 dead transitions. [2024-10-24 15:24:40,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 490 transitions, 2348 flow [2024-10-24 15:24:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:40,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1433 transitions. [2024-10-24 15:24:40,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8591127098321343 [2024-10-24 15:24:40,968 INFO L175 Difference]: Start difference. First operand has 313 places, 353 transitions, 1176 flow. Second operand 6 states and 1433 transitions. [2024-10-24 15:24:40,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 490 transitions, 2348 flow [2024-10-24 15:24:40,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 490 transitions, 2324 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-24 15:24:40,981 INFO L231 Difference]: Finished difference. Result has 317 places, 482 transitions, 2380 flow [2024-10-24 15:24:40,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1152, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2380, PETRI_PLACES=317, PETRI_TRANSITIONS=482} [2024-10-24 15:24:40,983 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 40 predicate places. [2024-10-24 15:24:40,983 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 482 transitions, 2380 flow [2024-10-24 15:24:40,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 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) [2024-10-24 15:24:40,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:40,984 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:41,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 15:24:41,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:41,189 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:41,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:41,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1381487699, now seen corresponding path program 1 times [2024-10-24 15:24:41,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:41,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310780475] [2024-10-24 15:24:41,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:41,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:42,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:42,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310780475] [2024-10-24 15:24:42,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310780475] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:24:42,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48732971] [2024-10-24 15:24:42,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:42,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:24:42,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:24:42,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 15:24:42,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 15:24:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:43,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 3111 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 15:24:43,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:24:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:44,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:24:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:45,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48732971] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:24:45,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:24:45,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-10-24 15:24:45,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515265241] [2024-10-24 15:24:45,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:24:45,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-24 15:24:45,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:45,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-24 15:24:45,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-10-24 15:24:45,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 278 [2024-10-24 15:24:45,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 482 transitions, 2380 flow. Second operand has 23 states, 23 states have (on average 263.0869565217391) internal successors, (6051), 23 states have internal predecessors, (6051), 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) [2024-10-24 15:24:45,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:45,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 278 [2024-10-24 15:24:45,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:47,039 INFO L124 PetriNetUnfolderBase]: 381/3024 cut-off events. [2024-10-24 15:24:47,039 INFO L125 PetriNetUnfolderBase]: For 1179/1221 co-relation queries the response was YES. [2024-10-24 15:24:47,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5182 conditions, 3024 events. 381/3024 cut-off events. For 1179/1221 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13245 event pairs, 37 based on Foata normal form. 7/2923 useless extension candidates. Maximal degree in co-relation 3946. Up to 467 conditions per place. [2024-10-24 15:24:47,054 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 22 selfloop transitions, 30 changer transitions 0/499 dead transitions. [2024-10-24 15:24:47,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 499 transitions, 2606 flow [2024-10-24 15:24:47,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-24 15:24:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-10-24 15:24:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 7884 transitions. [2024-10-24 15:24:47,072 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453237410071943 [2024-10-24 15:24:47,073 INFO L175 Difference]: Start difference. First operand has 317 places, 482 transitions, 2380 flow. Second operand 30 states and 7884 transitions. [2024-10-24 15:24:47,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 499 transitions, 2606 flow [2024-10-24 15:24:47,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 499 transitions, 2606 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:24:47,091 INFO L231 Difference]: Finished difference. Result has 350 places, 492 transitions, 2532 flow [2024-10-24 15:24:47,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=2380, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2532, PETRI_PLACES=350, PETRI_TRANSITIONS=492} [2024-10-24 15:24:47,093 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 73 predicate places. [2024-10-24 15:24:47,094 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 492 transitions, 2532 flow [2024-10-24 15:24:47,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 263.0869565217391) internal successors, (6051), 23 states have internal predecessors, (6051), 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) [2024-10-24 15:24:47,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:47,097 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:47,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 15:24:47,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 15:24:47,299 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:47,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:47,299 INFO L85 PathProgramCache]: Analyzing trace with hash -693783104, now seen corresponding path program 2 times [2024-10-24 15:24:47,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:47,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736242091] [2024-10-24 15:24:47,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:24:50,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:50,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736242091] [2024-10-24 15:24:50,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736242091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:50,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:50,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:50,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153473358] [2024-10-24 15:24:50,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:50,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:50,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:50,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:50,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:50,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-24 15:24:50,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 492 transitions, 2532 flow. Second operand has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-24 15:24:50,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:50,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-24 15:24:50,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:52,277 INFO L124 PetriNetUnfolderBase]: 776/4099 cut-off events. [2024-10-24 15:24:52,277 INFO L125 PetriNetUnfolderBase]: For 3388/3613 co-relation queries the response was YES. [2024-10-24 15:24:52,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8629 conditions, 4099 events. 776/4099 cut-off events. For 3388/3613 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22361 event pairs, 65 based on Foata normal form. 52/3986 useless extension candidates. Maximal degree in co-relation 7110. Up to 1323 conditions per place. [2024-10-24 15:24:52,299 INFO L140 encePairwiseOnDemand]: 255/278 looper letters, 251 selfloop transitions, 131 changer transitions 5/630 dead transitions. [2024-10-24 15:24:52,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 630 transitions, 4206 flow [2024-10-24 15:24:52,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1434 transitions. [2024-10-24 15:24:52,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597122302158273 [2024-10-24 15:24:52,302 INFO L175 Difference]: Start difference. First operand has 350 places, 492 transitions, 2532 flow. Second operand 6 states and 1434 transitions. [2024-10-24 15:24:52,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 630 transitions, 4206 flow [2024-10-24 15:24:52,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 630 transitions, 4160 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-10-24 15:24:52,326 INFO L231 Difference]: Finished difference. Result has 342 places, 620 transitions, 3966 flow [2024-10-24 15:24:52,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=2486, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3966, PETRI_PLACES=342, PETRI_TRANSITIONS=620} [2024-10-24 15:24:52,327 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 65 predicate places. [2024-10-24 15:24:52,327 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 620 transitions, 3966 flow [2024-10-24 15:24:52,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-24 15:24:52,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:52,328 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:52,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:24:52,329 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:52,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:52,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1664508093, now seen corresponding path program 1 times [2024-10-24 15:24:52,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:52,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322759433] [2024-10-24 15:24:52,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:52,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:24:55,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:55,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322759433] [2024-10-24 15:24:55,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322759433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:55,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:55,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:24:55,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787420716] [2024-10-24 15:24:55,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:55,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:24:55,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:55,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:24:55,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:24:55,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 278 [2024-10-24 15:24:55,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 620 transitions, 3966 flow. Second operand has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-24 15:24:55,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:55,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 278 [2024-10-24 15:24:55,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:57,366 INFO L124 PetriNetUnfolderBase]: 1308/5497 cut-off events. [2024-10-24 15:24:57,366 INFO L125 PetriNetUnfolderBase]: For 4851/4908 co-relation queries the response was YES. [2024-10-24 15:24:57,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13376 conditions, 5497 events. 1308/5497 cut-off events. For 4851/4908 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33872 event pairs, 369 based on Foata normal form. 11/5263 useless extension candidates. Maximal degree in co-relation 11796. Up to 2549 conditions per place. [2024-10-24 15:24:57,401 INFO L140 encePairwiseOnDemand]: 259/278 looper letters, 316 selfloop transitions, 84 changer transitions 0/699 dead transitions. [2024-10-24 15:24:57,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 699 transitions, 5164 flow [2024-10-24 15:24:57,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:24:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:24:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1312 transitions. [2024-10-24 15:24:57,404 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865707434052758 [2024-10-24 15:24:57,405 INFO L175 Difference]: Start difference. First operand has 342 places, 620 transitions, 3966 flow. Second operand 6 states and 1312 transitions. [2024-10-24 15:24:57,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 699 transitions, 5164 flow [2024-10-24 15:24:57,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 699 transitions, 4910 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-10-24 15:24:57,437 INFO L231 Difference]: Finished difference. Result has 351 places, 691 transitions, 4502 flow [2024-10-24 15:24:57,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=3718, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4502, PETRI_PLACES=351, PETRI_TRANSITIONS=691} [2024-10-24 15:24:57,439 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 74 predicate places. [2024-10-24 15:24:57,439 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 691 transitions, 4502 flow [2024-10-24 15:24:57,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-24 15:24:57,440 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:57,440 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:57,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:24:57,441 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:57,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:57,441 INFO L85 PathProgramCache]: Analyzing trace with hash 4251956, now seen corresponding path program 1 times [2024-10-24 15:24:57,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:57,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300623297] [2024-10-24 15:24:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:57,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:24:58,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:58,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300623297] [2024-10-24 15:24:58,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300623297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:58,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:58,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:24:58,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326888706] [2024-10-24 15:24:58,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:58,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:24:58,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:58,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:24:58,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:24:58,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 278 [2024-10-24 15:24:58,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 691 transitions, 4502 flow. Second operand has 3 states, 3 states have (on average 270.3333333333333) internal successors, (811), 3 states have internal predecessors, (811), 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) [2024-10-24 15:24:58,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:58,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 278 [2024-10-24 15:24:58,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:58,899 INFO L124 PetriNetUnfolderBase]: 3/1376 cut-off events. [2024-10-24 15:24:58,899 INFO L125 PetriNetUnfolderBase]: For 222/223 co-relation queries the response was YES. [2024-10-24 15:24:58,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 1376 events. 3/1376 cut-off events. For 222/223 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 562 event pairs, 1 based on Foata normal form. 3/1364 useless extension candidates. Maximal degree in co-relation 1480. Up to 51 conditions per place. [2024-10-24 15:24:58,904 INFO L140 encePairwiseOnDemand]: 274/278 looper letters, 2 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2024-10-24 15:24:58,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 291 transitions, 1022 flow [2024-10-24 15:24:58,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:24:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:24:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions. [2024-10-24 15:24:58,906 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9772182254196643 [2024-10-24 15:24:58,906 INFO L175 Difference]: Start difference. First operand has 351 places, 691 transitions, 4502 flow. Second operand 3 states and 815 transitions. [2024-10-24 15:24:58,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 291 transitions, 1022 flow [2024-10-24 15:24:58,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 291 transitions, 818 flow, removed 62 selfloop flow, removed 36 redundant places. [2024-10-24 15:24:58,916 INFO L231 Difference]: Finished difference. Result has 313 places, 291 transitions, 814 flow [2024-10-24 15:24:58,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=313, PETRI_TRANSITIONS=291} [2024-10-24 15:24:58,917 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 36 predicate places. [2024-10-24 15:24:58,917 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 291 transitions, 814 flow [2024-10-24 15:24:58,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 270.3333333333333) internal successors, (811), 3 states have internal predecessors, (811), 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) [2024-10-24 15:24:58,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:58,919 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:58,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:24:58,919 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:24:58,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:58,920 INFO L85 PathProgramCache]: Analyzing trace with hash 746132162, now seen corresponding path program 1 times [2024-10-24 15:24:58,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:58,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047146635] [2024-10-24 15:24:58,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:58,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:25:01,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:01,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047146635] [2024-10-24 15:25:01,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047146635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:01,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:01,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:25:01,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858530998] [2024-10-24 15:25:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:01,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:25:01,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:01,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:25:01,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:25:02,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 278 [2024-10-24 15:25:02,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 291 transitions, 814 flow. Second operand has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-24 15:25:02,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:02,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 278 [2024-10-24 15:25:02,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:02,480 INFO L124 PetriNetUnfolderBase]: 3/1373 cut-off events. [2024-10-24 15:25:02,480 INFO L125 PetriNetUnfolderBase]: For 137/142 co-relation queries the response was YES. [2024-10-24 15:25:02,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2009 conditions, 1373 events. 3/1373 cut-off events. For 137/142 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 542 event pairs, 1 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 1712. Up to 456 conditions per place. [2024-10-24 15:25:02,485 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 74 selfloop transitions, 5 changer transitions 0/290 dead transitions. [2024-10-24 15:25:02,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 290 transitions, 970 flow [2024-10-24 15:25:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:25:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:25:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1250 transitions. [2024-10-24 15:25:02,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.749400479616307 [2024-10-24 15:25:02,487 INFO L175 Difference]: Start difference. First operand has 313 places, 291 transitions, 814 flow. Second operand 6 states and 1250 transitions. [2024-10-24 15:25:02,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 290 transitions, 970 flow [2024-10-24 15:25:02,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 290 transitions, 963 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:25:02,497 INFO L231 Difference]: Finished difference. Result has 315 places, 290 transitions, 815 flow [2024-10-24 15:25:02,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=815, PETRI_PLACES=315, PETRI_TRANSITIONS=290} [2024-10-24 15:25:02,498 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 38 predicate places. [2024-10-24 15:25:02,498 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 290 transitions, 815 flow [2024-10-24 15:25:02,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-24 15:25:02,500 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:02,500 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:02,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:25:02,501 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:25:02,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:02,501 INFO L85 PathProgramCache]: Analyzing trace with hash -565036837, now seen corresponding path program 1 times [2024-10-24 15:25:02,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:02,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276569788] [2024-10-24 15:25:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:02,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:25:05,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:05,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276569788] [2024-10-24 15:25:05,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276569788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:05,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:05,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:25:05,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169391943] [2024-10-24 15:25:05,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:05,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:25:05,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:05,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:25:05,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:25:05,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 278 [2024-10-24 15:25:05,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 290 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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) [2024-10-24 15:25:05,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:05,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 278 [2024-10-24 15:25:05,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:05,831 INFO L124 PetriNetUnfolderBase]: 5/1404 cut-off events. [2024-10-24 15:25:05,831 INFO L125 PetriNetUnfolderBase]: For 134/135 co-relation queries the response was YES. [2024-10-24 15:25:05,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1943 conditions, 1404 events. 5/1404 cut-off events. For 134/135 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 661 event pairs, 3 based on Foata normal form. 0/1395 useless extension candidates. Maximal degree in co-relation 1652. Up to 345 conditions per place. [2024-10-24 15:25:05,835 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 52 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-10-24 15:25:05,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 289 transitions, 927 flow [2024-10-24 15:25:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:25:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:25:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1365 transitions. [2024-10-24 15:25:05,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8183453237410072 [2024-10-24 15:25:05,837 INFO L175 Difference]: Start difference. First operand has 315 places, 290 transitions, 815 flow. Second operand 6 states and 1365 transitions. [2024-10-24 15:25:05,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 289 transitions, 927 flow [2024-10-24 15:25:05,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 289 transitions, 917 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:25:05,845 INFO L231 Difference]: Finished difference. Result has 314 places, 289 transitions, 813 flow [2024-10-24 15:25:05,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=813, PETRI_PLACES=314, PETRI_TRANSITIONS=289} [2024-10-24 15:25:05,847 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 37 predicate places. [2024-10-24 15:25:05,848 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 289 transitions, 813 flow [2024-10-24 15:25:05,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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) [2024-10-24 15:25:05,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:05,852 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:05,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:25:05,853 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:25:05,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash 645988609, now seen corresponding path program 1 times [2024-10-24 15:25:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:05,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40269867] [2024-10-24 15:25:05,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:05,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:25:08,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:08,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40269867] [2024-10-24 15:25:08,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40269867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:08,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:08,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:25:08,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745449307] [2024-10-24 15:25:08,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:08,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:25:08,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:08,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:25:08,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:25:08,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-24 15:25:08,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 289 transitions, 813 flow. Second operand has 6 states, 6 states have (on average 223.5) internal successors, (1341), 6 states have internal predecessors, (1341), 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) [2024-10-24 15:25:08,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:08,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-24 15:25:08,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:09,243 INFO L124 PetriNetUnfolderBase]: 3/1367 cut-off events. [2024-10-24 15:25:09,243 INFO L125 PetriNetUnfolderBase]: For 133/134 co-relation queries the response was YES. [2024-10-24 15:25:09,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1367 events. 3/1367 cut-off events. For 133/134 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 508 event pairs, 1 based on Foata normal form. 0/1364 useless extension candidates. Maximal degree in co-relation 1653. Up to 351 conditions per place. [2024-10-24 15:25:09,246 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 54 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-10-24 15:25:09,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 288 transitions, 929 flow [2024-10-24 15:25:09,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:25:09,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:25:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1355 transitions. [2024-10-24 15:25:09,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8123501199040767 [2024-10-24 15:25:09,248 INFO L175 Difference]: Start difference. First operand has 314 places, 289 transitions, 813 flow. Second operand 6 states and 1355 transitions. [2024-10-24 15:25:09,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 288 transitions, 929 flow [2024-10-24 15:25:09,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 288 transitions, 919 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:25:09,254 INFO L231 Difference]: Finished difference. Result has 313 places, 288 transitions, 811 flow [2024-10-24 15:25:09,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=811, PETRI_PLACES=313, PETRI_TRANSITIONS=288} [2024-10-24 15:25:09,255 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 36 predicate places. [2024-10-24 15:25:09,255 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 288 transitions, 811 flow [2024-10-24 15:25:09,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.5) internal successors, (1341), 6 states have internal predecessors, (1341), 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) [2024-10-24 15:25:09,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:09,256 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:09,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:25:09,257 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:25:09,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash -692280238, now seen corresponding path program 1 times [2024-10-24 15:25:09,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:09,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910529635] [2024-10-24 15:25:09,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:09,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:25:11,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:11,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910529635] [2024-10-24 15:25:11,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910529635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:11,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:11,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:25:11,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364399528] [2024-10-24 15:25:11,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:11,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:25:11,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:11,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:25:11,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:25:11,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 278 [2024-10-24 15:25:11,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 288 transitions, 811 flow. Second operand has 6 states, 6 states have (on average 200.5) internal successors, (1203), 6 states have internal predecessors, (1203), 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) [2024-10-24 15:25:11,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:11,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 278 [2024-10-24 15:25:11,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:12,118 INFO L124 PetriNetUnfolderBase]: 3/1364 cut-off events. [2024-10-24 15:25:12,118 INFO L125 PetriNetUnfolderBase]: For 135/140 co-relation queries the response was YES. [2024-10-24 15:25:12,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2027 conditions, 1364 events. 3/1364 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 493 event pairs, 1 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 1793. Up to 473 conditions per place. [2024-10-24 15:25:12,121 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 80 selfloop transitions, 5 changer transitions 0/287 dead transitions. [2024-10-24 15:25:12,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 287 transitions, 979 flow [2024-10-24 15:25:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:25:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:25:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2024-10-24 15:25:12,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7344124700239808 [2024-10-24 15:25:12,124 INFO L175 Difference]: Start difference. First operand has 313 places, 288 transitions, 811 flow. Second operand 6 states and 1225 transitions. [2024-10-24 15:25:12,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 287 transitions, 979 flow [2024-10-24 15:25:12,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 287 transitions, 969 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:25:12,130 INFO L231 Difference]: Finished difference. Result has 312 places, 287 transitions, 809 flow [2024-10-24 15:25:12,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=312, PETRI_TRANSITIONS=287} [2024-10-24 15:25:12,131 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 35 predicate places. [2024-10-24 15:25:12,132 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 287 transitions, 809 flow [2024-10-24 15:25:12,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.5) internal successors, (1203), 6 states have internal predecessors, (1203), 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) [2024-10-24 15:25:12,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:12,133 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:12,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 15:25:12,133 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-24 15:25:12,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:12,133 INFO L85 PathProgramCache]: Analyzing trace with hash -240703913, now seen corresponding path program 1 times [2024-10-24 15:25:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:12,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420203844] [2024-10-24 15:25:12,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-24 15:25:14,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:14,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420203844] [2024-10-24 15:25:14,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420203844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:14,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:14,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:25:14,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68755983] [2024-10-24 15:25:14,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:14,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:25:14,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:14,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:25:14,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:25:14,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 278 [2024-10-24 15:25:14,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 287 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 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) [2024-10-24 15:25:14,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:14,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 278 [2024-10-24 15:25:14,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:15,190 INFO L124 PetriNetUnfolderBase]: 3/1361 cut-off events. [2024-10-24 15:25:15,190 INFO L125 PetriNetUnfolderBase]: For 135/140 co-relation queries the response was YES. [2024-10-24 15:25:15,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2021 conditions, 1361 events. 3/1361 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 475 event pairs, 1 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 1832. Up to 470 conditions per place. [2024-10-24 15:25:15,193 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 0 selfloop transitions, 0 changer transitions 286/286 dead transitions. [2024-10-24 15:25:15,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 286 transitions, 975 flow [2024-10-24 15:25:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:25:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:25:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1230 transitions. [2024-10-24 15:25:15,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.737410071942446 [2024-10-24 15:25:15,195 INFO L175 Difference]: Start difference. First operand has 312 places, 287 transitions, 809 flow. Second operand 6 states and 1230 transitions. [2024-10-24 15:25:15,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 286 transitions, 975 flow [2024-10-24 15:25:15,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 286 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:25:15,200 INFO L231 Difference]: Finished difference. Result has 311 places, 0 transitions, 0 flow [2024-10-24 15:25:15,200 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=311, PETRI_TRANSITIONS=0} [2024-10-24 15:25:15,201 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 34 predicate places. [2024-10-24 15:25:15,201 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 0 transitions, 0 flow [2024-10-24 15:25:15,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 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) [2024-10-24 15:25:15,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2024-10-24 15:25:15,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-10-24 15:25:15,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-10-24 15:25:15,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-10-24 15:25:15,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-10-24 15:25:15,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-10-24 15:25:15,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-10-24 15:25:15,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-10-24 15:25:15,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-10-24 15:25:15,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-10-24 15:25:15,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-10-24 15:25:15,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-10-24 15:25:15,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 25 remaining) [2024-10-24 15:25:15,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-10-24 15:25:15,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-10-24 15:25:15,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-10-24 15:25:15,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-10-24 15:25:15,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-10-24 15:25:15,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-10-24 15:25:15,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-10-24 15:25:15,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-10-24 15:25:15,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-10-24 15:25:15,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-10-24 15:25:15,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-10-24 15:25:15,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-10-24 15:25:15,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 15:25:15,208 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:15,213 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:25:15,213 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:25:15,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:25:15 BasicIcfg [2024-10-24 15:25:15,217 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:25:15,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:25:15,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:25:15,218 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:25:15,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:24:20" (3/4) ... [2024-10-24 15:25:15,219 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:25:15,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-24 15:25:15,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-24 15:25:15,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:25:15,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-24 15:25:15,323 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:25:15,324 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:25:15,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:25:15,325 INFO L158 Benchmark]: Toolchain (without parser) took 56450.13ms. Allocated memory was 180.4MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 110.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-10-24 15:25:15,325 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:15,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.78ms. Allocated memory is still 180.4MB. Free memory was 110.0MB in the beginning and 120.3MB in the end (delta: -10.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-10-24 15:25:15,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.47ms. Allocated memory is still 180.4MB. Free memory was 120.3MB in the beginning and 116.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:25:15,326 INFO L158 Benchmark]: Boogie Preprocessor took 66.62ms. Allocated memory is still 180.4MB. Free memory was 116.1MB in the beginning and 112.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:25:15,326 INFO L158 Benchmark]: RCFGBuilder took 798.78ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 76.5MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-24 15:25:15,327 INFO L158 Benchmark]: TraceAbstraction took 54616.94ms. Allocated memory was 180.4MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 75.3MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-10-24 15:25:15,327 INFO L158 Benchmark]: Witness Printer took 106.73ms. Allocated memory is still 3.4GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:25:15,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.78ms. Allocated memory is still 180.4MB. Free memory was 110.0MB in the beginning and 120.3MB in the end (delta: -10.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.47ms. Allocated memory is still 180.4MB. Free memory was 120.3MB in the beginning and 116.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.62ms. Allocated memory is still 180.4MB. Free memory was 116.1MB in the beginning and 112.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 798.78ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 76.5MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 54616.94ms. Allocated memory was 180.4MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 75.3MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 106.73ms. Allocated memory is still 3.4GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1264]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1264]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1265]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1259]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1260]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: 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 3 procedures, 366 locations, 25 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: 54.4s, OverallIterations: 21, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4891 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2957 mSDsluCounter, 522 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 930 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10463 IncrementalHoareTripleChecker+Invalid, 11393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 930 mSolverCounterUnsat, 152 mSDtfsCounter, 10463 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3927 GetRequests, 3749 SyntacticMatches, 11 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4502occurred in iteration=15, InterpolantAutomatonStates: 162, 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: 1.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 28.7s InterpolantComputationTime, 14562 NumberOfCodeBlocks, 13512 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 15839 ConstructedInterpolants, 0 QuantifiedInterpolants, 26463 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5263 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 40410/50533 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:25:15,361 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