./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.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 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:30:23,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:30:23,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:30:23,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:30:23,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:30:23,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:30:23,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:30:23,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:30:23,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:30:23,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:30:23,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:30:23,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:30:23,698 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:30:23,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:30:23,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:30:23,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:30:23,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:30:23,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:30:23,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:30:23,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:30:23,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:30:23,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:30:23,702 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:30:23,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:30:23,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:30:23,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:30:23,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:30:23,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:30:23,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:30:23,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:30:23,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:30:23,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:30:23,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:30:23,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:30:23,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:30:23,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:30:23,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:30:23,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:30:23,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:30:23,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:30:23,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:30:23,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2024-11-12 12:30:23,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:30:23,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:30:23,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:30:23,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:30:23,995 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:30:23,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-12 12:30:25,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:30:25,752 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:30:25,753 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-12 12:30:25,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61efaa43d/e43518960d4c481f9a42ec369ba23097/FLAG2db0e2cd7 [2024-11-12 12:30:25,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61efaa43d/e43518960d4c481f9a42ec369ba23097 [2024-11-12 12:30:25,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:30:25,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:30:25,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:30:25,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:30:25,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:30:25,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:30:25" (1/1) ... [2024-11-12 12:30:25,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc3a6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:25, skipping insertion in model container [2024-11-12 12:30:25,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:30:25" (1/1) ... [2024-11-12 12:30:25,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:30:26,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:30:26,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:30:26,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:30:26,627 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:30:26,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26 WrapperNode [2024-11-12 12:30:26,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:30:26,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:30:26,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:30:26,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:30:26,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,716 INFO L138 Inliner]: procedures = 372, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 392 [2024-11-12 12:30:26,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:30:26,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:30:26,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:30:26,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:30:26,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:30:26,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:30:26,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:30:26,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:30:26,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (1/1) ... [2024-11-12 12:30:26,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:30:26,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:30:26,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:30:26,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:30:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 12:30:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-12 12:30:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:30:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:30:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:30:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:30:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:30:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:30:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:30:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-12 12:30:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-12 12:30:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:30:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:30:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:30:26,896 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:30:27,075 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:30:27,077 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:30:27,788 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:30:27,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:30:27,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:30:27,833 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 12:30:27,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:30:27 BoogieIcfgContainer [2024-11-12 12:30:27,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:30:27,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:30:27,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:30:27,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:30:27,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:30:25" (1/3) ... [2024-11-12 12:30:27,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a192d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:30:27, skipping insertion in model container [2024-11-12 12:30:27,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:30:26" (2/3) ... [2024-11-12 12:30:27,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a192d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:30:27, skipping insertion in model container [2024-11-12 12:30:27,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:30:27" (3/3) ... [2024-11-12 12:30:27,846 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2024-11-12 12:30:27,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:30:27,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-12 12:30:27,866 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:30:27,994 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 12:30:28,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 457 places, 458 transitions, 920 flow [2024-11-12 12:30:28,223 INFO L124 PetriNetUnfolderBase]: 5/457 cut-off events. [2024-11-12 12:30:28,223 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:30:28,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 457 events. 5/457 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 361 event pairs, 0 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 329. Up to 2 conditions per place. [2024-11-12 12:30:28,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 457 places, 458 transitions, 920 flow [2024-11-12 12:30:28,243 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 456 places, 457 transitions, 917 flow [2024-11-12 12:30:28,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:30:28,263 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;@47a74d4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:30:28,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-12 12:30:28,282 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:30:28,283 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events. [2024-11-12 12:30:28,283 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:30:28,283 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:28,284 INFO L206 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] [2024-11-12 12:30:28,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:28,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:28,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1447814669, now seen corresponding path program 1 times [2024-11-12 12:30:28,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:28,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502130660] [2024-11-12 12:30:28,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:28,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:29,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:29,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502130660] [2024-11-12 12:30:29,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502130660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:29,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:29,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:30:29,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976452235] [2024-11-12 12:30:29,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:29,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:29,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:29,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:29,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:30:30,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 458 [2024-11-12 12:30:30,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 457 transitions, 917 flow. Second operand has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:30,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:30,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 458 [2024-11-12 12:30:30,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:30,703 INFO L124 PetriNetUnfolderBase]: 365/1812 cut-off events. [2024-11-12 12:30:30,703 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:30:30,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2668 conditions, 1812 events. 365/1812 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9542 event pairs, 364 based on Foata normal form. 14/1689 useless extension candidates. Maximal degree in co-relation 2256. Up to 837 conditions per place. [2024-11-12 12:30:30,722 INFO L140 encePairwiseOnDemand]: 436/458 looper letters, 108 selfloop transitions, 15 changer transitions 2/450 dead transitions. [2024-11-12 12:30:30,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 450 transitions, 1149 flow [2024-11-12 12:30:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2098 transitions. [2024-11-12 12:30:30,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7634643377001455 [2024-11-12 12:30:30,753 INFO L175 Difference]: Start difference. First operand has 456 places, 457 transitions, 917 flow. Second operand 6 states and 2098 transitions. [2024-11-12 12:30:30,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 450 transitions, 1149 flow [2024-11-12 12:30:30,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 450 transitions, 1148 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:30:30,770 INFO L231 Difference]: Finished difference. Result has 457 places, 448 transitions, 928 flow [2024-11-12 12:30:30,772 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=928, PETRI_PLACES=457, PETRI_TRANSITIONS=448} [2024-11-12 12:30:30,775 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 1 predicate places. [2024-11-12 12:30:30,776 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 448 transitions, 928 flow [2024-11-12 12:30:30,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:30,778 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:30,778 INFO L206 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] [2024-11-12 12:30:30,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:30:30,779 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:30,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:30,780 INFO L85 PathProgramCache]: Analyzing trace with hash -117518850, now seen corresponding path program 1 times [2024-11-12 12:30:30,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:30,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446212957] [2024-11-12 12:30:30,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:30,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:31,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:31,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446212957] [2024-11-12 12:30:31,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446212957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:31,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:31,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:30:31,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710821635] [2024-11-12 12:30:31,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:31,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:31,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:31,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:31,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:30:32,312 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 458 [2024-11-12 12:30:32,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 448 transitions, 928 flow. Second operand has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:32,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:32,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 458 [2024-11-12 12:30:32,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:32,614 INFO L124 PetriNetUnfolderBase]: 365/1807 cut-off events. [2024-11-12 12:30:32,614 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:30:32,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 1807 events. 365/1807 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9466 event pairs, 364 based on Foata normal form. 0/1675 useless extension candidates. Maximal degree in co-relation 2399. Up to 837 conditions per place. [2024-11-12 12:30:32,621 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 108 selfloop transitions, 15 changer transitions 0/445 dead transitions. [2024-11-12 12:30:32,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 445 transitions, 1168 flow [2024-11-12 12:30:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2094 transitions. [2024-11-12 12:30:32,626 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7620087336244541 [2024-11-12 12:30:32,627 INFO L175 Difference]: Start difference. First operand has 457 places, 448 transitions, 928 flow. Second operand 6 states and 2094 transitions. [2024-11-12 12:30:32,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 445 transitions, 1168 flow [2024-11-12 12:30:32,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 445 transitions, 1138 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:32,634 INFO L231 Difference]: Finished difference. Result has 452 places, 445 transitions, 922 flow [2024-11-12 12:30:32,635 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=452, PETRI_TRANSITIONS=445} [2024-11-12 12:30:32,636 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -4 predicate places. [2024-11-12 12:30:32,636 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 445 transitions, 922 flow [2024-11-12 12:30:32,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:32,637 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:32,638 INFO L206 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] [2024-11-12 12:30:32,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:30:32,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:32,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1744197474, now seen corresponding path program 1 times [2024-11-12 12:30:32,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:32,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114259177] [2024-11-12 12:30:32,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:32,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:33,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:33,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114259177] [2024-11-12 12:30:33,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114259177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:33,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:33,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:30:33,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136240263] [2024-11-12 12:30:33,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:33,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:33,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:33,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:33,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:30:33,776 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 458 [2024-11-12 12:30:33,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 445 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:33,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:33,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 458 [2024-11-12 12:30:33,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:34,128 INFO L124 PetriNetUnfolderBase]: 391/1895 cut-off events. [2024-11-12 12:30:34,129 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 12:30:34,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2822 conditions, 1895 events. 391/1895 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10224 event pairs, 390 based on Foata normal form. 0/1758 useless extension candidates. Maximal degree in co-relation 2525. Up to 903 conditions per place. [2024-11-12 12:30:34,138 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 122 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-11-12 12:30:34,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 444 transitions, 1174 flow [2024-11-12 12:30:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2084 transitions. [2024-11-12 12:30:34,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7583697234352256 [2024-11-12 12:30:34,143 INFO L175 Difference]: Start difference. First operand has 452 places, 445 transitions, 922 flow. Second operand 6 states and 2084 transitions. [2024-11-12 12:30:34,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 444 transitions, 1174 flow [2024-11-12 12:30:34,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 444 transitions, 1144 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:34,150 INFO L231 Difference]: Finished difference. Result has 451 places, 444 transitions, 900 flow [2024-11-12 12:30:34,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=451, PETRI_TRANSITIONS=444} [2024-11-12 12:30:34,152 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -5 predicate places. [2024-11-12 12:30:34,152 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 444 transitions, 900 flow [2024-11-12 12:30:34,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:34,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:34,154 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:34,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:30:34,154 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:34,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:34,155 INFO L85 PathProgramCache]: Analyzing trace with hash -640380955, now seen corresponding path program 1 times [2024-11-12 12:30:34,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:34,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226337749] [2024-11-12 12:30:34,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:34,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:34,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:34,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226337749] [2024-11-12 12:30:34,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226337749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:34,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:34,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:30:34,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735821254] [2024-11-12 12:30:34,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:34,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:30:34,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:34,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:30:34,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:30:34,333 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 458 [2024-11-12 12:30:34,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 444 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 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) [2024-11-12 12:30:34,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:34,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 458 [2024-11-12 12:30:34,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:34,413 INFO L124 PetriNetUnfolderBase]: 7/629 cut-off events. [2024-11-12 12:30:34,413 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:30:34,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 629 events. 7/629 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 631 event pairs, 6 based on Foata normal form. 1/594 useless extension candidates. Maximal degree in co-relation 467. Up to 24 conditions per place. [2024-11-12 12:30:34,416 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 10 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2024-11-12 12:30:34,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 445 transitions, 926 flow [2024-11-12 12:30:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:30:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:30:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1342 transitions. [2024-11-12 12:30:34,419 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9767103347889374 [2024-11-12 12:30:34,419 INFO L175 Difference]: Start difference. First operand has 451 places, 444 transitions, 900 flow. Second operand 3 states and 1342 transitions. [2024-11-12 12:30:34,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 445 transitions, 926 flow [2024-11-12 12:30:34,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 445 transitions, 916 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:34,427 INFO L231 Difference]: Finished difference. Result has 449 places, 445 transitions, 902 flow [2024-11-12 12:30:34,428 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=449, PETRI_TRANSITIONS=445} [2024-11-12 12:30:34,429 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-12 12:30:34,429 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 445 transitions, 902 flow [2024-11-12 12:30:34,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 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) [2024-11-12 12:30:34,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:34,430 INFO L206 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] [2024-11-12 12:30:34,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:30:34,431 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:34,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1927925640, now seen corresponding path program 1 times [2024-11-12 12:30:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:34,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269419740] [2024-11-12 12:30:34,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:34,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:34,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269419740] [2024-11-12 12:30:34,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269419740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:34,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:34,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:30:34,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836433044] [2024-11-12 12:30:34,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:34,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:34,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:34,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:34,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:30:35,845 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 458 [2024-11-12 12:30:35,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 445 transitions, 902 flow. Second operand has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:35,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:35,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 458 [2024-11-12 12:30:35,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:36,113 INFO L124 PetriNetUnfolderBase]: 55/870 cut-off events. [2024-11-12 12:30:36,114 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 12:30:36,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 870 events. 55/870 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2239 event pairs, 54 based on Foata normal form. 0/810 useless extension candidates. Maximal degree in co-relation 887. Up to 219 conditions per place. [2024-11-12 12:30:36,117 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 81 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-11-12 12:30:36,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 444 transitions, 1072 flow [2024-11-12 12:30:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2294 transitions. [2024-11-12 12:30:36,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8347889374090247 [2024-11-12 12:30:36,122 INFO L175 Difference]: Start difference. First operand has 449 places, 445 transitions, 902 flow. Second operand 6 states and 2294 transitions. [2024-11-12 12:30:36,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 444 transitions, 1072 flow [2024-11-12 12:30:36,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 444 transitions, 1070 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:30:36,128 INFO L231 Difference]: Finished difference. Result has 452 places, 444 transitions, 908 flow [2024-11-12 12:30:36,129 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=908, PETRI_PLACES=452, PETRI_TRANSITIONS=444} [2024-11-12 12:30:36,130 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -4 predicate places. [2024-11-12 12:30:36,130 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 444 transitions, 908 flow [2024-11-12 12:30:36,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:36,132 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:36,132 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:36,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:30:36,133 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:36,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:36,133 INFO L85 PathProgramCache]: Analyzing trace with hash 235622532, now seen corresponding path program 1 times [2024-11-12 12:30:36,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:36,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766302941] [2024-11-12 12:30:36,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:36,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:36,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766302941] [2024-11-12 12:30:36,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766302941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:36,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:36,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:30:36,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127881213] [2024-11-12 12:30:36,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:36,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:36,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:36,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:36,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:30:37,408 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 458 [2024-11-12 12:30:37,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 444 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:37,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:37,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 458 [2024-11-12 12:30:37,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:37,664 INFO L124 PetriNetUnfolderBase]: 37/783 cut-off events. [2024-11-12 12:30:37,665 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:30:37,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 783 events. 37/783 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1736 event pairs, 36 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 755. Up to 190 conditions per place. [2024-11-12 12:30:37,668 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 85 selfloop transitions, 15 changer transitions 0/441 dead transitions. [2024-11-12 12:30:37,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 441 transitions, 1102 flow [2024-11-12 12:30:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2209 transitions. [2024-11-12 12:30:37,672 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8038573508005823 [2024-11-12 12:30:37,672 INFO L175 Difference]: Start difference. First operand has 452 places, 444 transitions, 908 flow. Second operand 6 states and 2209 transitions. [2024-11-12 12:30:37,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 441 transitions, 1102 flow [2024-11-12 12:30:37,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 441 transitions, 1092 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:37,681 INFO L231 Difference]: Finished difference. Result has 449 places, 441 transitions, 922 flow [2024-11-12 12:30:37,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=449, PETRI_TRANSITIONS=441} [2024-11-12 12:30:37,682 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-12 12:30:37,683 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 441 transitions, 922 flow [2024-11-12 12:30:37,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:37,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:37,684 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:37,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:30:37,685 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:37,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash -800702376, now seen corresponding path program 1 times [2024-11-12 12:30:37,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:37,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459327393] [2024-11-12 12:30:37,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:38,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:38,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459327393] [2024-11-12 12:30:38,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459327393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:38,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:38,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:30:38,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921302434] [2024-11-12 12:30:38,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:38,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:38,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:38,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:38,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:30:38,716 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 458 [2024-11-12 12:30:38,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 441 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 319.1666666666667) internal successors, (1915), 6 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:38,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:38,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 458 [2024-11-12 12:30:38,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:39,136 INFO L124 PetriNetUnfolderBase]: 365/1905 cut-off events. [2024-11-12 12:30:39,136 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:30:39,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2844 conditions, 1905 events. 365/1905 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9489 event pairs, 364 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2457. Up to 890 conditions per place. [2024-11-12 12:30:39,145 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 123 selfloop transitions, 15 changer transitions 0/438 dead transitions. [2024-11-12 12:30:39,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 438 transitions, 1192 flow [2024-11-12 12:30:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2019 transitions. [2024-11-12 12:30:39,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7347161572052402 [2024-11-12 12:30:39,151 INFO L175 Difference]: Start difference. First operand has 449 places, 441 transitions, 922 flow. Second operand 6 states and 2019 transitions. [2024-11-12 12:30:39,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 438 transitions, 1192 flow [2024-11-12 12:30:39,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 438 transitions, 1162 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:39,159 INFO L231 Difference]: Finished difference. Result has 446 places, 438 transitions, 916 flow [2024-11-12 12:30:39,160 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=916, PETRI_PLACES=446, PETRI_TRANSITIONS=438} [2024-11-12 12:30:39,161 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -10 predicate places. [2024-11-12 12:30:39,161 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 438 transitions, 916 flow [2024-11-12 12:30:39,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 319.1666666666667) internal successors, (1915), 6 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:39,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:39,163 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:39,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:30:39,163 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:39,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:39,165 INFO L85 PathProgramCache]: Analyzing trace with hash 76021102, now seen corresponding path program 1 times [2024-11-12 12:30:39,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:39,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50073533] [2024-11-12 12:30:39,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:39,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:39,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:39,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50073533] [2024-11-12 12:30:39,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50073533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:39,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:30:39,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:30:39,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812797614] [2024-11-12 12:30:39,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:39,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:39,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:39,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:39,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:30:40,292 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 458 [2024-11-12 12:30:40,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 438 transitions, 916 flow. Second operand has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:40,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:40,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 458 [2024-11-12 12:30:40,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:40,770 INFO L124 PetriNetUnfolderBase]: 365/1901 cut-off events. [2024-11-12 12:30:40,770 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:30:40,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2836 conditions, 1901 events. 365/1901 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9454 event pairs, 364 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2453. Up to 886 conditions per place. [2024-11-12 12:30:40,778 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 120 selfloop transitions, 15 changer transitions 0/435 dead transitions. [2024-11-12 12:30:40,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 435 transitions, 1180 flow [2024-11-12 12:30:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2034 transitions. [2024-11-12 12:30:40,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.740174672489083 [2024-11-12 12:30:40,785 INFO L175 Difference]: Start difference. First operand has 446 places, 438 transitions, 916 flow. Second operand 6 states and 2034 transitions. [2024-11-12 12:30:40,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 435 transitions, 1180 flow [2024-11-12 12:30:40,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 435 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:40,793 INFO L231 Difference]: Finished difference. Result has 443 places, 435 transitions, 910 flow [2024-11-12 12:30:40,795 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=910, PETRI_PLACES=443, PETRI_TRANSITIONS=435} [2024-11-12 12:30:40,796 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -13 predicate places. [2024-11-12 12:30:40,796 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 435 transitions, 910 flow [2024-11-12 12:30:40,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:40,797 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:40,798 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:40,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:30:40,798 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:40,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:40,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2099206652, now seen corresponding path program 1 times [2024-11-12 12:30:40,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:40,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957381809] [2024-11-12 12:30:40,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:40,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:41,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:41,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957381809] [2024-11-12 12:30:41,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957381809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:30:41,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345804482] [2024-11-12 12:30:41,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:41,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:30:41,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:30:41,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:30:41,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 12:30:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:41,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 12:30:41,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:30:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:41,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:30:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345804482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:30:41,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:30:41,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 12:30:41,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003289599] [2024-11-12 12:30:41,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:30:41,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 12:30:41,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:41,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 12:30:41,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 12:30:41,822 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-12 12:30:41,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 435 transitions, 910 flow. Second operand has 10 states, 10 states have (on average 441.8) internal successors, (4418), 10 states have internal predecessors, (4418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:41,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:41,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-12 12:30:41,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:41,983 INFO L124 PetriNetUnfolderBase]: 7/723 cut-off events. [2024-11-12 12:30:41,984 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:30:41,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 723 events. 7/723 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 394 event pairs, 6 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 365. Up to 24 conditions per place. [2024-11-12 12:30:41,986 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 14 selfloop transitions, 9 changer transitions 0/443 dead transitions. [2024-11-12 12:30:41,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 443 transitions, 974 flow [2024-11-12 12:30:41,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 12:30:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 12:30:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3985 transitions. [2024-11-12 12:30:41,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9667637069383794 [2024-11-12 12:30:41,994 INFO L175 Difference]: Start difference. First operand has 443 places, 435 transitions, 910 flow. Second operand 9 states and 3985 transitions. [2024-11-12 12:30:41,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 443 transitions, 974 flow [2024-11-12 12:30:41,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 443 transitions, 944 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:42,003 INFO L231 Difference]: Finished difference. Result has 449 places, 441 transitions, 930 flow [2024-11-12 12:30:42,005 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=930, PETRI_PLACES=449, PETRI_TRANSITIONS=441} [2024-11-12 12:30:42,006 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-12 12:30:42,006 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 441 transitions, 930 flow [2024-11-12 12:30:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 441.8) internal successors, (4418), 10 states have internal predecessors, (4418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:42,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:42,009 INFO L206 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, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:42,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 12:30:42,209 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 [2024-11-12 12:30:42,210 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:42,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash -903834110, now seen corresponding path program 2 times [2024-11-12 12:30:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:42,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805985272] [2024-11-12 12:30:42,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:42,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:42,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805985272] [2024-11-12 12:30:42,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805985272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:30:42,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686909856] [2024-11-12 12:30:42,837 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:30:42,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:30:42,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:30:42,841 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:30:42,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 12:30:43,131 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:30:43,132 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:30:43,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 12:30:43,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:30:43,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-12 12:30:43,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-12 12:30:43,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:30:43,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-12 12:30:43,302 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:30:43,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-12 12:30:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-12 12:30:43,334 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:30:43,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686909856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:43,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:30:43,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-12 12:30:43,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023195755] [2024-11-12 12:30:43,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:43,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:43,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:43,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:43,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-12 12:30:44,008 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 458 [2024-11-12 12:30:44,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 441 transitions, 930 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:44,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:44,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 458 [2024-11-12 12:30:44,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:44,516 INFO L124 PetriNetUnfolderBase]: 257/2029 cut-off events. [2024-11-12 12:30:44,517 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-12 12:30:44,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2724 conditions, 2029 events. 257/2029 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10054 event pairs, 34 based on Foata normal form. 0/1902 useless extension candidates. Maximal degree in co-relation 2222. Up to 515 conditions per place. [2024-11-12 12:30:44,524 INFO L140 encePairwiseOnDemand]: 429/458 looper letters, 91 selfloop transitions, 75 changer transitions 0/518 dead transitions. [2024-11-12 12:30:44,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 518 transitions, 1416 flow [2024-11-12 12:30:44,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2358 transitions. [2024-11-12 12:30:44,530 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8580786026200873 [2024-11-12 12:30:44,530 INFO L175 Difference]: Start difference. First operand has 449 places, 441 transitions, 930 flow. Second operand 6 states and 2358 transitions. [2024-11-12 12:30:44,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 518 transitions, 1416 flow [2024-11-12 12:30:44,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 518 transitions, 1410 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-12 12:30:44,541 INFO L231 Difference]: Finished difference. Result has 457 places, 509 transitions, 1404 flow [2024-11-12 12:30:44,543 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1404, PETRI_PLACES=457, PETRI_TRANSITIONS=509} [2024-11-12 12:30:44,543 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 1 predicate places. [2024-11-12 12:30:44,544 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 509 transitions, 1404 flow [2024-11-12 12:30:44,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:44,545 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:44,546 INFO L206 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, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:44,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 12:30:44,746 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 [2024-11-12 12:30:44,747 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:44,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:44,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1442276429, now seen corresponding path program 1 times [2024-11-12 12:30:44,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:44,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080346102] [2024-11-12 12:30:44,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:44,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:45,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:45,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080346102] [2024-11-12 12:30:45,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080346102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:30:45,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723285833] [2024-11-12 12:30:45,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:45,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:30:45,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:30:45,372 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:30:45,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 12:30:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:45,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 12:30:45,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:30:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:46,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:30:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:46,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723285833] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:30:46,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:30:46,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-12 12:30:46,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970253269] [2024-11-12 12:30:46,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:30:46,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 12:30:46,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:46,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 12:30:46,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-12 12:30:46,775 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-12 12:30:46,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 509 transitions, 1404 flow. Second operand has 18 states, 18 states have (on average 441.8888888888889) internal successors, (7954), 18 states have internal predecessors, (7954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:46,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:46,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-12 12:30:46,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:47,438 INFO L124 PetriNetUnfolderBase]: 159/2165 cut-off events. [2024-11-12 12:30:47,438 INFO L125 PetriNetUnfolderBase]: For 184/198 co-relation queries the response was YES. [2024-11-12 12:30:47,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2895 conditions, 2165 events. 159/2165 cut-off events. For 184/198 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7404 event pairs, 23 based on Foata normal form. 4/2082 useless extension candidates. Maximal degree in co-relation 1998. Up to 208 conditions per place. [2024-11-12 12:30:47,448 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 19 selfloop transitions, 21 changer transitions 0/527 dead transitions. [2024-11-12 12:30:47,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 527 transitions, 1572 flow [2024-11-12 12:30:47,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 12:30:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-12 12:30:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9283 transitions. [2024-11-12 12:30:47,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9651694739030984 [2024-11-12 12:30:47,465 INFO L175 Difference]: Start difference. First operand has 457 places, 509 transitions, 1404 flow. Second operand 21 states and 9283 transitions. [2024-11-12 12:30:47,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 527 transitions, 1572 flow [2024-11-12 12:30:47,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 527 transitions, 1572 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:30:47,478 INFO L231 Difference]: Finished difference. Result has 482 places, 522 transitions, 1534 flow [2024-11-12 12:30:47,479 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1404, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1534, PETRI_PLACES=482, PETRI_TRANSITIONS=522} [2024-11-12 12:30:47,480 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 26 predicate places. [2024-11-12 12:30:47,480 INFO L471 AbstractCegarLoop]: Abstraction has has 482 places, 522 transitions, 1534 flow [2024-11-12 12:30:47,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 441.8888888888889) internal successors, (7954), 18 states have internal predecessors, (7954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:47,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:47,483 INFO L206 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, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:47,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 12:30:47,687 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 [2024-11-12 12:30:47,688 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:47,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:47,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1893180873, now seen corresponding path program 2 times [2024-11-12 12:30:47,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:47,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586446404] [2024-11-12 12:30:47,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:47,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:49,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:49,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586446404] [2024-11-12 12:30:49,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586446404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:30:49,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114486893] [2024-11-12 12:30:49,501 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:30:49,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:30:49,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:30:49,503 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:30:49,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 12:30:49,969 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:30:49,969 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:30:49,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 12:30:50,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:30:50,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-12 12:30:50,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-12 12:30:50,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:30:50,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-12 12:30:50,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:30:50,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-12 12:30:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2233 trivial. 0 not checked. [2024-11-12 12:30:50,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:30:50,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114486893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:30:50,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:30:50,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-12 12:30:50,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887555392] [2024-11-12 12:30:50,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:30:50,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:30:50,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:50,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:30:50,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-12 12:30:50,956 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 458 [2024-11-12 12:30:50,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 522 transitions, 1534 flow. Second operand has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:50,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:50,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 458 [2024-11-12 12:30:50,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:51,804 INFO L124 PetriNetUnfolderBase]: 227/2346 cut-off events. [2024-11-12 12:30:51,804 INFO L125 PetriNetUnfolderBase]: For 438/483 co-relation queries the response was YES. [2024-11-12 12:30:51,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3668 conditions, 2346 events. 227/2346 cut-off events. For 438/483 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8650 event pairs, 55 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 2566. Up to 564 conditions per place. [2024-11-12 12:30:51,814 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 142 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-12 12:30:51,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 521 transitions, 1826 flow [2024-11-12 12:30:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:30:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:30:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2309 transitions. [2024-11-12 12:30:51,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8402474526928675 [2024-11-12 12:30:51,819 INFO L175 Difference]: Start difference. First operand has 482 places, 522 transitions, 1534 flow. Second operand 6 states and 2309 transitions. [2024-11-12 12:30:51,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 521 transitions, 1826 flow [2024-11-12 12:30:51,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 521 transitions, 1802 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-12 12:30:51,830 INFO L231 Difference]: Finished difference. Result has 480 places, 521 transitions, 1518 flow [2024-11-12 12:30:51,831 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1508, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1518, PETRI_PLACES=480, PETRI_TRANSITIONS=521} [2024-11-12 12:30:51,832 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 24 predicate places. [2024-11-12 12:30:51,832 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 521 transitions, 1518 flow [2024-11-12 12:30:51,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:51,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:51,834 INFO L206 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, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:51,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 12:30:52,034 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 [2024-11-12 12:30:52,035 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:52,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:52,036 INFO L85 PathProgramCache]: Analyzing trace with hash -996926539, now seen corresponding path program 1 times [2024-11-12 12:30:52,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:52,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757722598] [2024-11-12 12:30:52,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:52,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:53,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:30:53,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757722598] [2024-11-12 12:30:53,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757722598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:30:53,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113612592] [2024-11-12 12:30:53,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:53,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:30:53,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:30:53,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:30:53,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 12:30:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:30:54,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 3674 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 12:30:54,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:30:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:55,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:30:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:30:56,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113612592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:30:56,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:30:56,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-12 12:30:56,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925870963] [2024-11-12 12:30:56,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:30:56,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-12 12:30:56,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:30:56,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-12 12:30:56,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-12 12:30:56,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-12 12:30:56,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 521 transitions, 1518 flow. Second operand has 23 states, 23 states have (on average 442.0869565217391) internal successors, (10168), 23 states have internal predecessors, (10168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:56,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:30:56,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-12 12:30:56,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:30:57,414 INFO L124 PetriNetUnfolderBase]: 159/2482 cut-off events. [2024-11-12 12:30:57,414 INFO L125 PetriNetUnfolderBase]: For 301/315 co-relation queries the response was YES. [2024-11-12 12:30:57,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3293 conditions, 2482 events. 159/2482 cut-off events. For 301/315 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7423 event pairs, 23 based on Foata normal form. 3/2399 useless extension candidates. Maximal degree in co-relation 2009. Up to 208 conditions per place. [2024-11-12 12:30:57,425 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 22 selfloop transitions, 30 changer transitions 0/538 dead transitions. [2024-11-12 12:30:57,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 538 transitions, 1744 flow [2024-11-12 12:30:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-12 12:30:57,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-12 12:30:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 13254 transitions. [2024-11-12 12:30:57,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9646288209606987 [2024-11-12 12:30:57,529 INFO L175 Difference]: Start difference. First operand has 480 places, 521 transitions, 1518 flow. Second operand 30 states and 13254 transitions. [2024-11-12 12:30:57,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 538 transitions, 1744 flow [2024-11-12 12:30:57,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 538 transitions, 1734 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:30:57,543 INFO L231 Difference]: Finished difference. Result has 508 places, 531 transitions, 1660 flow [2024-11-12 12:30:57,544 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1508, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1660, PETRI_PLACES=508, PETRI_TRANSITIONS=531} [2024-11-12 12:30:57,544 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 52 predicate places. [2024-11-12 12:30:57,544 INFO L471 AbstractCegarLoop]: Abstraction has has 508 places, 531 transitions, 1660 flow [2024-11-12 12:30:57,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 442.0869565217391) internal successors, (10168), 23 states have internal predecessors, (10168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:30:57,548 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:30:57,549 INFO L206 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, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:30:57,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 12:30:57,749 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 [2024-11-12 12:30:57,750 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:30:57,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:30:57,753 INFO L85 PathProgramCache]: Analyzing trace with hash -754270958, now seen corresponding path program 2 times [2024-11-12 12:30:57,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:30:57,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100479176] [2024-11-12 12:30:57,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:30:57,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:30:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-12 12:31:01,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:01,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100479176] [2024-11-12 12:31:01,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100479176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:01,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:01,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:01,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364918803] [2024-11-12 12:31:01,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:01,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:01,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:01,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:01,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:01,782 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 458 [2024-11-12 12:31:01,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 531 transitions, 1660 flow. Second operand has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:31:01,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:01,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 458 [2024-11-12 12:31:01,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:03,130 INFO L124 PetriNetUnfolderBase]: 545/3579 cut-off events. [2024-11-12 12:31:03,131 INFO L125 PetriNetUnfolderBase]: For 942/1042 co-relation queries the response was YES. [2024-11-12 12:31:03,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6089 conditions, 3579 events. 545/3579 cut-off events. For 942/1042 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16123 event pairs, 93 based on Foata normal form. 16/3430 useless extension candidates. Maximal degree in co-relation 4524. Up to 1089 conditions per place. [2024-11-12 12:31:03,147 INFO L140 encePairwiseOnDemand]: 435/458 looper letters, 155 selfloop transitions, 130 changer transitions 0/668 dead transitions. [2024-11-12 12:31:03,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 668 transitions, 2880 flow [2024-11-12 12:31:03,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2387 transitions. [2024-11-12 12:31:03,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.86863173216885 [2024-11-12 12:31:03,152 INFO L175 Difference]: Start difference. First operand has 508 places, 531 transitions, 1660 flow. Second operand 6 states and 2387 transitions. [2024-11-12 12:31:03,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 668 transitions, 2880 flow [2024-11-12 12:31:03,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 668 transitions, 2834 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-12 12:31:03,167 INFO L231 Difference]: Finished difference. Result has 500 places, 660 transitions, 2842 flow [2024-11-12 12:31:03,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1614, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2842, PETRI_PLACES=500, PETRI_TRANSITIONS=660} [2024-11-12 12:31:03,168 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 44 predicate places. [2024-11-12 12:31:03,168 INFO L471 AbstractCegarLoop]: Abstraction has has 500 places, 660 transitions, 2842 flow [2024-11-12 12:31:03,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:31:03,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:03,169 INFO L206 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, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:31:03,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 12:31:03,170 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:31:03,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:03,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1387782814, now seen corresponding path program 1 times [2024-11-12 12:31:03,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:03,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723248033] [2024-11-12 12:31:03,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-12 12:31:06,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:06,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723248033] [2024-11-12 12:31:06,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723248033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:06,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:06,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:06,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212446489] [2024-11-12 12:31:06,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:06,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:06,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:06,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:06,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:07,110 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 458 [2024-11-12 12:31:07,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 660 transitions, 2842 flow. Second operand has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:31:07,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:07,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 458 [2024-11-12 12:31:07,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:08,621 INFO L124 PetriNetUnfolderBase]: 821/4345 cut-off events. [2024-11-12 12:31:08,621 INFO L125 PetriNetUnfolderBase]: For 3320/3523 co-relation queries the response was YES. [2024-11-12 12:31:08,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8947 conditions, 4345 events. 821/4345 cut-off events. For 3320/3523 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22419 event pairs, 74 based on Foata normal form. 76/4246 useless extension candidates. Maximal degree in co-relation 7399. Up to 1348 conditions per place. [2024-11-12 12:31:08,640 INFO L140 encePairwiseOnDemand]: 435/458 looper letters, 276 selfloop transitions, 131 changer transitions 5/798 dead transitions. [2024-11-12 12:31:08,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 798 transitions, 4566 flow [2024-11-12 12:31:08,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2383 transitions. [2024-11-12 12:31:08,643 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8671761280931587 [2024-11-12 12:31:08,643 INFO L175 Difference]: Start difference. First operand has 500 places, 660 transitions, 2842 flow. Second operand 6 states and 2383 transitions. [2024-11-12 12:31:08,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 798 transitions, 4566 flow [2024-11-12 12:31:08,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 798 transitions, 4566 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:31:08,668 INFO L231 Difference]: Finished difference. Result has 510 places, 788 transitions, 4322 flow [2024-11-12 12:31:08,671 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=2842, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4322, PETRI_PLACES=510, PETRI_TRANSITIONS=788} [2024-11-12 12:31:08,671 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 54 predicate places. [2024-11-12 12:31:08,671 INFO L471 AbstractCegarLoop]: Abstraction has has 510 places, 788 transitions, 4322 flow [2024-11-12 12:31:08,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:31:08,672 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:08,673 INFO L206 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, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:31:08,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 12:31:08,673 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:31:08,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:08,678 INFO L85 PathProgramCache]: Analyzing trace with hash 499502022, now seen corresponding path program 1 times [2024-11-12 12:31:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:08,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100583058] [2024-11-12 12:31:08,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-12 12:31:11,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:11,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100583058] [2024-11-12 12:31:11,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100583058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:11,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:11,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049752434] [2024-11-12 12:31:11,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:11,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:11,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:11,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:12,104 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 458 [2024-11-12 12:31:12,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 788 transitions, 4322 flow. Second operand has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:31:12,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:12,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 458 [2024-11-12 12:31:12,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:13,838 INFO L124 PetriNetUnfolderBase]: 1308/5674 cut-off events. [2024-11-12 12:31:13,838 INFO L125 PetriNetUnfolderBase]: For 4855/4912 co-relation queries the response was YES. [2024-11-12 12:31:13,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13603 conditions, 5674 events. 1308/5674 cut-off events. For 4855/4912 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33857 event pairs, 369 based on Foata normal form. 11/5440 useless extension candidates. Maximal degree in co-relation 11971. Up to 2589 conditions per place. [2024-11-12 12:31:13,874 INFO L140 encePairwiseOnDemand]: 439/458 looper letters, 356 selfloop transitions, 84 changer transitions 0/867 dead transitions. [2024-11-12 12:31:13,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 867 transitions, 5600 flow [2024-11-12 12:31:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2186 transitions. [2024-11-12 12:31:13,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7954876273653566 [2024-11-12 12:31:13,877 INFO L175 Difference]: Start difference. First operand has 510 places, 788 transitions, 4322 flow. Second operand 6 states and 2186 transitions. [2024-11-12 12:31:13,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 867 transitions, 5600 flow [2024-11-12 12:31:13,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 867 transitions, 5346 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-12 12:31:13,914 INFO L231 Difference]: Finished difference. Result has 519 places, 859 transitions, 4858 flow [2024-11-12 12:31:13,915 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=4074, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=788, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4858, PETRI_PLACES=519, PETRI_TRANSITIONS=859} [2024-11-12 12:31:13,916 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 63 predicate places. [2024-11-12 12:31:13,916 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 859 transitions, 4858 flow [2024-11-12 12:31:13,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:31:13,917 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:13,918 INFO L206 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, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:31:13,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 12:31:13,918 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-12 12:31:13,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:13,924 INFO L85 PathProgramCache]: Analyzing trace with hash 350580044, now seen corresponding path program 1 times [2024-11-12 12:31:13,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:13,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889496222] [2024-11-12 12:31:13,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:13,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat