./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:07:24,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:07:24,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:07:24,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:07:24,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:07:24,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:07:24,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:07:24,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:07:24,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:07:24,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:07:24,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:07:24,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:07:24,697 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:07:24,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:07:24,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:07:24,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:07:24,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:07:24,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:07:24,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:07:24,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:07:24,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:07:24,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:07:24,702 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:07:24,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:07:24,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:07:24,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:07:24,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:07:24,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:07:24,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:07:24,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:07:24,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:07:24,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:07:24,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:07:24,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:07:24,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:07:24,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:07:24,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:07:24,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:07:24,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:07:24,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:07:24,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:07:24,706 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 [2024-10-11 17:07:24,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:07:24,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:07:24,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:07:24,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:07:24,977 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:07:24,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2024-10-11 17:07:26,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:07:26,549 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:07:26,551 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2024-10-11 17:07:26,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/236f2a206/f017a0e23c874278b37197e5b9a9a722/FLAG54409a9ca [2024-10-11 17:07:26,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/236f2a206/f017a0e23c874278b37197e5b9a9a722 [2024-10-11 17:07:26,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:07:26,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:07:26,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:07:26,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:07:26,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:07:26,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:07:26" (1/1) ... [2024-10-11 17:07:26,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f56589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:26, skipping insertion in model container [2024-10-11 17:07:26,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:07:26" (1/1) ... [2024-10-11 17:07:26,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:07:26,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:07:26,973 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:07:27,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:07:27,046 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:07:27,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27 WrapperNode [2024-10-11 17:07:27,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:07:27,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:07:27,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:07:27,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:07:27,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,095 INFO L138 Inliner]: procedures = 189, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 211 [2024-10-11 17:07:27,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:07:27,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:07:27,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:07:27,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:07:27,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:07:27,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:07:27,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:07:27,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:07:27,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (1/1) ... [2024-10-11 17:07:27,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:07:27,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:07:27,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:07:27,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:07:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:07:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:07:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:07:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:07:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:07:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-11 17:07:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-11 17:07:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-11 17:07:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-11 17:07:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:07:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:07:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:07:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:07:27,222 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:07:27,352 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:07:27,354 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:07:27,704 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:07:27,704 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:07:27,734 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:07:27,734 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:07:27,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:07:27 BoogieIcfgContainer [2024-10-11 17:07:27,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:07:27,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:07:27,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:07:27,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:07:27,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:07:26" (1/3) ... [2024-10-11 17:07:27,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62eee027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:07:27, skipping insertion in model container [2024-10-11 17:07:27,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:27" (2/3) ... [2024-10-11 17:07:27,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62eee027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:07:27, skipping insertion in model container [2024-10-11 17:07:27,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:07:27" (3/3) ... [2024-10-11 17:07:27,747 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2024-10-11 17:07:27,759 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:07:27,760 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-11 17:07:27,760 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:07:27,843 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 17:07:27,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 250 places, 246 transitions, 496 flow [2024-10-11 17:07:27,948 INFO L124 PetriNetUnfolderBase]: 0/245 cut-off events. [2024-10-11 17:07:27,949 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:27,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 245 events. 0/245 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 94 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-11 17:07:27,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 250 places, 246 transitions, 496 flow [2024-10-11 17:07:27,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 245 transitions, 493 flow [2024-10-11 17:07:27,964 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:07:27,969 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;@43f2c1d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:07:27,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-10-11 17:07:27,977 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:07:27,977 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-10-11 17:07:27,977 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:27,977 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:27,978 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:27,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:27,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:27,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1414811631, now seen corresponding path program 1 times [2024-10-11 17:07:27,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:27,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740860507] [2024-10-11 17:07:27,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:27,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:28,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740860507] [2024-10-11 17:07:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740860507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:28,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:28,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:28,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75901571] [2024-10-11 17:07:28,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:28,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:28,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:28,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:28,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:29,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 246 [2024-10-11 17:07:29,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 245 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:29,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:29,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 246 [2024-10-11 17:07:29,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:29,351 INFO L124 PetriNetUnfolderBase]: 220/1088 cut-off events. [2024-10-11 17:07:29,351 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:07:29,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1600 conditions, 1088 events. 220/1088 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5588 event pairs, 220 based on Foata normal form. 0/980 useless extension candidates. Maximal degree in co-relation 1424. Up to 493 conditions per place. [2024-10-11 17:07:29,364 INFO L140 encePairwiseOnDemand]: 228/246 looper letters, 52 selfloop transitions, 15 changer transitions 0/242 dead transitions. [2024-10-11 17:07:29,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 242 transitions, 621 flow [2024-10-11 17:07:29,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1126 transitions. [2024-10-11 17:07:29,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7628726287262872 [2024-10-11 17:07:29,388 INFO L175 Difference]: Start difference. First operand has 249 places, 245 transitions, 493 flow. Second operand 6 states and 1126 transitions. [2024-10-11 17:07:29,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 242 transitions, 621 flow [2024-10-11 17:07:29,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 242 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:07:29,397 INFO L231 Difference]: Finished difference. Result has 250 places, 242 transitions, 516 flow [2024-10-11 17:07:29,399 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=516, PETRI_PLACES=250, PETRI_TRANSITIONS=242} [2024-10-11 17:07:29,403 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 1 predicate places. [2024-10-11 17:07:29,403 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 242 transitions, 516 flow [2024-10-11 17:07:29,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:29,405 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:29,405 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:29,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:07:29,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:29,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:29,407 INFO L85 PathProgramCache]: Analyzing trace with hash -140169175, now seen corresponding path program 1 times [2024-10-11 17:07:29,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:29,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116528074] [2024-10-11 17:07:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:29,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:29,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:29,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116528074] [2024-10-11 17:07:29,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116528074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:29,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:29,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759231412] [2024-10-11 17:07:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:29,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:29,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:29,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:29,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:30,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 246 [2024-10-11 17:07:30,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 242 transitions, 516 flow. Second operand has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:30,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:30,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 246 [2024-10-11 17:07:30,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:30,190 INFO L124 PetriNetUnfolderBase]: 220/1085 cut-off events. [2024-10-11 17:07:30,191 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:30,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 1085 events. 220/1085 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5587 event pairs, 220 based on Foata normal form. 0/980 useless extension candidates. Maximal degree in co-relation 1449. Up to 493 conditions per place. [2024-10-11 17:07:30,198 INFO L140 encePairwiseOnDemand]: 228/246 looper letters, 52 selfloop transitions, 15 changer transitions 0/239 dead transitions. [2024-10-11 17:07:30,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 239 transitions, 644 flow [2024-10-11 17:07:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1126 transitions. [2024-10-11 17:07:30,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7628726287262872 [2024-10-11 17:07:30,201 INFO L175 Difference]: Start difference. First operand has 250 places, 242 transitions, 516 flow. Second operand 6 states and 1126 transitions. [2024-10-11 17:07:30,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 239 transitions, 644 flow [2024-10-11 17:07:30,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 239 transitions, 614 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:30,209 INFO L231 Difference]: Finished difference. Result has 247 places, 239 transitions, 510 flow [2024-10-11 17:07:30,210 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=510, PETRI_PLACES=247, PETRI_TRANSITIONS=239} [2024-10-11 17:07:30,210 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -2 predicate places. [2024-10-11 17:07:30,211 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 239 transitions, 510 flow [2024-10-11 17:07:30,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:30,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:30,212 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:30,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:07:30,212 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:30,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1333061518, now seen corresponding path program 1 times [2024-10-11 17:07:30,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:30,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286259455] [2024-10-11 17:07:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:30,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286259455] [2024-10-11 17:07:30,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286259455] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:30,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:30,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:07:30,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162164839] [2024-10-11 17:07:30,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:30,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:07:30,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:30,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:07:30,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:07:30,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 246 [2024-10-11 17:07:30,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 239 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:30,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:30,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 246 [2024-10-11 17:07:30,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:30,355 INFO L124 PetriNetUnfolderBase]: 16/374 cut-off events. [2024-10-11 17:07:30,355 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:30,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 374 events. 16/374 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 774 event pairs, 16 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 291. Up to 47 conditions per place. [2024-10-11 17:07:30,357 INFO L140 encePairwiseOnDemand]: 243/246 looper letters, 14 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2024-10-11 17:07:30,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 238 transitions, 540 flow [2024-10-11 17:07:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:07:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:07:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions. [2024-10-11 17:07:30,362 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9539295392953929 [2024-10-11 17:07:30,362 INFO L175 Difference]: Start difference. First operand has 247 places, 239 transitions, 510 flow. Second operand 3 states and 704 transitions. [2024-10-11 17:07:30,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 238 transitions, 540 flow [2024-10-11 17:07:30,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 238 transitions, 510 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:30,367 INFO L231 Difference]: Finished difference. Result has 243 places, 238 transitions, 482 flow [2024-10-11 17:07:30,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=243, PETRI_TRANSITIONS=238} [2024-10-11 17:07:30,369 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -6 predicate places. [2024-10-11 17:07:30,369 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 238 transitions, 482 flow [2024-10-11 17:07:30,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:30,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:30,370 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:30,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:07:30,370 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:30,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:30,371 INFO L85 PathProgramCache]: Analyzing trace with hash 894526032, now seen corresponding path program 1 times [2024-10-11 17:07:30,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:30,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111593605] [2024-10-11 17:07:30,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:30,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:30,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:30,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111593605] [2024-10-11 17:07:30,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111593605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:30,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:30,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:07:30,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969886757] [2024-10-11 17:07:30,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:30,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:07:30,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:30,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:07:30,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:07:30,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 246 [2024-10-11 17:07:30,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 238 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:30,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:30,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 246 [2024-10-11 17:07:30,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:30,481 INFO L124 PetriNetUnfolderBase]: 24/451 cut-off events. [2024-10-11 17:07:30,482 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:07:30,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 451 events. 24/451 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1212 event pairs, 24 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 458. Up to 63 conditions per place. [2024-10-11 17:07:30,483 INFO L140 encePairwiseOnDemand]: 240/246 looper letters, 15 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2024-10-11 17:07:30,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 233 transitions, 504 flow [2024-10-11 17:07:30,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:07:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:07:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 696 transitions. [2024-10-11 17:07:30,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.943089430894309 [2024-10-11 17:07:30,485 INFO L175 Difference]: Start difference. First operand has 243 places, 238 transitions, 482 flow. Second operand 3 states and 696 transitions. [2024-10-11 17:07:30,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 233 transitions, 504 flow [2024-10-11 17:07:30,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 233 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:07:30,488 INFO L231 Difference]: Finished difference. Result has 238 places, 233 transitions, 470 flow [2024-10-11 17:07:30,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=238, PETRI_TRANSITIONS=233} [2024-10-11 17:07:30,489 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -11 predicate places. [2024-10-11 17:07:30,489 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 233 transitions, 470 flow [2024-10-11 17:07:30,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:30,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:30,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:30,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:07:30,490 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:30,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:30,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1980016780, now seen corresponding path program 1 times [2024-10-11 17:07:30,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:30,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160528186] [2024-10-11 17:07:30,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:30,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:30,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:30,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160528186] [2024-10-11 17:07:30,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160528186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:30,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:30,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:30,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787856528] [2024-10-11 17:07:30,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:30,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:30,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:30,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:30,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:31,100 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 246 [2024-10-11 17:07:31,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 233 transitions, 470 flow. Second operand has 6 states, 6 states have (on average 178.16666666666666) internal successors, (1069), 6 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:31,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:31,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 246 [2024-10-11 17:07:31,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:31,222 INFO L124 PetriNetUnfolderBase]: 288/1228 cut-off events. [2024-10-11 17:07:31,223 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:31,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1881 conditions, 1228 events. 288/1228 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6573 event pairs, 288 based on Foata normal form. 0/1167 useless extension candidates. Maximal degree in co-relation 1807. Up to 643 conditions per place. [2024-10-11 17:07:31,226 INFO L140 encePairwiseOnDemand]: 240/246 looper letters, 66 selfloop transitions, 5 changer transitions 0/232 dead transitions. [2024-10-11 17:07:31,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 232 transitions, 610 flow [2024-10-11 17:07:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1116 transitions. [2024-10-11 17:07:31,229 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7560975609756098 [2024-10-11 17:07:31,229 INFO L175 Difference]: Start difference. First operand has 238 places, 233 transitions, 470 flow. Second operand 6 states and 1116 transitions. [2024-10-11 17:07:31,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 232 transitions, 610 flow [2024-10-11 17:07:31,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 232 transitions, 609 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:07:31,232 INFO L231 Difference]: Finished difference. Result has 241 places, 232 transitions, 477 flow [2024-10-11 17:07:31,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=477, PETRI_PLACES=241, PETRI_TRANSITIONS=232} [2024-10-11 17:07:31,233 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -8 predicate places. [2024-10-11 17:07:31,233 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 232 transitions, 477 flow [2024-10-11 17:07:31,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.16666666666666) internal successors, (1069), 6 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:31,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:31,234 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:31,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:07:31,234 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:31,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:31,234 INFO L85 PathProgramCache]: Analyzing trace with hash -666701934, now seen corresponding path program 1 times [2024-10-11 17:07:31,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:31,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503221596] [2024-10-11 17:07:31,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:31,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:31,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:31,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503221596] [2024-10-11 17:07:31,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503221596] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:31,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:31,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:07:31,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724720117] [2024-10-11 17:07:31,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:31,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:07:31,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:31,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:07:31,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:07:31,292 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 246 [2024-10-11 17:07:31,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 232 transitions, 477 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:31,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:31,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 246 [2024-10-11 17:07:31,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:31,320 INFO L124 PetriNetUnfolderBase]: 6/295 cut-off events. [2024-10-11 17:07:31,321 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:31,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 295 events. 6/295 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 392 event pairs, 6 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 266. Up to 23 conditions per place. [2024-10-11 17:07:31,322 INFO L140 encePairwiseOnDemand]: 243/246 looper letters, 10 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2024-10-11 17:07:31,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 231 transitions, 499 flow [2024-10-11 17:07:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:07:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:07:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2024-10-11 17:07:31,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.964769647696477 [2024-10-11 17:07:31,323 INFO L175 Difference]: Start difference. First operand has 241 places, 232 transitions, 477 flow. Second operand 3 states and 712 transitions. [2024-10-11 17:07:31,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 231 transitions, 499 flow [2024-10-11 17:07:31,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 231 transitions, 489 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:31,326 INFO L231 Difference]: Finished difference. Result has 237 places, 231 transitions, 469 flow [2024-10-11 17:07:31,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=469, PETRI_PLACES=237, PETRI_TRANSITIONS=231} [2024-10-11 17:07:31,327 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -12 predicate places. [2024-10-11 17:07:31,327 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 231 transitions, 469 flow [2024-10-11 17:07:31,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:31,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:31,328 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:31,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:07:31,328 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:31,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:31,329 INFO L85 PathProgramCache]: Analyzing trace with hash 405266166, now seen corresponding path program 1 times [2024-10-11 17:07:31,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:31,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64262766] [2024-10-11 17:07:31,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:31,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:31,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:31,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64262766] [2024-10-11 17:07:31,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64262766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:31,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:31,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:07:31,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560877095] [2024-10-11 17:07:31,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:31,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:07:31,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:31,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:07:31,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:07:31,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 246 [2024-10-11 17:07:31,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 231 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:31,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:31,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 246 [2024-10-11 17:07:31,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:31,403 INFO L124 PetriNetUnfolderBase]: 4/292 cut-off events. [2024-10-11 17:07:31,403 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:07:31,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 292 events. 4/292 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 254 event pairs, 4 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 253. Up to 15 conditions per place. [2024-10-11 17:07:31,404 INFO L140 encePairwiseOnDemand]: 244/246 looper letters, 7 selfloop transitions, 1 changer transitions 0/230 dead transitions. [2024-10-11 17:07:31,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 230 transitions, 483 flow [2024-10-11 17:07:31,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:07:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:07:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions. [2024-10-11 17:07:31,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.975609756097561 [2024-10-11 17:07:31,406 INFO L175 Difference]: Start difference. First operand has 237 places, 231 transitions, 469 flow. Second operand 3 states and 720 transitions. [2024-10-11 17:07:31,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 230 transitions, 483 flow [2024-10-11 17:07:31,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 230 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:07:31,409 INFO L231 Difference]: Finished difference. Result has 236 places, 230 transitions, 465 flow [2024-10-11 17:07:31,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=236, PETRI_TRANSITIONS=230} [2024-10-11 17:07:31,409 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -13 predicate places. [2024-10-11 17:07:31,410 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 230 transitions, 465 flow [2024-10-11 17:07:31,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:31,410 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:31,410 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:31,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:07:31,411 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:31,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:31,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2032503093, now seen corresponding path program 1 times [2024-10-11 17:07:31,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:31,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656282036] [2024-10-11 17:07:31,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:31,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:31,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:31,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656282036] [2024-10-11 17:07:31,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656282036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:31,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:31,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:31,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609327854] [2024-10-11 17:07:31,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:31,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:31,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:31,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:31,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:32,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 246 [2024-10-11 17:07:32,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 230 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:32,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:32,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 246 [2024-10-11 17:07:32,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:32,523 INFO L124 PetriNetUnfolderBase]: 316/1536 cut-off events. [2024-10-11 17:07:32,523 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:32,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 1536 events. 316/1536 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9128 event pairs, 32 based on Foata normal form. 0/1445 useless extension candidates. Maximal degree in co-relation 2203. Up to 388 conditions per place. [2024-10-11 17:07:32,529 INFO L140 encePairwiseOnDemand]: 218/246 looper letters, 107 selfloop transitions, 70 changer transitions 0/342 dead transitions. [2024-10-11 17:07:32,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 342 transitions, 1043 flow [2024-10-11 17:07:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:32,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1265 transitions. [2024-10-11 17:07:32,531 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8570460704607046 [2024-10-11 17:07:32,531 INFO L175 Difference]: Start difference. First operand has 236 places, 230 transitions, 465 flow. Second operand 6 states and 1265 transitions. [2024-10-11 17:07:32,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 342 transitions, 1043 flow [2024-10-11 17:07:32,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 342 transitions, 1042 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:07:32,539 INFO L231 Difference]: Finished difference. Result has 244 places, 300 transitions, 942 flow [2024-10-11 17:07:32,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=244, PETRI_TRANSITIONS=300} [2024-10-11 17:07:32,542 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, -5 predicate places. [2024-10-11 17:07:32,542 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 300 transitions, 942 flow [2024-10-11 17:07:32,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:32,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:32,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:32,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:07:32,544 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:32,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:32,545 INFO L85 PathProgramCache]: Analyzing trace with hash -30028060, now seen corresponding path program 1 times [2024-10-11 17:07:32,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:32,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605545072] [2024-10-11 17:07:32,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:32,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:32,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605545072] [2024-10-11 17:07:32,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605545072] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:32,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:32,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8839451] [2024-10-11 17:07:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:32,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:32,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:33,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 246 [2024-10-11 17:07:33,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 300 transitions, 942 flow. Second operand has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:33,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:33,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 246 [2024-10-11 17:07:33,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:33,445 INFO L124 PetriNetUnfolderBase]: 588/2321 cut-off events. [2024-10-11 17:07:33,446 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2024-10-11 17:07:33,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4719 conditions, 2321 events. 588/2321 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15406 event pairs, 222 based on Foata normal form. 0/2210 useless extension candidates. Maximal degree in co-relation 4644. Up to 1090 conditions per place. [2024-10-11 17:07:33,460 INFO L140 encePairwiseOnDemand]: 231/246 looper letters, 114 selfloop transitions, 48 changer transitions 0/351 dead transitions. [2024-10-11 17:07:33,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 351 transitions, 1438 flow [2024-10-11 17:07:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1202 transitions. [2024-10-11 17:07:33,462 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8143631436314364 [2024-10-11 17:07:33,463 INFO L175 Difference]: Start difference. First operand has 244 places, 300 transitions, 942 flow. Second operand 6 states and 1202 transitions. [2024-10-11 17:07:33,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 351 transitions, 1438 flow [2024-10-11 17:07:33,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 351 transitions, 1438 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:07:33,470 INFO L231 Difference]: Finished difference. Result has 254 places, 343 transitions, 1330 flow [2024-10-11 17:07:33,471 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=942, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1330, PETRI_PLACES=254, PETRI_TRANSITIONS=343} [2024-10-11 17:07:33,471 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 5 predicate places. [2024-10-11 17:07:33,471 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 343 transitions, 1330 flow [2024-10-11 17:07:33,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:33,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:33,472 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:33,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:07:33,472 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:33,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:33,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1744883326, now seen corresponding path program 1 times [2024-10-11 17:07:33,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:33,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117159278] [2024-10-11 17:07:33,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:33,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:33,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117159278] [2024-10-11 17:07:33,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117159278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:33,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:33,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:33,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436819922] [2024-10-11 17:07:33,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:33,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:33,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:33,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:33,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:34,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 246 [2024-10-11 17:07:34,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 343 transitions, 1330 flow. Second operand has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:34,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:34,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 246 [2024-10-11 17:07:34,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:34,719 INFO L124 PetriNetUnfolderBase]: 712/2775 cut-off events. [2024-10-11 17:07:34,720 INFO L125 PetriNetUnfolderBase]: For 1556/1606 co-relation queries the response was YES. [2024-10-11 17:07:34,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6389 conditions, 2775 events. 712/2775 cut-off events. For 1556/1606 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 19459 event pairs, 57 based on Foata normal form. 0/2681 useless extension candidates. Maximal degree in co-relation 6307. Up to 927 conditions per place. [2024-10-11 17:07:34,732 INFO L140 encePairwiseOnDemand]: 223/246 looper letters, 135 selfloop transitions, 136 changer transitions 4/483 dead transitions. [2024-10-11 17:07:34,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 483 transitions, 2636 flow [2024-10-11 17:07:34,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1265 transitions. [2024-10-11 17:07:34,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8570460704607046 [2024-10-11 17:07:34,735 INFO L175 Difference]: Start difference. First operand has 254 places, 343 transitions, 1330 flow. Second operand 6 states and 1265 transitions. [2024-10-11 17:07:34,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 483 transitions, 2636 flow [2024-10-11 17:07:34,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 483 transitions, 2618 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-10-11 17:07:34,749 INFO L231 Difference]: Finished difference. Result has 264 places, 474 transitions, 2678 flow [2024-10-11 17:07:34,751 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=1312, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2678, PETRI_PLACES=264, PETRI_TRANSITIONS=474} [2024-10-11 17:07:34,751 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 15 predicate places. [2024-10-11 17:07:34,752 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 474 transitions, 2678 flow [2024-10-11 17:07:34,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:34,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:34,753 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:34,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:07:34,753 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:34,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1104565399, now seen corresponding path program 1 times [2024-10-11 17:07:34,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:34,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725235285] [2024-10-11 17:07:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:35,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:35,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725235285] [2024-10-11 17:07:35,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725235285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:35,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:35,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:35,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787631537] [2024-10-11 17:07:35,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:35,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:35,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:35,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:35,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:35,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 246 [2024-10-11 17:07:35,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 474 transitions, 2678 flow. Second operand has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:35,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:35,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 246 [2024-10-11 17:07:35,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:35,886 INFO L124 PetriNetUnfolderBase]: 968/3446 cut-off events. [2024-10-11 17:07:35,886 INFO L125 PetriNetUnfolderBase]: For 3836/3908 co-relation queries the response was YES. [2024-10-11 17:07:35,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9687 conditions, 3446 events. 968/3446 cut-off events. For 3836/3908 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 24877 event pairs, 207 based on Foata normal form. 0/3359 useless extension candidates. Maximal degree in co-relation 9602. Up to 1565 conditions per place. [2024-10-11 17:07:35,913 INFO L140 encePairwiseOnDemand]: 231/246 looper letters, 239 selfloop transitions, 62 changer transitions 0/531 dead transitions. [2024-10-11 17:07:35,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 531 transitions, 3622 flow [2024-10-11 17:07:35,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:35,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1202 transitions. [2024-10-11 17:07:35,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8143631436314364 [2024-10-11 17:07:35,916 INFO L175 Difference]: Start difference. First operand has 264 places, 474 transitions, 2678 flow. Second operand 6 states and 1202 transitions. [2024-10-11 17:07:35,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 531 transitions, 3622 flow [2024-10-11 17:07:35,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 531 transitions, 3586 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-10-11 17:07:35,942 INFO L231 Difference]: Finished difference. Result has 274 places, 523 transitions, 3268 flow [2024-10-11 17:07:35,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=2642, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3268, PETRI_PLACES=274, PETRI_TRANSITIONS=523} [2024-10-11 17:07:35,943 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 25 predicate places. [2024-10-11 17:07:35,943 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 523 transitions, 3268 flow [2024-10-11 17:07:35,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:35,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:35,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:35,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:07:35,945 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:35,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:35,945 INFO L85 PathProgramCache]: Analyzing trace with hash 628333578, now seen corresponding path program 1 times [2024-10-11 17:07:35,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:35,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209858853] [2024-10-11 17:07:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:35,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:36,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:36,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209858853] [2024-10-11 17:07:36,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209858853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:36,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:36,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:07:36,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937665386] [2024-10-11 17:07:36,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:36,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:07:36,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:36,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:07:36,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:07:37,524 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:07:37,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 523 transitions, 3268 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:37,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:37,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:07:37,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:38,976 INFO L124 PetriNetUnfolderBase]: 1482/4987 cut-off events. [2024-10-11 17:07:38,976 INFO L125 PetriNetUnfolderBase]: For 8591/8686 co-relation queries the response was YES. [2024-10-11 17:07:38,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15982 conditions, 4987 events. 1482/4987 cut-off events. For 8591/8686 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 40113 event pairs, 100 based on Foata normal form. 47/4952 useless extension candidates. Maximal degree in co-relation 15887. Up to 955 conditions per place. [2024-10-11 17:07:39,013 INFO L140 encePairwiseOnDemand]: 213/246 looper letters, 442 selfloop transitions, 192 changer transitions 1/834 dead transitions. [2024-10-11 17:07:39,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 834 transitions, 7074 flow [2024-10-11 17:07:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 17:07:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-11 17:07:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3428 transitions. [2024-10-11 17:07:39,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7334189131364998 [2024-10-11 17:07:39,020 INFO L175 Difference]: Start difference. First operand has 274 places, 523 transitions, 3268 flow. Second operand 19 states and 3428 transitions. [2024-10-11 17:07:39,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 834 transitions, 7074 flow [2024-10-11 17:07:39,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 834 transitions, 6892 flow, removed 91 selfloop flow, removed 0 redundant places. [2024-10-11 17:07:39,067 INFO L231 Difference]: Finished difference. Result has 301 places, 654 transitions, 5172 flow [2024-10-11 17:07:39,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=3156, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5172, PETRI_PLACES=301, PETRI_TRANSITIONS=654} [2024-10-11 17:07:39,068 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 52 predicate places. [2024-10-11 17:07:39,068 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 654 transitions, 5172 flow [2024-10-11 17:07:39,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:39,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:39,069 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:39,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 17:07:39,069 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:39,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:39,070 INFO L85 PathProgramCache]: Analyzing trace with hash 236384718, now seen corresponding path program 2 times [2024-10-11 17:07:39,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:39,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624334917] [2024-10-11 17:07:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:39,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:39,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:39,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624334917] [2024-10-11 17:07:39,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624334917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:39,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:39,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:07:39,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910399737] [2024-10-11 17:07:39,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:39,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:07:39,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:39,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:07:39,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:07:40,694 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:07:40,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 654 transitions, 5172 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:40,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:40,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:07:40,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:42,172 INFO L124 PetriNetUnfolderBase]: 2093/7076 cut-off events. [2024-10-11 17:07:42,172 INFO L125 PetriNetUnfolderBase]: For 17051/17260 co-relation queries the response was YES. [2024-10-11 17:07:42,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24243 conditions, 7076 events. 2093/7076 cut-off events. For 17051/17260 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 64383 event pairs, 177 based on Foata normal form. 62/7033 useless extension candidates. Maximal degree in co-relation 24135. Up to 1548 conditions per place. [2024-10-11 17:07:42,225 INFO L140 encePairwiseOnDemand]: 209/246 looper letters, 444 selfloop transitions, 258 changer transitions 4/905 dead transitions. [2024-10-11 17:07:42,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 905 transitions, 8672 flow [2024-10-11 17:07:42,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 17:07:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-11 17:07:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2631 transitions. [2024-10-11 17:07:42,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7639372822299652 [2024-10-11 17:07:42,233 INFO L175 Difference]: Start difference. First operand has 301 places, 654 transitions, 5172 flow. Second operand 14 states and 2631 transitions. [2024-10-11 17:07:42,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 905 transitions, 8672 flow [2024-10-11 17:07:42,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 905 transitions, 8609 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:42,442 INFO L231 Difference]: Finished difference. Result has 319 places, 733 transitions, 7289 flow [2024-10-11 17:07:42,443 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=5131, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7289, PETRI_PLACES=319, PETRI_TRANSITIONS=733} [2024-10-11 17:07:42,443 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 70 predicate places. [2024-10-11 17:07:42,443 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 733 transitions, 7289 flow [2024-10-11 17:07:42,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:42,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:42,445 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:42,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 17:07:42,445 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:42,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 707400812, now seen corresponding path program 3 times [2024-10-11 17:07:42,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:42,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813021181] [2024-10-11 17:07:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:43,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:43,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813021181] [2024-10-11 17:07:43,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813021181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:43,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:43,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:07:43,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362125666] [2024-10-11 17:07:43,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:43,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:07:43,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:43,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:07:43,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:07:43,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:07:43,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 733 transitions, 7289 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:43,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:43,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:07:43,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:45,718 INFO L124 PetriNetUnfolderBase]: 2160/7289 cut-off events. [2024-10-11 17:07:45,718 INFO L125 PetriNetUnfolderBase]: For 25985/26207 co-relation queries the response was YES. [2024-10-11 17:07:45,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27077 conditions, 7289 events. 2160/7289 cut-off events. For 25985/26207 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 66260 event pairs, 212 based on Foata normal form. 82/7257 useless extension candidates. Maximal degree in co-relation 26958. Up to 1395 conditions per place. [2024-10-11 17:07:45,772 INFO L140 encePairwiseOnDemand]: 221/246 looper letters, 538 selfloop transitions, 173 changer transitions 1/911 dead transitions. [2024-10-11 17:07:45,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 911 transitions, 10333 flow [2024-10-11 17:07:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 17:07:45,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-11 17:07:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3403 transitions. [2024-10-11 17:07:45,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7280701754385965 [2024-10-11 17:07:45,782 INFO L175 Difference]: Start difference. First operand has 319 places, 733 transitions, 7289 flow. Second operand 19 states and 3403 transitions. [2024-10-11 17:07:45,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 911 transitions, 10333 flow [2024-10-11 17:07:45,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 911 transitions, 10328 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 17:07:45,897 INFO L231 Difference]: Finished difference. Result has 343 places, 790 transitions, 8556 flow [2024-10-11 17:07:45,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=7284, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8556, PETRI_PLACES=343, PETRI_TRANSITIONS=790} [2024-10-11 17:07:45,898 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 94 predicate places. [2024-10-11 17:07:45,898 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 790 transitions, 8556 flow [2024-10-11 17:07:45,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:45,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:45,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:45,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 17:07:45,899 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:45,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:45,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1000190098, now seen corresponding path program 4 times [2024-10-11 17:07:45,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:45,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29006787] [2024-10-11 17:07:45,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:45,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:46,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:46,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29006787] [2024-10-11 17:07:46,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29006787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:46,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:46,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:07:46,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452955554] [2024-10-11 17:07:46,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:46,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:07:46,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:46,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:07:46,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:07:47,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:07:47,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 790 transitions, 8556 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:47,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:47,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:07:47,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:49,501 INFO L124 PetriNetUnfolderBase]: 2794/9486 cut-off events. [2024-10-11 17:07:49,501 INFO L125 PetriNetUnfolderBase]: For 40725/41042 co-relation queries the response was YES. [2024-10-11 17:07:49,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36473 conditions, 9486 events. 2794/9486 cut-off events. For 40725/41042 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 93241 event pairs, 197 based on Foata normal form. 109/9473 useless extension candidates. Maximal degree in co-relation 36344. Up to 1814 conditions per place. [2024-10-11 17:07:49,599 INFO L140 encePairwiseOnDemand]: 209/246 looper letters, 548 selfloop transitions, 295 changer transitions 4/1046 dead transitions. [2024-10-11 17:07:49,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 1046 transitions, 12984 flow [2024-10-11 17:07:49,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 17:07:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-11 17:07:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2804 transitions. [2024-10-11 17:07:49,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7598915989159891 [2024-10-11 17:07:49,603 INFO L175 Difference]: Start difference. First operand has 343 places, 790 transitions, 8556 flow. Second operand 15 states and 2804 transitions. [2024-10-11 17:07:49,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 1046 transitions, 12984 flow [2024-10-11 17:07:49,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 1046 transitions, 12853 flow, removed 33 selfloop flow, removed 9 redundant places. [2024-10-11 17:07:49,925 INFO L231 Difference]: Finished difference. Result has 359 places, 876 transitions, 11226 flow [2024-10-11 17:07:49,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=8460, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=790, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11226, PETRI_PLACES=359, PETRI_TRANSITIONS=876} [2024-10-11 17:07:49,927 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 110 predicate places. [2024-10-11 17:07:49,928 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 876 transitions, 11226 flow [2024-10-11 17:07:49,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:49,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:49,929 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:49,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 17:07:49,929 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:49,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:49,930 INFO L85 PathProgramCache]: Analyzing trace with hash 909852236, now seen corresponding path program 1 times [2024-10-11 17:07:49,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:49,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187759055] [2024-10-11 17:07:49,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:49,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:50,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:50,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187759055] [2024-10-11 17:07:50,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187759055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:50,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:50,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:07:50,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090026134] [2024-10-11 17:07:50,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:50,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:07:50,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:50,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:07:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:07:51,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 246 [2024-10-11 17:07:51,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 876 transitions, 11226 flow. Second operand has 13 states, 13 states have (on average 174.69230769230768) internal successors, (2271), 13 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:51,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:51,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 246 [2024-10-11 17:07:51,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:54,417 INFO L124 PetriNetUnfolderBase]: 3317/10482 cut-off events. [2024-10-11 17:07:54,418 INFO L125 PetriNetUnfolderBase]: For 55006/55319 co-relation queries the response was YES. [2024-10-11 17:07:54,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43385 conditions, 10482 events. 3317/10482 cut-off events. For 55006/55319 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 102006 event pairs, 495 based on Foata normal form. 60/10376 useless extension candidates. Maximal degree in co-relation 43245. Up to 2371 conditions per place. [2024-10-11 17:07:54,514 INFO L140 encePairwiseOnDemand]: 225/246 looper letters, 504 selfloop transitions, 173 changer transitions 0/1014 dead transitions. [2024-10-11 17:07:54,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 1014 transitions, 14214 flow [2024-10-11 17:07:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 17:07:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-11 17:07:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2574 transitions. [2024-10-11 17:07:54,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7473867595818815 [2024-10-11 17:07:54,520 INFO L175 Difference]: Start difference. First operand has 359 places, 876 transitions, 11226 flow. Second operand 14 states and 2574 transitions. [2024-10-11 17:07:54,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 1014 transitions, 14214 flow [2024-10-11 17:07:54,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 1014 transitions, 14175 flow, removed 17 selfloop flow, removed 3 redundant places. [2024-10-11 17:07:54,749 INFO L231 Difference]: Finished difference. Result has 374 places, 891 transitions, 12009 flow [2024-10-11 17:07:54,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=11195, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12009, PETRI_PLACES=374, PETRI_TRANSITIONS=891} [2024-10-11 17:07:54,750 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 125 predicate places. [2024-10-11 17:07:54,750 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 891 transitions, 12009 flow [2024-10-11 17:07:54,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 174.69230769230768) internal successors, (2271), 13 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:54,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:54,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:54,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 17:07:54,751 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:07:54,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:54,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1918056182, now seen corresponding path program 5 times [2024-10-11 17:07:54,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:54,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789350800] [2024-10-11 17:07:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:55,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:55,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789350800] [2024-10-11 17:07:55,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789350800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:55,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:55,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:07:55,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231053451] [2024-10-11 17:07:55,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:55,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:07:55,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:55,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:07:55,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:07:56,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:07:56,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 891 transitions, 12009 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:07:56,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:56,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:07:56,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:59,756 INFO L124 PetriNetUnfolderBase]: 3938/13398 cut-off events. [2024-10-11 17:07:59,756 INFO L125 PetriNetUnfolderBase]: For 80803/81447 co-relation queries the response was YES. [2024-10-11 17:07:59,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56373 conditions, 13398 events. 3938/13398 cut-off events. For 80803/81447 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 144743 event pairs, 353 based on Foata normal form. 142/13342 useless extension candidates. Maximal degree in co-relation 56227. Up to 2936 conditions per place. [2024-10-11 17:07:59,881 INFO L140 encePairwiseOnDemand]: 210/246 looper letters, 521 selfloop transitions, 449 changer transitions 3/1178 dead transitions. [2024-10-11 17:07:59,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 1178 transitions, 18004 flow [2024-10-11 17:07:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 17:07:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-11 17:07:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2772 transitions. [2024-10-11 17:07:59,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.751219512195122 [2024-10-11 17:07:59,884 INFO L175 Difference]: Start difference. First operand has 374 places, 891 transitions, 12009 flow. Second operand 15 states and 2772 transitions. [2024-10-11 17:07:59,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 1178 transitions, 18004 flow [2024-10-11 17:08:00,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 1178 transitions, 17809 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-11 17:08:00,286 INFO L231 Difference]: Finished difference. Result has 390 places, 1028 transitions, 16641 flow [2024-10-11 17:08:00,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=11899, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=891, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16641, PETRI_PLACES=390, PETRI_TRANSITIONS=1028} [2024-10-11 17:08:00,287 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 141 predicate places. [2024-10-11 17:08:00,287 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 1028 transitions, 16641 flow [2024-10-11 17:08:00,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:00,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:00,288 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:08:00,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 17:08:00,288 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:08:00,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:00,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1123631942, now seen corresponding path program 6 times [2024-10-11 17:08:00,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:00,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506975478] [2024-10-11 17:08:00,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:00,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:08:00,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506975478] [2024-10-11 17:08:00,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506975478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:00,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:00,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:08:00,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628965165] [2024-10-11 17:08:00,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:00,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:08:00,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:00,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:08:00,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:08:01,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:08:01,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 1028 transitions, 16641 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:01,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:01,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:08:01,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:05,307 INFO L124 PetriNetUnfolderBase]: 4275/14507 cut-off events. [2024-10-11 17:08:05,307 INFO L125 PetriNetUnfolderBase]: For 112852/113521 co-relation queries the response was YES. [2024-10-11 17:08:05,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63968 conditions, 14507 events. 4275/14507 cut-off events. For 112852/113521 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 159656 event pairs, 387 based on Foata normal form. 184/14484 useless extension candidates. Maximal degree in co-relation 63812. Up to 2833 conditions per place. [2024-10-11 17:08:05,484 INFO L140 encePairwiseOnDemand]: 213/246 looper letters, 520 selfloop transitions, 501 changer transitions 1/1227 dead transitions. [2024-10-11 17:08:05,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 1227 transitions, 21855 flow [2024-10-11 17:08:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 17:08:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-11 17:08:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3247 transitions. [2024-10-11 17:08:05,489 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7332881662149955 [2024-10-11 17:08:05,489 INFO L175 Difference]: Start difference. First operand has 390 places, 1028 transitions, 16641 flow. Second operand 18 states and 3247 transitions. [2024-10-11 17:08:05,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 1227 transitions, 21855 flow [2024-10-11 17:08:06,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 1227 transitions, 21768 flow, removed 41 selfloop flow, removed 3 redundant places. [2024-10-11 17:08:06,103 INFO L231 Difference]: Finished difference. Result has 412 places, 1100 transitions, 20355 flow [2024-10-11 17:08:06,104 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=16576, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=429, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=20355, PETRI_PLACES=412, PETRI_TRANSITIONS=1100} [2024-10-11 17:08:06,104 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 163 predicate places. [2024-10-11 17:08:06,104 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 1100 transitions, 20355 flow [2024-10-11 17:08:06,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:06,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:06,105 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:08:06,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 17:08:06,105 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:08:06,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1860405620, now seen corresponding path program 7 times [2024-10-11 17:08:06,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:06,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998681958] [2024-10-11 17:08:06,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:08:06,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:06,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998681958] [2024-10-11 17:08:06,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998681958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:06,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:06,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:08:06,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854850253] [2024-10-11 17:08:06,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:06,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:08:06,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:06,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:08:06,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:08:07,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:08:07,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 1100 transitions, 20355 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:07,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:07,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:08:07,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:12,698 INFO L124 PetriNetUnfolderBase]: 5581/18770 cut-off events. [2024-10-11 17:08:12,698 INFO L125 PetriNetUnfolderBase]: For 168410/169556 co-relation queries the response was YES. [2024-10-11 17:08:12,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84521 conditions, 18770 events. 5581/18770 cut-off events. For 168410/169556 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 219168 event pairs, 456 based on Foata normal form. 309/18813 useless extension candidates. Maximal degree in co-relation 84356. Up to 3902 conditions per place. [2024-10-11 17:08:12,945 INFO L140 encePairwiseOnDemand]: 209/246 looper letters, 575 selfloop transitions, 605 changer transitions 4/1389 dead transitions. [2024-10-11 17:08:12,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 1389 transitions, 27771 flow [2024-10-11 17:08:12,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 17:08:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-11 17:08:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3648 transitions. [2024-10-11 17:08:12,947 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7414634146341463 [2024-10-11 17:08:12,947 INFO L175 Difference]: Start difference. First operand has 412 places, 1100 transitions, 20355 flow. Second operand 20 states and 3648 transitions. [2024-10-11 17:08:12,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 1389 transitions, 27771 flow [2024-10-11 17:08:13,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 1389 transitions, 27696 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-10-11 17:08:13,691 INFO L231 Difference]: Finished difference. Result has 433 places, 1226 transitions, 26207 flow [2024-10-11 17:08:13,692 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=20286, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=26207, PETRI_PLACES=433, PETRI_TRANSITIONS=1226} [2024-10-11 17:08:13,692 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 184 predicate places. [2024-10-11 17:08:13,692 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 1226 transitions, 26207 flow [2024-10-11 17:08:13,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:13,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:13,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:08:13,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 17:08:13,694 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:08:13,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:13,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1647387956, now seen corresponding path program 8 times [2024-10-11 17:08:13,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:13,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053707045] [2024-10-11 17:08:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:13,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:08:14,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:14,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053707045] [2024-10-11 17:08:14,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053707045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:14,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:14,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:08:14,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241737721] [2024-10-11 17:08:14,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:14,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:08:14,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:08:14,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:08:15,634 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:08:15,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 1226 transitions, 26207 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:15,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:15,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:08:15,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:21,915 INFO L124 PetriNetUnfolderBase]: 5953/20108 cut-off events. [2024-10-11 17:08:21,915 INFO L125 PetriNetUnfolderBase]: For 226550/227865 co-relation queries the response was YES. [2024-10-11 17:08:22,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94830 conditions, 20108 events. 5953/20108 cut-off events. For 226550/227865 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 238376 event pairs, 412 based on Foata normal form. 469/20324 useless extension candidates. Maximal degree in co-relation 94654. Up to 3957 conditions per place. [2024-10-11 17:08:22,320 INFO L140 encePairwiseOnDemand]: 213/246 looper letters, 674 selfloop transitions, 610 changer transitions 1/1490 dead transitions. [2024-10-11 17:08:22,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 1490 transitions, 33553 flow [2024-10-11 17:08:22,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 17:08:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-11 17:08:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3429 transitions. [2024-10-11 17:08:22,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.733632862644416 [2024-10-11 17:08:22,324 INFO L175 Difference]: Start difference. First operand has 433 places, 1226 transitions, 26207 flow. Second operand 19 states and 3429 transitions. [2024-10-11 17:08:22,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 1490 transitions, 33553 flow [2024-10-11 17:08:23,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 1490 transitions, 33461 flow, removed 30 selfloop flow, removed 7 redundant places. [2024-10-11 17:08:23,582 INFO L231 Difference]: Finished difference. Result has 451 places, 1317 transitions, 30735 flow [2024-10-11 17:08:23,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=26119, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=521, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=30735, PETRI_PLACES=451, PETRI_TRANSITIONS=1317} [2024-10-11 17:08:23,584 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 202 predicate places. [2024-10-11 17:08:23,584 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 1317 transitions, 30735 flow [2024-10-11 17:08:23,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:23,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:23,588 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:08:23,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 17:08:23,588 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:08:23,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:23,589 INFO L85 PathProgramCache]: Analyzing trace with hash -124636592, now seen corresponding path program 9 times [2024-10-11 17:08:23,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:23,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999924708] [2024-10-11 17:08:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:23,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:08:24,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:24,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999924708] [2024-10-11 17:08:24,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999924708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:24,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:24,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:08:24,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975677040] [2024-10-11 17:08:24,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:24,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:08:24,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:24,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:08:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:08:25,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:08:25,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1317 transitions, 30735 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:25,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:25,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:08:25,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:32,400 INFO L124 PetriNetUnfolderBase]: 6559/22064 cut-off events. [2024-10-11 17:08:32,400 INFO L125 PetriNetUnfolderBase]: For 284427/286066 co-relation queries the response was YES. [2024-10-11 17:08:32,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107360 conditions, 22064 events. 6559/22064 cut-off events. For 284427/286066 co-relation queries the response was YES. Maximal size of possible extension queue 820. Compared 266745 event pairs, 491 based on Foata normal form. 529/22296 useless extension candidates. Maximal degree in co-relation 107177. Up to 4365 conditions per place. [2024-10-11 17:08:32,951 INFO L140 encePairwiseOnDemand]: 209/246 looper letters, 684 selfloop transitions, 692 changer transitions 4/1585 dead transitions. [2024-10-11 17:08:32,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 1585 transitions, 38536 flow [2024-10-11 17:08:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 17:08:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-11 17:08:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 4000 transitions. [2024-10-11 17:08:32,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7390983000739099 [2024-10-11 17:08:32,954 INFO L175 Difference]: Start difference. First operand has 451 places, 1317 transitions, 30735 flow. Second operand 22 states and 4000 transitions. [2024-10-11 17:08:32,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 1585 transitions, 38536 flow [2024-10-11 17:08:34,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 1585 transitions, 38351 flow, removed 57 selfloop flow, removed 9 redundant places. [2024-10-11 17:08:34,379 INFO L231 Difference]: Finished difference. Result has 472 places, 1409 transitions, 36404 flow [2024-10-11 17:08:34,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=30568, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=602, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=36404, PETRI_PLACES=472, PETRI_TRANSITIONS=1409} [2024-10-11 17:08:34,380 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 223 predicate places. [2024-10-11 17:08:34,380 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 1409 transitions, 36404 flow [2024-10-11 17:08:34,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:34,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:34,382 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:08:34,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 17:08:34,382 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:08:34,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:34,382 INFO L85 PathProgramCache]: Analyzing trace with hash 522152004, now seen corresponding path program 10 times [2024-10-11 17:08:34,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:34,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096660212] [2024-10-11 17:08:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:34,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:08:35,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:35,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096660212] [2024-10-11 17:08:35,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096660212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:35,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:35,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:08:35,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177111823] [2024-10-11 17:08:35,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:35,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:08:35,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:35,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:08:35,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:08:35,909 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:08:35,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 1409 transitions, 36404 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:35,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:35,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:08:35,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:43,933 INFO L124 PetriNetUnfolderBase]: 6882/23120 cut-off events. [2024-10-11 17:08:43,933 INFO L125 PetriNetUnfolderBase]: For 344464/345953 co-relation queries the response was YES. [2024-10-11 17:08:44,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116657 conditions, 23120 events. 6882/23120 cut-off events. For 344464/345953 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 282310 event pairs, 515 based on Foata normal form. 530/23351 useless extension candidates. Maximal degree in co-relation 116465. Up to 4592 conditions per place. [2024-10-11 17:08:44,336 INFO L140 encePairwiseOnDemand]: 213/246 looper letters, 701 selfloop transitions, 723 changer transitions 1/1630 dead transitions. [2024-10-11 17:08:44,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 1630 transitions, 43896 flow [2024-10-11 17:08:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 17:08:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-11 17:08:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3426 transitions. [2024-10-11 17:08:44,339 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7329910141206675 [2024-10-11 17:08:44,339 INFO L175 Difference]: Start difference. First operand has 472 places, 1409 transitions, 36404 flow. Second operand 19 states and 3426 transitions. [2024-10-11 17:08:44,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 1630 transitions, 43896 flow [2024-10-11 17:08:45,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 1630 transitions, 43732 flow, removed 53 selfloop flow, removed 11 redundant places. [2024-10-11 17:08:45,946 INFO L231 Difference]: Finished difference. Result has 486 places, 1486 transitions, 41816 flow [2024-10-11 17:08:45,947 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=36240, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=647, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=41816, PETRI_PLACES=486, PETRI_TRANSITIONS=1486} [2024-10-11 17:08:45,948 INFO L277 CegarLoopForPetriNet]: 249 programPoint places, 237 predicate places. [2024-10-11 17:08:45,948 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 1486 transitions, 41816 flow [2024-10-11 17:08:45,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:45,949 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:45,949 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:08:45,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 17:08:45,949 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-11 17:08:45,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:45,949 INFO L85 PathProgramCache]: Analyzing trace with hash -712917872, now seen corresponding path program 11 times [2024-10-11 17:08:45,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:45,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169394129] [2024-10-11 17:08:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:45,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:46,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:08:46,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:46,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169394129] [2024-10-11 17:08:46,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169394129] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:46,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:46,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 17:08:46,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249112520] [2024-10-11 17:08:46,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:46,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 17:08:46,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:46,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 17:08:46,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:08:47,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 246 [2024-10-11 17:08:47,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 1486 transitions, 41816 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:08:47,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:47,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 246 [2024-10-11 17:08:47,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand